Researcher basic information

• 博士(工学), 北海道大学, Mar. 2005

• https://researchmap.jp/read0052161?lang=en

• 10281792

• https://orcid.org/0000-0001-6761-913X

• D-6141-2012

• 200901029820571238

• 強震動
• 地盤震動
• 都市防災
• 地震工学
• Earthquake Eng.

• Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention), Structure engineering and earthquake engineering
• Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention), Disaster prevention engineering
• Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention), Building structures and materials

• Bachelor's degree program, School of Engineering
• Master's degree program, Graduate School of Engineering
• Doctoral (PhD) degree program, Graduate School of Engineering

Research activity information

• A Study on the Variation in Horizontal Surface/Borehole Spectral Ratio
  Masashi AOKI; Yu YAMAMOTO; Yasuo UCHIYAMA; Nobuo TAKAI
  Journal of Japan Association for Earthquake Engineering, 25, 1, 1_13, 1_24, Japan Association for Earthquake Engineering, 2025, [Peer-reviewed], [Last author]
  Japanese, Scientific journal
• Estimation of Vs30 and site classification of Bhaktapur district, Nepal using microtremor array measurement
  Roshan Prajapati; Salim Dhonju; Subeg Man Bijukchhen; Michiko Shigefuji; Nobuo Takai
  Earth, Planets and Space, 76, 1, Springer Science and Business Media LLC, 25 Oct. 2024, [Peer-reviewed], [Last author]
  English, Scientific journal, Abstract
  
  The severe damage observed in the Kathmandu Basin, Nepal, during past earthquakes necessitates a thorough study of the seismic behavior of the basin sediments. As the shear-wave velocity is directly related to the elastic shear modulus of the material, it is essential to determine it to incorporate the behavior of the soil in the design of the structure. Hence, we determined average shear-wave velocity in upper 30 m (Vs30) of soil in Bhaktapur district in the eastern part of the Kathmandu Basin at 73 observation points, employing two methods involving the use of non-invasive microtremor array measurements (MAMs). These MAMs are widely used for determining subsurface soil characteristics by analyzing the ambient vibrations of the ground. The first method involves inversion using a genetic algorithm, and the second is a method for obtaining Vs30 directly from the dispersion curve. We found that Vs30 in the southeastern part of the study area was higher than that in other parts. Conversely, Vs30 in the western region was lower. The calculated Vs30 values were used to classify the sites. The elevated eastern and southeastern areas with high Vs30 were categorized as dense soil or soft rock, whereas the areas with low Vs30 that had suffered significant damage during the 2015 Gorkha earthquake were classified as soft soil sites.
  
  Graphical Abstract, 32000102;27325335;32000114
• Examination of shallow and deep S-wave velocity structures from microtremor array measurements and receiver function analysis at strong-motion stations in Kathmandu basin, Nepal
  Michiko Shigefuji; Nobuo Takai; Subeg Man Bijukchhen; Chintan Timsina; Mukunda Bhattarai
  Earth, Planets and Space, 76, 1, Springer Science and Business Media LLC, 13 May 2024, [Peer-reviewed]
  Scientific journal, Abstract
  
  The Himalayan collision zone, where the Indian Plate subducts beneath the Eurasian Plate at a low angle, has caused many devastating earthquakes. The Kathmandu basin, situated in this region, is surrounded by mountains on all sides and is filled with distinct soft lake sediments with a highly undulating bedrock topography. The basin has been experiencing rapid urbanization, and the growing population in its major cities has increased the vulnerability to seismic risk during future earthquakes. Several strong-motion stations have recently been deployed in the Kathmandu basin. It is expected that the data captured by this strong-motion station array will further enhance our understanding of site amplification in sedimentary basins. Clear P-to-S converted waves have been observed in the strong-motion records. In this study, we investigate the medium boundary that generated these converted waves. First, we estimate the shallow velocity structures, which correspond to the topographic slopes or surface geology, beneath the strong-motion stations. We then apply a receiver function analysis to the strong-motion records. The receiver function indicates that the interface between the soft sediment and seismic bedrock serves as a boundary that generates converted waves. The obtained results can be used for tuning three-dimensional velocity structures.
  
  Graphical Abstract, 32000102;27325335
• Examination of one-dimensional S-wave velocity structure using strong-motion data for high-seismic-intensity area during the 2018 Hokkaido Eastern Iburi earthquake
  Nakagawa N; Takai N; Shigefuji M
  Earth, Planets and Space, 75, 1, 42, Mar. 2023, [Peer-reviewed]
  English, Scientific journal, 27325335;41889527
• Surface wave and microtremor array explorations in Kitami City, Hokkaido, for evaluating seasonal variation of site amplification in a cold region
  Nobuo Takai; Naofumi Nakagawa; Michiko Shigefuji; Shingo Nomoto; Tetsunori Kishikawa; Jun Horita; Shunzo Kawajiri; Seiji Tsuno; Hiroaki Yamanaka
  BUTSURI-TANSA(Geophysical Exploration), 75, 98, 104, Society of Exploration Geophysicists of Japan, Dec. 2022, [Peer-reviewed], [Lead author]
  English, Scientific journal, 27325335;27325399
• Strong ground motion data of the 2015 Gorkha Nepal earthquake sequence in the Kathmandu Valley
  Michiko Shigefuji; Nobuo Takai; Subeg Bijukchhen; Masayoshi Ichiyanagi; Sudhir Rajaure; Megh Raj Dhital; Lalu Prasad Paudel; Tsutomu Sasatani
  Scientific Data, 9, 1, Springer Science and Business Media {LLC}, 20 Aug. 2022, [Peer-reviewed]
  English, Scientific journal, Abstract
  
  Strong-motion records of earthquakes are used not only to evaluate the source rupture process, seismic wave propagation and strong ground motion characteristics, but also to provide valuable data for earthquake disaster mitigation. The Kathmandu Valley, Nepal, which is characterised by having soft sediments that have been deposited in an earthquake-prone zone, has experienced numerous earthquakes. We have operated four strong-motion stations in the Kathmandu Valley since 2011. These stations recorded the 2015 magnitude 7.8 Gorkha Nepal earthquake that occurred in the Himalayan continental collision zone. For several months after the mainshock, we deployed four additional temporary stations. Here, we describe the seismic data for 18 earthquakes over magnitude 5.0 collected by this array, including the 2015 magnitude 7.3 Dolakha earthquake of maximum aftershock and three large aftershocks of magnitude 6-class. These data are essential for validating the sedimentary structure of the basin and for evaluating the hazard and risk of future earthquakes in the Kathmandu Valley.
• Seasonal variation of site amplification characteristics estimated by weight-drop measurement and seismic observation in a cold region
  Seiji Tsuno; Hiroaki Yamanaka; Shunzo Kawajiri; Akinobu Ogasawara; Nobuo Takai; Naofumi Nakagawa; Michiko Shigefuji; Shingo Nomoto; Tetsuhiro Kishikawa; Jun Horita
  BUTSURI-TANSA(Geophysical Exploration), 75, 56, 63, Society of Exploration Geophysicists of Japan, Jul. 2022, [Peer-reviewed]
  English, Scientific journal, 27325335;27325399
• Electrical surveys in Kitami city, Hokkaido, for evaluating seasonal variation of site amplification in cold region
  Jun Horita; Shingo Nomoto; Tetsunori Kishikawa; Hiroaki Yamanaka; Shunzo Kawajiri; Seiji Tsuno; Nobuo Takai; Naofumi Nakagawa; Michiko Shigefuji
  BUTSURI-TANSA(Geophysical Exploration), 75, 89, 97, Society of Exploration Geophysicists of Japan, 2022
  Japanese, Scientific journal
• Examination of the S-wave velocity structures by the autocorrelation function using the strong motion records in the Ishikari Plain
  Nakagawa N; Takai N; Shigefuji M
  Proceedings of The 14th SEGJ International Symposium, DM-P-07, Oct. 2021, [Peer-reviewed]
  English, International conference proceedings, 27325399;27325335
• Seasonal variation on the results of surface wave analysis by multi-channel active source at the cold region in Japan
  Takai N; Tsukamoto A; Nakagawa N; Shigefuji M; Nomoto S; Horita J; Kishikawa T; Kawajiri S; Tsuno S; Yamanaka H
  Proceedings of The 14th SEGJ International Symposium, DM-10, Oct. 2021, [Peer-reviewed], [Lead author]
  English, International conference proceedings, 27325335;27325399
• Site amplification characteristics in the severely damaged area during the;Hokkaido eastern;Iburi earthquake with aftershock records
  Nakagawa N; Takai N; Shigefuji M; Tsutomu S
  Proceedings of the 6th IASPEI / IAEE International Symposium: Effects of Surface Geology on Seismic Motion, GS5-P39, Sep. 2021, [Peer-reviewed]
• Site effect at heavy damaged area during the 2018 Hokkaido eastern Iburi eathquake
  Takai N; Shigefuji M
  Proceedings of the 6th IASPEI / IAEE International Symposium: Effects of Surface Geology on Seismic Motion, GS1-I03, Sep. 2021, [Peer-reviewed], [Invited], [Lead author, Corresponding author]
  English, International conference proceedings, 27325399;27325335
• Microtremor Explorarions for Shallow S-Wave Velocity Profiles at Strong Motion Stations in Turkey
  Yamanaka, Hiroaki; Chimoto, Kosuke; Ozel, Oguz; Ozmen, Ozgur; Arslan, Safa; Yalcinkaya, Esref; Tun, Muammer; Pekkan, Emrah; Tsuno, Seiji; Kaplan, Onur; Miyake, Hiroe; Tanircan, Gulum; Takai, Nobuo; Ates, Erkan; Tekin, Kudret; Sezen, Ahmet; Ozturk, Taylan; Alkan, Mehmet; Nurlu, Murat; Citak, Seckin; Karagoz, Ozlem; Hatayama, Ken; Ohori, Michihiro; Mirzaoglu, Mete; Sipahi, Ozkan; Morita, Masashi; Sasano, Shiro; Fujita, Yasuhito
  Proceedings of the 17th world Conference on Earthquake Engineering, 1f-0013, Sep. 2020
  English
• Basement Structure in the Kathmandu Valley, Nepal using Receiver Function Analysis
  Shigefuji M; Takai N; Bijukchhen S; Timsina C; Bhattarai M; Singh S; Miyake H; Koketsu K
  Proceedings of the 17th world Conference on Earthquake Engineering, 1d-0048, Sep. 2020
  English, International conference proceedings, 32000102
• Ground motion prediction equation for the Kathmandu Valley, Nepal based on strong motion records during the 2015 Gorkha Nepal earthquake sequence
  Takuho Mori; Michiko Shigefuji; Subeg Bijukchhen; Tatsuo Kanno; Nobuo Takai
  Soil Dynamics and Earthquake Engineering, 135, 106208, 106208, Elsevier BV, Aug. 2020, [Peer-reviewed], [Last author]
  English, Scientific journal, 27325399;11475143
• Special issue “The 2018 Hokkaido Eastern Iburi Earthquake and Hidaka arc–arc collision system”
  Hiroaki Takahashi; Nobuo Takai; Masahiro Chigira; Guojie Meng; Saeko Kita; Takuji Yamada
  Earth, Planets and Space, 72, 1, Springer Science and Business Media LLC, May 2020, [Invited]
  English, Scientific journal, 27325336
• Cause of destructive strong ground motion within 1–2 s in Mukawa town during the 2018 Mw 6.6 Hokkaido eastern Iburi earthquake
  Nobuo Takai; Michiko Shigefuji; Jun Horita; Shingo Nomoto; Takahiro Maeda; Masayoshi Ichiyanagi; Hiroaki Takahashi; Hiroaki Yamanaka; Kosuke Chimoto; Seiji Tsuno; Masahiro Korenaga; Nobuyuki Yamada
  Earth, Planets and Space, 71, Jun. 2019, [Peer-reviewed], [Lead author]
  English, Scientific journal
• Estimation of the shallow velocity structure using surface wave method in the Kathmandu Valley, Nepal
  Michiko Shigefuji; Nobuo Takai; Subeg Bijukchhen; Chintan Timisina; Takuho Mori; Mukunda Bhattarai
  Proceedings of the 13th SEGJ International Symposium, Tokyo, Japan, 12–14 November 2018, Society of Exploration Geophysicists and Society of Exploration Geophysicists of Japan, 29 Apr. 2019
  International conference proceedings
• Strong-Motion Characteristics and Visual Damage Assessment Around Seismic Stations in Kathmandu after the 2015 Gorkha, Nepal, Earthquake
  Subeg Bijukchhen; Nobuo Takai; Michiko Shigefuji; Masayoshi Ichiyanagi; Tsutomu Sasatani
  Earthquake Spectra, 33, S219, S242, Dec. 2017, [Peer-reviewed]
  English, Scientific journal
• Characterizing the Kathmandu Valley sediment response through strong motion recordings of the 2015 Gorkha earthquake sequence
  S. Rajaure; D. Asimaki; E. M. Thompson; S. Hough; S. Martin; J. P. Ampuero; M. R. Dhital; A. Inbal; N. Takai; M. Shigefuji; S. Bijukchhen; M. Ichiyanagi; T. Sasatani; L. Paudel
  TECTONOPHYSICS, 714, 146, 157, Sep. 2017, [Peer-reviewed]
  English, Scientific journal
• Estimation of 1-D velocity models beneath strong-motion observation sites in the Kathmandu Valley using strong-motion records from moderate-sized earthquakes
  Subeg M. Bijukchhen; Nobuo Takai; Michiko Shigefuji; Masayoshi Ichiyanagi; Tsutomu Sasatani; Yokito Sugimura
  EARTH PLANETS AND SPACE, 69, 97, Jul. 2017, [Peer-reviewed]
  English, Scientific journal
• Characteristics of Strong Ground Motion in The Kathmandu Valley during the 2015 Gorkha
  Takai N; Shigefuji M; Bijukchhen S; Ichiyanagi M; Sasatani T
  Proceedings of 16th World Conference on Earthquake Engineering, Jan. 2017, [Peer-reviewed]
  English, International conference proceedings
• Features Of Long-Period Ground Motion On The Kathmandu Valley For The 2015 Gorkha Nepal Earthquake Sequence
  Shigefuji M; Takai N; Bijukchhen S; Ichiyanagi M; Sasatani T
  Proceedings of 16th World Conference on Earthquake Engineering, Jan. 2017, [Peer-reviewed]
  English, International conference proceedings
• Strong- Motion Observation And Damage Assessment In Rock And Soil Sites Of Kathmandu, Nepal After April 25, 2015 Gokha Earthquake
  Bijukchhen S; Takai N; Shigefuji M; Ichiyanagi M; Sasatani T
  Proceedings of 16th World Conference on Earthquake Engineering, Jan. 2017, [Peer-reviewed]
  English, International conference proceedings
• Strong ground motion in the Kathmandu Valley during the 2015 Gorkha, Nepal, earthquake 4. Seismology
  Nobuo Takai; Michiko Shigefuji; Sudhir Rajaure; Subeg Bijukchhen; Masayoshi Ichiyanagi; Megh Raj Dhital; Tsutomu Sasatani
  Earth, Planets and Space, 68, 1, 1, 8, 01 Dec. 2016, [Peer-reviewed]
  English, Scientific journal
• Aftershock activity of the 2015 Gorkha, Nepal, earthquake determined using the Kathmandu strong motion seismographic array the 2015 Gorkha, Nepal, Earthquake and Himalayan Studies
  Masayoshi Ichiyanagi; Nobuo Takai; Michiko Shigefuji; Subeg Bijukchhen; Tsutomu Sasatani; Sudhir Rajaure; Megh Raj Dhital; Hiroaki Takahashi
  Earth, Planets and Space, 68, 1, 1, 6, 01 Dec. 2016, [Peer-reviewed]
  English, Scientific journal
• Geophysical Exploration of Shallows-Wave Velocity Structure in the Vicinity of Tachikawa-Fault, Japan
  Seita K; Chimoto K; Saguchi K; Tsuno S; Sato H; Matsushima S; Shigefuji M; Takai N; Kanno T; Yamanaka H; Kawase H
  Proceedings of 5th IASPEI / IAEE International Symposium: Effects of Surface Geology on Seismic Motion, P210D, Aug. 2016, [Peer-reviewed]
  English, International conference proceedings
• Joint Research on Modeling of Heterogeneous Subsurface Velocity Structure for Evaluating Spatial Variation of Ground Motion Characteristics
  Higashi S; Yamanaka H; Matsushima S; Tsuno S; Takai N; Hayakawa T
  Proceedings of 5th IASPEI / IAEE International Symposium: Effects of Surface Geology on Seismic Motion, P208D, Aug. 2016, [Peer-reviewed]
  English, International conference proceedings
• Trial Construction of 1-Dvelocity Structure of the Kathmandu Valley Using the Medium and Large Earthquake Records
  Bijukchhen S; Takai N; Shigefuji M; Ichiyanagi M; Sasatani T
  Proceedings of 5th IASPEI / IAEE International Symposium: Effects of Surface Geology on Seismic Motion, Aug. 2016, [Peer-reviewed]
  English, International conference proceedings
• Features of Ground Accelerations in the Kathmandu Valley during the 2015 Gorkha Nepal Earthquake
  Takai N; Shigefuji M; Bijukchhen S; Ichiyanagi M; Sasatani T
  Proceedings of 5th IASPEI / IAEE International Symposium: Effects of Surface Geology on Seismic Motion, Aug. 2016, [Peer-reviewed]
  English, International conference proceedings
• Characteristics of Long-Period Ground Motion in the Kathmandu Valley from the Large Aftershocks of the 2015 Gorkha Nepal Earthquake.
  Shigefuji M; Takai N; Bijukchhen S; Ichiyanagi M; Sasatani T
  Proceedings of 5th IASPEI / IAEE International Symposium: Effects of Surface Geology on Seismic Motion, Aug. 2016, [Peer-reviewed]
  English, International conference proceedings
• Joint inversion of teleseismic, geodetic, and near-field waveform datasets for rupture process of the 2015 Gorkha, Nepal, earthquake
  Kobayashi Hiroaki; Koketsu Kazuki; Miyake Hiroe; Takai Nobuo; Shigefuji Michiko; Bhattarai Mukunda; Sapkota Soma Nath
  Earth, Planets and Space, 68, 1, 1, 8, 26 Apr. 2016, [Peer-reviewed]
  English, Scientific journal
• A comparative study of strong ground motion records from the 30 August 2013 south Tibet earthquake on the rock and soil sites of the Kathmandu valley
  Bijukchhen S M.; Takai N.; Shigefuji M.; Ichiyanagi M.; Sasatani T.; Rajaure S.; Dhital M R.
  Journal of Nepal Geological Society, 50, 1, 25, 30, 2016, [Peer-reviewed]
  English, Scientific journal
• Detailed Spatial Variation of Short-Period Earthquake Ground Motion in the vicinity of Tachikawa-Fault
  Tsuno S; Chimoto K; Saguchi K; Sato H; Matsushima S; Shigefuji M; Takai N; Kanno T; Yamanaka H; Kawase H
  Proceedings of the 12th SEGJ International Symposium, Nov. 2015, [Peer-reviewed]
  English, International conference proceedings
• Site conditions of strong motion observation sites inside the Kathmandu Valley, Nepal.
  Takai N; Shigefuji M; Bijukchhen S; Ichiyanagi M; Sawada K; Rajaure S; Dhital M; Sasatani T
  Proceedings of the 12th SEGJ International Symposium, Nov. 2015, [Peer-reviewed], [Invited]
  English, International conference proceedings
• Single-Site Ground Motion Prediction Equations (SS-GMPE) of Response Spectra:- Case Study for the Off-Sanriku Outer-Rise Earthquakes -
  TAKAI Nobuo; MAEDA Takahiro; SHIGEFUJI Michiko; SASATANI Tsutomu
  Journal of JAEE, 15, 1, 1_18, 1_37, JAPAN ASSOCIATION FOR EARTHQUAKE ENGINEERING, 2015, [Peer-reviewed]
  Japanese, We studied characteristics of strong ground motions from the Off-Sanriku outer-rise earthquakes; these earthquakes are activated after the 2011 Tohoku earthquake (<i>Mw</i> 9.0). First, we calculated pseudo velocity responses for five outer-rise earthquakes (<i>Mw</i> 6.0-7.6) and compared them with the attenuation formulae which were constructed for the intraslab earthquake. In spite of outer-rises data being over the distance range of these formulae, the extrapolated formulae generally explained the attenuation relations of these observed data. However, there were considerable residuals between the observed and predicted values. These residuals result from the site and source effects, because the previous attenuation formulae were constructed based on many sites strong motion records from many earthquakes occurring at various source areas. Second, in order to overcome the weakness of the previous attenuation equations, we proposed empirical ground motion prediction equations for a single site; we named these equations "Single-Site GMPE (SS-GMPE)". Our data for regression analysis were strong motion records at a single observation site from the five outer-rise earthquakes occurring at the narrow source area with the radius of about100km. We carried out a regression analysis with respect to <i>Mw</i> for each site assuming the previously estimated internal attenuation for intraslab earthquakes. The earthquake source, propagation path and site effects were well incorporated into these equations, and as a result, the residuals between the observed and predicted values were considerably decreased. Finally, we applied the SS-GMPE to earthquakes not used in the regression analysis and found the good correspondence of predicted and observed spectra.
• Short-Period Source Characteristics of a Great Earthquake Doublet in the Central Kurile Islands
  Kawabata W; Sasatani T; Takai N; Shigefuji M
  Proceedings of the 15th Word Conference of Earthquake Engineering, Sep. 2012, [Peer-reviewed]
  English, International conference proceedings
• Source characteristics of large outer rise earthquakes in the Pacific plate
  Sasatani T; Takai N; Shigefuji M; Kawabata W; Okazaki Y; Miyahara Y
  Proceedings of the 15th Word Conference of Earthquake Engineering, Sep. 2012, [Peer-reviewed]
  English, International conference proceedings
• A Preliminary Study of Strong Motion Records in the Sapporo Metropolitan Area during the 2010 Central Ishikari Earthquake
  Shigefuji M; Sasatani T; Takai N
  Proceedings of the 15th Word Conference of Earthquake Engineering, Sep. 2012, [Peer-reviewed]
  English, International conference proceedings
• Characteristics of strong ground motions from the Sanriku-oki outer-rise eathquakes
  Takai N; Sasatani T; Shigefuji M; Okazaki Y
  Proceedings of the 15th Word Conference of Earthquake Engineering, Sep. 2012, [Peer-reviewed]
  English, International conference proceedings
• Estimate of the path-averaged Q value for S-wave at low frequencies
  SHIGEFUJI Michiko; TAKAI Nobuo; SASATANI Tsutomu
  BUTSURI-TANSA(Geophysical Exploration), 65, 1, 53, 66, The Society of Exploration Geophysicists of Japan, Apr. 2012, [Peer-reviewed]
  Japanese, We propose a new method to estimate the path-averaged QS-value at low-frequencies (<0.5 Hz). In this method, we measure the decay rate of the observed S-wave spectral amplitudes against the travel times; the spectral amplitudes are corrected for effects of the S-wave radiation pattern and site amplification due to the deep sedimentary layers. The corrections are done by using the theoretical S-wave spectral amplitudes calculated assuming the perfect elastic body and the appropriate source and site amplification models; the result of this method depends on accuracy of the source and site amplification models. We examine validity of this method and effects of inappropriate source and site amplification models on an estimate of the QS-value. Finally, we apply this method to estimate the QS-value within the back-arc side mantle wedge beneath Kyushu islands. The estimated QS-value is about 50 in the frequency range of 0.2 to 0.3 Hz.
• 2010年12月2日石狩地方中部の地震(Mj4.6)の震源近傍域におけるアンケート震度調査
  重藤迪子; 高井伸雄; 高橋浩晃; 一柳昌義; 岡島秀樹; 澤田耕助; 宮原有史
  日本地震工学会大会梗概集, 8th, 260, 261, Nov. 2011
  Japanese
• Validation of the Deep Velocity Structure of the Tokachi Basin Based on 3-D Simulation of Long-Period Ground Motions
  Yadab P. Dhakal; Tsutomu Sasatani; Nobuo Takai
  PURE AND APPLIED GEOPHYSICS, 168, 10, 1599, 1620, Oct. 2011, [Peer-reviewed]
  English, Scientific journal
• Strong Ground Motions in the Sapporo Metropolitan Area during the 2010 Central Ishikari Earthquake
  Michiko SHIGEFUJI; Tsutomu SASATANI; Nobuo TAKAI
  Proceedings of 4th IASPEI / IAEE International Symposium: Effects of Surface Geology on Seismic Motion, 1, 9, Aug. 2011, [Peer-reviewed]
  International conference proceedings
• Spatial Distribution Features of Pseudo Velocity Response from the 2011 Off The Pacific Coast of Tohoku Earthquake (Mw9.1) And its Intraslab Aftershock (Mw7.1)
  Nobuo TAKAI; Tsutomu SASATANI
  Proceedings of 4th IASPEI / IAEE International Symposium: Effects of Surface Geology on Seismic Motion, 1, 9, Aug. 2011, [Peer-reviewed]
  English, International conference proceedings
• Spatial Variation of Site Effect in Hiroo Town, Hokkaido, Japan
  Takahiro MAEDA; Nobuo TAKAI; Tsutomu SASATANI
  4th IASPEI / IAEE International Symposium: Effects of Surface Geology on Strong Ground Motion, 1, 9, Aug. 2011, [Peer-reviewed]
  English, International conference proceedings
• 2005年三陸沖アウターライズ地震(Mw7.0)による強震動特性
  岡崎由佳; 笹谷努; 高井伸雄; DHAKAL Yadab P
  日本地震工学シンポジウム論文集(CD-ROM), 13th, 281, 288, Nov. 2010, [Peer-reviewed]
  Japanese
• 2007年千島列島中部巨大アウターライズ地震の震源特性
  川端渉; 笹谷努; 高井伸雄; 前田宜浩
  日本地震工学シンポジウム論文集(CD-ROM), 13th, 275, 280, Nov. 2010, [Peer-reviewed]
  Japanese
• 北海道の西方沖で発生する地震の強震動特性―最大加速度の距離減衰特性の検討―
  高井伸雄; 前田宜浩; 笹谷努
  日本地震工学シンポジウム論文集(CD-ROM), 13th, 209, 214, Nov. 2010, [Peer-reviewed]
  Japanese
• 2003年十勝沖地震の最大余震による特異な地震動特性
  前田宜浩; 高井伸雄; 笹谷努
  日本地震工学シンポジウム論文集(CD-ROM), 13th, 3580, 3586, Nov. 2010, [Peer-reviewed]
  Japanese
• 低周波数帯域における伝搬経路の平均Qs値推定の新しい手法
  重藤迪子; 笹谷努; 高井伸雄
  日本地震工学シンポジウム論文集(CD-ROM), 13th, ROMBUNNO.GO4-THU-PM-11, Nov. 2010, [Peer-reviewed]
  Japanese
• The evaluation of allocation of evacuation facilities and soft measures for the evacuation of Gangnam ward, Seoul city, assuming inland water flooding
  Yong Cheol Kim; Nobuo Takai
  AIJ Journal of Technology and Design, 16, 34, 1123, 1129, Oct. 2010, [Peer-reviewed]
  Japanese, Scientific journal
• Empirical analysis of path effects on prediction equations of pseudo-velocity response spectra in northern Japan
  Yadab P. Dhakal; Nobuo Takai; Tsutomu Sasatani
  EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 39, 4, 443, 461, Apr. 2010, [Peer-reviewed]
  English, Scientific journal
• Anomalous strong ground motion features of the largest aftershock of the 2003 Tokachi-oki earthquake
  前田 宜浩; 高井 伸雄; 笹谷 努
  Geophysical bulletin of Hokkaido University, 0, 73, 217, 227, 北海道大学大学院理学研究院自然史科学部門（地球物理学）, Mar. 2010
  Japanese, The largest aftershock（Mw 7.3）of the 2003 Tokachi-oki earthquake（Mw 8.3）generates larger peak ground acceleration（PGA）values than the main shock in the western side of the epicenters despite their magnitude difference. We study the features of strong ground motions from the largest aftershock in detail using PGA values. Spatial distribution maps of PGA ratio between the largest aftershock and adjacent earthquake shows obvious azimuth dependency compared with the other earthquake pairs occurring around Japan. Attenuation relationship of the largest aftershock shows a large azimuth-dependent ...
• A study on nonlinear site response appeared on strong ground motions during the 2003 Tokachi-oki Earthquake
  三輪田吾郎; 高井伸雄; 清水学; 笹谷努; 前田宜浩; 山本明夫
  Geophysical bulletin of Hokkaido University, 0, 73, 195, 205, 北海道大学大学院理学研究院自然史科学部門（地球物理学）, Mar. 2010
  Japanese, Nonlinear site response was observed at TKCH 07 in Toyokoro and HKD 109 in Urakawa during the mainshock（Mj 8.0）and the largest aftershock（Mj 7.1）of the 2003 Tokachi-oki Earthqua ke． At TKCH 07, peak ground acceleration（PGA）was smaller than PGA at the other strong motion station in Toyokoro. At HKD 109, the accelerogram shows a characteristic spiky waveform. Due to this spiky wave, large PGA was observed compared to the other stations in Urakawa, although PGA at HKD 109 was smaller than PGA at JMA Urakawa station during the main shock and smaller aftershocks.
• Tuning the deep velocity structure model by 1-D simulation of long-period S-waves
  Dhakal P; Sasatani T; Takai N
  Proceedings of the 9th SEGJ International Symposium -Imaging and Interpretation-, 0112, Oct. 2009, [Peer-reviewed]
  English, International conference proceedings
• Path Effects on Prediction Equations of Pseudo-Velocity Response Spectra in Northern Japan
  Dhakal P; Sasatani T; Takai N
  Proceedings of the 14th Word Conference of Earthquake Engineering, 0023, Oct. 2008, [Peer-reviewed]
  English, International conference proceedings
• Spatial Distribution Features of Velocity Responses of Mw=8.0 Earthquake - Case Study in the 2003 Tokachi-Oki Earthquake
  Takai N; Sasatani T
  Proceedings of the 14th Word Conference of Earthquake Engineering, No.1052, Oct. 2008, [Peer-reviewed]
  English, International conference proceedings
• Literature survey on damaging earthquakes in Urakawa Town, Hokkaido
  Kizuku Miyakoshi; Nobuo Takai; Hiroshi Kagami
  AIJ Journal of Technology and Design, 14, 27, 343, 346, Architectural Institute of Japan, Jun. 2008, [Peer-reviewed]
  Japanese, Scientific journal
• SPATIAL EVALUATION OF TSUNAMI REFUGE FACILITIES IN THE CENTRAL KUSHIRO CITY : Simulation of evacuation behavior from Tsunami utilizing multi agent system Part 2
  OHATA Daishiro; TAKAI Nobuo; KAGAMI Hiroshi
  Journal of architecture and planning, 0, 612, 87, 91, 社団法人日本建築学会, Feb. 2007, [Peer-reviewed]
  Japanese, In the previous study, a simulation model of evacuation from tsunami for the region where the refuge was easy to the upland was proposed utilizing Multi Agent System. On the other hand, numerous flat lowland cities exist in the coastline in Japan, moreover in those area the distribution of Tsunami refuge facilities is important. In this study, the model was applied to Kushiro City's urban central district as example of the coastal plain city. Several present problems in this district were indicated, through spatial evaluation of Tsunami refuge facilities.
• ESTIMATION MODEL FOR CASUALTIES IN WOODEN HOUSES DAMAGED BY EARTHQUAKE : Vulnerability function of wooden houses paying attention to life loss
  TABATA Naoki; OKADA Shigeyuki; TAKAI Nobuo
  Journal of Structural and Construction Engineering (Transactions of AIJ), 72, 611, 39, 46, Architectural Institute of Japan, 2007
  Japanese, We know the fact that almost all the people are killed by collapsed wooden houses in earthquake, but a precise estimation method for casualties hasn't existed in the field of earthquake engineering. In this paper we reconstruct the vulnerability function and damage index function for wooden building in order to estimate damaged building under the state that many people are killed. Combination of this function and Death Risk Function gives us the preventive information for individual and the precisely estimated casualties in wide areas for municipal prevention project.
• Long-period ground motion and deep subsurface structure in Hokkaido : A review
  SASATANI Tsutomu; MAEDA Takahiro; TAKAI Nobuo
  Geophysical exploration, 59, 4, 315, 326, 物理探査学会, Aug. 2006, [Peer-reviewed]
  Japanese
• 微動のカオス性に着目した次元解析による木造住宅の原位置的簡易耐震診断法の開発
  岡田成幸; 高井伸雄; 島田佳和
  日本地震工学シンポジウム論文集(CD-ROM), 12th, ROMBUNNO.0237, 2006, [Peer-reviewed]
  Japanese
• 2003年十勝沖地震(Mw8.3)による周期約20秒の長周期地震動
  前田宜浩; 高井伸雄; 笹谷努
  日本地震工学シンポジウム論文集(CD-ROM), 12th, 69, ROMBUNNO.0356, 190, 北海道大学大学院理学研究科地球惑星科学専攻（地球物理学）, 2006, [Peer-reviewed]
  Japanese, A lot of strong ground motion data from the 2003 Tokachi-oki earthquake (Mw8.3) were obtained by a dense strong motion network including K-NET, KiK-net and so on. We examine the long-period ground motions with a period of about 20 seconds based on these data. First, we estimate propagation directions and phase velocities of long-period Rayleigh waves at 64 seismic array sites in Hokkaido arranged from the dense network; the radius of the array is about 15 Km. The semblance analysis is applied to band-pass filtered, verticalcomponent waveforms at each array; the central frequencies are 0.03 and 0.05 Hz. The propagation directions of these long-period seismic waves basically radiate from the source region of the 2003 Tokachi-oki earthquake. However, the propagation directions seem to turn from the northwest to the west across the Hidaka Mountains, extending from the north to the south in the central Hokkaido. The phase velocities are 3 to 4 Km/sec; the phase velocity of the 0.03 Hz central frequency wave is slightly higher than that of the 0.05 Hz central frequency wave across one array. Next we examine ground velocity waveforms and spatial distribution of peak ground velocities (PGV) based on all data in the eastern Japan from the 2003 Tokachi-oki earthquake. Long-period waves with a period of about 20 seconds predominate on the ground velocity waveforms; at some sites shorter-period seismic waves are overlaid on the longperiod waves. The PGV distribution shows peculiar features; PGV in Hokkaido, the northern part of the epicenter, are larger than those in Tohoku, the south-western part of the epicenter, at the comparable distance. The PGV attenuation relation also shows peculiar features; the decay rate changes around a distance of about 200 Km and the large scatter with one order exists at a distance of about 300 Km. We interpret these features by comparing the observed waveforms with the synthetic ones calculated by using the CMT solution and 1-D velocity structure. The direct S-waves contribute PGV at distances less than about 200 Km, while the long-period surface waves (Rayleigh waves) contribute PGV at distances larger than about 200 Km. The source radiation pattern of long-period surface waves generates the large scatter of PGV at a distance of about 300 Km. This study concludes that the source radiation patterns of long-period S and surface waves mainly contribute the spatial distribution of PGV for large earthquakes such as the 2003 Tokachi-oki earthquake.
• 2003年十勝沖地震群における浦河地域での地盤の非線形応答
  三輪田吾郎; 高井伸雄; 清水学; 前田宜浩; 笹谷努
  日本地震工学シンポジウム論文集(CD-ROM), 12th, ROMBUNNO.0095, 2006, [Peer-reviewed]
  Japanese
• 2003年十勝沖地震による北海道内の強震動記録を用いた速度応答の空間分布
  高井伸雄; 前田宜浩; 笹谷努
  日本地震工学シンポジウム論文集(CD-ROM), 12th, ROMBUNNO.0334, 2006, [Peer-reviewed]
  Japanese
• マルチエージェントシミュレーションによる釧路市中心部の津波からの避難シミュレーション
  玉川奈都子; 大畑大志郎; 高井伸雄; 鏡味洋史
  日本地震工学シンポジウム論文集(CD-ROM), 12th, ROMBUNNO.0293, 2006, [Peer-reviewed]
  Japanese
• 北海道内のKiK-net観測点における地表地震計の設置方位の推定
  前田 宜浩; 笹谷 努; 高井 伸雄
  北海道大学地球物理学研究報告, 0, 68, 141, 152, 北海道大学大学院理学研究科地球惑星科学専攻（地球物理学）, Mar. 2005
  Japanese
• Azimuth estimation of KiK-net surface seismometers deployed in Hokkaido, Japan
  Maeda, T.; Sasatani, T.; Takai, N.; Shimizu, G.
  Journal of the Hokkaido University, Faculty of Science, Series VII: Geophysics, 68, 2005
  Scientific journal
• Casualty Estimation Model based on the Mechanism of Human Injury in Damaged Buildings
  Tabata N; Takai N; Okada S
  Proceedings of 13th World Conference on Earthquake Engineerin, 729, Aug. 2004, [Peer-reviewed]
  English, International conference proceedings
• Damage Index Functions of Wooden Buildings and Reinforced Buildings for Seismic Risk Management
  Okada S; Takai N
  Proceedings of the 13th Word Conference of Earthquake Engineering, 728, Aug. 2004, [Peer-reviewed]
  English, International conference proceedings
• New Attenuation Formula of Earthquake Ground Motions Passing through the Volcanic Front
  Takai N; Shimizu G; Okada S
  Proceedings of the 13th Word Conference of Earthquake Engineering, 731, Aug. 2004, [Peer-reviewed]
  English, International conference proceedings
• DAMAGE INDEX FUNCTION OF WOODEN BUILDINGS FOR SEISMIC RISK MANAGEMENT-Proposal of the methodology based on deterministic approach-
  岡田成幸; 高井伸雄
  日本建築学会構造系論文集, 69, 582, 31, 38, Architectural Institute of Japan, Aug. 2004, [Peer-reviewed]
  Japanese, This paper discussed Damage Index Function by which damage state of individual building can be estimated. and proposed the method for deducing the functions with structural parameter of the load-carrying capacity fbr buildings. We can apply the 3D nomograms of the obtained functions with three different types of parameters to utilize for various kinds of seismic risk management; for example, damage evaluation of individual building for an assumed earthquake, estimation of the standardized strength of buildings in regions not for generating damages. and stochastic estimation of return period on regional input motions that give rise to devastating damages to buildings.
• Improvement of Attenuation Formula of Earthquake Ground Motion in Consideration of the Volcanic Front.
  高井伸雄; 岡田成幸
  日本地震工学シンポジウム論文集, 11th, 605, 608, Nov. 2002, [Peer-reviewed]
  Japanese
• SEISMIC CAPACITY EVALUATION FOR WOODEN HOUSE-BY MEANS OF THE CHAOS THEORY ON MICROTREMORS.
  岡田成幸; 高井伸雄; 太田洋芳
  日本地震工学シンポジウム論文集, 11th, 2087, 2090, Nov. 2002, [Peer-reviewed]
  Japanese
• Classifications of damage patterns of reinforced concrete buildings for earthquake field investigation.
  高井伸雄; 岡田成幸
  日本建築学会構造系論文集, 549, 67, 74, Nov. 2001, [Peer-reviewed]
  Japanese, Scientific journal
• Building damage pattern survey in Hokudan-cho Toshima District in the 1995 Hyogo-ken Nanbu earthquake.
  高井伸雄; 岡田成幸; 高井博雄; 宮野道雄; 鈴木有
  日本建築学会技術報告集, 06, 10, 305, 308, Jun. 2000, [Peer-reviewed]
  Japanese, Scientific journal
• 発災後における地震災害情報の収集制御要因分析と情報収集迅速化のための指針
  岡田 成幸; 森 哉恵; 原田 健志; 高井 伸雄
  地域安全学会論文集, 2, 153, 160, 2000, [Peer-reviewed]
  Scientific journal
• BUILDING DAMAGE PATTERN SURVEY IN HOKUDAN-CHO TOSHIMA DISTRICT IN THE 1995 HYOGO-KEN NANBU EARTHQUAKE
  TAKAI Nobuo; OKADA Shigeyuki; TAKAI Hiroo; MIYANO Michio; SUZUKI Tamotsu
  AIJ Journal of Technology and Design, 6, 10, 305, 308, Architectural Institute of Japan, 2000
  Japanese, In order to quantitatively describe features on building structure damage, we classified about 650 dwellings into 23 damage patterns by using a photographic database of building damage in Hokudan-cho, Awaji Island due to the 1995 Hyogo-ken Nanbu earthquake. On the basis of the data, the relationship between building damage and human casualty was investigated, and the dangerous building damage pattern was specified. In addition, restoration situation passing through 3 or 4 years after the earthquake was the result that most of renewed dwellings had been adopted aseismic construction style.
• The Useful Method of Predicting Seismic Ground Severity for Subduction Zones
  Takai N; Umeda H; Okada S
  Proceedings of the 12th Word Conference of Earthquake Engineering, 760, Jan. 2000, [Peer-reviewed]
  English, International conference proceedings
• Classifications of Structural Types and Damage Patterns of Buildings for Earthquake Field Investigation
  Okada S; Takai N
  Proceedings of the 12th Word Conference of Earthquake Engineering, 705, Jan. 2000, [Peer-reviewed]
  English, International conference proceedings
• Classifications of structural types and damage patterns of buildings for earthquake field investigation.
  岡田成幸; 高井伸雄
  日本建築学会構造系論文集, 524, 65, 72, Oct. 1999, [Peer-reviewed]
  Japanese, Scientific journal
• Classifications of Structural Types and Damage Patterns of Buildings for Earthquake Field Investigation.
  岡田成幸; 高井伸雄
  日本地震工学シンポジウム論文集, 10th, 3235, 3240, Nov. 1998, [Peer-reviewed]
  Japanese
• The Method of the Predicting Seismic Intensity Distribution based on the Lithosphere Structure. High-precision Analysis of the Questionnaire Intensity Data in Hokkaido, Japan.
  高井伸雄; 梅田浩士; 岡田成幸
  日本地震工学シンポジウム論文集, 10th, 553, 558, Nov. 1998, [Peer-reviewed]
  Japanese
• Seismic Microzonation of Coastal Hillside City: a Case Study in Otaru, Hokkaido, Japan
  Takai N; Kagami H
  Proceedings of the 11th Word Conference of Earthquake Engineering, 1759, Jun. 1996, [Peer-reviewed]
  English, International conference proceedings
• Seismic Hazard Maps of Hokkaido, Japan, Based on the Data of Questionnaire Intensity Surveys.
  Kagami H; Okada S; Takai N
  Proceedings of the 11th Word Conference of Earthquake Engineering, 1773, Jun. 1996, [Peer-reviewed]
  English, International conference proceedings
• Seismic Hazard Maps of Hokkaido, Japan, Based on the Data of Questionnaire Intensity Surveys.
  鏡味洋史; 岡田成幸; 高井伸雄
  日本地震工学シンポジウム論文集, 9th, Pt 1, 139, 144, Dec. 1994, [Peer-reviewed]
  Japanese

• Reconnaissance Report on the 2023 Kahramanmaras Earthquakes in Turkiye
  日本建築学会, 23-33
  日本建築学会,丸善出版, Sep. 2025, 9784818920545, xi, 514p, [Contributor]
• 北極域の研究 : その現状と将来構想
  北極環境研究コンソーシアム長期構想編集委員会; 北極環境研究コンソーシアム, p.170-172
  海文堂出版, Mar. 2024, 9784303562304, x, 468p, Japanese
• 2018年北海道胆振東部地震災害調査報告 = Report on the damage investigation of the 2018 Hokkaido Eastern Iburi Earthquake
  日本建築学会, p.4-11
  日本建築学会,丸善出版 (発売), Mar. 2024, 9784818920538, 180p, Japanese, [Contributor]
• 地盤震動研究とその応用
  日本建築学会, p.163-167, p.394-395, p.401-402
  日本建築学会,丸善出版 (発売), Apr. 2023, 9784818906747, 423p, Japanese, [Contributor]
• 2015年ネパール・ゴルカ地震災害調査報告書
  高井 伸雄, p.4-19
  日本建築学会, Feb. 2017, 4818920495, [Contributor]
• 地盤震動と強震動予測 －基本を学ぶための重要項目－
  高井 伸雄, p.21-22, p.168-171, p.269-272, p.288-289, p.334
  日本建築学会, Mar. 2016, 4818906344, [Contributor]
• 東日本大震災合同調査報告 共通編1 地震･地震動
  高井 伸雄, p.100-102, 第3章強震記録2.7北海道の強震記録
  日本地震工学会, Mar. 2014, 4907517009, [Contributor]
• 最新の地盤震動研究を活かした強震波形の作成法
  高井伸雄, p.12, p.28-29
  日本建築学会, Mar. 2009, 4818905836, [Contributor]
• 地盤震動―現象と理論―
  高井伸雄, p.205-214
  日本建築学会, Jan. 2005, 4818905585, [Contributor]
• 2003 年十勝沖地震災害調査報告書
  高井伸雄, p.3-15
  日本建築学会北海道支部, May 2004, [Joint work]

• Study on the site amplification characteristics in the cold region by the geophysical explorations at Kitami city: Variation on the results of the surface wave analysis by a multi-channel active source
  高井伸雄; 塚本あかり; 中川尚郁; 岩崎桃子; 木内真莉菜; 堀純平; FONG Imogen; 野本真吾; 堀田淳; 岸川鉄啓; 重藤迪子; 川尻峻三; 津野靖士; 山中浩明
  物理探査学会学術講演会講演論文集, 2021
  2021 - 2021
• Study on the site amplification characteristics in the cold region by the geophysical explorations at Kitami city: Variation on the results of electrical survey and GPR survey
  岸川鉄啓; 野本真吾; 堀田淳; 山中浩明; 川尻峻三; 津野靖士; 高井伸雄; 重藤迪子
  物理探査学会学術講演会講演論文集, 2021
  2021 - 2021
• Study on the site amplification characteristics in the cold region by the geophysical explorations at Kitami city: Outline and results of initial analysis of seismic observation data
  津野靖士; 山中浩明; 高井伸雄; 川尻峻三; 中川尚郁; 野本真吾; 堀田淳; 重藤迪子
  物理探査学会学術講演会講演論文集, 2021
  2021 - 2021
• 2018年北海道胆振東部地震の臨時余震強震観測に基づく震央域の地盤増幅特性
  高井伸雄; 重藤迪子; 前田宜浩; 津野靖士
  日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM), 2019
  2019 - 2019
• 平成30年北海道胆振東部地震とその災害に関する総合調査
  高橋浩晃; 勝俣啓; 大園真子; 橋本武志; 青山裕; 酒井慎一; 松本聡; 岡田知己; 小菅正裕; 寺川寿子; 飯尾能久; 中尾茂; 上嶋誠; 柴田智郎; 大津直; 高井伸雄; 飯場正紀; 渡部要一; 菊地優; 岡崎太一郎; 白井和貴; 西村裕一; 石川達也; 高瀬裕也; 永井宏; 宮森保紀; 三宅弘恵; 松島信一; 浅野公之; 重藤迪子; 卜部厚志; 前田宜浩; 石澤友浩; 廣瀬亘; 小山内信智; 山田孝; 笠井美青; 檜垣大助; 風間基樹; 千木良雅弘; 渦岡良介; 竹林洋史; 木村誇; 石丸聡; 岡田成幸; 内田賢悦; 有村幹治; 植松武是; 多々納裕一; 梶谷義雄; 能島暢呂; 田村圭子; 中村洋光; 戸松誠
  自然災害科学総合シンポジウム要旨集, 2019
  2019 - 2019
• 東京湾西岸部の強震観測点での1次元浅部深部統合地盤モデルの構築
  山中浩明; 津野靖士; 地元孝輔; 三宅弘恵; 高井伸雄; 重藤迪子; 神野達夫; 佐藤浩章; 松島信一; 川瀬博; 山田伸之; 纐纈一起
  日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM), 2019
  2019 - 2019
• Theoretical Study on the Wide Width Velocity Pulses Generated by Shallow Low Angle Thrust
  TAKAI Nobuo
  学術講演会・建築デザイン発表会, 06 Sep. 2018, Japanese, Oral presentation
  [Domestic Conference]
• Strong Motion Observation Network in the Kathmandu Valley, Nepal
  高井 伸雄; 重藤 迪子; Bijukchhen Subeg; 纐纈 一起; 三宅 弘恵; Bhattarai Mukunda; Timisina Chintan; Singh Shova
  JpGU2018, 22 May 2018, English, Poster presentation
  [Domestic Conference]
• 特性化震源モデルに基づいた2015年ネパール・ゴルカ地震（Mw7.8)の強震動評価
  宮腰研; 田中礼司; 古村美津子; 松浦律子; 高井伸雄
  日本地震学会2017年秋季大会, 25 Oct. 2017, Japanese, Poster presentation
  [Domestic Conference]
• Identification of Nonlinear soil response in the Kathmandu Valley during the 2015 Gorkha, Nepal Earthquake (Mw7.8)
  TAKAI Nobuo
  日本地震学会2017年秋季大会, 25 Oct. 2017, English, Poster presentation
  [Domestic Conference]
• 2015 年ネパール・ゴルカ地震における長周期スリップパル ス地震動の検討
  高井 伸雄; 重藤 迪子; Subeg Bijukchhen; 笹谷努
  日本建築学会大会学術講演会・ 建築デザイン発表会, 31 Aug. 2017, Japanese, Oral presentation
  [Domestic Conference]
• Preparation of 1D velocity structure using records
  Subeg Bijukchhen; Nobuo Takai; Michiko Shigefuji; Masayoshi Ichiyanagi; Tsutomu Sasatani
  IAG-IASPEI, 31 Jul. 2017, English, Oral presentation
  [International presentation]
• Characteristics of Near Fault Strong Ground Motion in the Kathmandu Valley during the 2015 Gorkha Nepal earthquake
  Nobuo TAKAI; Michiko Shigefuji; Subeg Bijukchhen; Masayoshi Ichiyanagi; Tsutomu Sasatani
  JpGU-AGU Joint Meeting, 24 May 2017, English, Oral presentation
  [International presentation]
• A Study on Characteristics of Long-Period Ground Motion in the Kathmandu Valley during the 2015 Gorkha Nepal earthquake aftershocks
  重藤 迪子; 高井 伸雄; Bijukchhen Subeg; 一柳 昌義; 笹谷 努
  JpGU-AGU Joint Meeting, 24 May 2017, English, Poster presentation
  [International presentation]
• Trial Examination of Deep Underground Structure of the Kathmandu Valley Using the Aftershock Records of the 2015 Gorkha Nepal Earthquake
  高井 伸雄; Subeg Bijukchhen; 一柳 昌義; 笹谷 努; 重藤 迪子
  公益社団法人物理探査学会学術講演会講演論文集 = Proceedings of the SEGJ Conference, 2017, 物理探査学会, Japanese
  2017 - 2017
• Evaluation of site response characteristics in the western to middle parts of Ashigara Valley from temporary earthquake observation
  地元 孝輔; 津野 靖士; 是永 将宏; 山中 浩明; 三宅 弘恵; 高井 伸雄; 神野 達夫; 重藤 迪子
  公益社団法人物理探査学会学術講演会講演論文集 = Proceedings of the SEGJ Conference, 2017, 物理探査学会, Japanese
  2017 - 2017
• 2015年ネパール・ゴルカ地震の余震群におけるカトマンズ盆地で観測された強震記録
  重藤迪子; BIJUKCHHEN Subeg; 高井伸雄; 笹谷努
  日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM), 20 Jul. 2016, Japanese
• 2015年ネパール・ゴルカ地震の最大余震の後続波を用いたカトマンズ盆地周辺の深部S波速度構造の検討
  高井伸雄; BIJUKCHHEN Subeg; 重藤迪子; 笹谷努
  日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM), 20 Jul. 2016, Japanese
• カトマンズ盆地で観測された2015年ネパール・Gorkha地震群における長周期地震動
  重藤迪子; 高井伸雄; BIJUKCHHEN Subeg; 一柳昌義; 笹谷努
  日本地球惑星科学連合大会予稿集(Web), 2016, Japanese
• 千歳川堤防開削地点での統合物理探査
  茂木透; 重藤迪子; 高井伸雄; 岡崎健治; 倉橋稔幸; 大日向照彦; 堀田淳; 稲崎富士; 北高穂
  日本地球惑星科学連合大会予稿集(Web), 2016, Japanese
• 2015年ネパールGorkha地震の震源破壊過程
  三宅弘恵; 小林広明; 纐纈一起; 高井伸雄; 重藤迪子; BIJUKCHHEN Subeg
  地盤震動シンポジウム, Nov. 2015, Japanese, Public symposium
  [Invited], [Domestic Conference]
• 2015年ネパール・ゴルカ地震のカトマンズ盆地における強震動
  高井伸雄; 重藤迪子; BIJUKCHHEN Subeg; 一柳昌義; 笹谷努
  地盤震動シンポジウム, Nov. 2015, Japanese, Nominated symposium
  [Invited], [Domestic Conference]
• カトマンズ強震観測網で観測された2015年4月25日に発生したネパール・ゴルカ地震(M7.8)の余震活動
  一柳昌義; 高井伸雄; 重藤迪子; BIJUKCHHEN Subeg; 高橋浩晃; 笹谷努; RAJAURE Sudhir; DHITAL Megh Raj
  日本地震学会秋季大会講演予稿集, 05 Oct. 2015, Japanese
• 2015年ネパール・Gorkha地震によるカトマンズでの強震記録
  重藤迪子; 高井伸雄; BIJUKCHHEN Subeg; 一柳昌義; 笹谷努; RAJAURE Sudhir; DHITAL Megh Raj
  日本地震学会秋季大会講演予稿集, 05 Oct. 2015, Japanese
• 2015年ネパール・ゴルカ地震の強震動 : カトマンズ盆地における大学間国際共同観測 (特集 アジア地域の地震災害) -- (2015年ネパールで発生した地震災害)
  高井 伸雄; 重藤 迪子; Bijukchhen Subeg
  日本地震工学会誌 = Bulletin of JAEE, Oct. 2015, 日本地震工学会, Japanese
  Oct. 2015 - Oct. 2015
• 21057 Ground Motion and Seismic Source Spectra for Subduction Zone Earthquakes in Northeastern Japan Part 3: Evaluation of Short-Period Levels
  SHIMMURA Akihiro; TAKAI Nobuo; SHIGEFUJI Michiko; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 04 Sep. 2015, Japanese
• 21056 Ground Motion and Seismic Source Spectra for Subduction Zone Earthquakes in Northeastern Japan Part 2: Evaluation of the S-wave Spectral Ratios
  SHIGEFUJI Michiko; SHIMMURA Akihiro; TAKAI Nobuo; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 04 Sep. 2015, Japanese
• 21055 Ground Motion and Seismic Source Spectra for Subduction Zone Earthquakes in Northeastern Japan Part 1: Prediction Study by Means of SS-GMPE
  TAKAI Nobuo; SHIGEFUJI Michiko; MAEDA Takahiro; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 04 Sep. 2015, Japanese
• 21054 Peculiar Acceleration Source Spectra for the 2 February 2013 Central Tokachi Intraslab Earthquake (Mw 6.9)
  AOKI Masashi; SASATANI Tsutomu; TAKAI Nobuo; SHIGEFUJI Michiko
  Summaries of technical papers of annual meeting, 04 Sep. 2015, Japanese
• 21039 Trial Estimation of Shallow Underground Structure for Compacted Surface Soil with Surface Wave Method
  MUKAI Makoto; TAKAI Nobuo; SHIGEFUJI Michiko; AOKI Masashi
  Summaries of technical papers of annual meeting, 04 Sep. 2015, Japanese
• 21171 High Frequency Strong Ground Motion Characteristics Depending on the Earthquake Category
  SHIMMURA Akihiro; SHIGEFUJI Michiko; TAKAI Nobuo; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 12 Sep. 2014, Architectural Institute of Japan, Japanese
  12 Sep. 2014 - 12 Sep. 2014
• 21118 Ground Motion Prediction of off Sanriku Outerrise Earthquake (2013 Oct. 26) using SS-GMPE
  TAKAI Nobuo; MAEDA Takahiro; SHIGEFUJI Michiko; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 12 Sep. 2014, Japanese
• 21117 Short Period Seismic Waves during the 7 December 2012 Sanriku-oki Outer-Rise Earthquake (Mw7.2)
  SHIGEFUJI Michiko; TAKAI Nobuo; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 12 Sep. 2014, Japanese
• Geophysical surveys in levee excavation sites along Chitose River
  茂木 透; 重藤 迪子; 高井 伸雄
  公益社団法人物理探査学会学術講演会講演論文集 = Proceedings of the SEGJ Conference, 2014, 物理探査学会, Japanese
  2014 - 2014
• 21115 Seasonal Variation of Underground Structure Investigation Results in a Cold Region : (Part2) The Differences between Summer and Winter
  OKAJIMA Hideki; TAKAI Nobuo; AOKI Masashi; SHIGEFUJI Michiko
  Summaries of technical papers of annual meeting, 30 Aug. 2013, Architectural Institute of Japan, Japanese
  30 Aug. 2013 - 30 Aug. 2013
• 21114 Seasonal Variation of Underground Structure Investigation Result in a Cold Region : (Part 1) Result in Summer
  AOKI Masashi; TAKAI Nobuo; OKAJIMA Hideki; SHIGEFUJI Michiko
  Summaries of technical papers of annual meeting, 30 Aug. 2013, Architectural Institute of Japan, Japanese
  30 Aug. 2013 - 30 Aug. 2013
• 21120 Estimation of Strong Ground Motion at Kathmandu basin : Study on Surface Ground Conditions of Strong Motion Stations and Earthquake Record
  SAWADA Kosuke; OKAJIMA Hideki; TAKAI Nobuo; MIYAHARA Yuji; Dhakal Yadab; SHIGEFUJI Michiko; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 30 Aug. 2013, Architectural Institute of Japan, Japanese
  30 Aug. 2013 - 30 Aug. 2013
• 21084 Characteristics of Strong Ground Motion at Single Station with Considering Earthquake Types : The Case Study of KiK-net IWTH02 and TKCH08
  SHIMMURA Akihiro; TAKAI Nobuo; SHIGEHUJI Michiko
  Summaries of technical papers of annual meeting, 30 Aug. 2013, Architectural Institute of Japan, Japanese
  30 Aug. 2013 - 30 Aug. 2013
• 21072 Ground Motion Prediction of off Sanriku Outerrise earthquakes (2012 Dec. 07) using SS-GMPE
  TAKAI Nobuo; SHIGEFUJI Michiko; MAEDA Takahiro; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 30 Aug. 2013, Architectural Institute of Japan, Japanese
  30 Aug. 2013 - 30 Aug. 2013
• 21129 Excitation Efficiency of Diffracted SH Waves
  SHIGEFUJI Michiko; SASATANI Tsutomu; TAKAI Nobuo
  Summaries of technical papers of annual meeting, 30 Aug. 2013, Architectural Institute of Japan, Japanese
  30 Aug. 2013 - 30 Aug. 2013
• 21160 Re-examination of Source Modeling of 2011 Sanriku-oki Outer Rise Earthquake(Mw7.6) Using the Empirical Green's Function Method
  MIYAHARA Yuji; SASATANI Tsutomu; TAKAI Nobuo; SHIGEFUJI Michiko
  Summaries of technical papers of annual meeting, 30 Aug. 2013, Architectural Institute of Japan, Japanese
  30 Aug. 2013 - 30 Aug. 2013
• S-wave Velocity Structure Exploration of Soft Soil Sites in Cold Region for Broadband Ground Motion Prediction
  AOKI Masashi
  日本建築学会北海道支部研究報告集, 29 Jun. 2013, Architectural Institute of Japan, Japanese
  29 Jun. 2013 - 29 Jun. 2013
• Characteristics of Strong Ground Motion at High-Frequencies with Considering Earthquake Types : The Case Study at Single Station
  SHIMMURA Akihiro
  日本建築学会北海道支部研究報告集, 29 Jun. 2013, Architectural Institute of Japan, Japanese
  29 Jun. 2013 - 29 Jun. 2013
• Effects of Frozen Soft Surface Soil on Exploration of Underground Structure
  青木 雅嗣; 岡島 秀樹; 高井 伸雄
  公益社団法人物理探査学会学術講演会講演論文集 = Proceedings of the SEGJ Conference, 2013, 物理探査学会, Japanese
  2013 - 2013
• Estimation of the surficial high velocity layer with the surface wave method : Consideration of multi-mode Rayleigh waves using with group velocity
  高井 伸雄; 澤田 耕助; 重藤 迪子
  公益社団法人物理探査学会学術講演会講演論文集 = Proceedings of the SEGJ Conference, 2013, 物理探査学会, Japanese
  2013 - 2013
• Seasonal Variation of Underground Structure Investigation Results in a Cold Region
  OKAJIMA Hideki; TAKAI Nobuo; SHIGEFUJI Michiko; AOKI Masashi
  物理探査学会学術講演会講演論文集 = Proceeding of the SEGJ Conference, 29 Nov. 2012, 物理探査学会, Japanese
  29 Nov. 2012 - 29 Nov. 2012
• 2012年3月14日三陸沖アウターライズ地震による短周期地震動の励起特性と距離減衰特性
  高井伸雄; 前田宜浩; 笹谷努
  日本地震学会秋季大会, Oct. 2012
• 21044 Source Model of the Sanriku-oki Outer Rise Earthquake(Mw7.6) on 11 March, 2011
  MIYAHARA Yuji; SASATANI Tsutomu; TAKAI Nobuo; SHIGEFUJI Michiko
  Summaries of technical papers of annual meeting, 12 Sep. 2012, Architectural Institute of Japan, Japanese
  12 Sep. 2012 - 12 Sep. 2012
• 21086 Estimation of Strong Ground Motion at Kathmandu basin : Study on Surface Ground Conditions of Strong Motion Stations
  SAWADA Kosuke; TAKAI Nobuo; Yadab Dhakal; SHIGEFUJI Michiko; OKAJIMA Hideki; MIYAHARA Yuji; MAEDA Takahiro; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 12 Sep. 2012, Architectural Institute of Japan, Japanese
  12 Sep. 2012 - 12 Sep. 2012
• 21092 Prediction equations of seismic response spectrum for each station : Case study of off-Sanriku outer rise earthquakes
  TAKAI Nobuo; SHIGEFUJI Michiko; MORITA Yasuhiro; SASATANI Tsutomu
  Summaries of technical papers of annual meeting, 12 Sep. 2012, Architectural Institute of Japan, Japanese
  12 Sep. 2012 - 12 Sep. 2012
• 21067 Diffracted waves from a shallow earthquake in the northwestern part of the Ishikari plain
  SHIGEFUJI Michiko; SASATANI Tsutomu; TAKAI Nobuo
  Summaries of technical papers of annual meeting, 12 Sep. 2012, Architectural Institute of Japan, Japanese
  12 Sep. 2012 - 12 Sep. 2012
• 観測点毎に構築する応答スペクトルの予測式?三陸沖アウターライズ地震の場合?
  高井伸雄; 森田泰弘; 重藤迪子; 笹谷努
  AIJ, 20 Jul. 2012
• 石狩平野北西部で観測された浅い地震による回折波の検討
  重藤迪子; 笹谷努; 高井伸雄
  AIJ, 20 Jul. 2012
• 2011年3月11日三陸沖アウターライズ大地震(Mw7.6)の震源モデル
  宮原有史; 高井伸雄; 笹谷努; 重藤迪子
  AIJ, 20 Jul. 2012
• ネパール国カトマンズ盆地の強震動評価?強震観測点各点の表層地盤の検討?
  澤田耕助; 岡島秀樹; 高井伸雄; 宮原有史; YADAB Dhakal; 前田宜浩; 重藤迪子; 笹谷努
  AIJ, Jul. 2012
• 029 Study on Phase Velocity of Rayleigh waves near Strong Motion Stations installed in Kathmandu Basin
  SAWADA Kosuke; Dhakal Yadab; Dhital Megh Raj; Ghimire Subesh
  日本建築学会北海道支部研究報告集, 30 Jun. 2012, Architectural Institute of Japan, Japanese
  30 Jun. 2012 - 30 Jun. 2012
• 005 Source Model of the Sanriku-oki Outer Rise Earthquake(Mw7.6) of 11 March, 2011
  MIYAHARA Yuji
  日本建築学会北海道支部研究報告集, 30 Jun. 2012, Architectural Institute of Japan, Japanese
  30 Jun. 2012 - 30 Jun. 2012
• 強震動発生の理解から被害の軽減へ向けて
  高井伸雄
  日本集団災害医学会, 31 Dec. 2011
• 21056 A Study of Source and Site Effects on the Peak Ground Acceleration Attenuation Relationship as Inferred from Strong-motion : Data for Off West Hokkaido Earthquakes
  HAYASHI Akihiko; SASATANI Tsutom; TAKAI Nobuo; MAEDA Takahiro
  Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 20 Jul. 2011, Architectural Institute of Japan, Japanese
  20 Jul. 2011 - 20 Jul. 2011
• 21061 Spatial Distribution of Velocity Response during the 2011 off the Pacific coast of Tohoku Earthquake
  MORITA Yasuhiro; TAKAI Nobuo; SIGEFUJI Michiko
  Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 20 Jul. 2011, Architectural Institute of Japan, Japanese
  20 Jul. 2011 - 20 Jul. 2011
• 21055 Source Modeling of the 2005 Sanriku-oki Outer Rise Earthquake (Mw7.0)
  OKAZAKI Yuka; SASATANI Tsutomu; TAKAI Nobuo
  Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 20 Jul. 2011, Architectural Institute of Japan, Japanese
  20 Jul. 2011 - 20 Jul. 2011
• 21066 Estimation for Shallow Underground Structure in Urakawa Residential Area Damaged by the 2003 Tokachioki Earthquake
  OKAJIMA Hideki; TAKAI Nobuo; SHIGEFUJI Michiko; MORITA Yasuhiro
  Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 20 Jul. 2011, Architectural Institute of Japan, Japanese
  20 Jul. 2011 - 20 Jul. 2011
• 21156 Seismic Response in the Sapporo Area during the 2010 Ishikari Area Chubu Earthquake and the 2011 off the Pacific Coast of Tohoku Earthquake
  MIYAHARA Yuji; TAKAI Nobuo; SHIGEFUJI Michiko
  Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 20 Jul. 2011, Architectural Institute of Japan, Japanese
  20 Jul. 2011 - 20 Jul. 2011
• 21094 Comparison of Strong Motion Data between Three Kushiro-oki Earthquakes with Similar Hypocenters, Magnitudes and Mechanisms
  SAWADA Kosuke; TAKAI Nobuo
  Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 20 Jul. 2011, Architectural Institute of Japan, Japanese
  20 Jul. 2011 - 20 Jul. 2011
• 054 A Study on Excitation Characteristics of Long-Period Ground Motion in Sapporo Urban Area with the General-Purpose Earthquake Simulator
  MIYAHARA Yuji
  日本建築学会北海道支部研究発表会, 02 Jul. 2011
• 031 Comparison of Strong Motion Data between Repeating Earthquakes of Kushiro-oki with Similar Hypocenters, Magnitudes and Mechanisms
  SAWADA Kosuke
  日本建築学会北海道支部研究発表会, 02 Jul. 2011
• 021 Strong Ground Motions and Questionnaire Seismic Intensity Survey of December 2, 2010 Ishikari Depression Earthquake (Mj4.6)
  SHIGEFUJl Michiko
  日本建築学会北海道支部研究発表会, 02 Jul. 2011
• 016 Estimation of Shallow S-wave Structures in Urakawa Residential Area by Using the Microtremor Array Survey
  OKAJIMA Hideki
  日本建築学会北海道支部研究発表会, 02 Jul. 2011
• 21408 Validation of the NIED Deep Velocity Model of the Tokachi Basin based on 3-D Simulation of Long-Period Ground Motions from nearby Intermediate Depth Earthquakes
  Dhakal Yadab Prasad; Takai Nobuo; Sasatani Tsutomu
  AIJ, 20 Jul. 2010
• 21402 Nonlinear Soil Response during the 2007 Niigata-ken-chuetsu-oki Earthquake
  MORITA Yasuhiro; SASATANI Tutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2010
• 21390 Peak Ground Acceleration Attenuation Characteristics of Off West Hokkaido Earthquakes
  TAKAI Nobuo; MAEDA Takahiro; SASATANI Tsutomu
  AIJ, 20 Jul. 2010
• 21366 Seismic Response of the Furano Basin by Intermediate-depth Earthquakes
  SAITO Takahiro; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2010
• 21364 A Study on PGV Amplification at KiK-net Sites in Hokkaido
  FUKUI Tomoya; TAKAI Nobuo; SASATANI Tsutomu
  AIJ, 20 Jul. 2010
• 21359 Estimation of Qs-values at Low-Frequencies for the 2006 Oita-Ken-Seibu Earthquake
  SHIGEFUJI Michiko; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2010
• 21357 Long-period Seismic Response in the Sapporo Metropolitan Area during the 2003 Tokachi-oki Earthquake
  MIMURA Wataru; TAKAI Nobuo; SASATANI Tsutomu
  AIJ, 20 Jul. 2010
• 21346 Source Characteristics of the 2007 Great Outer-Rise Earthquake in the Central Kuril Islands
  KAWABATA Wataru; SASATANI Tsutomu; TAKAI Nobuo; MAEDA Takahiro
  AIJ, 20 Jul. 2010
• 046 Seismic Response of the Furano Basin by Intermediate-depth Earthquakes
  SAITO Takahiro
  日本建築学会北海道支部研究発表会, 03 Jul. 2010
• 045 A Study on PGV Amplification at KiK-net Sites in Hokkaido
  FUKUI Tomoya
  日本建築学会北海道支部研究発表会, 03 Jul. 2010
• 043 Nonlinear Soil Response during the 2007 Niigata-ken-chuetsu-oki Earthquake
  MORITA Yasuhiro
  日本建築学会北海道支部研究発表会, 03 Jul. 2010
• 042 Estimation of Qs-values at Low-Frequencies by the Discrete Wavenumber Method : Study on the 2006 Oita-Ken-Seibu Earthquake
  SHIGEFUJI Michiko
  日本建築学会北海道支部研究発表会, 03 Jul. 2010
• 041 Long-period Seismic Response in the Sapporo Metropolitan Area during the 2003 Tokachi-oki Earthquake
  MIMURA Wataru
  日本建築学会北海道支部研究発表会, 03 Jul. 2010
• Microtremor Array Survey in the Northwestern Part of the Ishikari Plain
  吉田邦一; 笹谷努; 前田宜浩; 高井伸雄; 三輪田吾郎; 大畑大志郎; PRASAD Dhakal Yadab; 鏡味洋史; FAT-HELBARY Raafat El-Shafei
  北海道大学地球物理学研究報告, 2010
  2010 - 2010
• 低周波数帯域における伝搬経路の平均Qs 値推定の新しい手法
  第13回日本地震工学シンポジウム, 2010
• 7218 A Study on Refuge Area Allocation for Evaluation of Regional Earthquake Disaster Mitigation Capacities : A Case Study of Sapporo City
  OJI Yosuke; TAKAI Nobuo
  AIJ, 20 Jul. 2009
• 7199 A Study on The Local Evacuation Plan that Assumed Heavy Rainfall : Focused on The Suggestion of Soft Measures by The Construction of The Evacuation Simulation
  KIM Yong Cheol; TAKAI Nobuo
  AIJ, 20 Jul. 2009
• 21091 Re-estimation of S-wave attenuation structure beneath northern Kyushu, Japan
  SHIGEFUJI Michiko; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2009
• 21090 Short-period levels of S-wave acceleration source spectra for large Kuril-islands intraplate earthquakes
  KAWABATA Wataru; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2009
• 21089 Strong Ground Motions from the 2005 Sanriku-oki Outer-rise Earthquake (Mw7.0)
  OKAZAKI Yuka; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2009
• 21088 A Study on Strong Ground Motions from the 2008 Iwate-ken-chubu Earthquake (Mj6.8)
  KOBAYASHI Masahiro; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2009
• 21018 Tuning the NIED Velocity Model in the Tokachi Basin by 1-D Simulation of Long-Period Ground Motions
  Dhakal Yadab Prasad; Sasatani Tsutomu; Takai Nobuo
  AIJ, 20 Jul. 2009
• 21014 Seismic Response of the Furano Basin Based on Observed Data
  SAITO Takahiro; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2009
• 21013 Deep underground structure for long period earthquake motion evaluation : Microtremor array measurement at KiK-net Memuro station
  TAKAI Nobuo; KAWBATA Wataru; SASATANI Tsutomu; SHIGEFUJI Michiko; Dhakal Yadab
  AIJ, 20 Jul. 2009
• 018 Seismic Response of the Furano Basin Based on Observed Data
  SAITO Takahiro
  日本建築学会北海道支部研究発表会, Jul. 2009
• 017 A Study on Strong Ground Motions from the 2008 Iwate-ken-chubu Earthquake (Mj6.8)
  KOBAYASHI Masahiro
  日本建築学会北海道支部研究発表会, Jul. 2009
• 016 Re-estimation of S-wave attenuation structure beneath northern Kyushu, Japan
  SHIGEFUJI Michiko
  日本建築学会北海道支部研究発表会, Jul. 2009
• 015 Strong Ground Motions from the 2005 Sanriku-oki Outer-rise Earthquake(Mw7.0)
  OKAZAKI Yuka
  日本建築学会北海道支部研究発表会, Jul. 2009
• 014 Short-period levels of S-wave acceleration source spectra for large Kuril-islands intraplate earthquakes
  KAWABATA Wataru
  日本建築学会北海道支部研究発表会, Jul. 2009
• Estimation of S-wave velocity structure at a K-NET, HKD020, site, where large PGA of 1127cm/s/s has been observed during an inland crustal earthquake with Mj6.1
  SASATANI Tsutomu; MAEDA Takahiro; TAKAI Nobuo; SHIGEFUJI Michiko; HORITA Jun; SEKI Katsuro; NOMOTO Shingo
  物理探査学会学術講演会講演論文集 = Proceeding of the SEGJ Conference, 21 Oct. 2008, Japanese
  21 Oct. 2008 - 21 Oct. 2008
• 5100 A study on the safety countermeasure in after-school care facilities : Questionnaire survey in Sapporo
  TAKAI Nobuo; Miyakoshi Kizuku
  AIJ, 20 Jul. 2008
• 21459 Check on the Deep Sedimentary Structure by using 1-D Simulation of Long-Period S-waves in Eastern Hokkaido
  Dhakal Yadab Prasad; Takai Nobuo; Sasatani Tsutomu
  AIJ, 20 Jul. 2008
• 21380 Estimation of S-wave attenuation structure beneath northern Kyushu, Japan : Analysis of strong motion data from the 2006 Oita-ken-seibu Earthquake
  SHIGEFUJI Michiko; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2008
• 21379 Excitation Characteristic of Short-period Seismic Waves during the 2007 Kuril Islands Earthquake Occurring in the Oceanic Plate
  KAWABATA Wataru; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 20 Jul. 2008
• 100 Questionnaire on Investigation of Damaged Buildings by Municipalities in Hokkaido
  MINAMI Shin-ichi
  日本建築学会北海道支部研究発表会, 28 Jun. 2008
• 089 Report of Research Committee on the Survey Method for Building Disasters : Present State of Primary Survey on Disasters by AIJ and Examination for its Improvement
  GOTO Yasuaki
  日本建築学会北海道支部研究発表会, 28 Jun. 2008
• 076 Workshop on Tsunami Disaster Mitigation for Town Planning in Hokkaido
  MINAMI Shin-ichi
  日本建築学会北海道支部研究発表会, 28 Jun. 2008
• 017 Excitation Characteristic of Short-period Seismic Waves during the 2007 Kuril Islands Earthquake Occurring in the Oceanic Plate
  KAWABATA Wataru
  日本建築学会北海道支部研究発表会, 28 Jun. 2008
• 016 Estimation of S-wave attenuation structure beneath northern Kyushu, Japan : Analysis of strong motion data from the 2006 Oita-ken-seibu Earthquake
  SHIGEFUJI Michiko; SASATANI Tsutomu; TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 28 Jun. 2008
• 福岡県西方沖地震から2年 : 低頻度地震に遭遇した地方中核都市の被災体験に学ぶ(パネルディスカッション,災害部門,2007年度日本建築学会大会(九州))
  高井 伸雄
  建築雑誌, 20 Feb. 2008, 一般社団法人日本建築学会, Japanese
  20 Feb. 2008 - 20 Feb. 2008
• 21178 Estimation of Velocity Response Spectra Considering Heterogeneous Attenuation Structure in Northern Japan
  Dhakal Yadab Prasad; Takai Nobuo; Sasatani Tsutomu
  Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 31 Jul. 2007, Architectural Institute of Japan, English
  31 Jul. 2007 - 31 Jul. 2007
• 21141 Literature Survey on Damaging Earthquakes in Urakawa District, Hokkaido
  Miyakoshi Kizuku; Kagami Hiroshi; Tkai Nobuo
  AIJ, 31 Jul. 2007
• 21120 Nonlinear site response at Urakawa and Toyokoro, Hokkaido, during the 2003 Tokachi-oki earthquake and its largest aftershock
  MIWADA Goro; TAKAI Nobuo; SASATANI Tsutomu
  AIJ, 31 Jul. 2007
• 21118 Identification of non-linear site response during the 2003 Tokachi-oki earthquake using the H/V spectral ratio method
  TAKAI Nobuo; MIWADA Goro; SASATANI Tsutomu
  AIJ, 31 Jul. 2007
• 7266 A Study on Assessment for Allocation of Evacuation Facilities Using Multi Agent Simulation : A Case of GANGNAM District, Seoul City
  KIM Yong Cheol; TAKAI Nobuo; KAGAMI Hiroshi
  AIJ, 31 Jul. 2007
• 089 Report on the Damage Investigation of the Saroma Tornado Disaster in 2006
  MINAMI Shin'ichi
  日本建築学会北海道支部研究発表会, 21 Jul. 2007
• 068 A Study on Assessment for Allocation of Evacuation Facilities a Scenario Flood Disaster Using Multi Agent Simulation. : A Case Study of GANGNAM District, Seoul City
  KIM Yong Che
  日本建築学会北海道支部研究発表会, 21 Jul. 2007
• 7235 Application of Multi Agent System to Simulation of Evacuation Behavior from Tsunami : Part3. Spatial Evaluation of Tsunami Refuge Facilities in the Central Kushiro City
  OHHATA Daishiro; TAKAI Nobuo; KAGAMI Hiroshi
  AIJ, 31 Jul. 2006
• 21206 Informational Function for Individual Seismic Prevention Based on the Relation among Input Severities, Load-carrying Capacity for Building and Human Casualties in House
  OKADA Shigeyuki; TAKAI Nobuo; TABATA Naoki
  AIJ, 31 Jul. 2006
• 21149 Accelerograms in Urakawa, Hokkaido, the 2003 Tokachi-oki earthquake
  MIWADA Goro; TAKAI Nobuo; SASATANI Tsutomu
  AIJ, 31 Jul. 2006
• 21008 Spatial Distribution Features of Velocity Response from the 2003 Tokachi-oki Earthquake
  TAKAI Nobuo; SASATANI Tsutomu
  AIJ, 31 Jul. 2006
• 042 Multi Agent Simulation of Evacuation from Tsunami in the Central Part of Kushiro City
  TAMAKAWA Natsuko
  日本建築学会北海道支部研究発表会, 01 Jul. 2006
• 017 Spatial Distribution Features of Velocity Response from the 2003 Tokachi-oki Earthquake
  TAKAI Nobuo; SASATANI Tsutomu; MAEDA Takahiro; MIWADA Goro; TAMURA Makoto
  日本建築学会北海道支部研究発表会, 01 Jul. 2006
• 016 Analysis of accelerograms from the 2003 Tokachi-oki earthquake : Case study in Urakawa, Hokkaido
  MIWADA Goro
  日本建築学会北海道支部研究発表会, 01 Jul. 2006
• 7388 Application of Multi Agent System to Simulation of Evacuation Behavior from Tsunami : A model of Kushiro, Hokkaido
  OHHATA Daishiro; KAGAMI Hiroshi; TAKAI Nobuo
  AIJ, 31 Jul. 2005
• 21133 Underground Structure and Strong Ground Motion Characteristics in the Down Stream of the Tokachi River : Part 1. Estimation of Deep S-Wave Velocity Structure from Microtremor Array Measurements
  TAKAI Nobuo; SHIMIZU Gaku; SASATANI Tsutomu
  AIJ, 31 Jul. 2005
• 21300 Development of rapid in-situ method for seismic capacity of building : Part 1. Dimension analysis on microtremors of wooden house
  OKADA Shigeyuki; TAKAI Nobuo; TABATA Naoki; SHIMADA Yoshikazu
  AIJ, 31 Jul. 2005
• 21134 Underground Structure and Strong Ground Motion Characteristics in the Down Stream of the Tokachi River : Part 2. Estimation of Shallow S-Wave Velocity Structure and Amplification Characteristics of Ground Motions
  SHIMIZU Gaku; TAKAI Nobuo; SASATANI Tsutomu
  AIJ, 31 Jul. 2005
• 037 Spatial Evaluation of Tsunami Refuge Facilities in Central Kushiro City Adopting Multi Agent Simulation
  OHHATA Daishiro
  日本建築学会北海道支部研究発表会, 16 Jul. 2005
• 014 Underground Structure and Strong Ground Motion Characteristics in the Down Stream of the Tokachi River
  SHIMIZU Gaku; TAKAI Nobuo; SASATANI Tsutomu; MAEDA Takahiro; SHINYA Masayuki; SAITO Seiji
  日本建築学会北海道支部研究発表会, 16 Jul. 2005
• 22064 Seismic capacity evaluation method for wooden houses based on the dimension analysis related to the complexity of microtremors : Part 1. Microtremors mesurements in Aichi Prefecture
  SHIMADA Yoshikazu; OKADA Shigeyuki; TAKAI Nobuo; TABATA Naoki; NACHI Noriyuki
  AIJ, 31 Jul. 2004
• 22065 Seismic Capacity Evaluation Method for Wooden Houses based on the Dimension Analysis related to the Complexity of Microtremors : Part 2. Dimension Analysis on Microtremors of Wooden Houses
  NACHI Noriyuki; OKADA Shigeyuki; TAKAI Nobuo; TABATA Naoki; SHIMADA Yoshikazu
  AIJ, 31 Jul. 2004
• 21376 Wide earthquake motion characteristic in the 2003 Tokachi-Oki Earthquake : Part 2 Attenuation of Intensity and Response Spectrum
  TAKAI Nobuo; SASATANI Tsutomu; SHIMIZU Gaku
  AIJ, 31 Jul. 2004
• 21375 Wide earthquake motion characteristic in the 2003 Tokachi-Oki Earthquake : Part 1 Distribution of Seismic Intensity and Peak Ground Acceleration in Hokkaido
  SHIMIZU Gaku; SASATANI Tsutomu; TAKAI Nobuo
  AIJ, 31 Jul. 2004
• 028 Aplication of Multi-Agent Simulation to Refuge Problem : Construction of an Evacuation Leading Model
  OHATA Daishiro
  日本建築学会北海道支部研究発表会, 03 Jul. 2004
• 026 Attenuation of JMA Instrumental Seismic Intensity and Response Spectrum during the 2003 Tokachi-oki Earthquake
  TAKAI Nobuo; SHIMIZU Gaku; SASATANI Tsutomu; MAEDA Takahiro; OGUZ Ozel; MIURA Hisashi
  日本建築学会北海道支部研究発表会, 03 Jul. 2004
• 025 Distribution of Seismic Intensity in Hokkaido area during the 2003 Tokachi-Oki Earthquake
  SHIMIZU Gaku; TAKAI Nobuo; OKADA Shigeyuki; IKAWA Takuya
  日本建築学会北海道支部研究発表会, 03 Jul. 2004
• 021 Seismic capacity evaluation method for wooden houses based on the dimension analysis related to the complexity of microtremors : Part 1. Microtremors mesurements in Aichi Prefecture
  SHIMADA Yoshiakzu; OKADA Shigeyuki; TAKAI Nobuo; TABATA Naoki; NACHI Noriyuki
  日本建築学会北海道支部研究発表会, 03 Jul. 2004
• 十勝平野南部における微動アレイ観測
  アムール・アガン 山中浩明; 元木健太郎; 駒場信彦; 上村康之; 大田原薫; 笹谷努; オウズ・オゼル; 三浦尚史; 高井伸雄; 清水学
  日本地震学会講演予稿集2004年秋季大会, 2004
  2004 - 2004
• 21023 Causal Relationship between Indoor Space loss of Wooden House and Death Probability : Structural damage scale and indoor space damage scale
  TABATA Naoki; OKADA Shigeyuki; TAKAI Nobuo
  AIJ, 30 Jul. 2003
• 21010 Probabilistic Damage Index Function
  TAKAI Nobuo; OKADA Shigeyuki; TANAKA Toshihumi
  AIJ, 30 Jul. 2003
• 036 Statistical Model Based on the Mechanism of Human Injury in House Damaged
  TABATA Naoki; OKADA Shigeyuki; TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 27 Jun. 2003
• 010 Analysis on Region and Age Characteristics of Wooden Houses for Constructing Damage Index Function
  TAKAI Nobuo; OKADA Shigeyuki
  日本建築学会北海道支部研究発表会, 27 Jun. 2003
• 009 Proposal of Damage Index Function for Buildings
  OKADA Shigeyuki; TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 27 Jun. 2003
• インフォメーションテクノロジーと地震防災(パネルディスカッション 災害部門,2002年度日本建築学会大会(北陸))
  高井 伸雄
  建築雑誌, 20 Dec. 2002, 一般社団法人日本建築学会, Japanese
  20 Dec. 2002 - 20 Dec. 2002
• 21026 Relation between indoor damage and human casualty : Questionaire Survey on the 2000 Tottoriken-seibu earthquake
  TABATA Naoki; OKADA Shigeyuki; TAKAI Nobuo
  AIJ, 02 Aug. 2002
• 21014 Damage Index Functions of Wooden Buildings and RC Buildings for Seismic Risk Management : Part 2 Construction of Functions
  TAKAI Nobuo; OKADA Shigeyuki
  AIJ, 02 Aug. 2002
• 21003 Damage to wooden buildings caused by the 1948 Fukui earthquake in terms of structured-interview with the investigators
  SASAYA Akihito; OKADA Shigeyuki; TAKAI Nobuo
  AIJ, 02 Aug. 2002
• Proceedings of the Session about Structure, Disaster Prevention, and Recycling, at July 1 2000
  JOH Osamu; TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 29 Jun. 2002
• Attenuation Formula of Earthquake Ground Motions in Consideration of the Volcanic Front
  TAKAI Nobuo; OKADA Shigeyuki
  日本建築学会北海道支部研究発表会, 29 Jun. 2002
• A handy and precise method of seismic capacity evaluation for wooden house
  OKADA Shigeyuki; TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 29 Jun. 2002
• 「微動を使った簡便にして精密な住宅耐震診断法」
  日本建築学会北海道支部研究発表会, 2002
• 「住家被害に伴う室内散乱と負傷の関係 2000年鳥取県西部地震におけるアンケート震度に基づく」
  AIJ, 2002
• 「木造住宅の簡易な耐震精密診断法の提案 −微動のカオス的解釈による−」
  第11回日本地震工学シンポジウム, 2002
• 「火山フロントを考慮した地震動の距離減衰式改善の試み」
  第１１回日本地震工学シンポジウム, 2002
• 21090 Compacted questionnaires into the efficient seismic intensity survey : Accuracy corroboration of the method and detailed seismic intensity of the Hokudan-cho in the Hyogoken-Nanbu earthquake
  Takai Nobuo; Okada Shigeyuki
  AIJ, 31 Jul. 2001
• 21058 Study on Microtremors of Wooden House aiming at Evaluation of Seismic Capacity using the Chaotic Motion Theory
  Okada Shigeyuki; Takai Nobuo; Ohta Hiroyoshi
  AIJ, 31 Jul. 2001
• 21052 Evaluation method for victims due to damage to low-rise wooden buildings by earthquakes
  TABATA Naoki; OKADA Shigeyuki; TAKAI Nobuo; MINATO Hiroko; KURODA Nobuhiro
  AIJ, 31 Jul. 2001
• 014 Precise estimation for Earthquake Victims of low Wooden Houses : Consideration from damage patterns of 1995 Hyogo-ken Nanbu earthquake
  TABATA Naoki
  日本建築学会北海道支部研究発表会, 30 Jun. 2001
• Deducing Death Rates by Damage Patterns of Wood Frame Buildings
  MINATO Hiroko; KURODA Nobuhiro; TAKAI Nobuo; OKADA Shigeyuki
  AIJ, 31 Jul. 2000
• Relation between Human Casaulties and Rainforced Concrete Building Damage Patterns in Case of 1999 Kocaeli Earthquake in Turkey
  OKADA Shigeyuki; TAKAI Nobuo
  AIJ, 31 Jul. 2000
• Damage Patterns of Reinforced Concrete Buildings for Earthquake Field investigation
  TAKAI Nobuo; OKADA Shigeyuki
  AIJ, 31 Jul. 2000
• 035 Application of Seismic Damage Pattern of Buildings to Casualty Mitigation Problems
  Okada Shigeyuki; Takai Nobuo
  日本建築学会北海道支部研究発表会, 01 Jul. 2000
• 034 Relationships between Human Casualty and Damage Patterns of Wooden Frame Buildings with Aerial Photograph of Hyogoken-Nanbu Earthquake
  KURODA Nobuhiro
  日本建築学会北海道支部研究発表会, 01 Jul. 2000
• 028 Microtremor and Strong Motion Array Measurements at 7 Story Reinforced Concrete Building
  TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 01 Jul. 2000
• 地域的特性を考慮した地震動予測(第27回地盤震動シンポジウム)(活動レポート)
  高井 伸雄
  建築雑誌, 20 Jan. 2000, 一般社団法人日本建築学会, Japanese
  20 Jan. 2000 - 20 Jan. 2000
• Simple Installation of Deep Borehole Seismometers
  UEYAMA H; HAYAKAWA F; TAKANO S; ANDO F; SASATANI T; YOSHIDA K; KAGAMI H; TAKAI N
  日本地震学会秋季大会講演予稿集, 09 Nov. 1999
• 71. A Case Study on How Occupants were perished in Collapsed Dwellings at The 1995 Hyogoken-Nanbu Earthquake : Hokudan-cho, Awajishima Island
  OHTA Yutaka; KOYAMA Maki; IMIYA Masahiro; OKADA Shigeyuki; TAKAI Nobuo
  地域安全学会, Nov. 1999
• The actual situation from damage to restoration ton Toshima Hokudan-cho in the 1995 Great Hanshin Awaji Earthquake. : Part2. An Investigation Using a Description with Series of Time and Space.
  TAKAI Hiroo; TAKAI Shigeyuki; OKADA Michio
  AIJ, 30 Jul. 1999
• The actual situation from damage to restoration on Toshima Hokudan-cho in the 1995 Great Hanshin Awaji Earthquake. : Part1. An Integration of Different Products of Earthquake Damage's Surveys into A Database.
  TAKAI Hiroo; TAKAI Shigeyuki; OKADA Michio; MIYANO Miciho; SUZUKI Tamotsu
  AIJ, 30 Jul. 1999
• Interpretation and Estimation Method of Seismic intensity Distribution considering Path Effect. : Application of Formulae in Hokkaido to Tohoku district.
  UMEDA Hiroshi; TAKAI Nobuo; OKADA Shigeyuki
  AIJ, 30 Jul. 1999
• Function for indoor Space Damage Degree of Building in Earthquake.
  TAKAI Novuo; MINATO Hiroko; OKADA Shigeyuki
  AIJ, 30 Jul. 1999
• Quantity Description of Seismic Damages for Buildings in Terms of a Couple of Vulnerability Functions. : Damage Rate Function and Damage Index Function.
  OKADA Shigeyuki; TAKAI Nobuo
  AIJ, 30 Jul. 1999
• 106 The actual situation from damage to restoration on Toshima Hokudan-cho in the 1995 Great Hanshin Awaji Earthquake : Full-scale survey and its description using series of time and space
  TAKAI HIROO
  日本建築学会北海道支部研究発表会, 24 Mar. 1999
• 024 Evaluation Method for Seismic Intensity Distribution with considering Path Effect : Part.2 Making Formurae in Hokkaido district
  UMEDA Hiroshi
  日本建築学会北海道支部研究発表会, 24 Mar. 1999
• 023 Evaluation Method for Seismic Intensity Distribution with considering Path Effect : Part.1 Concept
  TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 24 Mar. 1999
• Earthquake Field Investigation method using Damage Pattern of Buildings : Part2. Photographic Survey on Damage to Dwelling in Hokudan-cho in the 1995 Hyogoken-Nanbu Earthquake
  TAKAI Nobuo; OKADA Shigeyuki
  AIJ, 30 Jul. 1998
• Earthquake Field Investigation method using Damage Pattern of Buildings : Part1. Classfications of Structural Types and Damage Patterns of Buildings
  OKADA Shigeyuki; TAKAI Nobuo
  AIJ, 30 Jul. 1998
• Japanese Regional Characteristics of Vulnerability for Wooden Houses with Climatological Analysis
  TAKAI Hiroo; OKADA Shigeyuki
  AIJ, 30 Jul. 1998
• Simple and Accurate Method of Estimating for Seismic Intensity Distributions Considering Subduction
  UMEDA Hiroshi; TAKAI Nobuo; OKADA Shigeyuki
  AIJ, 30 Jul. 1998
• The Actual Situation and the Problem of Disaster Measures in Historic Districts
  UMEHARA Hirotomo; TAKAI Nobuo; Okada SHIGEYUKI
  AIJ, 30 Jul. 1998
• 101 The Actual Situation and the Problem of Disaster Measures in Historic Districts
  UMEHARA Hirotomo
  日本建築学会北海道支部研究発表会, 24 Mar. 1998
• 019 Building Damage and Human Casualty in Hokudan-cho in the 1995 Hyogoken-Nanbu Earthquake
  TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 24 Mar. 1998
• 017 Computer Aided Field Investigation of Earthquake Damage to Buildings
  UCHIYAMA Takuya
  日本建築学会北海道支部研究発表会, 24 Mar. 1998
• 1995年兵庫県南部地震における淡路島北淡町の建物被害と人的被害
  高井伸雄
  日本建築学会北海道支部研究報告集, 1998
  1998 - 1998
• 「地震被害調査のための建物分類と破壊パターン」
  第１０回日本地震工学シンポジウム, 1998
• 「リソスフェア構造を反映させた広域震度分布予測手法の開発−北海道地域におけるアンケート詳細震度データの解析−」
  第１０回日本地震工学シンポジウム, 1998
• 47. Photographic Survey on Damage to Dwelling in Hokudan-cho in the 1995 Hyogoken-Nanbu Earthquake : Part1 Building Damage and Building Collapse Pattern
  TAKAI Nobuo; OKADA Shigeyuki; MIYANO Michio; OKAZAKI Nobuhiro; SUZUKI Tamotsu
  地域安全学会, Nov. 1997
• 48. Photographic Survey on Damage to Dwelling in Hokudan-cho in the 1995 Hyogoken-Nanbu Earthquake : Part 2 Relation between Building Collapse Pattern and human Casualty
  OKADA Shigeyuki; TAKAI Nobuo; MIYANO Michio; OKAZAKI Nobuhiro; SUZUKI Tamotsu
  地域安全学会, Nov. 1997
• URBANIZATION AND EARTHQUAKE DISASTERS IN KUSIRO CITY
  KUDO Tomohiro; TAKAI Nobuo; KAGAMI Hirosi
  AIJ, 30 Jul. 1997
• DESCRIPTION FOR INDOOR SPACE DAMAGE DEGREE OF BUILDING IN EARTHQUAKE : STUDY ON TIMBER FRAME BUILDINGS DAMAGED IN 1995 HYOGOKEN-NANBU EARTHQUAKE
  TAKAI Nobuo; OKADA Shigeyuki
  AIJ, 30 Jul. 1997
• Field Investigation System of Earthquake Damage to Buildings : Part1. Understanding of Building Damage and Approach Systematic Investigation
  UCHIYAMA Takuya; OKADA Shigeyuki; TAKAI Nobuo
  AIJ, 30 Jul. 1997
• Seismic Zonation in The Sapporo Urban Region : (2)Long-period microtremor observation on the edg of the plain
  TAKAI Hiroo; TAKAI Nobuo; KAGAMI Hiroshi
  AIJ, 30 Jul. 1997
• Seismic Zonation in The Sapporo Urban Region : (1)Site Effects on Strong Motion Records
  KAGAMI Hiroshi; TAKAI Hiroo; TAKAI Nobuo
  AIJ, 30 Jul. 1997
• 064 Basic Investigation of Seismic Diagnosis Method on Historical Masonry : Historical Masonry Preservation Committee's Report
  MINAMIDE Kouichi
  日本建築学会北海道支部研究発表会, 24 Mar. 1997
• 062 DESCRIPTION FOR INDOOR SPACE DAMAGE DEGREE OF BUILDING IN EARTHQUAKE : 3. CASE STUDY ON TIMBER FRAME BUILDINGS DAMAGED IN 1995 HYOGOKEN-NANBU EARTHQUAKE
  TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 24 Mar. 1997
• 060 Urbanization and earthquake disasters in eastern Hokkaido : 2:Study in Nemuro district
  KAGAMI HIROSHI
  日本建築学会北海道支部研究発表会, 24 Mar. 1997
• 059 Urbanization and earthquake disasters in eastern Hokkaido : 1:Study in Kushiro district
  KUDOH TOMOHIRO
  日本建築学会北海道支部研究発表会, 24 Mar. 1997
• 032 MICROTREMOR MEASUREMENTS ON THE AREA WITH INCLINED BEDROCK : Case Study On Teine-Ishikari Line
  TAKAI HIROO
  日本建築学会北海道支部研究発表会, 24 Mar. 1997
• URBANIZATION AND NATURAL DISASTERS IN KUSHIRO CITY
  KUDO Tomohiro; TAKAI Nobuo; KAGAMI Hirosi
  AIJ, 30 Jul. 1996
• SEISMIC HAZARD MAPS OF HOKKAIDO, BASED ON THE DATA OF QUESTIONNAIRE INTENSITY SURVEYS
  TAKAI Nobuo; OKADA Shigeyuki; KAGAMI Hiroshi
  AIJ, 30 Jul. 1996
• 058 THE FEATURE OF NATURAL DISASTERS IN URBANIZATION : A CASE STUDY IN KUSHIRO
  KUDO Tomohiro
  日本建築学会北海道支部研究発表会, 23 Mar. 1996
• 047 Detailed intensity distribution and damage of building in Kushiro, Nemuro and South Kuril districts due to the 1994 Hokkaido Toho-oki earthquake
  TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 23 Mar. 1996
• Seismic Intensity Questionnaire Surveys on the 1994 Hokkaido-Toho-Oki Earthquake and the 1994 Sanriku-Haruka-Oki Earthquake
  KAGAMI Hiroshi; TAKAI Nobuo
  AIJ, 20 Jul. 1995
• Study on Seismic Zonation of Otaru : Review of existing data and problems to be solved
  TAKAI Nobuo; KAGAMI Hiroshi
  AIJ, 20 Jul. 1995
• 063 Study on Seismic Zonation of Otaru
  TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 18 Mar. 1995
• 005 Reconnaissance Report of the 1993 Off Kushiro Earthquake : Human Casualty and Emergency Response of the Hospitals
  MURAKAMI Hitomi
  日本建築学会北海道支部研究報告書, 1995, Architectural Institute of Japan, Japanese
  1995 - 1995
• 小樽市におけるサイスミックマイクロゾーネイションに関する研究
  高井伸雄
  日本建築学会北海道支部研究報告集, 1995
  1995 - 1995
• Seismic Intensity Questionnaire Survey on the 1993 Hokkaido-nanseioki Earthquake
  TAKAI Nobuo
  AIJ, 25 Jul. 1994
• 039 Study on indoor damage induced by the 1993 Kushiro oki earthquake
  SHIMIZU Hirofumi
  日本建築学会北海道支部研究発表会, 18 Mar. 1994
• 036 Study on seismic disaster description in nonfictional documents
  Toyota Nobuhiro
  日本建築学会北海道支部研究発表会, 18 Mar. 1994
• 030 Seismic Zonation of Sapporo Metropolitan area : 1. Site effects on microtremors and strong motion data
  TAKAI Nobuo
  日本建築学会北海道支部研究発表会, 18 Mar. 1994
• Study on seismic disaster description in nonfictional documents.
  TOYOTA NOBUHIRO; TAKAI NOBUO; OKADA SHIGEYUKI
  日本建築学会北海道支部研究発表会, Mar. 1994
• Seismic intensity questionnaire survey on the 1993 Hokkaido-nanseioki Earthquake.
  TAKAI NOBUO; OKADA SHIGEYUKI; MURAKAMI KOICHI; KAGAMI HIROSHI
  地球惑星科学関連学会合同大会, Mar. 1994
• 1993年7月12日北海道南西沖地震の市町村別震度調査
  高井伸雄
  日本建築学会1994年度大会学術講演梗概集B, 1994
  1994 - 1994
• 「アンケート震度調査に基づく北海道の地震危険度マップ」
  第９回日本地震工学シンポジウム, 1994
• 008 Factors influencing whether to conduct high density intensity survey
  Takai Nobuo
  日本建築学会北海道支部研究発表会, 18 Mar. 1993
• 005 Reconnaissance Report of the 1993 Off Kushiro Earthquake : Human Casualty and Emergency Response of the Hospitals
  MURAKAMI Hitomi
  日本建築学会北海道支部研究発表会, 18 Mar. 1993

• 建築都市空間デザイン特別講義, 2024年, 修士課程, 工学院
• 都市防災アセスメント特論, 2024年, 修士課程, 工学院
• 都市防災特論, 2024年, 修士課程, 工学院
• 建築都市空間デザイン特別講義, 2024年, 博士後期課程, 工学院
• 都市防災アセスメント特論, 2024年, 博士後期課程, 工学院
• 都市防災特論, 2024年, 博士後期課程, 工学院
• 情報学 Ⅰ, 2024年, 学士課程, 全学教育
• 防災計画論, 2024年, 学士課程, 工学部
• 応用数学Ⅰ, 2024年, 学士課程, 工学部
• 応用数学演習Ⅰ, 2024年, 学士課程, 工学部

• Oct. 2020 - Present
  American Geophysical Union
• Apr. 2020 - Present
  Society of Exploration Geophysicists
• Apr. 2005 - Present
  THE SOCIETY OF EXPLORATION GEOPHYSICISTS OF JAPAN
• Apr. 2001 - Present
  日本地震工学会
• Jun. 1996 - Present
  米国地震工学会(Earthquake Engineering Research Institute)
• Jun. 1996 - Present
  米国地震学会(SEISMOLOGICAL SOCIETY of AMERICA)
• Apr. 1995 - Present
  JAPAN SOCIETY FOR NATURAL DISASTER SCIENCE
• Apr. 1993 - Present
  地域安全学会
• Apr. 1993 - Present
  日本地震学会
• Apr. 1993 - Present
  Architectural Institute of Japan

• Evaluating the spatio-temporal variation characteristics of earthquake ground motion using a 4-dimensional subsurface structure and its engineering applications
  Grants-in-Aid for Scientific Research
  01 Apr. 2024 - 31 Mar. 2027
  津野 靖士; 山中 浩明; 高井 伸雄; 川口 貴之; 川尻 峻三; 重藤 迪子
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B), Tokyo Institute of Technology, 24K01138
• Estimation of long-period earthquake ground motion using subsurface velocity models from waveform inversions of earthquake records in major basins in Japan
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)
  01 Apr. 2022 - 31 Mar. 2026
  山中 浩明; 高井 伸雄; 松島 信一; 地元 孝輔; 山田 伸之; 神野 達夫; 笠松 健太郎
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (A), Tokyo Institute of Technology, 22H00234
• Earthquake engineering approach for developing dynamic preservation methods: a case study for the world heritage city Bhaktapur, Nepal
  Grants-in-Aid for Scientific Research Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
  27 Oct. 2020 - 31 Mar. 2025
  高井 伸雄; 越川 武晃; 重藤 迪子
  2020年度に引き続き，現地共同研究者と共にカトマンズ盆地内のバクタプル市および周辺の地質学的情報および，地震記録の資料収集を実施している．社会情勢により現地渡航が叶わなかったが，現地共同研究者と現地での強震観測設置に関しての議論をオンライン等で実施し，2020年度に導入した地下構造探査用の高感度地震計を国内のテストフィールドで引き続き操作性等を確認した．カトマンズ盆地内には申請者らがこれまでに計14点の強震観測点を設置してきた．それらの観測点で過去に蓄積された強震観測データの分析を通して，盆地内の地盤増幅特性の違いを指摘した．2021年9月に仙台で開催された第17回世界地震工学会議の特別セッションにおいて，オンライン参加の現地カウンターパートを含め，2015年ゴルカ地震以降のカトマンズ盆地周辺の強震動研究に関する討議を実施した．また，これまでに蓄積してきた2015年ネパール・ゴルカ地震とその余震等の強震記録にレシーバー関数を適用して，カトマンズ盆地の代表者と現地共同研究者らが過去に8観測点から推定した地下構造モデル(Bijukchhen et al., 2017, Bijukchhen, 2018)の再検討を実施し，その成果も同会議にて発表している．具体的には14観測点の各波形のP波到達時刻から3秒間の記録に対して，1-10Hzのバンドパスフィルターを用いて，レシーバー関数を求め，Phase-weighted stacksにより複数の余震記録に対してスタッキング処理を実施した．スタッキング処理により得られた最終的なレシーバー関数から見られるPs-P時間は，前出の地下構造モデルによる各観測点直下の地震基盤深さと良く対応している事が明らかとなった．さらに，理論レシーバー関数を計算したPs-P時間と観測記録により得られたPs-P時間を比較することによりP波速度の検討を実施した．
  Japan Society for the Promotion of Science, Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)), Hokkaido University, 20KK0105
• 中地震に特化した設計用入力地震動作成手法提案による想定のパラダイムシフト
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)
  01 Apr. 2020 - 31 Mar. 2025
  高井 伸雄; 越川 武晃; 前田 宜浩; 地元 孝輔; 神野 達夫; 重藤 迪子
  【地震動・地下構造・地震被害データベース構築】2018年北海道胆振東部地震の余震を含めた強震記録の整理，日本海溝・千島海溝付近のプレート境界およびプレート内で発生する地震に対して周波数毎の励起特性の分析等を実施した．観測点の浅部地下構造探査の精度の確認のため，2020年10月から実施している北見市における7点同時微動アレー探査と表面波探査を継続した．夏期と冬期の変化に加え，表層の乾燥状態によっても，表面波探査結果が異なる事が示された．2021年10月より北見市内で地点を変え，25cmの受振器ピッチで72chの同時観測により，高密度表面波探査を実施し浅部探査結果の季節変動に関する検討を行った．夏期と比較して厳冬期はレイリー波の位相速度が高くなることが確認出来，表層地盤の速度構造探査の問題点等が指摘でき，地震動の高周波数側への影響把握の基礎データが蓄積された．
  【2018年北海道胆振東部地震の震央付近の1次元地下構造モデルの構築】推定済みであるHKD126観測点に加え，前年度に引き続き，震度7が記録された気象庁鹿沼観測点から直後に臨時余震観測点を設置した地域に，本年度は長周期の地震動が卓越したと思われる浜厚真余震観測点HUE05を加え，地震記録を用いた自己相関関数等の解析を実施し，既存の地下構造モデルの検討を実施した．既往の地下構造でも震央付近は非常に基盤構造が複雑であり，それぞれの観測点の記録に対して実施した自己相関関数解析においては，観測点から震央への方位角により，自己相関関数のピーク位置が異なることを明らかにし，今後の傾斜面の把握等の基礎資料を得た．
  【2018年北海道胆振東部地震の震源モデルの構築】既往の震源インバージョン結果を整理し，余震記録を用いて経験的グリーン関数法により，非線形性を考慮した上で，本震時の震央周辺の記録の再現に着手した．
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (A), Hokkaido University, 20H00268
• 2023年トルコ南部の地震と災害に関する総合調査
  科学研究費助成事業
  17 Mar. 2023 - 31 Mar. 2024
  楠 浩一; 青木 陽介; 西村 卓也; 小林 知勝; 近藤 久雄; Adriano Bruno; 王 功輝; Bhandary NetraPrakash; 加藤 愛太郎; 山本 揚二朗; 吉田 圭佑; 八木 勇治; 内田 直希; 汐見 勝彦; 山中 浩明; 高井 伸雄; 吉見 雅行; 地元 孝輔; 中村 洋光; 目黒 公郎; 久田 嘉章; 森 伸一郎; 清田 隆; 小野 祐輔; 後藤 浩之; 日比野 陽; 毎田 悠承; 大西 直毅; SHEGAY ALEKSEY; 阪本 真由美; 金田 義行; 木村 周平; 牧 紀男
  日本学術振興会, 特別研究促進費, 東京大学, 22K21372
• The Short-Period Spectral Level of Intra-Plate Earthquakes for Design Earthquake Input Motion
  Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Research (Pioneering)
  30 Jun. 2017 - 31 Mar. 2021
  Takai Nobuo
  The source characteristics of plate boundary earthquakes and inland crustal earthquakes have been examined in detail due to their frequency. But there is a small number of examples of intraplate earthquakes. We compared the source characteristics of interplate and intraplate earthquakes of almost the same scale and epicenter and showed that high-frequency excitation in intraplate earthquakes is strong. We also compared intraplate earthquakes with different depths and showed that deep hypocenters have stronger high-frequency excitation than shallow hypocenters. The 2018 Hokkaido Eastern Iburi Earthquake was relatively deep and had strong high-frequency excitation source characteristics. We estimated the underground structural model around the area where the dangerous seismic motion occurred, was estimated. We clarified that the causes of dangerous seismic motion are the ground amplification characteristics of the surface layer and the non-linear effect during the mainshock.
  Japan Society for the Promotion of Science, Grant-in-Aid for Challenging Research (Pioneering), Hokkaido University, 20K20290
• ネパールヒマラヤ巨大地震とその災害軽減の総合研究
  国際科学技術共同研究推進事業 地球規模課題対応国際科学技術協力プログラム（SATREPS）
  2015 - 2021
  纐纈一起
  科学技術振興機構－国際協力機構, Competitive research funding
• Comprehensive study on the 2018 Hokkaido Eastern Iburi Earthquake and its disaster
  Grants-in-Aid for Scientific Research Grant-in-Aid for Special Purposes
  04 Oct. 2018 - 31 Mar. 2019
  Takahashi Hiroaki
  Comprehensive investigation on the 2018 Hokkaido Eastern Iburi earthquake and its disaster was conducted. Mainshock rupture initiated at deepest part and major slip was occurred in 20-30km deep. Multiple simultaneous landslides in Atsuma town was induced by combination of strong ground shaking and weak sliding layer between pyroclastic fall deposit layers. Halloysite cray minerals was discovered in all sliding layers. Simulation suggested landslides might attack residential houses within 6 seconds. Observed peak ground motions in nearby area were larger than common distance attenuation model. Severe wooden house damage in Mukawa town was due to amplified seismic waves due to site effects. Sounding and boring investigation revealed filled low-density volcanic ash and higher groundwater level in liquefaction area. Electricity blackout caused severe damage in social and economic activities of Hokkaido. These scientific outcomes were explained to residents at public briefing session.
  Japan Society for the Promotion of Science, Grant-in-Aid for Special Purposes, Hokkaido University, 18K19952
• A study on strong ground motion in sedimentary basin near plate boundary
  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)
  01 Apr. 2016 - 31 Mar. 2019
  Shigefuji Michiko; TAKAI Nobuo; BIJUKCHHEN Subeg
  Generally, the strong ground motion is strongly affected by the sedimentary basin. Slip pulse motions are generated when the seismic source fault is located near the seismic station. In this study, we explored the generation mechanism of the slip pulse motion which is observed on the rock site in the Kathmandu Valley during the 2015 Gorkha Nepal earthquake. We revealed that this slip pulse motion is largely affected by the near-field and the intermediate terms from the nearest slip area and amplified by the basin.
  Japan Society for the Promotion of Science, Grant-in-Aid for Young Scientists (B), Kyushu University, 16K16370
• Development of Strong Ground Motion Prediction Method near Active Fault and Its Engineering Application
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)
  01 Apr. 2016 - 31 Mar. 2019
  Hisada Yoshiaki; Kudo Kazuyoshi; Irikura Kojiro; Yokota Takashi; Tanaka Shinya
  First, we clarified that the long-period pulse ground motion observed by the Nepal Gorkha earthquake was the ground motion from the source fault of about 10 km depth and amplified in the sedimentary basin. Next, we derived the empirical constitutive law of the slip rate function considering the fling step generated from the region shallower than the seismogenic layer, and constructed a prediction model to improve the conventional strong motion prediction recipe. Furthermore, we confirmed the reproducibility of the observation records near large-scale active fault earthquakes such as the 2016 Kumamoto earthquake, the 1999 Kocaelli earthquake, and the 2008 Chi-Chi earthquake, and verified the validity of the method. Finally, we examined effective seismic reinforcement in high-rise buildings by considering long-period ground motions.
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (C), Kogakuin University, Competitive research funding, 16K06586
• Comprehensive Survey of 2015 Nepal Earthquake and Resulted Disasters
  Grants-in-Aid for Scientific Research Grant-in-Aid for Special Purposes
  22 May 2015 - 31 Mar. 2016
  YATABE RYUICHI; FUKUOKA Hiroshi; HIGAKI Daisume; Bhandary N. P.; HASEGAWA Shuichi; KAMIISHI Isao; IZUMI Kaoru; SATO Hiroshi; TAKAI Nobuo; KUMAHARA Yasuo; MIO Minoru; TAKADA Yosuke; TAKEUCHI Yasushi; OKUBO Takeyuki; MINAMI Makito; ATSUMI Tomohide; MURAKAMI Hitomi; YAGI Hiroshi; MOMOMURA Atsuko; YAMAGUCHI Satoru; KAWASHIMA Katsuhisa; HIRATA Nao; SAKAI Shinichi; KURASHIMO Eiji; KOKETSU Kazuki; SHIGEFUJI Michiko; ISHIYAMA Tatsuya; MATSUTA Nobuhisa; HIROUCHI Daisuke
  In this study, we conducted a comprehensive investigation of the damage made by Nepal Gorkha Earthquake occurred on 25 April 2015. The main items of understandings of the investigation and analysis are: 1) earthquake occurrence mechanism , 2) mechanism of slope failures in the mountainous areas due to the earthquake and fault activities, 3) situation of damage and destruction of buildings and civil infrastructures, 4) situation analysis of earthquake-induced ice avalanche disaster, and 5) overall disaster risk assessment. Through these items of understanding, we contributed to second-stage disaster reduction and restoration plan preparation in Nepal.
  Japan Society for the Promotion of Science, Grant-in-Aid for Special Purposes, Ehime University, 15H05793
• Development of Single-Station GMPE
  Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research
  01 Apr. 2013 - 31 Mar. 2016
  TAKAI Nobuo
  There were considerable residuals between the observed and predicted values. These residuals result from the site and source effects, because the previous attenuation formulae were constructed based on many site’s strong motion records from many earthquakes occurring at various source areas. In order to overcome the weakness of the previous attenuation equations, we proposed empirical ground motion prediction equations for a single site; we named these equations “Single-Site GMPE (SS-GMPE)”. We carried out a regression analysis with respect to MW for each site assuming the previously estimated internal attenuation for intraslab earthquakes. The residuals between the observed and predicted values were considerably decreased. We applied the SS-GMPE to earthquakes not used in the regression analysis and found the good correspondence of predicted and observed spectra.
  Japan Society for the Promotion of Science, Grant-in-Aid for Challenging Exploratory Research, Hokkaido University, 25560171
• 余震及び微動観測によるカトマンズ盆地の地震動被害メカニズムの解明
  国際緊急共同研究・調査支援プログラム（J-RAPID）
  2015 - 2016
  纐纈一起
  科学技術振興機構, Competitive research funding
• Earthquake strong motion estimation of Kathmandu basin with underground structure
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
  01 Apr. 2011 - 31 Mar. 2014
  TAKAI NOBUO
  I tried the strong motion evaluation of the Katmandu Basin that was the world heritage area of the Nepalese country. I evaluated basement structure in cooperation with an expert of the local geological feature, seismology.
  I started strong motion observation inside and outside of the basin. I estimated the shallow underground structure near the observation sites by the surface wave exploration method. High quality strong motion data was recorded in each site. I could confirmed these time series data and spectra with the shallow underground structure for each sites. These data which were recorded in Katmandu Basin and a penumbra for the first time will be important basics data to a strong motion prediction in the future.
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B), Hokkaido University, Principal investigator, Competitive research funding, 23404005
• 単一サイト強震動予測式(SS-GMPE)の精度向上のための予測残差要因の分析
  2014 - 2014
  高井 伸雄
  戸田育英財団, Principal investigator, Competitive research funding
• Strong motion prediction for major cities and associated damage risk assessment
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)
  2009 - 2012
  KAWASE Hiroshi; KAMAE Katsuhiro; IWATA Tomotaka; YAMANAKA Hiroaki; SATOH Toshimi; SASATANI Tsutomu; TAKAI Nobuo; NOZU Atsushi; MATSUSHIMA Shinichi; KATO Kenichi; FUJIWARA Hiroyuki; SEKIGUCHI Haruko; SAKAI Yuki; HO Naranmandora
  To evaluate disaster risk from predicted ground motions for majorcities in Japan, we propose a systematic method to delineate hypothesized sources, aunified prediction scheme for strong motions, an evaluation method of building damageusing the response simulator. We also propose a various up-grading techniques for morequantitative strong motion prediction based on the data from the 2011 Tohoku earthquake.
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (A), Kyoto University, 21241044
• 常時微動観測を用いたカトマンズ盆地における強震動観測点の地震動特性評価
  国際交流助成
  2011 - 2011
  高井 伸雄
  大林財団, Principal investigator, Competitive research funding
• ネパール国カトマンズ盆地における地震防災対策立案のための強震動評価に関する研究
  アジア地域重点学術研究
  2011 - 2011
  高井 伸雄
  平和中島財団, Principal investigator, Competitive research funding
• Comprehensive Research on Long-Period Ground Motion and Urban Disaster Mitigation
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)
  2007 - 2010
  KOKETSU Kazuki; HORI Muneo; MIYAKE Hiroe; IRIKURA Kojiro; KUDO Kazuyoshi; MIDORIKAWA Saburoh; TAKAI Nobuo; IWATA Tomotaka; KAEWASE Hiroshi; KAMAE Katsuhiro; TAKENAKA Hiroshi; HISADA Yoshiaki; AOI Shin; FURUMURA Takashi; SASATANI Tsutomu; SEKIGUCHI Haruko; FUKUWA Nobuo; ZAMA Shinsaku; FUJIWARA Hiroyuki; HIGASHI Sadanori
  Toward seismic hazard assessment for long-period ground motion, this study integrates four research components of seismic source, velocity structure, numerical simulation, and damage and risk. We then create the Japan Integrated Velocity Structure Model, and long-period ground motion hazard and risk maps.
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (A), The University of Tokyo, 19201034
• 保育所における防犯・防災性能の向上に関する研究
  2006 - 2006
  高井 伸雄
  セコム科学技術振興財団, Principal investigator, Competitive research funding
• A Study on Characteristics of Strong Ground Motions from the 2003 Tokachi-oki Earthquake
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
  2004 - 2006
  SASATANI Tsutomu; KAGAMI Hiroshi; TAKAI Nobuo; OKADA Shigeyuki; ISHIKAWA Hiroyuki; SATOH Takashi
  The 2003 Tokachi-oki earthquake, a great interplate earthquake (Mw8.3), is the first M8 class earthquake in Japan since the dense strong-motion networks such as the K-NET and KiK-net have been deployed. We examine spatial distributions of velocity responses (damping factor h=0.05) with various natural periods for this earthquake by using the dense strong-motion network data. The short-period (T=0.1sec; T=natural period) velocity response distribution shows a typical feature for subduction-zone earthquakes; the high response values are observed along the Pacific coast of north Japan. This feature is explained by the S-wave attenuation structure beneath north Japan; that is, the path effect. On the other hand, the long-period (T=20sec) velocity response distribution shows a peculiar feature: at comparable distance, the response values in the northern part of the epicenter are higher than those in the south-western part. This peculiar feature is mainly explained by the source effect; the radiation pattern of long-period Rayleigh waves.
  We find various types of the site effects. A remarkable one is excitation of long-period basin surface-waves at large plains with thick sedimentary layers. The other remarkable one is nonlinear site response. We find mild nonlinear site response at a soft soil site located on flood plain deposits; the nonlinearity is confirmed by comparing the transfer functions for weak and strong motions using the downhole array data. The distinctive nonlinearity is also observed at a not-so-soft soil site located on reclaimed land during the largest aftershock; the accelerogram shows a spiky waveform.
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B), HOKKAIDO UNIVERSITY, Coinvestigator not use grants, Competitive research funding, 16310120
• 保育所における防犯・防災性能の向上に関する研究
  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)
  2004 - 2005
  高井 伸雄
  本研究は保育所の防災・防犯における問題点を整理し,解決策を探るものである.防災に関しては,日常災害,地震災害と火災を主に扱い防犯に関しては部外者侵入の抑制に関して検討を加えた.16年度から引き続き,保育所における災害・犯罪に関して,医療現場や建設現場で良く用いられる事故には至らない「ひやり・はっと」事象の収集を行った.父兄からは,直接入力ではなく,紙ベースでのアンケート形式によりヒヤリハットデータの回収協力を得られた.その中でも,事故に至らずとも,非常に危険な事例が多く見られた.今年度はさらに,実際に事故に至った事例も収集した.防災・防犯対策に固執することで,ソフト・ハードの両面が無機的なものとならないよう,園児の知育発達の側面から保育所施設・運営計画を研究した事例等を参考にするべきであるが,昨年度,新築保育所の計画・設計に立ち会う機会を設け,内容を保育士・父兄と議論する機会を得ることができた.その新築保育園の完成に伴い,新築保育園における,育児環境,児童行動状況の把握を行うことを試みた.新築保育園における調査は主に,保育士からのアンケート・ヒアリングにより,事故事例・ひやりはっと事例の収集を行った.それにより,高学年児童と低学年児童のゾーニングが反映された平面計画は非常に保育環境としては優れているものの,全体の集中管理に関しては若干の課題を残していることが判明した.このことは,他の事例からも,ハード的は解決が得られていくものであると考えられる.
  収集事例の保育士へのフィードバックを行った結果,事故事例の収集においては,幸い大事には至らなかったものの,子供特有の行動パターンから,ハード的解決をもっても限界が存在する事例に関し,ソフト的(教育的)な解決を得なければ,将来的にも起こりうるであろうとの,保育士からのコメントを得ることが出来た.
  Japan Society for the Promotion of Science, Grant-in-Aid for Young Scientists (B), Hokkaido University, Principal investigator, Competitive research funding, 16710103
• Database Construction and Data Mining for Uncovering the Mechanism of Human Injury in Seismic Damage Buildings
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
  2002 - 2004
  OKADA Shigeyuki; TAKAI Nobuo; KIYONO Junji; WATOH Yukihiro; ISHIYAMA Yuji; KAGAMI Hiroshi; AOKI Noriaki; SMITH Jack W.; DUNN Kim
  (1)Research background
  To uncover the mechanism of human injury in buildings damaged by devastating earthquakes is indispensable to the fundamental resolution for prevention of the occurrence of deceased. However, conventional studies formulate the death toll estimation directly from the number of building collapses. Such ridiculous situation would be caused by the fact that there has been no contact in the research field between building structural engineers and disaster medical researchers, and they have been advancing the research under the independent organization each other.
  (2)Objectives of the project
  In order to interdisciplinary discuss the latest results of the research of the earthquake engineering and the disaster medicine. By the application of regression analysis and some statistical work to the database the study secondly tries to propose the death toll estimation model that runs to concrete measures for the human damage reduction. In this project treats the 2004 Barn Earthquake in Iran as an earthquake with masonry structure collapse, the 1999 Kocaeri Earthquake in Turkey as an earthquake with RC structure collapse, and the 1995 Kobe Earthquake in Japan as an earthquake with wooden structure collapse.
  (3)Implementation of the project
  Kickoff meeting :
  To discuss the research plan for 3 years with the researchers in the engineering field and the medical field at the first stage, an interdisciplinary symposium for research exchange was executed by the Japan-U.S.cooperation at the Center for Health Science, the University of Texas. The symposium was held by opening to the public, and the state of the symposium was simultaneously dlelivered to the world through the Internet Web.
  Construction of database :
  Based on the discussion in the symposium, the definition of building damage was redefined from the viewpoint of death occurrence in seismic damage building for the purpose of database construction for clarifying the death occurrence mechanism. The new definition was visualized as a pattern chart of building damage. Following the definition, we rebuilt the database from the information about dead and damage to building in the Kocaeri Earthquake and the Kobe Earthquake. In addiiton, we consolidated the database by adding the concerning data which various research organizations had collected.
  Modeling death toll estimation and its application :
  We elucidated the death causalities by means of event tree analysis for the Kobe Earthquake's database. On the basis of the result, a causal model following the process to death was proposed. That is to say, the death toll estimation model was constructed in multivariate regression model, in which the structural damage pattern of building can be specified as the result for given earthquake ground motion severities at the first step, the volumetric loss of building can be counted by the spatial damage index at the second step, and then the survival rate of inhabitants entrapped in collapsed building can be calculated at the final step. This model is not only accurate in comparison with the conventional simple models, that the collapse of building regulates the number of killed people, but also applicable to various type of buildings in foreign countries by introducing the index of volumetric loss. In addition, this model can help the decision-making for the optimal triage for search and rescue (SAR) activities as a post countermeasure ; because the survival potential of trapped people in collapsed building is affected strongly by the collapsed pattern of building, and the model can provide the information about the collapsed pattern.
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B), Hokkaido University, Coinvestigator not use grants, Competitive research funding, 14404008
• 個別要素法を用いた地震時建物被害による人的被害発生メカニズムの究明
  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)
  2002 - 2003
  高井 伸雄
  これまでに提案してきた破壊パターンは内部空間の損失を反映した指標であるが、さらに定量的に評価するために、内部空問の損失を評価するW-値を導入し、建物の破壊パターンとW-値との関係を明らかにした。ここで、人的負傷とを関連づけることで、建物被害とは独立した、人間への外力と傷害度との関係が導き出される。ここでは人間の負傷度を医学で用いられる指標(傷害度スコア)を引用し、医学研究者との議論を重ね、内部空間損失と人的負傷との関係を明らかにした。
  以上で地震時の建物被害による人的被害発生のメカニズムが明らかになったが、パターンと傷害度スコアとの関係は、東灘区のデータを利用していることから、一般化を目指し他地域での適用に関して議論した。そこで、対象地域を木造パラメーターの異ならないと思われる地域として、同地震で被害を受けた神戸市長田区を新たに対象地域都市として、GIS上に同様のデータベースを構築し、人的被害を予測した。その結果これまでに利用されてきた手法より精度の高い予測が可能となっている。これまでは木造に関しての解析であるが、1999年トルコ地震におけるRC建物造に関しての建物破壊パターンとW値との関係も議論可能とするべく、一次解析としてRC造の破壊パターンと主要な破壊階と死傷者の関係のデータベースを構築した、RCに関してはさらに詳細な解析を行う準備がある。
  ここで注目する点は精度の向上よりも、メカニズムに踏み込んだ議論をしていることであり、以上により明らかとなった木造建物の地震被害による人的被害発生メカニズムを基に、より安全性の高い破壊パターンを考慮した建物形式、及び既存不適格建物の補強方法を議論することが可能となった。
  Japan Society for the Promotion of Science, Grant-in-Aid for Young Scientists (B), Hokkaido University, Principal investigator, Competitive research funding, 14750465
• 広域地震被害予測のための高精度地震動分布予測手法の開発
  2000 - 2001
  高井 伸雄
  セコム科学技術振興財団, Principal investigator, Competitive research funding
• 広域地震被害予測のための高精度地震動分布予測手法の開発
  Grants-in-Aid for Scientific Research Grant-in-Aid for Encouragement of Young Scientists (A)
  2000 - 2001
  高井 伸雄
  北海道の太平洋プレート境界付近で発生する複数の地震に関し、プレート内・プレート以浅、それぞれの地震波伝播経路長を説明変数、地震動強さを目的変数として、関係式を回帰分析により求めた。求められた関係式はおおよそ基盤における地震動分布予測式と考えてよい。また、回帰式と観測値の差を国土数値情報により議論した。
  各地震により求められた、回帰式の係数を目的変数、マグニチュードを説明変数とし、再度回帰式を求めた。この回帰式が、任意の地震、観測点に対して地震動を予測する距離減衰式に相当する。この回帰に際し、震源距離のみをパラメータとした減衰式も作成したが、回帰係数が、本手法と比較し低いことが確認でき、これは本手法が伝播経路の影響を考慮できている為であると理解できる。以上により北海道における広域地震動分布予測式を作成した。
  次に、求めた予測式を他地域に拡張して議論した。日本付近のプレートの沈み込みを北海道地域同様に既往の研究を基にモデル化し、過去の地震による震度分布や強震動データを用い、予測式の汎用性を検証した。特に東北地方では、同様のプレート沈み込み形状を有しており、予測精度が高いことが確認出来た。
  求められた予測式と、震度に対する被害関数を用い、北海道をテストフィールドとして想定地震に対する被害予測を実施した。この被害予測の結果と、既往の距離減衰式による予測結果とを比較し、考察を加えた。本手法による被害予測結果は、より実際の被害に近く、想定地震に対する、防災計画等への援用に有用であることが明らかとなった。
  Japan Society for the Promotion of Science, Grant-in-Aid for Encouragement of Young Scientists (A), Hokkaido University, Principal investigator, Competitive research funding, 12750504
• Simple Installation of a Deep Borehole Seismometer Using a Preexisting Well
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
  2000 - 2001
  SASATANI Tsutomu; TAKAI Nobuo; KAGAMI Hiroshi; KASAHARA Minoru; ANDO Fumihiko; HAYAKAWA Fukutoshi
  We have developed a simple method for installing a deep borehole seismometer inside a preexisting well. The developed points are (1)double-casing system down to the well-bottom to protect effects due to well-water movement, (2)boring at the bottom of the preexisting well to install the borehole seismometer, (3)damping system to protect vibration noises propagating the inner casing, and (4)use of an optical fiber cable to transmit the digital data. Our system is easy to install and take up the borehole seismometer.
  We have confirmed our system comparing the seismograms with those by the other borehole seismometers. Micro-earthquake activity beneath Sapporo urban districts has been studied based on data from several borehole seismometers. The epicentral distribution shows a linear trend with the NW-SE direction ; this might represent a blind fault beneath Sapporo urban districts. Finally we have studied the seismic response of sedimentary layers based on surface and borehole seismic data.
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B), HOKKAIDO UNIVERSITY, Coinvestigator not use grants, Competitive research funding, 12558041
• プレートの沈み込み形状を考慮した広域震度分布予測手法の開発
  Grants-in-Aid for Scientific Research Grant-in-Aid for Encouragement of Young Scientists (A)
  1998 - 1999
  高井 伸雄
  広域地震防災対策の基礎資料として重要な想定地震における広域震度分布図を、精度高く予測するために、地球内部の減衰構造を反映させて作成する手法を開発している。被害地震で得られたアンケート震度データを、大規模減衰構造である太平洋プレートの沈み込み形状を踏まえて解析を行った。
  (1)サイスミックレイトレーサーの作成と伝播経路の計算及び回帰式の作成
  既往の2重深発地震面に関する研究を基に、北海道地域の太平洋プレートの沈み込み形状をプレートとそれより上部という2層にモデル化した。作成したモデルを基に観測点と震源を含む断面を作成し、スネルの法則を用いて2次元内の地震波伝播経路を求める。本年度は、前年度よりさらに広域、高密度に展開するため、経路を求めるためのレイトレーサーを作成し、このレイトレーサーを用いて伝播経路を求めた。求められる伝播経路はプレート内とそれより上部となる。震度を目的変数、求めた経路を2つの説明変数として各地震で回帰式を求めた。ここで、回帰係数から得られる地震規模の評価は従来の震源距離より評価される物より精度が高かった。
  (2)国土数値情報を用いた表層地質分類による補正係数
  さらに、GISソフトにより観測点と国土数値情報を結びつけることにより、求められた回帰式からの観測震度との差を表層地質により分類した。これより地形分類と震度差が密接な関係があることが明らかになり、各地形分類に対する震度の補正係数を導出した。
  (3)他地域への適用
  求められた、各地震における回帰式と表層地質による補正係数を用いて、東北地方の震度分布図を予測し、存在する震度分布図と比較したところ、距離減衰式で求められる予測震度よりも精度の高い予測が行えていることが明らかになった。
  Japan Society for the Promotion of Science, Grant-in-Aid for Encouragement of Young Scientists (A), Hokkaido University, Principal investigator, Competitive research funding, 10750418
• Regional Disaster Prevention Planning Guide based on Seismic Risk Assessment for Earthquakes Occurring Near Urban Districts
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
  1998 - 1999
  OKADA Shigeyuki; TAKAI Nobuo
  Near field earthquakes bring catastrophic disasters in large urbanized cities. Local governments must prepare the regional mitigation plans on the basis of seismic hazard and risk estimation in order to protect the building environment and the population. In case of Sapporo City, that is our research target, it is difficult to specify the source parameters of near field earthquakes affected the populated area. It is necessary to investigate the influence of indefinite parameters upon the risk assessment.
  In this paper, we enforced an importance of the plural estimation of seismic damages by probable earthquakes occurring near the urban area. Paying attention to the difficulties of taking measures against all of the cases on estimated damages, we gave an example of the rule of making decision about the priority of mitigation plans from the point of view of earthquake engineering and political science. Finally, we applied the Analytical Hierarchical Approach proposed by T.L.Saaty to decision-making on priority measures for earthquake prevention planning.
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B), Hokkaido University, Coinvestigator not use grants, Competitive research funding, 10450198
• Characteristics of Earthquake Disaster and Problems in Disaster
  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)
  1998 - 1999
  KAGAMI Hiroshi; TAKAI Nobuo
  Problems on earthquake disasters in rural area are discussed through the experiences due to recent damaging earthquakes attacked Hokkaido, northern Japan. In the field of earthquake disaster engineering, main concern has been focused on the problems in the densely populated area in large cities. It is obvious that in a large city seismic risk is very high because of concentration of vulnerable structures and complex functions. On the contrary in rural area seismic risk is rather small compared with urbanized area in general but there might be different problems due to the situation of isolation and less population in wide area. From the ratio of area, the chance to be attacked by earthquakes is much higher in rural area than in urbanized area. Therefore the problems in the rural area is also important in the earthquake disaster mitigation programs. In Hokkaido, northern most Japan, we had three large damaging earthquakes in 1993 and 1994. These events attacked not only urbanized area but also more wide rural area and caused much damages in primary industrial area. In this paper, problems on earthquake disasters are discussed through the experiences of three earthquakes. Firstly, reconnaissance reports, various data in local government and organizations, newspapers and related statistics are gathered and rearranged. Secondary, damaging and recovery processes and their effects to local society are revealed for each sector and specified problems in rural area are pointed out. Finally, new approach to the disaster mitigation programs in rural area is indicated.
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (C), HOKKAIDO UNIVERSITY, Coinvestigator not use grants, Competitive research funding, 10680442
• 建物内生存空間崩壊パターン記述法による激震下死者発生モデル構築へのアプローチ
  Grants-in-Aid for Scientific Research Grant-in-Aid for Exploratory Research
  1997 - 1999
  岡田 成幸; 高井 伸雄
  本研究は地震による建物破壊に起因する人的被害の抜本的低減を目的としており、激震下における人的被害を「建物構造破壊」→「建物内部崩壊」→「生存空間被災」→「人的被害発生」という時系列展開に基づくメカニズムで理解するためのアプローチ法を提言するものである。そのために必要なツールとして、建物の力学的崩壊パターンを数量評価する尺度および崩壊家屋内の生存空間の保存状態を記述する尺度構成を議論する。
  本研究は3ヵ年の研究期間を予定しており、遅滞なく進めるために以下のサブテーマを想定した。
  (1)サブテーマ1 : 基礎資料の構築
  (2)サブテーマ2 : 建物内生存空間の崩壊パターン記述法の考察
  (3)サブテーマ3 : 構造被害-生存空間被害-死傷者の関係考察
  (4)サブテーマ4 : 死傷者発生モデルの検討
  平成11年度は最終年度に当たる。初年度はサブテーマ1の研究遂行のためのデータベース化が主作業であった。2年度はそのデータに基づいた、建物崩壊パターン記述法(サブテーマ2)及び建物被害パターンと建物内人的被害との関係考察(サブテーマ3)のためのデータ収集に力点が置かれた。本年度の成果は、建物崩壊パターン記述法に関し、2年度において得られた木造建物被害パターンに加え、鉄筋コンクリート構造に関する被害パターン分類をトルココジャエリ地震(1999年)の被害写真より20分類し、それぞれのパターンごとに死者発生率を算定した。さらに、阪神淡路大震災の神戸市における航空写真を立体視解析し、人的被害データとコンバインすることにより、木造被害20分類についても、それぞれの死者発生率を求めることが出来た。この結果、従来の被害4分類より推定される死者予測式に比し、格段に精度・信頼度の高い推定式を構成することが出来た。
  また、本研究で提示した分類及び関数は本研究目的以外にも被害調査に一般的に利用できることなどが確認され、研究の副産物として十分意義深いものと位置づけられる。成果の一部は学会誌に投稿した。
  Japan Society for the Promotion of Science, Grant-in-Aid for Exploratory Research, Hokkaido University, Coinvestigator not use grants, Competitive research funding, 09875127
• 伝統的町並みにおける景観保全と地震時安全性の共存に関する研究
  1998 - 1998
  高井 伸雄
  セコム科学技術振興財団, Principal investigator, Competitive research funding
• 都市形成史を考慮した地域地震危険度評価に関する研究
  科学研究費補助金 特別研究員奨励費
  1996 - 1996
  高井 伸雄
  日本学術振興会, Principal investigator, Competitive research funding