1．氏名: 吉田 圭佑 (Keisuke YOSHIDA)
2．研究業績等
(1) 論文 (査読あり)

  1. Yoshida, K., A. Hasegawa and T. Okada, Heterogeneous stress field in the source area of the 2003 M6.4 Northern Miyagi Prefecture, NE Japan, earthquake, Geophys. J. Int., accepted.
  2. Shibazaki, B., T. Okada, J. Muto, T. Matsumoto, T. Yoshida, and K. Yoshida, 2016, Heterogeneous stress state of island arc crust in northeastern Japan affected by hot mantle fingers, J. Geophys. Res. Solid Earth, accepted.
  3. Yoshida, K., N. Pulido and E. Fukuyama, 2016, Unusual stress rotations within the Philippines possibly caused by slip heterogeneity along the Philippine fault, J. Geophys. Res. Solid Earth, 112, doi: 10.1002/2015JB012275.
  4. Hasegawa, A., K. Yoshida, 2015, Preceding seismic activity and slow slip events in the source area of the 2011 Mw 9.0 Tohoku-Oki earthquake: a review, Geoscience Letters, 2, doi:10.1186/s40562-015-0025-0.

  5. Yoshida, K., A. Hasegawa, and T. Okada, 2015, Spatial variation of stress orientations in NE Japan revealed by dense seismic observations, Tectonophysics, 647-648, 63-72, doi:10.1016/j.tecto.2015.02.013.
  6. Yoshida, K., A. Hasegawa, and T. Okada, 2015, Spatially heterogeneous stress field in the source area of the 2011 Mw 6.6 Fukushima-Hamadori earthquake, NE Japan, probably caused by static stress change, Geophys. J. Int., 201(2), 1060-1069, doi:10.1093/gji/ggv068.
  7. Okada T., T. Matsuzawa, N. Umino, K. Yoshida, A. Hasegawa, H. Takahashi, T. Yamada, M. Kosuga, T. Takeda, A. Kato, T. Igarashi, K. Obara, S. Sakai, A. Saiga, T. Iidaka, T. Iwasaki, N. Hirata, N. Tsumura, Y. Yamanaka, T. Terakawa, H. Nakamichi, T. Okuda, S. Horikawa, H. Katao, T. Miura, A. Kubo, T. Matsushima, K. Goto and H. Miyamachi, Hypocenter migration and crustal seismic velocity distribution observed for the inland earthquake swarms induced by the 2011 Tohoku-Oki earthquake in NE Japan: implications for crustal fluid distribution and crustal permeability, Geofluid, 15, 293-309, doi:10.1111/gfl.12112.

  8. Yoshida, K., A. Hasegawa, T. Okada, and T. Iinuma, 2014, Changes in the stress field after the 2008 M7.2 Iwate-Miyagi Nairiku earthquake in northeastern Japan, J. Geophys. Res. Solid Earth, 119(12), 9016-9030, doi:10.1002/2014JB011291.
  9. Yoshida, K., A. Hasegawa, T. Okada, H. Takahashi, M. Kosuga, T. Iwasaki, Y. Yamanaka, H. Katao, Y. Iio, A. Kubo, T. Matsushima, H. Miyamachi, and Y. Asano, 2014, Pore pressure distribution in the focal region of the 2008 M7.2 Iwate-Miyagi Nairiku earthquake, Earth, Planets and Space, 66 59, doi:10.1186/1880-5981-66-59.

  10. Yoshida, K., A. Hasegawa, T. Okada, J. Nakajima, T. Iinuma, Y. Ito, and Y. Asano, 2013, Stress fields in NE Japan before and after the 2011 Tohoku-oki Earthquake, Proceedings of the 11th SEGJ International Symposium, Yokohama, Japan, 18-21 November 2013, doi:10.1190/segj112013-126.
  11. Nakajima, J., K. Yoshida, and A. Hasegawa, 2013, An intraslab seismic sequence activated by the Tohoku-oki earthquake: Evidence for fluid-related embrittlement, J. Geophys. Res-Solid Earth., 118, 3492-3505, doi:10.1002/jgrb.50246.

  12. Hasegawa, A., K. Yoshida, Y. Asano, T. Okada, T. Iinuma, and Y. Ito, 2012, Change in stress field after the 2011 great Tohoku-Oki earthquake, Earth Planet. Sci. Lett., 355-356, 231-243, doi:10.1016/j.epsl.2012.08.042.
  13. Yoshida, K., A. Hasegawa, T. Okada, T. Iinuma, Y. Ito, and Y. Asano, 2012, Stress before and after the 2011 great Tohoku-oki earthquake and induced earthquakes in inland areas of eastern Japan, Geophys. Res. Lett., 39(3), L03302, doi:10.1029/2011GL049729.

  14. Okada, T., K. Yoshida, S. Ueki, J. Nakajima, N. Uchida, T. Matsuzawa, N. Umino, A. Hasegawa, Group for the aftershock observations of the 2011 off the Pacific coast of Tohoku Earthquake, 2011, Shallow inland earthquakes in NE Japan possibly triggered by the 2011 off the Pacific coast of Tohoku Earthquake, Earth Planets and Space, 63, 749-754, doi:10.5047/eps.2011.06.027.
  15. Hasegawa, A., K. Yoshida, T. Okada, 2011, Nearly complete stress drop in the 2011 Mw9.0 off the Pacific coast of Tohoku Earthquake, Earth Planets and Space, 63, 703-707, doi:10.5047/eps.2011.06.007.

(2) 論文(査読なし)
(3) 学会発表

  1. Yoshida, K., A. Hasegawa, and T. Matsuzawa, Stress heterogeneity in northeastern Japan and its relationship with induced seismic activities by the 2011 Tohoku-Oki earthquake, JpGU meeting 2016, Makuhari, May 2016.
  2. Yoshida, K., A. Hasegawa, T. Saito, Y. Asano, S. Tanaka, K. Sawazaki, Y. Urata, and E. Fukuyama, Stress fields in and around the focal area of the 2016 Kumamoto earthquake, JpGU meeting 2016, Makuhari, May 2016.
  3. Yoshida, K., and E. Fukuyama, Spatial distribution of stress orientations in Southwestern Japan and its implication for the strength of the median tectonic line, Japan Geoscience Union Meeting 2016, Makuhari, May 2016.

  4. Yoshida, K., N. Pulido and E. Fukuyama, Spatially heterogeneous stress orientation in the Philippines caused by the slip heterogeneity along the Philippine fault, AGU 2015 Fall Meeting, AGU, San Francisco, T31B-2884, Dec. 2015.
  5. Yoshida, K., E. Fukuyama, Estimation of aftershock focal mechanisms of the May 20, 2015 Mw 8.5 east off Ogasawara deep earthquake, SSJ meeting 2015, Kobe, Oct. 2015.
  6. Yoshida, K., A. Hasegawa, Spatio-temporal variation of friction and stress extracted from focal mechanism in the Yamagata-Fukushima region, SSJ meeting 2015, Kobe, Oct. 2015.
  7. Yoshida, K., N. Pulido, and E. Fukuyama， Strong spatial variations of stress within the Philippines produced by slip heterogeneity along the Philippine fault from data by the international seismic network of NIED, Japan Geoscience Union Meeting 2015, Makuhari, May 2015.
  8. Yoshida, K., A. Hasegawa, T. Okada and N. Uchida, Estimates of stress drop by using dense seismic observation data in the focal area of the 2008 Iwate-Miyagi nairiku earthquake -comparison with frictional strength -, Japan Geoscience Union Meeting 2015, Makuhari, May 2015.

  9. 吉田圭佑・長谷川昭・岡田知己， 2011年福島県浜通りの地震震源域の応力場：静的応力変化に起因すると推定される顕著な空間不均質， 日本地球惑星科学連合，横浜，2014年4月
  10. Yoshida, K., A. Hasegawa, T. Okada, J. Nakajima, T. Iinuma, Y. Ito, and Y. Asano, Stress fields in NE Japan before and after the 2011 Tohoku-oki Earthquake, 11th SEGJ International Symposium, Yokohama, Japan, 18-21 November 2013.
  11. 吉田圭佑・長谷川昭・岡田知己・中島淳一， 臨時観測データを用いて推定した 2011年東北沖地震前後での東日本地殻内のS波偏向異方性構造， 日本地震学会，横浜 ，2013年10月
  12. 吉田圭佑・長谷川昭・岡田知己・飯沼卓史・伊藤喜宏・浅野陽一， 2008年岩手・宮城内陸地震震源域における応力場の顕著な空間不均質， 日本地震学会，横浜，2013年10月
  13. 吉田圭佑・長谷川昭・岡田知己， 臨時観測データを用いて推定した東北日本の応力場 -プレート収束と地形効果， 日本地球惑星科学連合大会，幕張 ，2013年5月
  14. 吉田圭佑・長谷川昭・岡田知己・中島淳一・飯沼卓史・伊藤喜宏・浅野陽一， 2011年東北地方太平洋沖地震に伴い応力場が変化した領域の広がりと応力・強度の推定， 日本地球惑星科学連合大会，幕張，2013年5月
  15. Yoshida, K., A. Hasegawa, T. Okada, Y. Ito, T. Iinuma, and Y. Asano, Did stress field change after the 2011 Tohoku Did stress field change after the 2011 Tohoku-Oki earthquake in the inland areas of Tohoku-Oki earthquake in the inland areas of Tohoku?, AGU Fall Meeting, San Francisco, Dec., 2012
  16. 吉田圭佑・長谷川昭・岡田知己， 2011年東北地方太平洋沖地震に伴う東日本内陸域における応力場の変化， 日本地震学会，函館 ，2012年10月
  17. 吉田圭佑・長谷川昭・岡田知己・飯沼卓史・伊藤喜宏・浅野陽一， 2011年東北沖地震に伴う応力変化と東北日本内陸における誘発地震活動 2， 日本地球惑星科学連合大会， 幕張，2012年5月
  18. Yoshida, K., A. Hasegawa, T. Okada, Y. Ito, T. Iinuma, and Y. Asano, Stress change by the 2011 great Tohoku earthquake and induced earthquake activity in the inland areas of northeastern Japan, AGU Fall Meeting, San Francisco, Dec., 2011
  19. 吉田圭佑・長谷川昭・岡田知己・飯沼卓史・伊藤喜宏・浅野陽一， 2011年東北地方太平洋沖地震に伴う応力変化と東北日本内陸における誘発地震活動， 日本地震学会，静岡 ，2011年10月
  20. 吉田圭佑・岡田知己・伊藤喜宏・飯沼卓史・海野徳仁・長谷川昭， メカニズム解から推定した2008年岩手・宮城内陸地震震源域の起震応力場と間隙水圧， 日本地球惑星科学連合大会，幕張， 2011年5月
  21. 吉田圭佑・長谷川昭・岡田知己・伊藤喜宏・飯沼卓史・浅野陽一， 2011年東北地方太平洋沖地震前後の応力， 日本地球惑星科学連合大会，幕張，2011年5月
  22. Yoshida, K., T. Okada, Y. Ito, T. Iinuma, N. Umino, A. Hasegawa, Spatial heterogeneity of stress and pore-pressure estimated from aftershocks of the 2008 Iwate-Miyagi Nairiku earthquake, IGRS International Geo-Hazards Research Society, Italia, August, 2010
  23. Yoshida, K., T. Okada, Y. Ito, T. Iinuma, N. Umino, and A. Hasegawa, Estimation of postseismic stress field and pore-pressure distribution inferred from the focal mechanisms of aftershocks of the 2008 Iwate-Miyagi Nairiku (inland) earthquake, Western Pacific Geophysics Meeting, Taipei, June, 2010
  24. 吉田圭佑・岡田知己・伊藤喜宏・飯沼卓史・海野徳仁・長谷川昭， 稠密観測データから得られた余震のメカニズム解による2008年岩手・宮城内陸地震震源域の応力場と摩擦係数の空間変化， 日本地球惑星科学連合大会，幕張，2010年5月
  25. Yoshida, K., T. Okada, Y. Ito, T. Iinuma, N. Umino, and A. Hasegawa, Group for the aftershock observations of the Iwate-Miyagi Nairiku Earthquake in 2008, Heterogeneity of stress field in and around the source area of the 2008 M7.2 Iwate-Miyagi Nairiku earthquake, NE Japan, inferred from the aftershock focal mechanisms, AGU Fall Meeting, San Francisco, Dec., 2009
  26. 吉田圭佑・岡田知己・伊藤喜宏・飯沼卓史・海野徳仁・長谷川昭・2008年岩手・宮城内陸地震合同余震観測グループ， 2008年岩手宮城内陸地震の余震のメカニズム解および起震応力場，， 2009年日本地震学会，京都，2009年10月
  27. 吉田圭佑・岡田知己・伊藤喜宏・飯沼卓史・趙大鵬・海野徳仁・長谷川昭・2008 年岩手・宮城内陸地震合同余震観測グループ， 2008年岩手・宮城内陸地震の余震のメカニズム解および起震応力場， 日本地球惑星科学連合大会，幕張，2009年5月

(4) 編集・著作
(5) 特許
3．受賞歴
4．所属学会
5．略歴
6．研究内容紹介
一覧に戻る
2015/4/6 updated