2018 - 2019 Comprehensive study on the 2018 Hokkaido Eastern Iburi Earthquake and its disaster
2014 - 2017 Origin of regularity and complexity of earthquakes
2008 - 2010 Study on public needs and noises in the outreach activity of seismology
2002 - 2004 Research on seismo-tectonics along the collision border between the Amur plate and the Okhotsk plate.
1998 - 2000 Joint Study on Northern Environmental Change and Forecast
1996 - 1998 オホーツクプレート運動の地球物理学的検証とそのテクトニクスの研究
1995 - 1995 平成7年 サハリン北部地震とその被害の調査研究
地震現象に関する研究
Study on Earthquake
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Papers (39):
Ayaka Tagami, Miu Matsuno, Tomomi Okada, Shin’ichi Sakai, Mako Ohzono, Kei Katsumata, Masahiro Kosuga, Yoshiko Yamanaka, Hiroshi Katao, Takeshi Matsushima, et al. Stress field in northeastern Japan and its relationship with faults of recent earthquakes. Earth, Planets and Space. 2024. 76. 1
Takahiro Shiina, Kei Katsumata, Kiyoshi Yomogida, Aitaro Kato. Attenuation contrast in mantle wedge across the volcanic front of northeastern Japan that controls propagations of high-frequency S-wave later phases. Earth, Planets and Space. 2021. 73. 1
Kei Katsumata, Masao Nakatani. Testing the seismic quiescence hypothesis through retrospective trials of alarm-based earthquake prediction in the Kurile-Japan subduction zone. Earth, Planets and Space. 2021. 73. 1
Yuki Susukida, Kei Katsumata, Masayoshi Ichiyanagi, Mako Ohzono, Hiroshi Aoyama, Ryo Tanaka, Masamitsu Takada, Teruhiro Yamaguchi, Kazumi Okada, Hiroaki Takahashi, et al. Focal mechanisms and the stress field in the aftershock area of the 2018 Hokkaido Eastern Iburi earthquake (MJMA = 6.7). Earth, Planets and Space. 2021. 73. 1
蓬田清, 益田英勝, 椎名高裕, 勝俣啓. Local variations of seismic scattering-attenuation structure around the volcanic front in Hokkaido. 日本地球惑星科学連合大会予稿集(Web). 2021. 2021