Japan Geoscience Union Meeting 2025

Session information

[E] Poster

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG45] Science of slow-to-fast earthquakes

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

convener:Aitaro Kato(Earthquake Research Institute, the University of Tokyo), Asuka Yamaguchi(Atomosphere and Ocean Research Institute, The University of Tokyo), Ryoko Nakata(Graduate School of Science, The University of Tokyo), Kurama Okubo(National Research Institute for Earth Science and Disaster Resilience)

Growing evidence of geophysical observations has demonstrated that earthquake faults host a broad spectrum of slip modes from slow to unstable fast slip, which may lead to complexity in the nucleation process, rupture behavior, and slip & energy distribution. This discovery has boosted up vigorous discussions about the connection between slow and fast earthquakes including large earthquakes. How and when does a slow earthquake become a fast earthquake? To answer this fundamental question, it is particularly important to proceed further interdisciplinary research through the integration of geophysics, seismology, geodesy, geology, and physics. Developments of measurement technology, application of information science and statistical methods to seismic big-data and utilization of high-performance computing are required as key ingredients in accelerating the integration. This session encourages presentations shedding light on geophysical observations, data analysis, field studies, laboratory experiments, numerical modeling, and theoretical studies. We also welcome contributions from cutting-edge science and technology fields that explore development of novel measurements, data-driven analysis, and large-scale computation etc., those are relevant to slow and fast earthquakes.

5:15 PM - 7:15 PM

*Hanaya Okuda1, Wataru Tanikawa1, Yohei Hamada1, Keishi Okazaki2,1, John D Bedford3,1, Takehiro Hirose1 (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Earth and Planetary Systems Science Program, Hiroshima University, 3.Department of Earth, Ocean and Ecological Sciences, University of Liverpool)

5:15 PM - 7:15 PM

*Takehiro Hirose1, Junli Zhang2, Hanaya Okuda1, John Bedford3, Matt Ikari2, Anja Schleicher4, Daniel Faulkner3 (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.MARUM Center for Marine Environmental Sciences and Faculty of Geosciences, University of Bremen, Bremen, Germany, 3.Department of Earth, Ocean, and Ecological Sciences, University of Liverpool, 4.Helmholtz Zentrum Potsdam, Deutsches GeoForschungsZentrum (GFZ))

5:15 PM - 7:15 PM

*Shunya Okino1, Atsushi Okamoto1, Ryosuke Oyanagi3,4, Yukiko Kita2, Sando Sawa2, Jun Muto2 (1.Graduate School of Environmental Studies, Tohoku University, 2.Department of Earth Science, Graduate School of Science, Tohoku University, 3.School of Science and Engineering, Kokushikan University, 4.Research Institute for Marine Geodynamics, Japan Agency for Marine–Earth Science and Technology)


5:15 PM - 7:15 PM

*Kentaro Kuniyoshi1, Yoshihiro Ito2, Shukei Ohyanagi1, Raymundo Plata-Martinez3, Tomoaki Nishikawa2, Yuta Ito1, Ketzallina Flores-Ibarra1, Yanhan Chen1, Emmanuel Soliman M. Garcia4, Victor M. Cruz-Atienza3 (1.Graduate School of Science, Kyoto University, 2.DPRI, Kyoto University, 3.UNAM, 4.National Institute of Physics, University of the Philippines Diliman)

5:15 PM - 7:15 PM

*Nobuaki Suenaga1, Shoichi Yoshioka1,2, Vlad Constantin Manea3, Marina Manea3, Erika Jessenia Moreno1, Yingfeng Ji4,5 (1. Research Center for Urban Safety and Security, Kobe University, 2.Department of Planetology, Graduate School of Science, Kobe University, 3.Computational Geodynamics Laboratory, Instituto de Geociencias, Universidad Nacional Autónoma de México, 4.Institute of Tibetan Plateau Research, Chinese Academy of Sciences, 5.University of Chinese Academy of Sciences)

5:15 PM - 7:15 PM

*Yoshiyuki Tanaka1, Ryuichi Nishiyama2, Akito Araya2, Kohei Hotta3, Hiromu Sakaue1, Taisei Takata1, Kazuma Nakakoji1, Takuya NISHIMURA4, Yoshihiro Hiramatsu5, Akihiro Sawada5 (1.Department of Earth and Planetary Science, The University of Tokyo, 2.Earthquake Research Institute, The University of Tokyo, 3.School of Sustainable Design, Toyama University, 4.Disaster Prevention Research Institute, Kyoto University, 5.Institute of Science and Engineering, Kanazawa University)

5:15 PM - 7:15 PM

*Louisa Bagot1, Bogdan Enescu1, Shiro Ohmi2, Masatoshi Miyazawa2, Tetsuya Takeda3 (1.Department of Geophysics, Graduate School of Science, Kyoto University, Kyoto, Japan, 2.Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan, 3.National Institute for Earth Science and Disaster Resilience, Tsukuba, Japan)

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