JpGU-AGU Joint Meeting 2026

セッション情報

[E] ポスター発表

セッション記号 S (固体地球科学) » S-CG 固体地球科学複合領域・一般

[S-CG56] Science of Slow and Fast Earthquakes

2026年5月27日(水) 17:15 〜 19:00 ポスター会場 (幕張メッセ国際展示場 7・8ホール)

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 and 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? What geological and geophysical structural differences distinguish slow earthquakes from fast ones? To answer these fundamental questions, it is particularly important to proceed further global and interdisciplinary research through the integration of geophysics, seismology, geodesy, geology, and physics. Advancements in measurement technology, the application of information science and statistical methods to seismic big data, and the utilization of high-performance computing are required as key ingredients in accelerating the integration. In addition, various subduction zone phenomena, including earthquakes, volcanic eruptions, and surface processes , often occur as a cascading series of events, necessitating a system-wide, integrative approach. This session encourages presentations shedding light on geophysical observations, data analysis, field studies, laboratory experiments, numerical modeling, and theoretical studies, as well as comparative investigations across onshore fault zones and multiple subduction systems. We also welcome contributions from cutting-edge science and technology fields that explore development of novel measurements, data-driven analysis, and large-scale computation that are relevant to our understanding of slow and fast earthquakes and other subduction zone phenomena. This session is organized by the JpGU Science of Slow and Fast Earthquake Focus Group and the SZ4D initiative.

17:15 〜 19:00

XIAOLONG ZHANG1,2, *Shaoyang Li1, Yuji Itoh3, JI ZHANG3, Aitaro Kato3, ling chen1,2 (1. State Key Laboratory of Lithospheric and Environmental Coevolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, 2. University of Chinese Academy of Sciences, Beijing, China, 3. Earthquake Research Institute, The University of Tokyo, Tokyo, Japan)

17:15 〜 19:00

*Lorenzo Petracchini1, Stefano Tavani2,1, Marco Brandano3,1, Eugenio Carminati3, Claudio Chiarabba4, Alessia Conti1, Roberto Devoti4, Paolo Galli5,1, Mimmo Palano6, Giuseppe Pezzo4, Laura Scognamiglio4, Elisa Tinti3,4, Andrea Billi1 (1. CNR-IGAG, 2. UNIFI, 3. Sapienza-DST, 4. INGV, 5. DPC, 6. UniPa-DiSTeM)

17:15 〜 19:00

N. Gombodorj1, M. J. Dehghan1, A. Dorjsuren1, A. H. Najafabadi1, Jeong Woo Kim1, *John J. Oh2, Edwin J. Son2, whansun kim2, JeongCho Kim2, Yoshihiro Ito3, Airy Nagaoka3, Ik Woo4 (1. Dept. of Geomatics Engineering, University of Calgary, Alberta, Canada, 2. National Institute for Mathematical Sciences, Korea, 3. Disaster Prevention Research Institute, Kyoto University, Japan, 4. Dept. of Marine Construction Engineering, Kunsan National University, Korea)

17:15 〜 19:00

Mohammad Javad Dehghan1, Naraa Gombodorj1, Ankhaa Dorjsuren1, Arezou Hadi Najafabadi1, Jeong Woo Kim1, John J. Oh2, *Edwin J. Son2, Hwansun Kim2, JeongCho Kim2, Yoshihiro Ito3, Airi Nagaoka3, Ik Woo4 (1. Dept. of Geomatics Engineering, University of Calgary, Alberta, Canada, 2. National Institute for Mathematical Sciences, 3. Disaster Prevention Research Institute, Kyoto University, Japan, 4. Dept. of Marine Construction Engineering, Kunsan National University, Korea)

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