[S-SS12] Statistical seismology and underlying physical processes

Thu. May 29, 2025 9:00 AM - 10:30 AM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

convener:Keita Chiba(Association for the Development of Earthquake Prediction), Nana Yoshimitsu(Kyoto University), Chairperson:Yasunori Sawaki(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Ayaka Tagami(Hokkaido University)

This session aims to improve our understanding on seismicity. Any contribution on behavior of earthquakes as a cluster, such as regional seismicity and aftershocks, are welcomed. We also welcome contribution on temporal and spatial interactions that control seismicity, and tectonic processes, and geological and thermal structures that regulate seismicity.

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9:00 AM - 9:15 AM

[SSS12-13] Linear Structure Observed in Shallow Volcanic Swarms near Izu Oshima

*Hinako Arakawa¹, Naofumi Aso¹ (1.TOKYO UNIVERSITY OF SCIENCE)

9:15 AM - 9:30 AM

[SSS12-14] Stress field in eastern part of Hokkaido

*Ayaka Tagami^1,2, Hiroaki Takahashi¹, Mako Ohzono¹, Tomomi Okada², Kazunari Nawa³, Ryotaro Fujimura², Harumi Uchida² (1.Hokkaido University, 2.Tohoku University, 3.National Institute of Advanced Industrial Science and Technology)

9:30 AM - 9:45 AM

[SSS12-15] Relationship between the fault rupture processes for small earthquakes and the systematic differences between moment and local magnitude

*Masaki Orimo¹, Keisuke Yoshida¹, Toru Matsuzawa¹, Akira Hasegawa¹, Mare Yamamoto¹ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku Universtiy)

9:45 AM - 10:00 AM

[SSS12-16] Seismic Activity in the M7-Class Repeating Earthquake Zone of the Southern Hyuga-nada Using the Double-Difference Method

*Issei Hirata¹, Yusuke Yamashita², Takeshi Matsushima³, Yukihiro Nakatani⁴, Shuichiro Hirano⁴, Hiroshi Yakiwara⁴, Kazuo Nakahigashi⁵, Kentaro Emoto³, Satoshi Matsumoto³, Shukei Ohyanagi², Yoshihiro Ito², ChingYu Hu⁶, Tomoaki Yamada⁶, Masanao Shinohara⁶ (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Institute of Seismology and Volcanology, Faculty of Science, Kyushu University, 4.Kagoshima University, 5.Department of Marine Resources and Energy, Tokyo University of Marine Science and Technology, 6.Earthquake Research Institute, the University of Tokyo)

10:00 AM - 10:15 AM

[SSS12-17] Spatio-temporal variation in seismic activity around the source areas of the 2021 and 2022 M7 intraslab earthquakes off Fukushima Prefecture

*Ryo Osawa¹, Ryota Hino¹, Keisuke Yoshida¹, Miku Ohtate¹, Yusaku Ohta¹ (1.Graduate School of Science, Tohoku University)

10:15 AM - 10:30 AM

[SSS12-18] Intraslab reverse faulting adjacent to the hypocenter of the 1923 Kanto earthquake: The Mw 5.0 western Kanagawa earthquake on 9 August 2024

*Yasunori Sawaki¹, Takahiro Shiina¹, Takahiko Uchide¹ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

Session information