[S23] Toward Understanding the Generation Mechanisms of Earthquake Swarms | The 2025 SSJ Fall Meeting

Session Details

Room BSpecial session : S23. Toward Understanding the Generation Mechanisms of Earthquake Swarms

[S23]Toward Understanding the Generation Mechanisms of Earthquake Swarms

Tue. Oct 21, 2025 3:15 PM - 4:30 PM JST
Tue. Oct 21, 2025 6:15 AM - 7:30 AM UTC

Room B(409+410)

chairperson:Aitaro KATO(Earthquake Research Institute, the University of Tokyo), Tomomi OKADA(Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University)

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[S23-14]FAMT analysis and hypocenter relocation of earthquakes in the Tokara Islands

*Masanao Komatsu¹, Hiroshi Takenaka², Taro Okamoto³, Youichi Asano⁴, Hiroshi Yakiwara⁵, Shuichiro Hirano⁵ (1. Okayama Gakuin University, 2. Okayama University, 3. Institute of Science Tokyo, 4. National Research Institute for Earth Science and Disaster Resilience, 5. Kagoshima University)

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[S23-15]Stress Monitoring of the 2025 Earthquake Swarm off the Tokara Islands Using Focal Mechanism Solutions

*Kazutoshi IMANISHI¹, Suguru Yabe¹, Aitaro Kato², Hiroshi Yakiwara³ (1. Geological Survey of Japan, AIST, 2. ERI, University of Tokyo, 3. Kagoshima University)

3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[S23-16]Transient crustal deformation synchronous with the 2025 earthquake swarm off the Tokara Islands

*Yutaro OKADA¹, Yusaku Ohta², Miku Ohtate², Yoshiaki Ito², Mako Ohzono³, Shigeru Nakao⁴ (1. International Research Institute of Disaster Science, Tohoku University, 2. Graduate School of Science, Tohoku University, 3. Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University, 4. Graduate School of Science and Engineering, Kagoshima University)

4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[S23-17]Migration of hypocenter clusters and aftershock-like decay during the 2025 Tokara Islands seismic swarm

*Shinji TODA¹ (1. International Research Institute of Disaster Science, Tohoku University)

4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[S23-18]Comparison of Seismic Swarm Activity in the Central and Southern Okinawa Trough Using Template Matching

*Yuji Abe^3,1, Mamoru NAKAMURA^1,2 (1. Faculty of Science, University of the Ryukyus, 2. Disaster Prevention Research Center for Island Region, University of the Ryukyus, 3. APPLIED TECHNOLOGY CO.,LTD.)

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