The 2026 SSJ Fall Meeting
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Room CRegular session : S09. Seismicity

[S09]Seismicity

Wed. Nov 4, 2026 4:15 PM - 5:30 PM JST
Wed. Nov 4, 2026 7:15 AM - 8:30 AM UTC
Room C (9F)
chairperson: Tomomi OKADA (Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University), Jiancang ZHUANG (The Institute of Statistical Mathematics)
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[S09-01]How Predictable Should an Earthquake Forecasting Model Be? Model-Intrinsic versus Realized Predictability

*Jiancang ZHUANG1 (1. The Institute of Statistical Mathematics)
4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[S09-02]Spatiotemporal analysis of seismicity changes associated with major inland earthquakes using the ETAS model

*Harumi Uchida1, Tomomi Okada1, Ryotaro Fujimura1, Ayaka Tagami2,1, Tomoaki Nishikawa3 (1. Graduate School of Science, Tohoku University, 2. National Institute of Advanced Industrial Science and Technology, 3. Disaster Prevention Research Institute, Kyoto University)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[S09-03]Stress Field of the San'in Seismic Belt—Based on Dense Seismic Observations—

*Yoshihisa IIO1, San'in JIshintai Chumitsu jishin kansoku group2 (1. Kyoto University Disaster Prevention Research Institute, NPO Abuyama, and Tohoku University Graduate School of Science, 2. San'in Earthquake Zone Dense Seismic Observation Group)
5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[S09-04]Deep Earthquake Swarm in Northern Yamaguchi Prefecture

*Yoko Kono1, Aitaro Kato1, Ji Zhang1, Takumi Takahashi1, Kazutoshi Imanishi2, Yuta Amezawa2, Sumire Maeda2, Naofumi Aso3, Tomoaki Nisikawa4 (1. Earthquake Research Institute, the University of Tokyo, 2. National Institute of Advanced Industrial Science and Technology, 3. Tokyo University of Science, 4. Disaster Prevention Research Institute, Kyoto University)
5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[S09-05]Crustal deep seismic swarm and seismic velocity structure in northern Yamaguchi Prefecture, SW Japan (2)

*Tomomi OKADA1, Masatoshi Miyazawa2, Tomoaki Nishikawa2, Takuya Nishimura2, Airi Nagaoka2, Rintaro Miyamachi2, Shiro Ohmi2, Satoshi Matsumoto3, Ryota Takagi1, Yuta Amezawa4 (1. Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2. Disaster Prevention Research Institute, Kyoto University, 3. Graduate School of Science, Kyushu University, 4. Geological Survey of Japan, AIST)
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