[S22] 80 Years after the 1946 Showa Nankai Earthquake: Achievements and Challenges in Nankai Trough Earthquake Research | The 2026 SSJ Fall Meeting

Session Details

Room ASpecial session : S22. 80 Years after the 1946 Showa Nankai Earthquake: Achievements and Challenges in Nankai Trough Earthquake Research

[S22]80 Years after the 1946 Showa Nankai Earthquake: Achievements and Challenges in Nankai Trough Earthquake Research

Thu. Nov 5, 2026 3:45 PM - 5:15 PM JST
Thu. Nov 5, 2026 6:45 AM - 8:15 AM UTC

Room A (5F)

chairperson: Takanori MATSUZAWA (National Research Institute for Earth Science and Disaster Resilience), Takane HORI (Japan Agency for Marine-Earth Science and Technology)

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

[S22-19]Numerical modeling of SSEs during seismic cycles of megathrust earthquakes in Nankai -Achievements and challenges-

*Takanori MATSUZAWA¹, Bunichiro Shibazaki² (1. National Research Institute for Earth Science and Disaster Resilience, 2. Building Research Institute)

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

[S22-20]Numerical Modeling of Deep Short-term Slow Slip Events in Shikoku, Southwest Japan, Incorporating Interplate Coupling

*Sorato Nishioka^1,2, Makiko Ohtani¹, Suguru Yabe², Masayuki Kano³ (1. Graduate School of Science, Kyoto University, 2. Geological Survey of Japan, AIST, 3. Disaster Prevention Research Institute, Kyoto University)

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

[S22-21]A quarter century of earthquake cycle simulation research: Evolution and future perspectives

*Fuyuki HIROSE¹ (1. Seismology and Tsunami Research Department, Meteorological Research Institute)

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[S22-22]Data Assimilation-Based Prediction of Nankai Trough Earthquake Intervals: Viscoelastic Structure and Seafloor Strain

*Sota Murakami¹, Ryota Kaneko², Yoshihisa Hiyoshi², Takane Hori¹, Kohei Fujita², Tsuyoshi Ichimura², Takeshi Iinuma¹ (1. Japan Agency for Marine-Earth Science and Technology, 2. Earthquake Research Institute, the University of Tokyo)

4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[S22-23]Before Great Nankai Trough Earthquakes: Retrospective Monitoring and Probabilistic Forecasting

*Yosihiko OGATA¹ (1. The Institute of Statistical Mathematics)

5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[S22-24]Stress states and megaquake proximity off Tohoku, off Hokkaido, and along the Nankai Trough inferred from b-values

*Kazuyoshi NANJO¹, Takane Hori² (1. University of Shizuoka, 2. Japan Agency for Marine-Earth Science and Technology)

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