[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 2:00 PM - 3:30 PM JST
Thu. Nov 5, 2026 5:00 AM - 6:30 AM UTC

Room A (5F)

chairperson: Makoto OKUBO (Kochi University), Akemi NODA (Geological Survey of Japan, AIST)

2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[S22-13][Invited]Evaluation of the Recurrence History of Nankai Trough Megathrust Earthquakes and Development of Future Earthquake Scenarios

*Kentaro IMAI¹, Toshiya Kanamatsu¹, Ken Ikehara², Masanobu Shishikura², Yuichi Namegaya², Tatsuhiko Saito³, Tatsuya Kubota³, Takane Hori¹ (1. JAMSTEC, 2. AIST, 3. NIED)

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[S22-14]Rupture Process Deduced from Historical Documents Describing Ground Motion during the Nankai Earthquakes

*Yoshiko YAMANAKA¹ (1. Nagoya Univ.)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[S22-15]Reexamination of the List of Tsunami-Affected Coastal Settlements in Boso during the 1605 Keicho Tsunami

*Yuichi NAMEGAYA¹, Kei Ioki¹, Kentaro Imai² (1. AIST, 2. JAMSTEC)

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[S22-16]Spatiotemporal behavior of the coupling state at the plate interface along the Nankai Trough as observed from SGO-A

*Yusuke YOKOTA¹, Shun-ichi Watanabe³, Koya Nagae³, Yuto Nakamura³, Akemi Noda⁴, Tadashi Ishikawa² (1. Institute of Industrial Science, University of Tokyo, 2. Japan Coast Guard Academy, 3. Hydrographic and Oceanographic Department, Japan Coast Guard, 4. National Institute of Advanced Industrial Science and Technology)

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[S22-17]Energy-based Scenarios for Nankai Trough Megathrust Earthquakes: Significance of Aseismic Slip Monitoring

*Akemi NODA¹, Tatsuhiko SAITO² (1. Geological Survey of Japan, AIST, 2. National Research Institute for Earth Science and Disaster Resilience)

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

[S22-18]Machine-learning detection of slow slip events along the Nankai Trough, through joint analysis of seismic and geodetic data

*Kazuki OHTAKE¹, Aitaro KATO¹, Yutaro OKADA², Takuya NISHIMURA³ (1. Earthquake Research Institute, The University of Tokyo, 2. Uehiro Disaster Risk Reduction Research Division, International Research Institute of Disaster Science, Tohoku University, 3. Disaster Prevention Research Institute, Kyoto University)

Back to Category List