JpGU-AGU Joint Meeting 2026

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S (Solid Earth Sciences ) » S-SS Seismology

[S-SS09] From Precursors to Recovery: Evolving insights into the 2011 Mw 9.0 Tohoku-oki Earthquake

Thu. May 28, 2026 9:00 AM - 10:30 AM 201B (International Conference Hall, Makuhari Messe)

Chairperson:Yoshioka Shoichi(Research Center for Urban Safety and Security, Kobe University), Govers Rob(Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Utrecht, the Netherlands)

9:45 AM - 10:00 AM

[SSS09-04] Fifteen-Year Aftershock Evolution of the 2011 Great Tohoku Earthquake: Rapid Shutdown in the High-Slip Core and Activation in the Surrounding Corona

*Shinji Toda1, Ross S Stein2 (1. International Research Institute of Disaster Science, Tohoku University, 2. Temblor, Inc.)

Keywords:great Tohoku earthquake, Coulomb stress change, seismicity, aftershock activity