Japan Geoscience Union Meeting 2025

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[E] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

Mon. May 26, 2025 10:45 AM - 12:15 PM 105 (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Shuichi Kodaira(Japan Agency for Marine-Earth Science and Technology), Kohtaro Ujiie(Faculty of Life and Environmental Sciences, University of Tsukuba)

12:00 PM - 12:15 PM

[SCG46-12] Uncovering mechanism of massive shallow coseismic slip without significant stress drop in 2011

*Ryota Hino1, Koichiro Obana2, Takeshi Iinuma2, Tatsuya Kubota3 (1. Graduate School of Science, Tohoku University, 2. JAMSTEC, 3. National Research Institute for Earth Science and Disaster Resilience)

Keywords:2011 Tohoku-Oki Earthquake, Japan Trench, Microseismicity, Postseismic deformation