JpGU-AGU Joint Meeting 2026

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[E] Oral

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

[S-CG63] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

Mon. May 25, 2026 9:00 AM - 10:30 AM 301A (International Conference Hall, Makuhari Messe)

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

9:30 AM - 9:45 AM

[SCG63-03] Lithology-dependent deformation in the Japan Trench controlled by
amorphous silica and clay content

*Rina Fukuchi1, Jun Kameda2, Kohtaro Ujiie3, Zhao Yang4, Shota Mita3, Minoru Ikehara5, Asuka Yamaguchi4 (1. Naruto university of Education, 2. Institute for Planetary Materials, Okayama University, 3. University of Tsukuba, 4. Atmosphere and Ocean Research Institute, the University of Tokyo, 5. Kochi University)

Keywords:Japan Trench, International Ocean Discovery Program, IODP Expedition 405, Smectite