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

[SCG63-P08] In-situ DCDA crustal stress measurement in southwestern Japan area - Case studies at NIED Hi-net observation wells in Hyogo, Hiroshima, Yamaguchi, Kagawa and Kyoto prefectures

*Kentaro Omura¹ (1. National Research Institute for Earth Science and Disaster Resilience)

Keywords:in-situ crustal stress, DCDA method, borehole, rock core, southwestern Japan