17:15 〜 18:45 [SCG40-P30] Abrupt host rock fragmentation induced by fluid phase transition during fault slip and its impact on earthquake energy partitioning *奥田 花也1、谷川 亘1、濱田 洋平1、岡崎 啓史2,1、Bedford John3、廣瀬 丈洋1 (1.海洋研究開発機構 高知コア研究所、2.広島大学 地球惑星システム学プログラム、3.Department of Earth, Ocean and Ecological Sciences, University of Liverpool)