13:45 〜 14:00 [SSS08-07] Comparison of the initial rupture processes between the Mw 6.2 mainshock and the Mw 4.1 largest foreshock of the central Tottori earthquake on October 21, 2016 *野田 俊太1、Ellsworth William2 (1.公益財団法人鉄道総合技術研究所、2.スタンフォード大学)