Seismic Structure of the Southern Okinawa Trough: Evidence of Symmetrical Rifting and Back-arc Volcanism

Ryuta Arai1, Shuichi Kodaira2, Yuka Kaiho3, Tsutomu Takahashi3, Seiichi Miura3 and YoshiYuki Kaneda1, (1)JAMSTEC, Yokohama, Japan, (2)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan