Heterogeneous Structure in the incoming Philippine Sea plate along the southwestern Nankai Trough

Ayako Nakanishi1, Yojiro Yamamoto1, Mikiya Yamashita1, Gou Fujie1, Seiichi Miura1, Shuichi Kodaira2 and Yoshiyuki Kaneda3, (1)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (2)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (3)Nagoya University, Nagoya, Japan