Spatial Relationship of Shallow Slow Earthquake and Strong Negative Velocity Impedance in the Western Nankai Subduction Zone

Yasunori Sawaki1, Yusuke Yamashita2, Shukei Ohyanagi1, Emmanuel Garcia2, Aki Ito3, Hiroko Sugioka4, Tsutomu Takahashi3, Masanao Shinohara5 and Yoshihiro Ito2, (1)Kyoto University, Graduate School of Science, Kyoto, Japan, (2)Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (4)Kobe University, Graduate School of Science, Kobe, Japan, (5)University of Tokyo, Bunkyo-ku, Japan