Akinori Hashima, University of Tokyo, Bunkyo-ku, Japan, Andrew Mark Freed, Purdue Univ, West Lafayette, IN, United States, Thorsten W Becker, University of Texas at Austin, Austin, TX, United States, Tatsuya Ishiyama, Earthquake Research Institute, The University of Tokyo, Tokyo, Japan and Hiroshi Sato, Univ Tokyo, Tokyo, Japan