*Weiren Lin1,2, Osamu Tadai3, Masataka Kinoshita4, Jun Kameda5, Wataru Tanikawa2, Takehiro Hirose2, Yohei Hamada2, Osamu Matsubayashi6
(1.Graduate School of Engineering, Kyoto University, 2.Kochi Institute for Core Sample research, Japan Agency for Marine-Earth Science and Technology, 3.Marin Works Japan LTD, 4.Earthquake Research Institute, The University of Tokyo, 5.Graduate School of Science, Hokkaido University, 6.Institute for Geo-Resources and Environment, National Institute of Advanced Industrial Science and Technology)