*manaka kuroda¹, Tada-nori Goto¹, Hiroshi Ichihara², Tetsuo Matsuno³, Takafumi Kasaya⁴ (1.University of Hyogo, 2.Nagoya University, 3.Kobe University, 4.JAMSTEC)

*Tetsuo Matsuno¹, Kiyoshi Baba² (1.Kobe Ocean-Bottom Exploration Center, Kobe University, 2.Earthquake Research Institute, The University of Tokyo)

*Takumi Obata¹, Masamitsu Araki¹, Toki Hirose¹, Tetsuo Matsuno², Takuto Minami¹, Hironori Otsuka², Yoshiyuki Tatsumi², Hiroko Sugioka^2,1, Takeshi Hanyu³, Satoru Tanaka³, Hiroshi Ichihara⁴, Nobukazu Seama^1,2 (1.Department of Planetology, Graduate School of Science, Kobe University, 2.Kobe Ocean-Bottom Exploration Center, Kobe University, 3.Japan Agency for Marine-Earth Science and Technology, 4.Graduate School of Environmental Studies, Nagoya University)

*Akihiro Nagaya¹, Gou Fujie², Shuichi Kodaira², Satoru Tanaka², Yojiro Yamamoto², Hiroko Sugioka^3,1, Hiroki Miyamachi⁴, Tetsuo Matsuno³, Hironori Otsuka³, Keita Suzuki⁵, Nobukazu Seama^1,3 (1.Department of Planetology, Graduate School of Science, Kobe University, 2.Japan Agency for Marine-Earth Science and Technology, 3.Kobe Ocean-Bottom Exploration Center, Kobe University, 4.Graduate School of Science and Engineering, Kagoshima University, 5.Nippon Marine Enterprises, Ltd)