*Tetsuo Matsuno^1,2, Yoshiyuki Tatsumi^1,2, Nobukazu Seama^2,1, Keiko Suzuki-Kamata^1,2, Hiroshi Ichihara^3,1, Koji Kiyosugi^4,1, Reina Nakaoka¹, Satoshi Shimizu¹, Mamoru Sano¹, Hikaru Iwamaru¹, Haruhisa Morozumi¹, Hiroko Sugioka^2,1, Kazuo Nakahigashi^5,1, Yojiro Yamamoto⁶, Kazuki Hayashi², Kimihiro Nishimura², Yuka Furukawa², Misaki Horiuchi², Daichi Nakata⁷, Ryoto Nakamura⁷, Hirose Toki⁸, Yasutomo Seto⁸, Atsuhiro Oshige⁹, Hideaki Takizawa¹⁰, Tatsuro Chiba¹¹, Shuichi Kodaira⁶ (1.Kobe Ocean Bottom Exploration Center, Kobe University, 2.Department of Planetology, Graduate School of Science, Kobe University, 3.Graduate school of environmental studies, Nagoya University, 4.Organization of Advanced Science and Technology, Kobe University, 5.Tokyo University of Marine Science and Technology, 6.Japan Agency for Marine-Earth Science and Technology, 7.Division of Marine Engineering, Graduate School of Maritime Sciences, Kobe University, 8.Department of Planetology, Faculty of Science, Kobe University, 9.Department of Marine Engineering, Faculty of Maritime Sciences, Kobe University, 10.Johnny & Associates, Inc, 11.Asia Air Survey Co., Ltd.)

*Kimihiro Nishimura¹, Yoshiyuki Tatsumi², Keiko Suzuki-Kamata², Jun-Ichi Kimura³, Qing Chang³, Koji Kiyosugi⁴, Reina NAKAOKA², Kazuki Hayashi¹ (1.Graduate School of Science, Kobe University, 2.Kobe Ocean-Bottom Exploration Center, Kobe University, 3.JAMSTEC, 4.Organization of Advanced Science and Technology, Kobe University)

*Satoshi Shimizu^1,2, Hikaru Iwamaru^1,2, Nobukazu Seama^6,1, Tetsuo Matsuno^1,6, Hiroshi Ichihara^3,1, Mamoru Sano^1,2, Hiroko Sugioka^6,1, Kazuo Nakahigashi^5,1, Yojiro Yamamoto⁴, Kimihiro Nishimura⁶, Yuka Furukawa⁶, Misaki Horiuchi⁶, Toki Hirose⁷, Yasutomo Seto⁷, Yoshiyuki Tatsumi^1,6 (1.Ocean-Bottom Exploration Center, Kobe University, 2.Nippon Marine Enterprises, Ltd., 3.Earthquake and Volcano Research Center Graduate School of Environmental Studies, Nagoya University, 4.R&D Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and technology, 5.Department of Marine Resources and Energy, Tokyo University of Marine Science and Technology, 6.Department of Planetology, Graduate School of Science, Kobe University, 7.Department of Planetology, Faculty of Science, Kobe University)

*Ayumu Nishihara¹, Yoshiyuki Tatsumi^2,1, Keiko Suzuki-Kamata^2,1, Katsuya Kaneko¹, Jun-Ichi Kimura³, Qing Chang³, Hironobu Hinata⁴ (1.Department of Planetology, Graduate School of Science , Kobe University, 2.Kobe Ocean-Bottom Exploration Center, 3.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 4.Kobe Municipal Tarumi Junior High School)

*Masao Ban¹, Jun-Ichi Kimura², Toshiro Takahashi³, Yuka Uzawa⁴, Tsukasa Ohba⁵, Akihiko Fujinawa⁶, Shintaro Hayashi⁵, Takeyoshi Yoshida⁷, Takashi Miyazaki², Qing Chan², Ryoko Senda⁸, Bogdan S Vaglarov², Yoshiyuki Tatsumi⁹ (1.Yamagata Univ., 2.JAMSTEC, 3.Niigata Univ., 4.Chiba Institute of Technology, 5.Akita Univ., 6.Ibaraki Univ., 7.Tohoku Univ., 8.Kyushu Univ., 9.Kobe Univ.)