*Akane Yamamoto^1,2, Makoto Otsubo², Hiroaki Koge², Kazutoshi Imanishi² (1.Graduate School of Integrated Basic Sciences, Nihon University, 2.Geological Survey of Japan, AIST)

*Kanji Tatsumi¹, Akira Ijiri¹, Ryu Uemura², Makoto Otsubo³, Minoru Ikehara⁴, Asuka Yamaguchi⁵ (1.Kobe Univ., 2.Nagoya Univ., 3.Geological Survey of Japan, AIST, 4.Kochi Univ., 5.Tokyo Univ.)

*Makoto Otsubo¹, Masataka Kinoshita², Minoru Ikehara³, Ryuta Arai⁴, Ayanori Misawa¹, Hiroaki Koge¹, Katsura Kameo⁵, Chiori Tamura⁵, Ryoji Toda⁵, Stephen P. Obrochta⁶, Takanori Kagoshima⁷, Tomohiro Toki⁸, Daisuke Kuwano⁹, Seiya Fujishima⁹, Akane Yamamoto^1,10, Natsuki Nomura¹¹, Aya Osanai¹¹, Keita Kono¹¹, Issui Ikuma¹¹, Chika Onai¹², Yusei Miyamoto¹², Yuka Taira⁸, Yu Miyagi⁸, Soma Sato⁶, Michelle M. Nishimoto^13,1, Yukihiko Nakano¹⁴, Hikaru Iwamaru¹⁵, Yu Suzuki¹⁶ (1.Geological Survey of Japan, AIST, 2.ERI, The University of Tokyo, 3.Marine Core Research Institute, Kochi University, 4.JAMSTEC, 5.AORI, The University of Tokyo, 6.Akita University, 7.Toyama University, 8.The University of Ryukyus, 9.Kyoto University, 10.Nihon University, 11.Kochi University, 12.Chiba University, 13.Japan Women's University, 14.Marine Works Japan Ltd., 15.Nippon Marine Enterprises, Ltd., 16.MOL Marine & Engineering Co., Ltd.)

*Ryuta Arai¹, Ayanori Misawa², Makoto Otsubo², Akane Yamamoto^3,2, KH-23-11 shipboard scientists (1.Japan Agency for Marine-Earth Science and Technology, 2.Geological Survey of Japan, AIST, 3.Nihon University)

*Hiroaki Koge¹, Taichi Sato¹, Jun Arimoto¹, Makoto Otsubo¹, Saki Ishino¹, Yoshiaki Suzuki¹, Osamu Ishizuka¹, Takahiko Inoue¹, Mikiya Yamashita¹, Seishiro Furuyama², Yuka Yokoyama³, Hiroki Minami⁴, Chiori Tamura⁵ (1.Geological Survey of Japan, AIST, 2.Tokyo University of Marine Science and Technology, 3.Tokai University, 4.Japan Coast Guard, 5.Atmosphere and Ocean Research Institute, The University of Tokyo)

Daisuke Kuwano¹, *Seiya Fujishima¹, Minoru Ikehara², Stephen Obrochta³, Makoto Otsubo⁴, Masataka Kinoshita⁵, KH-23-11 Shipboard Scientists (1.Kyoto University, 2.Marine Core Research Institute, Kochi University, 3.Akita University, 4.Geological Survey of Japan, Research Institute of Earthquake and Volcano Geology, 5.Earthquake Research Institute, University of Tokyo)

*Ayanori Misawa¹, Ryuta Arai², Akane Yamamoto³, Katsura Kameo⁴, Ryoji Toda⁴, Hikaru Iwamaru⁵, Makoto Otsubo¹, KH-23-11 Shipboard Scientists (1.Geological Survey of Japan, AIST, 2.Japan Agency for Marine-Earth Science and Technology , 3.Nihon University, 4.Atmosphere and Ocean Research Institute, The University of Tokyo, 5.Nippon Marine Enterprises, Ltd.)

*Masataka Kinoshita¹, Makoto Otsubo², Ayanori Misawa², KH-23-11 Science Party -, KS-24-11 Science Party - (1.Earthquake Research Institute, University of Tokyo, 2.Geological SUrvey of Japan, AIST)

*Michelle M. Nishimoto^1,2, Hiroaki Koge², Chiori Tamura³, Yu Suzuki⁵, Makoto Otsubo², Masataka Kinoshita⁴, KH-23-11 Shipboard Scientists (1. Japan Women's University, 2.Geological Survey of Japan, AIST, 3.AORI, The University of Tokyo, 4.ERI, The University of Tokyo, 5.MOL Marine & Engineering Co., Ltd.)

*Tomohiro Toki^1,2, Yu Miyagi¹, Yuka Taira¹, Kae Miyazato¹, Takanori Kagoshima³, Akira Ijiri⁴, Yusuke Miyajima⁵, Ryuichi Shinjo^1,2, Makoto Otsubo⁵, Masataka Kinoshita⁶, KH-23-11 Shipboard Scientists (1.Faculty of Science, University of the Ryukyus, 2.RIHN, 3.Toyama University, 4.Kobe University, 5.AIST, 6.ERI)

*Chika Onai¹, Koji Kameo¹, Daisuke Kuwano², Makoto Otsubo³, Masataka Kinoshita⁴, KH-23-11 shipboard scientists (1.Chiba University , 2.Kyoto University, 3.Geological Survey of Japan, AIST, 4.ERI, The University of Tokyo)

*Makoto Otsubo¹ (1.Geological Survey of Japan, Research Institute of Earthquake and Volcano Geology)