*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)

*Tomoko Takahashi^1,5, Eiji Tasumi¹, Wataru Takahagi^2,1, Akiko Makabe¹, Koudai Taguchi³, Shotaro Tagawa^3,1, Blair Thornton^4,5, Ken Takai¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Rensselaer Polytechnic Institute, 3.Tokyo Institute of Technology, 4.University of Southampton, 5.The University of Tokyo)