*Jin-Oh Park¹, Asuka Yamaguchi¹, Chiori Tamura¹, Katsura Kameo¹, Hideo Ishigaki¹, YUE SUN¹, Yuqi Lyu¹, Noboru Yamakawa¹, Jumpei Yoshioka¹, Seitaro Ono¹, Yuning Zeng¹, Ayanori Misawa², Tetsuo No³, Kusumoto Satoshi³, Hironori Otsuka⁴, Atsushi Matsuoka⁵, Rina Fukuchi⁶, Takuya Sagawa⁷, Yoichi Usui⁷, Taro Arikawa⁸, Takanori Kagoshima⁹, JING ZHANG⁹, Shimpei Ohtsuka⁹, Michael Julian Haryanto⁹, Tomohiro Toki¹⁰, Takahisa Maekura¹⁰, Zahra Zandvakili¹¹, Yudai Kobayashi¹², Tomoharu Senjyu¹³, Akie Sakai¹³, Yoshiki Horiuchi¹⁴, Hikaru Iwamaru¹⁴, Yusuke Sato¹⁵, Yu Suzuki¹⁶ (1.AORI, 2.AIST, 3.JAMSTEC, 4.KOBEC, 5.Niigata University, 6.Naruto University of Education, 7.Kanazawa University, 8.Chuo University, 9.University of Toyama, 10.University of the Ryukyus, 11.Kochi University, 12.Kobe University, 13.Kyushu University, 14.NME, 15.MWJ, 16.MOLMEC)

*Takanori Kagoshima¹, Yume Kawamoto¹, Tomoaki Morishita², Naoto Takahata³, Yuji Sano⁴, Yoshihiro Hiramatsu² (1.University of Toyama, 2.Kanazawa University, 3.The University of Tokyo, 4.Kochi University)

*Shimpei Ohtsuka¹, JING ZHANG¹, Asuka Yamaguchi², Rina Fukuchi³, Tomoharu Senjyu⁴, Go-Ichiro Uramoto⁵, Hyoe Takata⁶, Hirofumi Tazoe⁷, Takuya Sagawa⁸, Yoichi Usui⁸, Atsushi Matsuoka⁹, Hironori Otsuka¹⁰, Seitaro Ono², Kyoko Okino², Takanori Kagoshima¹, Jin-Oh Park² (1.University of Toyama, 2.University of Tokyo, 3.Naruto University of Education, 4.University of Kyushu, 5.University of Kochi, 6.University of Fukushima, 7.University of Hirosaki, 8.University of Kanazawa, 9.University of Niigata, 10.University of Kobe)

*Hironori Otsuka¹, Tetsuo No², Ayanori Misawa³, Seitaro Ono⁴, Chiori Tamura⁴, Yu Suzuki⁵, Noboru Yamakawa⁴, Takanori Kagoshima⁶, JING ZHANG⁶, Tomoharu Senju⁷, Asuka Yamaguchi⁴, Hiroaki Koge³, Jin-Oh Park⁴ (1.Kobe University, 2.Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 3.Geological Survey of Japan, AIST, 4.Atmosphere and Ocean Research Institute, The University of Tokyo, 5.MOLMEC, 6.University of Toyama, 7.Kyushu University)

*Yuji Sano¹, Maolaing Zhang², Tomohiro Toki³, Rina Fukuchi⁴, Takanori Kagoshima⁵, Naoto Takahata⁶, Jin-Oh Park⁶, Asuka Yamaguchi⁶ (1.Marine Core Research Institute, Kochi University , 2.School of Earth Ssytem Science, Tianjin University , 3.Faculty of Science, University of the Ryukyus, 4.Graduate School of Education, 5.Faculty of Science, University of Toyama , 6.Atmosphere and Ocean Research Institute)

*AITI CHEN¹, Hsiaofen Lee², Yuji Sano³, Takanori Kagoshima⁴, Naoto Takahata⁵, Cheng-Horng Lin⁶, Ching-Hua Lo¹ (1.Department of Geosciences, National Taiwan University, Taipei, Taiwan, 2.National Center for Research on Earthquake Engineering, National Applied Research Laboratories, Taipei, Taiwan, 3.Center for Advanced Marine Core Research, Kochi University, Nankoku, Japan, 4.Graduate School of Science and Engineering, University of Toyama, Toyama, Japan, 5.Atmosphere and Ocean Research Institute, University of Tokyo, Kashiwa, Japan, 6.Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan)

*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.)

*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)

*Shimpei Ohtsuka¹, Jing Zhang¹, Takanori Kagoshima¹, Akihiro Sakatoku¹, Makoto Yamano² (1.University of Toyama, 2.University of Tokyo)

*Takanori Kagoshima¹, Naoto Takahata², Jin-Oh Park², Makoto Yamano², Yuji Sano³, KS-23-6 Shipboard Scientists (1.University of Toyama, 2.University of Tokyo, 3.Kochi University)

*Glen Snyder¹, Hitoshi Tomaru², Shinsuke Aoki³, Teresa Nakajima⁴, Shiono Miki¹, Takanori Kagoshima⁶, Ryo Matsumoto⁵ (1.Atmosphere and Ocean Research Institute, University of Tokyo, 2.Department of Earth Sciences, Chiba University, 3.Faculty of Agriculture, Kagawa University, 4.Marine Core Research Center, Kochi University, 5.Gas Hydrate Research Laboratory, Meiji University, 6.University of Toyama)