*Michinobu Kuwae¹, Bruce P. Finney², Zhiyuan Shi³, Aya Sakaguchi³, Narumi Tsugeki⁴, Takayuki Omori⁵, Tetsuro Agusa⁶, Yoshiaki Suzuki⁷, Yusuke Yokoyama⁵, Hirofumi Hinata¹, Yoshio Hatada¹, Jun Inoue⁸, Kazumi Matsuoka⁹, Misaki Shimada¹⁰, Hikaru Takahara¹⁰, Shin Takahashi¹, Daisuke Ueno¹¹, Atsuko Amano⁷, Jun Tsutsumi³, Masanobu Yamamoto¹², Keiji Takemura¹³, Keitaro Yamada¹⁴, Ken Ikehara⁷, Tsuyoshi Haraguchi¹⁵, Stephen Tims¹⁶, Michaela Froehlich¹⁶, L. Keith Fifield¹⁶, Takahiro AZE⁵, Kimikazu Sasa³, Tsutomu Takahashi⁵, Masumi Matsumura³, Yukinori Tani¹⁷, Peter R. Leavitt¹⁸, Hideyuki Doi¹³, Tomohisa Irino¹², Kazuyoshi Moriya¹⁹, Akira Hayashida²⁰, Kotaro Hirose²¹, Hidekazu Suzuki²², Yoshiki Saito²³ (1.Ehime Univ., 2.Idaho State Univ., 3.University of Tsukuba, 4.Matsuyama University, 5.The University of Tokyo, 6.Prefectural University of Kumamoto, 7.National Institute of Advanced Industrial Science and Technology, 8.Osaka Metropolitan University, 9.Nagasaki University, 10.Kyoto Prefectural University, 11.Saga University, 12.Hokkaido University, 13.Kyoto University, 14.Ritsumeikan University, 15.Osaka City University, 16.The Australian National University, 17.University of Shizuoka, 18.University of Regina, 19.Waseda University, 20.Doshisha University, 21.University of Hyogo, 22.Tokyo University of Marine Science and Technology, 23.Shimane University)

*Hideaki Yanagisawa¹, Ikuo Abe², Toshitaka Baba³, Ken Ikehara⁴ (1.Department of regional Management, Faculty of Liberal Arts, Tohoku Gakuin University, 2.Faculty of Social and Environmental Studies, Department of Social and Environmental Studies, Tokoha University, 3.Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 4.Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology)

*Ken Ikehara¹, Toshiya Kanamatsu², Kazuko Usami³ (1.Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology, 2.Japan Agency of Marine-Earth Science and Technology, 3.Japan NUS)

*Juichiro Ashi¹, Ayanori Misawa², Toshiya Kanamatsu³, Ken Ikehara² (1.UTokyo, 2.AIST, 3.JAMSTEC)

*Tomo Aoki¹, Keita Saito¹, Ryoichi Horinouchi ¹, Kohsaku Arai², Ken Ikehara², Takuya Itaki² (1.Japan Coast Guard, 2.National Institute of Advanced Industrial Science and Technology)

*KanHsi Hsiung¹, Toshiya Kanamatsu¹, Ken Ikehara², Masafumi MURAYAMA³, Yuhji Yamamoto⁴ (1.Japan Agency for Marine-Earth Science and Technology, 2.National Institute of Advanced Industrial Science and Technology, 3.Faculty of Agriculture and Marine Science, Kochi University, 4.Center for Advanced Marine Core Research, Kochi University)

*Toshiya Kanamatsu¹, Ken Ikehara², KanHsi Hsiung¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.National Institute of Advanced Industrial Science and Technology)

Ryuki Saijo¹, Airi Maruyama¹, Song Lu¹, *Tomohisa Irino^1,2, Ken Ikehara³, Ken Sawada⁴ (1.Graduate School of Environmental Science, Hokkaido University, 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Institute of Geology and Geoinformation, National Institute of Advanced Industrial and Science Technology, 4.Faculty of Science, Hokkaido University)

*Ken Ikehara¹, Michael Strasser², Takuya Itaki¹, Yasufumi Satoguchi³, Yoshitaka Nagahashi⁴, Toshiya Kanamatsu⁵, Takashi Ishizawa⁶, Jyh-Jaan Steven Huang⁷, Jeremy Everest⁸, Lena Maeda⁵, IODP Expedition 386 Science Party (1.Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology, 2.University of Innsbruck, 3.Lake Biwa Museum, 4.Fukushima University, 5.Japan Agency for Marine-Earth Science and Technology, 6.Tohoku University, 7.National Taiwan University, 8.British Geological Survey)