*Masanobu Yamamoto¹, Yoichi Usui², Uramoto Go-Ichiro², Takuto Ando³, Steven Clemens⁴, Kuhnt Wolfgang⁵, Leah LeVay⁶, IODP Exp 353 Scientists (1.Faculty of Environmental Earth Science, Hokkaido University, 2.JAMSTEC, 3.Graduate School of Science, Hokkaido University, 4.Brown University, 5.Christian-Albrechts-Universitat zu Kiel, 6.Texas A&M University)

*Kohki Yoshida¹, Babu Ram Gyawali², Swostik K. Adhikari⁵, Arata Nakajima⁶, Ai Osaki³, Nozomi Hatano⁴ (1.Department of Geology, Faculty of Science, Japan, 2.Department of Earth Science, Tohoku University, Japan, 3.Department of Geology, Faculty of Science, Shinshu University, Japan, 4.Graduate School of Science and Technology, Shinshu University, Japan, 5.Department of Geoscience, Shimane University, Japan., 6.Department of Geology and Mineralogical Sciences, Yamaguchi University, Japan)

*Masao Iwai¹, Kenta Suzuki², Dhananjai Pandey³, Peter D Clift⁴, Denise Kulhanek⁵, Expedition 355 Scientists (1.Center for Advanced Marine Core Research, Kochi University, Japan, 2.Graduate School of Environmental Science, Hokkaido University, Japan, 3.National Centre for Antarctic and Ocean Research, Vasco da Gama, Goa, India, 4.Department of Geology and Geophysics, Louisiana State University, USA, 5.International Ocean Discovery Program, Texas A&M University, USA)

*Hideko Takayanagi¹, Hokuto Iwatani², Takeshige Ishiwa³, Resti Samyati Jatiningrum⁴, Scientists the Expedition 356 (1.Tohoku University, 2.The University of Hong Kong, 3.The University of Tokyo, 4.Akita University)

*Shunsuke Kurokawa¹, Ryuji Tada¹, Johanna Lofi², Tomohisa Irino³, Masayuki Ikeda⁴, Liviu Giosan⁵, Arisa Seki¹, Masafumi MURAYAMA⁶, Takuya Matsuzaki⁶, Takuya Itaki⁷, Shin-ichi Kamikuri⁸ (1.Department of Earth and Planetary Science, University of Tokyo, 2.Universite de Montpellier, 3.Faculty of Environmental Earth Science, Hokkaido University, 4.Shizuoka University, 5.Woods Hole Oceanographic Institution, 6.Center for Advanced Marine Core Research, Kochi University, 7.Geological Survey of Japan, AIST, 8.Faculity of Education, Ibaraki University)

*Marc Humblet¹, Jody M. Webster² (1.Department of Earth and Planetary Sciences, Nagoya University, 2.Geocoastal Research Group, The University of Sydney)

*Yuri Kakubari¹, Hoyanagi Koichi² (1.Graduate School of Science and Technology, Shinshu Univ., 2.Shinshu Univ.)

*Akira Ijiri^1,2, Naotaka Tomioka¹, Harue Masuda³, Shigeyuki Wakaki¹, Masafumi MURAYAMA⁴, Fumio Inagaki^1,2 (1.Kochi Institute for Core Sample Research, Japan Agency for Marine Science and Technology (JAMSTEC), 2.Research and Development Center for Submarine Resources, JAMSTEC, 3.Graduate School of Science, Osaka City University, 4.Kochi university, Center for Advanced Marine Core Research)

*Mutsumi Honda¹, Katsuyoshi Michibayashi², Yuzuru Yamamoto³, Nana Kamiya⁴, Tohru Watanabe⁵, Tetsuya Sakuyama⁶ (1.Graduate School of Integrated Science and Technology, Shizuoka University, 2.Institute of Geosciences, Shizuoka University, 3.JAMSTEC, 4.Graduate School of Integrated Sciences, Nihon University, 5.Graduate School of Science and Engineering, Toyama University, 6.Faculty of Science, Osaka City University)

*Wataru Tanikawa¹, Yoko Ohtomo², Yuki Morono¹, Glen Snyder³, Yusuke Kubo⁴, Yoshihiro Iijima⁴, Hinrichs Kai-Uwe⁵, Fumio Inagaki¹ (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Faculty of Engineering, Hokkaido University, 3.Gas Hydrate Research Lab, Meiji Univeristy, 4.Japan Agency for Marine-Earth Science and Technology, 5.Center for Marine Environmental Sciences (MARUM), University of Bremen)

*Ryota Hasegawa¹, Asuka Yamaguchi², Rina Fukuchi³, Tsuyoshi Ishikawa⁴, Yujin Kitamura⁵ (1.Department of Earth and Environmental Sciences, Faculty of Science, Kagoshima university Faculty of Science, 2.Atomosphere and Ocean Research Institute, The University of Tokyo, 3.Graduate School of Frontier Sciences, The University of Tokyo, 4.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 5.Department of Earth and Environmental Sciences, Graduate School of Science and Engineering, Kagoshima University)

*Rina Fukuchi^1,2, Asuka Yamaguchi¹, Yuzuru Yamamoto³, Juichiro Ashi^1,2 (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Graduate School of Frontier Sciences, The University of Tokyo, 3.JAMSTEC)

*Takamitsu Sugihara¹ (1.Center for deep earth exploration, Japan Agency for Marine-Science and Technology)

*Yasuhiro Yamada¹, KYAW MOE¹ (1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), R&D Center for Ocean Drilling Science (ODS))