*Shuichi Kodaira¹, Kohtaro Ujiie², Marianne Conin³, Christine Regalla⁴, James Kirkpatrick⁵, Patrick Fulton⁶, Lena Maeda¹, Natsumi Okutsu¹, Nobuhisa Eguchi¹, IODP Exp.405 Science Party (1.Japan Agency for Marine-Earth Science and Technology, 2.University of Tsukuba, 3.University of Lorraine, 4.Northern Arizona University, 5.University of Nevada, 6.Cornell University)

*Seiya Hirosaki¹, Takuto Minami¹, Nobukazu Seama¹ (1.Department of Planetology, Graduate School of Science, Kobe University)

*Takeru Yoshimoto¹, Yuzuru Yamamoto¹, Michael Manga², Sarah Beethe³, Iona McIntosh⁴, Adam Woodhouse⁵, Shun Chiyonobu⁶, Olga Koukousioura⁷, Tim Druitt⁸, Steffen Kutterolf⁹, Thomas Ronge¹⁰, IODP Exp. 398 Scientists (1.Kobe University, 2.University of California, 3.Oregon State University, 4.JAMSTEC, 5.Cardiff University, 6.Akita University, 7.University of Thessaloniki, 8.Université Clermont Auvergne, 9.GEOMAR, 10.Texas A&M University)

*Ryota Murai¹, Jin-Oh Park¹, Hamzeh Mohammadigheymasi^1,5, YUE SUN¹, FAN YU¹, Noboru Yamakawa¹, Yuqi Lyu¹, Kazutaka Yasukawa², Junichiro Kuroda¹, Atsushi Matsuoka³, Erika Tanaka⁴ (1.Atmosphere and Ocean Research Institute, the University of Tokyo, 2.School of Engineering, the University of Tokyo, 3.Niigata University, 4.Kochi University, 5.Department of Earth and Planetary Sciences, Harvard University)

*Mutusmi Iizuka¹, Renata Giulia Lucchi², Kristen St. John³, Thomas A. Ronge⁴ (1.The National Institute of Advanced Industrial Science and Technology, 2.National Institute of Oceanography and Applied Geophysics, 3.James Madison University, 4.International Ocean Discovery Program Texas A&M University)