*Kohtaro UJIIE¹, Hanae TANAKA¹, Tsubasa SAITO¹, Akito TSUTSUMI², James MORI², Jun KAMEDA³ (1.University of Tsukuba, 2.Kyoto University, 3.Hokkaido University)

*Tsuyoshi ISHIKAWA¹, Jun MATSUOKA², Jun KAMEDA³, James MORI⁴, Frederick CHESTER⁵ (1.JAMSTEC, 2.Marine Works Japan Ltd., 3.Hokkaido University, 4.Kyoto University, 5.Texas A&M University)

*Toshiaki MISHIMA¹, Tao YANG², Kohtaro UJIIE³, James KIRKPATRICK⁴, Frederick CHESTER⁵, Casey MOORE⁶, Christie ROWE⁷, Christine REGALLA⁸, Francesca REMITTI⁹, Jun KAMEDA¹⁰, Monica WOLFSON¹¹, Santanu BOSE¹², Tsuyoshi ISHIKAWA¹³, Virginia TOY¹⁴ (1.Osaka City University, 2.China Earthquake Administration, 3.University of Tsukuba, 4.Colorado State University, 5.Texas A&M University, 6.University of California Santa Cruz, 7.McGill University, 8.Pennsylvania State University, 9.Universita di Modena e Reggio Emilia largo, 10.Hokkaido University, 11.University of New Hampshire, 12.University of Calcutta, 13.JAMSTEC, 14.University of Otago)

*Asuka YAMAGUCHI¹, Wataru TANIKAWA², Jun KAMEDA³, Mayuko SHIMIZU⁴, Yohei HAMADA⁵, Gaku KIMURA⁴ (1.Atmosphere and Ocean Research Institute, the University of Tokyo, 2.JAMSTEC/Kochi, 3.Graduate School of Science, Hokkaido University, 4.Department of Earth and Planetary Science, the University of Tokyo, 5.JAMSTEC/IFREE)

*Hiroaki KOGE¹, Shuichi KODAIRA², Toshiya FUJIWARA², Tomoyuki SASAKI³, Jun KAMEDA⁴, Yujin KITAMURA⁵, Mari HAMAHASHI¹, Yohei HAMADA⁶, Asuka YAMAGUCHI⁷, Juichiro ASHI⁷, Gaku KIMURA¹ (1.The University of Tokyo, 2.Institute for Research on Earth Evolution Japan Agency for Marine-Earth Science and Technology, 3.Ocean Engineering & Development Corporation, 4.Hokkaido University, 5.Kagoshima University, 6.Japan Agency for Marine-Earth Science and Technology, 7.Atomosphere and Ocean Research Institute, The University of Tokyo)

*Ryoji KAWASAKI¹, Mari HAMAHASHI¹, Rina FUKUCHI¹, Yoshitaka HASHIMOTO², Asuka YAMAGUCHI³, Jun KAMEDA⁴, Yohei HAMADA⁵, Yujin KITAMURA⁶, Makoto OTSUBO⁷, Gaku KIMURA¹ (1.Dept. Earth and Planet. Sci., Univ. Tokyo, 2.Kochi Univ., 3.Atmosph. Ocean Res. Inst., Univ. Tokyo, 4.Hokkaido Univ., 5.Japan Agency for Marine-Earth Science and Technology, 6.Kagoshima Univ., 7.AIST, Geological Survey of Japan, Inst. Geology and Geoinformation)

*Yohei HAMADA¹, Gaku KIMURA², Jun KAMEDA³, Asuka YAMAGUCHI⁴, Mari HAMAHASHI², Yujin KITAMURA⁵, Rina FUKUCHI², Ryoji KAWASAKI² (1.Kochi institute for Core Sample Research, JAMSTEC, 2.Department of Earth and Planetary Science, The University of Tokyo, 3.Earth and Planetary System Science Department of Natural History Science, 4.Atomosphere and Ocean Research Institute, The University of Tokyo, 5.Department of Earth and Environmental Sciences,Graduate School of Science and Engineering Kagoshima)

*Tetsuro HIRONO¹, Jun KAMEDA², Hiroki KANDA¹, Wataru TANIKAWA³, Tsuyoshi ISHIKAWA³ (1.Osaka Univ., 2.Hokkaido Univ., 3.JAMSTEC)

*Hirokazu MASUMOTO¹, Tetsuro HIRONO¹, Tsuyoshi ISHIKAWA², Jun KAMEDA³, Hikaru YABUTA¹, Hideki MUKOYOSHI⁴ (1.Department of Earth and Space Science, Graduate School of Science, Osaka University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Graduate School of Science, Hokkaido University, 4.Faculty of Education and Integrated Arts and Sciences, Waseda University)

*Wataru TANIKAWA¹, Asuka YAMAGUCHI², Jun KAMEDA³, Osamu TADAI⁴, Kentaro HATAKEDA⁴, Manami KITAMURA⁵ (1.JAMSTEC/Kochi, 2.Atomosphere and Ocean Research Institute, The University of Tokyo, 3.Graduate School of Science, Hokkaido University, 4.Marine Works Japan Ltd., 5.Hiroshima University)

*Yujin KITAMURA¹, Gaku KIMURA², Jun KAMEDA³, Yui KOUKETSU⁴, Asuka YAMAGUCHI⁵, Hiroyuki KAGI⁴, Mari HAMAHASHI², Rina FUKUCHI², Yohei HAMADA⁶, Koichiro FUJIMOTO⁷, Yoshitaka HASHIMOTO⁸, Saneatsu SAITO⁶, Ryoji KAWASAKI², Hiroaki KOGE², Mayuko SHIMIZU², Takenao FUJII⁹ (1.Dept. Earth and Environmental Sci., Kagoshima University, 2.Dept. Earth and Planet. Sci., University of Tokyo, 3.Dept. Nat. Hist. Sci., Grad. Sch. Sci., Hokkaido University, 4.Geochem. Research Center, University of Tokyo, 5.Atmosph. Ocean Research Institute, University of Tokyo, 6.IFREE, JAMSTEC, 7.Tokyo Gakugei University, 8.Kochi University, 9.SHIMADZU Corp.)

*Jun KAMEDA¹, Mayuko SHIMIZU², Kohtaro UJIIE³, Takehiro HIROSE⁴, Matt IKARI⁵, Francesca REMITTI⁶, James MORI⁷, Frederick CHESTER⁸, Gaku KIMURA² (1.Hokkaido University, 2.University of Tokyo, 3.Tsukuba University, 4.JAMSTEC, 5.University of Bremen, 6.Universita di Modena, 7.kyoto University, 8.Texas A&M University)

*Hirokazu MASUMOTO¹, Tetsuro HIRONO¹, Tsuyoshi ISHIKAWA², Jun KAMEDA³, Hikaru YABUTA¹, Hideki MUKOYOSHI⁴ (1.Department of Earth and Space Science, Graduate School of Science, Osaka University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Graduate School of Science, Hokkaido University, 4.Faculty of Education and Integrated Arts and Sciences, Waseda University)

*Wataru TANIKAWA¹, Asuka YAMAGUCHI², Jun KAMEDA³, Osamu TADAI⁴, Kentaro HATAKEDA⁴, Manami KITAMURA⁵ (1.JAMSTEC/Kochi, 2.Atomosphere and Ocean Research Institute, The University of Tokyo, 3.Graduate School of Science, Hokkaido University, 4.Marine Works Japan Ltd., 5.Hiroshima University)

*Naoki KATO¹, Tetsuro HIRONO¹, Tsuyoshi ISHIKAWA², Jun KAMEDA³, Tomoyuki OHTANI⁴ (1.Department of Earth and Space Science, Graduate School of Science, Osaka University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 4.Department of Civil Engineering, Gifu University)