*Nobukazu Seama^1,2, Jerome Dyment³, Taichi Sato^4,5, Yves Gallet⁶, Kyoko Okino⁷, Roi Granot⁸, Yoshifumi Nogi⁹, Nobutatsu Mochizuki¹⁰, Toshitsugu Yamazaki⁷ (1.Department of Planetology, Kobe University, 2.KOBEC (Kobe Ocean-Bottom Exploration Center), Kobe University, 3.Institut de Physique du Globe de Paris, 4.National Institute of Advanced Industrial Science and Technology, 5.The Institute for Geoscience Research (TIGeR), Curtin University , 6.French Centre National de la Recherche Scientifique, 7.Atmosphere and Ocean Research Institute, The University of Tokyo, 8.Department of Geological and Environmental Sciences, Ben-Gurion University, 9.National Institute of Polar Research, 10.Priority Organization for Innovation and Excellence, Kumamoto University)

*Shiki Machida^1,2, Taichi Sato³, Kazutaka Yasukawa² (1.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 2.University of Tokyo, 3.AIST)

*Shiki Machida^1,2, Taichi Sato³, Kazutaka Yasukawa² (1.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 2.University of Tokyo, 3.AIST)

*Masakazu Fujii¹, Hiroshi Sato², Minoru Ikehara³, Yoshifumi Nogi¹, Taichi Sato⁴, Yasuyuki Nakamura⁵, Eri Helen Amsler⁶, Sam Sherriff-Tadano⁷ (1.National Institute of Polar Research and SOKENDAI, 2.Senshu University, 3.Kochi University, 4.AIST, 5.JAMSTEC, 6.University of Bern, 7.AORI, UTokyo)