Mari Kobayashi², *Toshiro Yamanaka¹, Shogo Kawasumi², Tomoki Kashimura², Hitoshi CHIBA² (1.Tokyo University of Marine Science and Technology, 2.Graduate School of Naturl Science and Technology, Okayama University)

Mari Kobayashi², *Toshiro Yamanaka¹, Shogo Kawasumi², Tomoki Kashimura², Hitoshi CHIBA² (1.Tokyo University of Marine Science and Technology, 2.Graduate School of Naturl Science and Technology, Okayama University)

*Yasuhiko OHARA^1,2, Tomoyo Okumura², Robert Stern³, Yuji Onishi⁴, Shoma Oya⁵, Chong Chen², Hiromi Kayama WATANABE², Toshiro Yamanaka⁶, Masakazu Fujii⁷, Fernando Martinez⁸, Teruaki Ishii⁵, Katsuyoshi Michibayashi⁵, Ken Takai², Science party for the Shinkai Seep Expeditions (1.Hydrographic and Oceanographic Department of Japan, 2.Japan Agency for Marine-Earth Science and Technology, 3.University of Texas at Dallas, 4.Okayama University, 5.Shizuoka University, 6.Tokyo University of Marine Science and Technology, 7.National Institute of Polar Research, 8.University of Hawaii)

*Hiroko Makita^1,2, Sakiko Kikuchi¹, Satoshi Mitsunobu³, Emiko Tanaka^2,1, Yoshihiro Takaki¹, Toshiro Yamanaka⁴, Tomohiro Toki⁵, Takuroh Noguchi⁶, Kentaro Nakamura⁷, Mariko Abe¹, Miho Hirai¹, Masahiro Yamamoto¹, Katsuyuki Uematsu⁸, Junichi Miyazaki¹, Takuro Nunoura¹, Yoshio Takahashi⁷, Ken Takai¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Kanagawa Institute of Technology, 3.Ehime University, 4.Tokyo University of Marine Science and Technology, 5.University of the Ryukyus, 6.Kochi University, 7.The University of Tokyo, 8.Marine Works Japan Ltd)

*Hiroko Makita^1,2, Sakiko Kikuchi¹, Satoshi Mitsunobu³, Emiko Tanaka^2,1, Yoshihiro Takaki¹, Toshiro Yamanaka⁴, Tomohiro Toki⁵, Takuroh Noguchi⁶, Kentaro Nakamura⁷, Mariko Abe¹, Miho Hirai¹, Masahiro Yamamoto¹, Katsuyuki Uematsu⁸, Junichi Miyazaki¹, Takuro Nunoura¹, Yoshio Takahashi⁷, Ken Takai¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Kanagawa Institute of Technology, 3.Ehime University, 4.Tokyo University of Marine Science and Technology, 5.University of the Ryukyus, 6.Kochi University, 7.The University of Tokyo, 8.Marine Works Japan Ltd)

*Jaeguk Jo¹, Toshiro Yamanaka², Youko Miyoshi³, Jun-ichiro Ishibashi⁴, Yoshihiro Kuwahara⁴, Hitoshi Chiba¹, Tomoki Kashimura¹ (1.Graduate School of Science, okayama University, 2.Tokyo University of Marine Science and Technology, 3.The National Institute of Advanced Industrial Science and Technology (AIST), 4.Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University, Japan)

*Jaeguk Jo¹, Toshiro Yamanaka², Youko Miyoshi³, Jun-ichiro Ishibashi⁴, Yoshihiro Kuwahara⁴, Hitoshi Chiba¹, Tomoki Kashimura¹ (1.Graduate School of Science, okayama University, 2.Tokyo University of Marine Science and Technology, 3.The National Institute of Advanced Industrial Science and Technology (AIST), 4.Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University, Japan)

*Hiroshi Nishi¹, Reishi Takashima¹, Keiichi Hayashi², Yuji Orihashi³, Toshiro Yamanaka⁴ (1.The Center for Academic Resources and Archives, The Tohoku Museum Tohoku University, 2.Geological Survey of Hokkaido, 3.Earthquake Research Institute, the University of Tokyo, 4.Tokyo University of Marine Science and Technology)