*Kohei Nimura¹, Takaaki Moriguchi², Norikatsu Akizawa³, Shiki Machida⁴, Kyoko Okino⁵, Katsuyoshi Michibayashi^1,6 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Kawasaki Geological Engineering Co., Ltd., 3.Graduate School of Advanced Science and Engineering, Hiroshima University, 4.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 5.tmosphere and Ocean Research Institute, The University of Tokyo, 6.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Masakazu Fujii^1,2, Makoto Takeuchi³, Tomohiro Ito⁴, Norikatsu Akizawa⁴, Shiki Machida⁵, Chiori Tamura³, Masanari Ashida³, Kyoko Okino³ (1.National Institute of Polar Research, 2.The Graduate University for Advanced Studies, SOKENDAI, 3.Atmosphere and Ocean Research Institute, The University of Tokyo, 4.Hiroshima University, 5.Chiba Institute of Technology)

*Yumiko Harigane¹, Kenichiro Tani², Osamu Ishizuka¹, Kyoko Okino³ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 2.National Museum of Nature and Science, 3.Atmosphere and Ocean Research Institute, The University of Tokyo)

*Kyoko Okino¹, Shiki Machida², Tomoaki Morishita³, Katsuyoshi Michibayashi⁴, Akira Ishikawa⁵, Naoto Hirano⁶, Yibing Li⁷, Masakazu Fujii⁸, Nobukazu Seama⁹, Yuki Minegishi¹, Takuya Yahagi¹, Michinari Sunamura¹⁰, Akiko Makabe¹¹, Scientific Team KH-24-4 (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Chiba Institute of Technology , 3.Kanazwa University , 4.Nagoya University, 5.Institute of Science Tokyo, 6.Tohoku University , 7.Chinese Acaemy of Geological Science, 8.National Institute of Polar Research, 9.Kobe University , 10.The University of Tokyo, 11.Japan Agency for Marine-Earth Science and Technology )

*Kenichiro Tani¹, Kyoko OKINO³, Chih-Chieh SU⁸, Osamu ISHIZUKA², Hayato UEDA⁶, Yumiko HARIGANE², KanHsi HSIUNG⁴, Takuya SAGAWA⁵, Nao KUSUHASHI⁷, Akito OGAWA¹, Natsumi HOOKABE⁴, Sze Ling HO⁸, Jih-Hsin CHANG⁸, Hsin LEE⁹, Shye-Donq CHIOU⁸, Ta-Wei HSU⁸, * KH-23-10 shipboard scientific party (1.National Museum of Nature and Science, 2.National Institute of Advanced Industrial Science and Technology, 3.Atmosphere and Ocean Research Institute, The University of Tokyo, 4.Japan Agency for Marine-Earth Science and Technology, 5.Kanazawa University, 6.Niigata University, 7.Ehime University, 8.Institute of Oceanography, National Taiwan University, 9.National Museum of Marine Biology and Aquarium, Taiwan)

*Seitaro Ono^1,2, Kyoko Okino¹, Nobukazu Seama³, Toshitsugu Yamazaki¹ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.The National Institute of Advanced Industrial Science and Technology, 3.Department of Planetology, Graduate School of Science, Kobe University)

*Masakazu Fujii^1,2, Kyoko Okino³, Chiori Tamura³, Seitaro Ono³, Tomohiro Ito⁴, Nobukazu Seama⁵, Ryosuke Suzuki⁵ (1.National Institute of Polar Research, 2.SOKENDAI (The Graduate University for Advanced Studies), 3.Atmosphere and Ocean Research Institute, The University of Tokyo, 4.Department of Earth and Planetary Systems Science, Hiroshima University, 5.Kobe University)

*Ryosuke Suzuki¹, Nobukazu Seama¹, Chiori Tamura², Masanari Ashida², Seitaro Ono², Kyoko Okino², Masakazu Fujii^3,4 (1.Kobe University, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.National Institute of Polar Research Tachikawa Japan, 4.SOKENDAI (The Graduate University for Advanced Studies) Hayama Japan)

*Tomohiro Ito¹, Ikuo Katayama¹, Ryosuke Morishita², Kazuki Matsuyama ^3,4, Masakazu Fujii^5,6, Kyoko Okino⁷ (1.Department of Earth and Planetary Systems Science, Hiroshima University, 2.Hiroshima University, 3.Department of Earth and Planetary Sciences, GSES, Nagoya University, 4.Géosciences Montpellier, Université de Montpellier, 5.National Institute of Polar Research, Tachikawa, Japan, 6.SOKENDAI (The Graduate University for Advanced Studies), Hayama, Japan, 7.Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan)

*Kohei Nimura¹, Shiki Machida², Norikatsu Akizawa³, Aoi Harada¹, Naoto Hirano⁴, So Inoue¹, Akira Ishikawa⁵, Kazuki Matsuyama ^1,6, Katsuyoshi Michibayashi^1,7, Tomoaki Morishita⁸, Taiki Nakano⁹, Yuka Niwa⁵, Makoto Sano⁹, Yibing Li¹⁰, Kyoko Okino¹¹ (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Graduate School of Advanced Science and Engineering, Hiroshima University, 4.Center for Northeast Asian Studies, Tohoku University, 5.Department of Earth and Planetary Science, School of Science, Institute of Science Tokyo, 6.Géosciences Montpellier, CNRS, Université Montpellier 2, 7.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC, 8.College of Science and Engineering, Kanazawa University, 9.Graduate School of Science, Tohoku University, 10.Institute of Geology, Chinese Academy of Geological Science, 11.Atmosphere and Ocean Research Institute, The University of Tokyo)

*Shiki Machida¹, Kana Ashida¹, Kyoko Okino² (1.Chiba Institute of Technology, 2.The University of Tokyo)

*Hiroaki Koge¹, Chie Honsho^1,2, Jinyu Zhou³, Masakazu Fujii^4,5, Kyoko Okino⁶, Minoru Ikehara⁷, Asuka Yamaguchi⁶ (1.AIST, 2.Kaiyo Denshi Co.,Ltd., 3.Institude of Industrial Science, The University of Tokyo, 4.National Institute of Polar Research Tachikawa Japan, 5.SOKENDAI (The Graduate University for Advanced Studies) Hayama Japan, 6.Atomosphere and Ocean Research Institute, The University of Tokyo, 7.Marine Core Research Institute, Kochi University)