*Tohru Watanabe¹, Kazuo Kawasaki¹, Katsuyoshi Michibayashi² (1.Faculty of Sustainable Design, University of Toyama, 2.Department of Earth and Planetary Sciences, Nagoya University)

*Akane Matsuzaki¹, Yui Kouketsu¹, Katsuyoshi Michibayashi^1,2 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Aoi Harada¹, Yui Kouketsu¹, Katsuyoshi Michibayashi^1,2 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Miharu Niwa^1,2, Katsuyoshi Michibayashi^1,3, Kenichiro Tani⁴, Takuma Nishimura⁵ (1.Department of Earth and Planetary Sciences, GSES , Nagoya University, 2.Toyohashi Museum of Natural History, 3.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC, 4.National Museum of Nature and Science, 5.Houraijisan Museum of Natural History)

*Kazuki Matsuyama ^1,2, Katsuyoshi Michibayashi^1,3 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Géosciences Montpellier, Université de Montpellier, 3.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Kana Miyata¹, Shigeki Uehara², Katsuyoshi Michibayashi^1,3, Yasuhiko Ohara^4,1,3 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Institute of Geosciences, Shizuoka University, 3.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC, 4.Hydrographic and Oceanographic Department of Japan)

*So Inoue¹, Katsuyoshi Michibayashi^1,2, Yumiko Harigane³, Yasuhiko Ohara^1,2,4 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC, 3.Research Institute of Geology and Geoinformation, Geological Survey of Japan, AIST, 4.Hydrographic and Oceanographic Department of Japan)

*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)

*Takeo Okuwaki¹, Katsuyoshi Michibayashi^1,2 (1.Department of Earth and Planetary Sciences, GSES , Nagoya University, 2.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Katsuyoshi Michibayashi^1,2 (1.Department of Earth and Planetary Sciences, GSES , Nagoya University, 2.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Yuya Akamatsu¹, Katsuyoshi Michibayashi^2,1, Masakazu Fujii^3,4, Yumiko Harigane⁵, Yuzuru Yamamoto^6,7, Nana Kamiya⁸, Tetsuya Sakuyama⁹ (1.Research Institute for Marine Geodynamics, JAMSTEC, 2.Nagoya University, 3.National Institute of Polar Research, 4.SOKENDAI, 5.Geological Survey of Japan, AIST, 6.Kobe University, 7.Center for Mathematical Science and Advanced Technology, JAMSTEC, 8.Kyoto University, 9.Osaka Metropolitan University)

*Itsuki Natsume¹, Katsuyoshi Michibayashi^2,3, Yohei Igami⁴ (1.Kanagawa Prefectural Museum of Natural History, 2.Department of Earth and Planetary Sciences, GSES , Nagoya University, 3.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC, 4.Graduate School of Science, Kyoto University)

*So Inoue¹, Katsuyoshi Michibayashi^1,2 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Tomohiro Ito¹, Ikuo Katayama¹, Katsuyoshi Michibayashi^2,3, Kazuki Matsuyama ^2,4 (1.Department of Earth and Planetary Systems Science, Hiroshima University, 2.Department of Earth and Planetary Sciences, GSES , Nagoya University, 3.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC, 4.Géosciences Montpellier, Université de Montpellier)

*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 )

*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)

*Masaaki Horie¹, Katsuyoshi Michibayashi^1,2 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Kazuki Matsuyama ^1,2, Katsuyoshi Michibayashi^1,3 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Géosciences Montpellier, Université de Montpellier, 3.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Kazuya Toyama¹, Katsuyoshi Michibayashi^1,2 (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC)

*Ikuo Katayama¹, Satoko Ishimaru², Hiroshi Ichihara³, Tatsu Kuwatani⁴, Yui Kouketsu³, Naoki Nishiyama⁵, Yuki Morono⁶, Katsuyoshi Michibayashi³, Tomoaki Morishita⁷ (1.Hiroshima University, 2.Kumamoto University, 3.Nagoya University, 4.JAMSTEC, 5.AIST, 6.JAMSTEC Kochi Core Institute, 7.Kanazawa University)