*OTGONBAYAR DANDAR^1,2, Jion Kubota¹, Manzshir Bayarbold¹, Atsushi Okamoto¹ (1. Graduate School of Environmental Studies, Tohoku University, 2. Geoscience Center, Mongolian University of Science and Technology, Ulaanbaatar, Mongolia)

*Mizuki Shimote¹, Yui Kouketsu¹, Naoki Nishiyama², Ikuo Katayama³ (1. Nagoya University, 2. AIST, 3. Hiroshima University)

*Tatsuya Hattori^1,2, Ryosuke Oyanagi^4,5, Tomoyuki Mizukami¹, Yumiko Harigane⁶, Mayuko Fukuyama⁷, Asuka Yamaguchi⁸, Tomoaki Morishita^1,3 (1. School of Geosciences and Civil Engineering, Kanazawa University, 2. Geology and Geophysics Division, Japan Organization for Metals and Energy Security (JOGMEC), 3. Volcanoes and Earth’s Interior Research Center, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 4. School of Engineering and Science, Kokushikan University, 5. Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 6. Institute of Geology and Geoinformation, Geological Survey of Japan, AIST, 7. Graduate School of Engineering Science, Akita University, 8. Atmosphere and Ocean Research Institute, The University of Tokyo)

*Kaho Nobuhara¹, Hiroshi Mori¹, Yurie Tsukishima¹, Takayoshi Nagaya², Ken Yamaoka³, Koichiro Fujimoto⁴, Tetsuya Tokiwa¹, Takashi Shinya¹, Yuho Hayakawa^1,5 (1. Shinshu University, 2. Waseda University, 3. GSJ, AIST, 4. Tokyo Gakugei University, 5. Chuo Kaihatsu Corporation)

*Itsuki Natsume¹, Katsuyoshi Michibayashi^2,3, Atsushi Okamoto⁴ (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 Environmental Studies)

*Virginia Toy¹, Shaun Ramsden², Neil Carr², Shane Cronin³, Gerd Sielfeld³, Archie Martin⁴, Cindy Werner⁵ (1. Johannes Gutenberg University of Mainz, Germany, 2. Pacific Exploration Company, Australia, 3. University of Auckland, New Zealand, 4. Greenrock Geoscience, Melbourne, Australia, 5. Contractor, New Zealand)