*Jonathan E Snow¹, Atlanta Sen², Yasuhiko Ohara^3,4,5, Ken-ichi Hirauchi⁶, Yui Kouketsu⁵, Alessio Sanfilippo⁷, Valentin Basch⁷, Yumiko Harigane⁸, Masakazu Fujii⁹, Kyoko Okino¹⁰, Norikatsu Akizawa¹⁰ (1.Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803, USA, 2.Department of Earth and Atmospheric Sciences, University of Houston, Houston, TX 77204, USA, 3.Hydrographic and Oceanographic Department of Japan, Tokyo 100-8932, Japan, 4.Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka 237-0061, Japan, 5.Graduate School of Environmental Studies, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan, 6.Department of Geosciences, Faculty of Science, Shizuoka University, Shizuoka, Japan, 7.Dipartimento di Scienze della Terra e dell'Ambiente, University of Pavia, Pavia, Italy, 8.Research Institute of Geology and Geoinformation, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan, 9.National Institute of Polar Research/SOKENDAI, Tokyo, Japan, 10.Atmosphere and Ocean Research Institute, The University of Tokyo, Chiba, Japan)

*Yasuhiko Ohara^1,2,3, Yumiko Harigane⁴, Katsuyoshi Michibayashi³, Kyoko Okino⁵, Ryosuke Oyanagi⁶, Alessio Sanfilippo⁷, Jonathan E. Snow⁸, Marco Cuffaro⁹, Kohei Nimura³, Takaaki Moriguchi⁵ (1.Hydrographic and Oceanographic Department of Japan, 2.Japan Agency for Marine-Earth Science and Technology , 3.Nagoya University, 4.Geological Survey of Japan, 5.Atmosphere and Ocean Research Institute, University of Tokyo, 6.Kokushikan University, 7.University of Pavia, 8.Louisiana State University, 9.Institute of Environmental Geology and Geoengineering, National Research Council)

*Takaaki Moriguchi¹, Kyoko Okino¹, Yasuhiko Ohara², Yumiko Harigane³, Matamura Yuki⁴ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Hydrographic and Oceanographic Department of Japan /JAMSTEC/ Nagoya University, 3.Geological Survey of Japan, AIST, 4.Tohoku University)

*Masakazu Fujii¹, Kyoko Okino², Chiori Tamura², Yoshifumi Nogi¹ (1.National Institute of Polar Research and SOKENDAI, 2.Atmosphere and Ocean Research Institute, The University of Japan)

*Kyoko Okino¹, Yasuhiko Ohara², Yumiko Harigane³, Osamu Ishizuka³, Kenichiro Tani⁴, Masakazu Fujii⁵, Takaaki Moriguchi¹ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Japan Coast Guard/JAMSTEC/Nagoya University , 3.Geological Survey of Japan, AIST, 4.National Museum of Nature and Science, 5.National Institute of Polar Research)