*James C Sample¹, Xianfeng Wang⁵, Sarah Weeks¹, Ana Crespo-Blanc³, Yuzuru Yamamoto⁴, Gregory Jesmok², William Defliese², Aradhna Tripati² (1.School of Earth Sciences and Enviromental Sciences, N. Arizona Univ, Flagstaff, Arizona, USA, 2.Dept. Earth, Planetary, and Space Sciences UCLA, Los Angeles, California, USA, 3.Dept. Geodynamics, Univ Granada, Granada, Spain, 4.Dept. Mathematical Science and Advanced Technology, JAMSTEC, 5.Earth Observatory of Singapore, Nanyang Tech Univ, Singapore)

*Yohei Hamada¹, Yuzuru Yamamoto¹, Yoshitaka Hashimoto², Jun Kameda³, Kyoko Onishi⁴, Wataru Tanikawa¹, Gaku Kimura⁵ (1.Japan Agency for Marine-Earth Science and Technology, 2.Kochi University, 3.Hokkaido University, 4.Ehime University, 5.Tokyo University of Marine Science and Technology)

*Yohei Hamada¹, Yuzuru Yamamoto¹, Yoshitaka Hashimoto², Jun Kameda³, Kyoko Onishi⁴, Wataru Tanikawa¹, Gaku Kimura⁵ (1.Japan Agency for Marine-Earth Science and Technology, 2.Kochi University, 3.Hokkaido University, 4.Ehime University, 5.Tokyo University of Marine Science and Technology)

Mutsumi Honda², *Katsuyoshi Michibayashi^1,2,7, Masakazu Fujii⁴, Yuzuru Yamamoto⁵, Yumiko Harigane⁶, Tetsuya Sakuyama³ (1.Institute of Geosciences, Shizuoka University, 2.Graduate School of Geosciences, Shizuoka University, 3.Osaka City University, 4.National Institute of Polar Research and SOKENDAI, 5.JAMSTEC, 6.AIST/GSJ, 7.Department of Earth and Planetary Sciences, Nagoya University)