*Xiaoli WAN^1,2, Hisayoshi Shimizu², Hisashi Utada² (1.Tongji Univ., 2.Earthquake Research Institute, the Univ. of Tokyo)

*Yuki Kawano¹, Takehi Isse¹, Akiko Takeo¹, Hitoshi Kawakatsu¹, Hajime Shiobara¹, Nozomu Takeuchi¹, Hiroko Sugioka², YoungHee Kim³, Hisashi Utada¹, Sang-Mook Lee³ (1.Earthquake Research Institute, The University of Tokyo, 2.Kobe University, 3.Seoul National University)

*Takehi Isse¹, Hitoshi Kawakatsu¹, Hajime Shiobara¹, Nozomu Takeuchi¹, Hiroko Sugioka², Younghee Kim³, Hisashi Utada¹, Sang-Mook Lee³, Kazunori Yoshizawa⁴ (1.Earthquake Research Institute, the University of Tokyo, 2.Department of Planetology, Kobe University, 3.Seoul National University, 4.Faculty of Science, Hokkaido University)

*Hajime Shiobara¹, Hisashi Utada¹, Seung-Sep Kim², YoungHee Kim³, Kiyoshi Baba¹, Takehi Isse¹, Hogyum Kim³, HyeJeong Kim¹, Hiroko Sugioka⁴, Nozomu Takeuchi¹, Yuki Kawano¹, Hitoshi Kawakatsu¹, Sang-Mook Lee³, Onboard scientists of 2018/2019 Oldest cruises (1.Ocean Hemisphere Research Center, Earthquake Research Institute, University of Tokyo, 2.Chungnam National University, 3.Seoul National University, 4.Kobe University)

*Hogyum Kim¹, Kiyoshi Baba², Hisashi Utada², Sang-Mook Lee¹, Hitoshi Kawakatsu², YoungHee Kim¹ (1.School of Earth and Environmental Sciences, Seoul National University, 2.Earthquake Research Institute, The University of Tokyo)

*Nozomu Takeuchi¹, Hitoshi Kawakatsu¹, Hajime Shiobara¹, Takehi Isse¹, Hiroko Sugioka², Aki Ito³, Hisashi Utada¹ (1.Earthquake Research Institute, University of Tokyo, 2.Kobe University, 3.JAMSTEC)

*Hyunsun Kang¹, Younghee Kim¹, Shu-Huei Hung², Pei-Ying Patty Lin³, Takehi Isse⁴, Hajime Shiobara⁴, Hitoshi Kawakatsu⁴, Sang-Mook Lee¹, Hisashi Utada⁴, Nozomu Takeuchi⁴ (1.Seoul National University, 2.National Taiwan University, 3.National Taiwan Normal University, 4.Earthquake Research Institute, The University of Tokyo)