*SHUYIN CHENG¹, Yasufumi Iryu², J Bruce H Shyu¹ (1.National Taiwan Univ., 2.Tohoku Univ.)

*Nana Watanabe¹, Kohsaku Arai², Hidetoshi Ota^3,4, Yasufumi Iryu¹ (1.Department of Earth Science, Faculty of Science, Tohoku University, 2.The Research Institute of Geology and Geoinformation, Geological Survey of Japan, 3.Institute of Natural and Environmental Sciences, University of Hyogo, 4.Museum of Nature and Human Activities)

*Hironobu Harada¹, Tatsuki Tsujimori¹, Keitaro Kunugiza², Katsuyuki Yamashita³, Hideko Takayanagi¹, Yasufumi Iryu¹ (1.Tohoku Univesity, 2.Toyama University, 3.Okayama University)

*Toshiaki Komata¹, Tatsuki Tsujimori¹, Hideko Takayanagi¹, Yasufumi Iryu¹ (1.Tohoku University)

*Kazuma Oikawa¹, Hideko Takayanagi¹, Ryuichi Shinjo², Kazuyoshi Endo³, Masa-aki Yoshida⁴, Yasufumi Iryu¹ (1.Institute of Geology and Paleontology Graduate School of Science Tohoku University, 2.Department of Physics and Earth Sciences, University of the Ryukyus, 3.Department of Earth and Planetary Science, Tokyo University, 4.Shimane University Faculty of Life and Environmental Science)

*Andros Daniel Cruz Salmeron¹, Hideko Takayanagi¹, Shigeyuki Wakaki², Hitomi Uchimura Wakaki³, Takuya Itaki⁴, Tsuyoshi Ishikawa², Yasufumi Iryu¹ (1.Tohoku University, 2.JAMSTEC, 3.Kochi University, 4.AIST)

*Haruna Sugazawa¹, Hideko Takayanagi¹, Yusuke Yokoyama², Takuya Itaki³, Toshihiro Miyajima², Yasufumi Iryu¹ (1.Graduate School of Science,Tohoku university, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.Advanced Industrial Science and Technology)

*Ryuji Asami¹, Rikuto Hondoh², Ryu Uemura³, Ryuichi Shinjo⁴, Chuan-Chou Shen⁵, Akihiro Kano⁶, Masaki Fujita⁷, Shinji Yamasaki⁸, Hideko Takayanagi¹, Yasufumi Iryu¹ (1.Graduate School of Science, Tohoku University, 2.Faculty of Science, Tohoku University, 3.Graduate School of Environmental Studies, Nagoya University, 4.Faculty of Science, University of the Ryukyus, 5.National Taiwan University, 6.School of Science, the University of Tokyo, 7.National Museum of Nature and Science, 8.Okinawa Prefectural Museum and Art Museum)

*Ko-Yuan Chuang¹, Ryuji ASAMI¹, Hideko TAKAYANAGI¹, Toru NAKAMORI¹, Yasufumi IRYU¹ (1.Tohoku University, Department of Earth Science)

*Riho Tomatsu¹, Marc Humblet¹, Kazuhiko Fujita², Yui Kouketsu¹, Yasufumi Iryu³ (1.Graduate School of Environmental Studies, Nagoya University, 2.Department of Physics and Earth Sciences, University of the Ryukyus, 3.Institute of Geology and Paleontology Graduate School of Science Tohoku University)