Tobias Schwestermann¹、*Jyh-Jaan Huang¹、Gerold Wefer²、Ken Ikehara³、Toshiya Kanamatsu⁴、Arata Kioka¹、Timothy Ian Eglinton⁵、Negar Haghipour⁵、Michael Strasser^1,2 (1.Institute of Geology, University of Innsbruck, Innrain 52, 6020 Innsbruck, Austria、2.MARUM – Center for Marine Environmental Sciences and Department of Geosciences, University of Bremen, Klagenfurter Str., 28359 Bremen, Germany、3.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 7, 1-1-1 Higashi, Tsukuba, 305-8567, Japan、4.Research and Development Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Sciences and Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka, 237-0061, Japan、5.Geological Institute, ETH Zurich, Sonneggstrasse 5, 8092 Zurich, Switzerland)