*Shintaro Yamasaki¹, Kyoko S Kataoka², Yoshitaka Nagahashi³ (1.Kitami Institute of Technology, 2.Research Institute for Natural Hazards and Disaster Recovery, Niigata University, 3.Fukushima University)

*Saiko Sugisaki¹, Andrew Murray², Jan-Pieter Buylaert^2,3, Ryuji Tada⁴, Yasufumi Satoguchi⁶, Yoshitaka Nagahashi⁵, Ken Ikehara¹, Tomohisa Irino⁷, Richard W. Murray⁸, Carlos A. Alvarez-Zarikian⁹ (1.Geological Survey of Japan, AIST, 2.Aarhus University, 3.Technical University of Denmark, 4.The University of Tokyo, 5.Fukushima University, 6.Lake Biwa Museum, 7.Hokkaido University, 8.Boston University, 9.Texas A&M University)

*Saiko Sugisaki¹, Andrew Murray², Jan-Pieter Buylaert^2,3, Ryuji Tada⁴, Yasufumi Satoguchi⁶, Yoshitaka Nagahashi⁵, Ken Ikehara¹, Tomohisa Irino⁷, Richard W. Murray⁸, Carlos A. Alvarez-Zarikian⁹ (1.Geological Survey of Japan, AIST, 2.Aarhus University, 3.Technical University of Denmark, 4.The University of Tokyo, 5.Fukushima University, 6.Lake Biwa Museum, 7.Hokkaido University, 8.Boston University, 9.Texas A&M University)

*Takuya Sagawa¹, Yoshitaka Nagahashi², Yasufumi Satoguchi⁶, Takuya Itaki³, Ann Holbourn⁷, Ken Ikehara³, Tomohisa Irino⁴, Ryuji Tada⁵ (1.Institute of Science and Engineering, Kanazawa University, 2.Faculty of Symbiotic Systems Science, Fukushima University, 3.Geological Survey of Japan, AIST, 4.Faculty of Environmental Earth Science, Hokkaido University, 5.Department of Earth and Planetary Science, The University of Tokyo, 6.Lake Biwa Museum, 7.Institute of Geosciences, Christian-Albrechts-University)