*Ryosuke Ito¹, Ryokei Yoshimura², Mitsuru Utsugi¹, Shinichiro Higashino³, Tesfaye Kidane⁴, Ameha A Mulneh⁵, Balemwal A Alemu⁵, Shin-ichi Kagashima⁶, Nobutatsu Mochizuki⁷, Chie Kato⁸, Naoto Ishikawa⁹ (1.Graduate School of Science, Kyoto University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Graduate School of Engineering, Kyushu University, 4.Wayne State University, 5.Addis Ababa University, 6.Faculty of Science, Yamagata University, 7.Faculty of Advanced Science and Technology, Kumamoto University, 8. Faculty of Social and Cultural Studies, Kyushu University, 9.Facultiy of Sustainable Design, Toyama University)

*Motoi Fukami¹, Nobutatsu Mochizuki², Osamu Ishizuka³, Nobuo Geshi³, Rex N Taylor⁴ (1.Graduate School of Science and Technology, Kumamoto University, 2.Faculty of Advanced Science and Technology, Kumamoto University, 3.Geological Survey of Japan, AIST, 4.University of Southampton)

*Ryuichiro Hidaka¹, Nobutatsu Mochizuki², Chie Kato³, Tesfaye Kidane⁴, Ameha A. Muluneh^5,6, Naoto Ishikawa⁷ (1.Department of Earth and Environmental Science, Graduate School of Science and Technology, Kumamoto University , 2.Department of Earth and Environmental Science, Faculty of Advanced Science and Technology, Kumamoto University, 3.Faculty of Social and Cultural Studies, Kyushu University, 4.Wayne State University, 5.GFZ German Research Centre for Geosciences, 6.Addis Ababa University, 7.Faculty of Sustainable Design, Toyama University)