*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)

*Nobuhiko Nakano¹, Sotaro Baba², Shin-ichi Kagashima³ (1.Faculty of Social and Cultural Studies, Kyushu University, 2.Department of Science Education, University of the Ryukyus, 3.Department of Earth Science, Yamagata University)