*Naoto Ishikawa¹, Ryokei Yoshimura², Tesfaye Kidane³, Nobutatsu Mochizuki⁴, Shin-ichi Kagashima⁵, Tetsu Kogiso¹, Shin-ichiro Higashino⁶, Yo-ichiro Otofuji⁷ (1.Graduate School of Human and Environmental Studies, Kyoto University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Addis Ababa University, 4.Kumamoto University, 5.Yamagata University, 6.Kyushu University, 7.jGnet)

Yutaka Yoshimura¹, *Naoto Ishikawa¹, Yuhji Yamamoto², Hyeon-seon Ahn³, Tesfaye Kidane⁴, Yo-ichiro Otofuji⁵ (1.Graduate School of Human and Environmental Studies, Kyoto University, 2.Center for advanced Marine Core Research, Kochi University, 3.Gyeongsang National University , 4.Addis Ababa University, 5.jGnet)

*Naoto Ishikawa¹, Ryokei Yoshimura², Tesfaye Kidane³, Nobutatsu Mochizuki⁴, Shin-ichi Kagashima⁵, Tetsu Kogiso¹, Shin-ichiro Higashino⁶, Yo-ichiro Otofuji⁷ (1.Graduate School of Human and Environmental Studies, Kyoto University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Addis Ababa University, 4.Kumamoto University, 5.Yamagata University, 6.Kyushu University, 7.jGnet)

Yutaka Yoshimura¹, *Naoto Ishikawa¹, Yuhji Yamamoto², Hyeon-seon Ahn³, Tesfaye Kidane⁴, Yo-ichiro Otofuji⁵ (1.Graduate School of Human and Environmental Studies, Kyoto University, 2.Center for advanced Marine Core Research, Kochi University, 3.Gyeongsang National University , 4.Addis Ababa University, 5.jGnet)