*Yoshiya Iwasa¹, Akira Hama², Satoru Sugita³, Luca Claude Malatesta⁴, Daisuke Ishimura⁵, Takashi Nakata⁶ (1.Oita University, 2.Chiba University, 3.Chubu University, 4.GFZ German Research Center for Geosciences, 5.Tokyo Metropolitan University, 6.Hiroshima University, Emeritus Professor)

*Luca Claude Malatesta¹, Nina-Marie Weiss¹, Daisuke Ishimura⁵, Boris Gailleton⁸, Takuya NISHIMURA², Naoya Takahashi⁴, Sumiko Tsukamoto⁹, Tetsuya Komatsu³, Yoshiya Iwasa⁶, Shigeru Sueoka³, Kyoko Kataoka⁷ (1.GFZ Potsdam, 2.Kyoto University, 3.Japan Atomic Energy Agency, 4.Tohoku University, 5.Tokyo Metropolitan University, 6.Oita University, 7.Niigata University, 8.University of Rennes, 9.LIAG Hanover)

*Naoya Takahashi¹, Yo Fukushima², Daisuke Ishimura³, Yoshiya Iwasa⁴, Luca Claude Malatesta⁵, Takayuki Takahashi², Chi-Hsien Tang², Keisuke Yoshida¹, Shinji Toda² (1.Graduate School of Science, Tohoku University, 2.International Research Institute of Disaster Science, Tohoku University, 3.Department of Geography, Tokyo Metropolitan University, 4.Center for Education and Research of Disaster Risk Reduction and Redesign, Oita University, 5.GFZ German Research Center for Geosciences)

*Yoshiya Iwasa¹, Takashi Nakata², Yasuhiro Kumahara³, Hideaki Goto³, Tomoru Yamanaka⁴, Yasuhiro Suzuki⁵, Kyoko Kagohara⁶ (1.Oita Univ., 2.Hiroshima Univ., 3.Hiroshima Univ., Emeritus Professor, 4.Hiroshima Univ., JSPS Research Fellow, 5.Nagoya Univ., 6.Yamaguchi Univ.)