Congress / Shimabara Volcanological Society of Japan IAVCEI Faculty of Sciences / Kyushu Univ. / Volcanological Society of Japan Fukko Arena Gamadas Dome Usu Field / Conference committee / Fuji Coordinator Setsuya Nakada Teijiro Yoshioka Organizing Committee Hiroshi Shimizu Shigeo Aramaki Toshitsugu Fujii Hiromu Okada Junichi Hirabayashi Kazuhiro Ishihara Shin’ichi Sugimoto Secretariat / Earthquake Research Institute / /