convener:Masa-yuki Yamamoto(Department of systems engineering, Kochi University of Technology), Nobuo Arai(Disaster Mitigation Research Center, Nagoya University), Mie Ichihara(Earthquake Research Institute, University of Tokyo), Takayuki Otsu(Japan Weather Association)

convener:Hisashi Suzuki(Otani University), Tohru Sakiyama(Institute of Geo History, Japan Geochronology Network), Naoki Takahashi(Natural History Museum and Institute, Chiba)

convener:Michiko Yajima(College of Humanity and Science, Nihon University), Toshihiro Yamada(Taisho University), Shigeyuki Aoki(Faculty of Letters, Chuo University), Shigeo Yoshida(Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu University)

convener:Akira Usui(Marine Core Research Center, Kochi University), Yoshio Takahashi(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Katsuhiko Suzuki(Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology), Takashi Ito(Faculty of Education, Ibaraki University)