*Shigeyuki Aoki1 (1.Faculty of Letters, Chuo University)
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)