2011年12月 Upward migration of the explosion source at Sakurajima volcano, Japan, reviled by a seismic network in the close vicinity of the summit crater AGU Fall meeting 2011 Ohminato, T, Kaneko, T, Koyama, T, Watanabe, A, Takeo, T, Iguchi, M 記述言語 英語 会議種別