Construction of late Quaternary eruption history in and around the Izu Volcanic Islands, off Tokyo

Kaori Aoki1, Makoto Kobayashi2, Masanori Murata3, Fumikatsu Nishizawa4, Takayuki Takahashi3 and Takehiko Suzuki3, (1)Tokyo Metropolitan University, Research Center for Volcanic Hazards and Their Mitigation, Tokyo, Japan, (2)Mt.Fuji World Heritage Center, Shizuoka, Japan, (3)Tokyo Metropolitan University, Research Center for Volcanic Hazards and Their Mitigation, Japan, (4)Kanagawa Prefectural Museum of Natural History, Japan