A geothermal system related to a caldera by geophysical surveys - An example of the Ontake volcano, Central Japan


Junna Kanehiro1, Toru Mogi2, Hiroshi Ichihara3, Koshun Yamaoka3, Mamoru Adachi3 and Ryo Tanaka4, (1)Hokkaido University, Sapporo, Japan, (2)Hokkaido Univ, Sapporo, Japan, (3)Nagoya University, Nagoya, Japan, (4)Institute of Seismology and Volcanology, Hokkaido University, Sapporo, Japan