[S-VC36] Volcanic and igneous activities, and these long-term forecasting

[SVC36-P08] Geochronology and Sr isotope constraints on pre-caldera magmatic evolution at Aso volcano, central Kyushu, Japan

*Masaya Miyoshi¹, Hirochika Sumino², Ryoko Senda³, Takashi Sano⁴, Masataka Kawaguchi⁵, Toshiaki Hasenaka⁶, Noritaka Umezaki⁷ (1. Department of Earth System Science, Faculty of Science, Fukuoka University, 2. Research Center for Advanced Science and Technology, The University of Tokyo, 3. Faculty of Social and Cultural Studies, Kyushu University, 4. Department of Science, National Museum of Nature and Science, 5. Earthquake Research Institute, The University of Tokyo, 6. Center for Water Cycle, Marine Environment and Disaster Management, Kumamoto University, 7. Corporation Avance)

Keywords:magmatic activity, Aso caldera, K-Ar age, Geochemistry