[S-VC40] Volcanic eruption dynamics and mechanisms: controlling physical and chemical processes

[SVC40-P03] Spatiotemporal relationship between a subsurface pressure source and groundwater flow: Observations at the Onikobe and Rausu Geysers, Japan

*Harutou Tanabe^1,3, Koki Aizawa², Takeshi Matsushima², Asumi Katsuyama³ (1. Japan Meteorological Agency, 2. Institute of Seismology and Volcanology, Faculty of Science, Kyushu University, 3. Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University)

Keywords:Geyser activity, Phreatic eruption, Electric self-potential, Ground tilt