[S-VC43] Active Volcanism

[SVC43-08] Imaging the three-dimensional S-wave velocity structure beneath the Aira caldera using dense nodal seismic observations

*Ryota Takagi¹, Tomoya Takano², Shun Fukushima³, Takashi Hirose¹, Hisashi Nakahara¹, Takeshi Nishimura¹, Taishi Yamada⁴, Takeshi Tameguri⁴, Haruhisa Nakamichi⁴, Hiroshi Yakiwara⁵ (1. Graduate School of Science, Tohoku University, 2. National Research Institute for Earth Science and Disaster Resilience, 3. Graduate School of Science, Hokkaido University, 4. Disaster Prevention Research Institute, Kyoto University, 5. Graduate School of Science and Engineering, Kagoshima University)

Keywords:Aira caldera, Sakurajima volcano, Seismic velocity structure, Magma reservoir, Dense seismic observation