[S-VC45] Active Volcanism

convener:Yuta Maeda(Nagoya University), Takahiro Miwa(National research institute for earth science and disaster prevention), Takeshi Nishimura(Department of Geophysics, Graduate School of Science, Tohoku University)

This session discusses various aspects of active volcanisms including, but not limited to, recent and historical eruptions, various phenomena associated with the volcanic activities, underground structures of the volcanoes, and developments of new instruments based on geophysical, geochemical, geological, and multidiscipline approaches. We also welcome studies on understanding and predicting the transitions of the eruptive activities from observational, theoretical, and experimental approaches.

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[SVC45-31] Eruption process of vulcanian eruptions in Shinmoe-dake inferred from ash fall volumes and durations of volcanic tremors

*Jun Oikawa¹, Yasuhisa Tajima² (1.Earthquake Research Institute, University of Tokyo, 2.NIPPON KOEI CO.,LTD)

Cancelled

[SVC45-32] Harmonic tremor during the 2011 Shinmoe-dake eruption (2)

*Minoru Takeo¹ (1.The University of Tokyo)

[SVC45-33] Mechanisms of infrasonic pulses accompanying the 2018 small phreatic eruption at Iwo-yama volcano, Kirishima Volcanic Complex, Japan

*Dan Muramatsu¹, Takeshi Matsushima², Mie Ichihara³ (1.Dept. Earth Planet. Sci, Graduate school of Science, Kyushu Univ., 2.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu Univ., 3.Earthquake Research Institute, Univ. of Tokyo)

[SVC45-34] Seismic activity beneath Mt. Ontake linked the 2007 and 2014 eruptions

*Yoshiko Yamanaka¹, Shinichiro Horikawa¹ (1.Graduate School of Encironmental Studies, University of NAGOYA)

[SVC45-35] Process of small explosion at Stromboli volcano as inferred from analyses of broad-band seismic waveforms recorded at very-near-field stations

*Shunsuke Sugimura^1,2, Takeshi Nishimura¹, Maurizio Ripepe², Giorgio Lacanna², Denis Legrand³, Sébastien Valade² (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Department of Earth Sciences, University of Florence, 3.UNAM University)

[SVC45-36] Volcanic tsunami earthquakes repeating at submarine calderas (1): Physical mechanism

*Osamu Sandanbata¹, Shingo Watada¹, Kenji Satake¹, Hiroo Kanamori², Luis Rivera³, Zhongwen Zhan² (1.Earthquake Research Institute, the University of Tokyo, 2.California Institute of Technology, 3.Université de Strasbourg, CNRS, IPGS UMR 7516, F-67000 Strasbourg)