[S-VC28] Active Volcanism

Sat. Jun 5, 2021 9:00 AM - 10:30 AM Ch.25 (Zoom Room 25)

convener:Yuta Maeda(Nagoya University), Takahiro Miwa(National research institute for earth science and disaster prevention), Takeshi Matsushima(Institute of Seismology and Volcanology, Faculty of Science, Kyushu University), Chairperson:Taketo Shimano(Graduate School of Environment and Disaster Research, Tokoha University), Takahiro Miwa(National research institute for earth science and disaster prevention)

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

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9:00 AM - 9:15 AM

[SVC28-19] Temporal variation of conduit process during the 2018 eruptive activity at Shinmoedake volcano, Japan: Implications from a time series of ash characteristics

*Takahiro Miwa¹, Masashi NAGAI¹, Hideki Ueda¹, Taku Ozawa¹, Eisuke Fujita¹ (1.National research institute for earth science and disaster resilience)

9:15 AM - 9:30 AM

[SVC28-20] An emplacement mechanism of submarine pyroclastic products: insight form the seismic studies on Kikai caldera

*Satoshi Shimizu^1,2, Nobukazu Seama^3,1, Reina Nakaoka¹, Keiko Suzuki-Kamata¹, Koji Kiyosugi¹, Katsuya Kaneko^3,1, Tetsuo Matsuno¹, Yoshiyuki Tatsumi¹ (1.Kobe Ocean-Bottom Exploration Center, Kobe University, 2.Nippon Marine Enterprises, Ltd., 3.Department of Planetology, Graduate School of Science, Kobe University)

9:30 AM - 9:45 AM

[SVC28-21] Comparison of subaerial and submarine deposits from the Kikai Akahoya eruption

*Reina NAKAOKA¹, Keiko Suzuki-Kamata¹, Satoshi Shimizu¹, Katsuya Kaneko², Nobukazu Seama², Koji Kiyosugi¹, Takeshi Hanyu³, Yoshiyuki Tatsumi¹, CK20-S01 Leg2 Cruise Scientists, KS19-17 Cruise Scientists, KR20-11 Cruise Scientists (1.Kobe Ocean-Bottom Exploration Center, Kobe University, 2.Department of Planetology, Kobe University, 3.Japan Agency for Marine-Earth Science and Technology)

9:45 AM - 10:00 AM

[SVC28-22] Tephrostratigraphy of drilled core C9010E off the Boso Peninsula: Estimated source volcano for 9th century eruption events

*Kaori Aoki¹, Makoto Kobayashi^2,1, Masanori Murata¹, Takehiko Suzuki¹ (1.Research Center for Volcanic Hazards and Their Mitigation, Tokyo Metropolitan University, 2.Mt.Fuji World Heritage Centre, Shizuoka)

10:00 AM - 10:15 AM

[SVC28-23] Caldera structure and formation at Atosanupuri and Akaigawa, Hokkaido, northern Japan: A comparison of analogue sandbox experiments and field data

*Ryuhei Sanjo¹ (1.Institute of Geography, Graduate School of Science, Tohoku University)

10:15 AM - 10:30 AM

[SVC28-24] Current state evaluation and long-term prediction of volcanic activity based on historical tracking of volcanic ash deposits at Suwanosejima volcano

*Taketo Shimano¹, Atsushi Yasuda², Masato Iguchi³ (1.Graduate School of Environment and Disaster Research, Tokoha University, 2.Earthquake Research Institute, University of Tokyo, 3.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University)

Session information