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

Sun. May 24, 2026 3:30 PM - 5:00 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

Chairperson:Hasegawa Takeshi(Department of Earth Sciences, College of Science, Ibaraki University), Kiyosugi Koji(Department of Planetology, Graduate School of Science, Kobe University)

This session focuses on generation and accumulation processes of magma, magma-crust interaction and degassing, and modes of eruption, long-term forecast of eruption, dispersal and emplacement of the volcanic products. The discussion spans petrological, geochemical, geophysical, and geological processes related with volcanic activity and products in the past, the present and the future.

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3:30 PM - 3:45 PM

[SVC36-01] Re-examination of the pre-collapse edifice-building history of the southern area of Bandai Volcano, northeast Japan

*Koki Furusho¹, Mamoru Koarai¹ (1. Ibaraki University )

3:45 PM - 4:00 PM

[SVC36-02] Temporal variations of the magma supply system of the Fuji volcano constrained from lava chemistry

*Yusuke Katsuki¹, Shuhei Sakata¹, Hitomi Nakamura², Tatsuji Nishizawa³, Satoru Haraguchi¹, Masaki Takahashi⁴, Shun'ichi Nakai¹, Hikaru Iwamori¹ (1. Earthquake Research Institute, The University of Tokyo, 2. Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 3. Volcanic Disaster Research Center, Mount Fuji Research Institute, Yamanashi Prefectural Government, 4. Institute of Natural Sciences, College of Humanities and Sciences, Nihon University)

4:00 PM - 4:15 PM

[SVC36-03] Evolution of caldera-forming activity in a mafic volcano: insights from two calderas (Hatchodaira and Kuwanokidaira) at Miyakejima volcano, Japan

*Ora Nonaka¹, Takeshi Hasegawa^1,2, Haruto Kitano², Miu Sekiya², Haru Samoto² (1. Graduate School of Science and Engineering, Ibaraki University, 2. Depearment of Earth Sciences, College of Science, Ibaraki University)

4:15 PM - 4:30 PM

[SVC36-04] Flow and emplacement mechanisms of the Pliocene Hachibuseyama “Flood Andesite” lava

*Susumu Umino¹, Kyoko Kanayama², Trinh Nguyen³, Norikatsu Akizawa⁴, Yoshiaki Sugamori⁵ (1. College of Science and Engineering, Kanazawa University, 2. San-in Kaigan Geopark Nature Museum, 3. Faculty of Geology, University of Natural Sciences, Vietnam National University Ho Chi Minh City, 4. Earth and Planetary System Science, Hiroshima University, 5. Department of Agricultural, Life and Environmental Sciences, Tottori University)

4:30 PM - 4:45 PM

[SVC36-05] Historical eruptive pattern and rough prediction of future effusive eruption at Mt Batur (Bali, Indonesia): The role of pre-eruptive processes in magma reservoir

*Gammanda Adhny El Zamzamy Latief^1,2, Indranova Suhendro^2,3, Pandu Eka Priyana², Takeshi Hasegawa¹ (1. Graduate School of Science and Engineering, Ibaraki University, Mito, Japan, 2. Department of Environmental Geography, Faculty of Geography, Universitas Gadjah Mada, Jl. Kaliurang, Bulaksumur, Yogyakarta, 55281, Indonesia, 3. Center for Disaster Studies, Bulaksumur, Yogyakarta, 55281, Indonesia)

4:45 PM - 5:00 PM

[SVC36-06] Predicting the volcano explosivity index using caldera dimensions: Implications for data completion and understanding the spatio-temporal distribution of Quaternary caldera-forming eruptions in Indonesia

*Indranova Suhendro¹, Takeshi Hasegawa² (1. Department of Environmental Geography, Faculty of Geography, Universitas Gadjah Mada, 2. Department of Earth Sciences, Faculty of Science, Ibaraki University)

Session information