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

2026年5月27日(水) 15:30 〜 17:00 国際会議室 (IC) (幕張メッセ国際会議場)

座長:松本恵子(産業技術総合研究所地質調査総合センター)、常松佳恵(山形大学)、Park Jong Gil(Rice University)

Volcanic eruptions encompass multiple interrelated phenomena, from magma accumulation at depth to vesiculation and crystallization during magma ascent in volcanic conduits, culminating in the dispersion of volcanic products. Advancing from physical and chemical processes to mechanisms and ultimately to eruption dynamics is necessary for a comprehensive understanding of volcanic eruption. A broad range of approaches is required to elucidate these subjects. We welcome contributions from geophysical and geochemical observations of active/quiet volcanoes, petrological/geochemical measurements of eruptive products, theoretical approaches, numerical simulations, laboratory experiments, and interdisciplinary studies that combine the above approaches.

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15:30 〜 15:45

[SVC40-13] Protracted assembly of the magmas feeding the 1783-84 Laki fissure eruption, Iceland

★Invited Papers

*Euan Mutch^1,2, John Maclennan³, Margaret Hartley⁴ (1. Earth Observatory of Singapore, Nanyang Technological University, 2. Asian School of the Environment, Nanyang Technological University, 3. Department of Earth Sciences, University of Cambridge, 4. Department of Earth and Environmental Sciences, University of Manchester)

15:45 〜 16:00

[SVC40-14] Magma overpressure and depth estimates from partially exposed dykes

*Sirshendu Kumar Biswas^1,2, Tridib Kumar Mondal² (1. Hiroshima University, Graduate School of Advanced Science and Engineering, Earth and Planetary Systems Science Program, Kagamiyama 1-3-1, Higashi Hiroshima, Hiroshima 739-8526, Japan, 2. Geological Studies Unit, Indian Statistical Institute, Kolkata, 203 B.T. Road, Kolkata - 700108, West Bengal, India)

16:00 〜 16:15

[SVC40-15] Regional sensitivity analysis of a conduit flow model for andesitic lava effusion

*土屋彰登¹、小園誠史²、奥村聡³ (1. 東北大学大学院理学研究科地球物理学専攻、2. 防災科学技術研究所、3. 東北大学大学院理学研究科地学専攻)

16:15 〜 16:30

[SVC40-16] Reconstructing Fragmentation and Eruptive Variability from Proximal Ash Deposits at Mount Bromo, Indonesia

*Aisyah Qurrataaini¹, Tsukasa Ohba¹, Jananda Nuralam Indriyanto², Takashi Hoshide¹ (1. Akita University, 2. Institut Teknologi Bandung)

16:30 〜 16:45

[SVC40-17] 桜島火山における光学式ディスドロメーター観測に基づく降下火山灰粒子の実効密度推定と降灰過程の分析

*大野鷹士¹、安池由幸¹、西来邦章¹ (1. 原子力規制庁)

16:45 〜 17:00

[SVC40-18] 機械学習を用いた火山灰粒子の自動識別と桜島火山の火山灰への応用

*下司信夫¹、宮川歩夢²、松本恵子² (1. 九州大学大学院　理学研究院　地球惑星科学部門、2. 産業技術総合研究所　地質調査総合センター)

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