[E] Oral
S (Solid Earth Sciences ) » S-VC Volcanology
Mon. May 25, 2026 10:45 AM - 12:15 PM 301B (International Conference Hall, Makuhari Messe)
Chairperson:Maeno Fukashi(Earthquake Research Institute, University of Tokyo), Fujita Eisuke(National research Instituite for Earth science and Disaster Resilience, Volcanic research department)
Recent submarine eruptions in island arc settings, including those at Fukutoku-Oka-no-Ba, Sofu Seamount, and Hunga Tonga-Hunga Ha'apai, have drawn new attention to the proximal and distal hazards of submarine eruptions that include pumice rafts, tsunami activity, and destruction of seafloor infrastructure. Elsewhere, long-term detailed geochemical and geophysical observations of deep submarine mafic eruptions such as at Axial Seamount and Fani Maore (Mayotte) have enabled new insights connecting their eruption dynamics, magma plumbing systems, and tectonic context. These modern eruption observations add to the studies of submarine volcanic edifices that together are revealing the full history, causes and impacts of submarine eruptions, such as in the Ogasawara islands where volcanic edifices record the evolution of submarine volcanism from subduction initiation at 52 Ma to the present-day, and where the andesite eruptions of Nishinoshima are proposed to represent continental crust formation through submarine volcanism in thin arc crust. Comprehensive investigations are required not only to improve our ability to predict and mitigate submarine eruption hazards but also to elucidate the fundamental geological processes that control the occurrence and consequences of submarine volcanism. Considering the diversity of submarine volcanism across island arcs, mid-ocean ridges, hotspots, and large oceanic plateaus, we welcome active participation and contributions from researchers who are observing, analyzing, and modeling submarine volcanism.
10:45 AM - 11:00 AM
*Masayuki Obayashi1, Junko Yoshimitsu1 (1. Japan Agency for Marine-Earth Science and Technology)
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11:00 AM - 11:15 AM
*Genki Oikawa1, Tomoya Takano1, Tomofumi Kozono1, Eisuke Fujita1, Takashi Hirose2 (1. National Research Institute for Earth Science and Disaster Resilience, 2. Graduate School of Science, Tohoku University)
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11:15 AM - 11:30 AM
*Shohji Funayama1, Shingo Watada2, Osamu Sandanbata2, Kudo Aoi1 (1. Department of Earth Planetary Science, School of Science, The University of Tokyo, 2. Earthquake Research Institute, The University of Tokyo)
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11:30 AM - 11:45 AM
*Yoshihiko Tamura1, Ryuta Arai1, Iona McIntosh1, Osamu Ishizuka2, Shuichi Kodaira1, Narumi Takahashi1 (1. Research Institute for Marine Geodynamics, Japan Agency for Maine-Earth Science and Technology, 2. GSJ, AIST)
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11:45 AM - 12:00 PM
*Masako Tominaga1, Kurt Panter2, Carole Berthod3, Cecile Prigent4, Marie Walter4, Jyun-Nai Wu1, Florian Neumann5, Jonas Preine1 (1. Department of Geology and Geophysics, Woods Hole Oceanographic Institution. Woods Hole, MA, USA , 2. School of Earth, Environment and Society Bowling Green State University, Bowling Green, OH, USA , 3. Observatoire volcanologique et sismologique de Guadeloupe, Institut de physique du globe de Paris, F-97113 Gourbeyre, France , 4. Université Paris-Cité, Institut de physique du globe de Paris, CNRS, UMR 7154, F-75005 Paris, France , 5. MARUM Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany )
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Discussion (12:00 PM - 12:15 PM)
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