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  • Presentation | V13D: Santorini Volcanic Region: Interdisciplinary Perspectives on Magmatism, Tectonics, and the 2025 Seismic Crisis Poster
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  • V13D-0116: Structural controls on hydrothermal fluid flow at Santorini and Kolumbo VolcanoesStructural controls on hydrothermal fluid flow at Santorini and Kolumbo Volcanoes
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Author(s):
Isobel Yeo, National Oceanography Centre (First Author)
Emma Gregory, University of Durham (Presenting Author)
Michael Clare, National Oceanography Centre
Paraskevi Nomikou, National and Kapodistrian University of Athens
John Jamieson, Memorial University of Newfoundland
Gaye Bayrakci, National Oceanography Center, Southampton
Anna Lichtschlag, Max Planck Institute for Marine Microbiology
Gemma Portlock, University of Southampton
Sofia Della Sala, University of Oxford
Katlin Bowman Adamczyk, United States Geological Survey
Alice Hopkins, University of Leeds
Erin Bethell, University of Ottawa
Jacob Nash, National Oceanography Center
Jennifer Spalding, university of ottawa
Jaycee Favela, USGS Global Marine Minerals
Sebastian Hölz, GEOMAR Helmholtz Centre for Ocean Research Kiel
Martin Wollatz-Vogt, GEOMAR Helmholtz Centre for Ocean Research Kiel
Tom Kwasnitschka, GEOMAR Helmholtz Centre for Ocean Research Kiel
Emilie Hooft, University of Oregon
Anna Katsigera, National and Kapodistrian University of Athens
Konstantin Reeck, GEOMAR Helmholtz Centre for Ocean Research Kiel
Hannah Zimmer, GEOMAR Helmholtz Centre for Ocean Research Kiel
Jieyu Tan, GEOMAR Helmholtz Centre for Ocean Research Kiel


Santorini and Kolumbo volcanoes in the Aegean Sea are some of the best characterised marine volcanic systems on our planet yet we know much less about the fluids that flow through them. This study maps the different locations, styles and temperatures of these systems and the heat flow through the volcano floor, to assess what is controlling fluid patways within the volcano. We find that the fluid flow aligns well with inferred structural features that appear to be the primary control.



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