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  • Presentation | V33F: Magma Genesis to Surface Expression in Land-Sea Boundary and Extensional Settings I Poster
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  • V33F-0096: Deep Crater Excavation and Sustained Heat Flow Following the 2022 Hunga Eruption
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  • Board 0096‚ Hall EFG (Poster Hall)
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Author(s):
Cornel de Ronde, GNS Science (First Author, Presenting Author)
Sharon Walker, NOAA/PMEL
Fabio Caratori Tontini, University of Genoa
Stuart Henrys, GNS Science
Daniel Barker, GNS Science
Sam Davidson, National Institute of Water and Atmospheric Research
Alessio Bagnasco, University of Genoa


A multidisciplinary research cruise over Hunga volcano (Tonga) in 2024 has revealed a crater much deeper than previously thought was excavated during the catastrophic eruption of January 2022. Water column measurements show how a high-level of sustained heat flow is escaping from the volcano more than two years after the eruption.



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