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A newly published study in the international Journal of Volcanology and Geothermal Research offers an alternative mechanism that triggered the 15 January 2022 Hunga (Tonga) eruption, proposing the powerful eruption was caused by a gas-driven climactic explosion rather than a phreatomagmatic one - where magma and water react violently through the water column.
This new research uses gravity-sensing satellites to track how changes in water storage on land can cause unexpected fluctuations in sea levels.
A number of talented ANU researchers have been elected as Fellows of the Australian Academy of Science.