Volcanic tsunamis pose significant threats. This study examines the 2022 Tonga volcanic eruption, revealing a coupled atmosphere-ocean source mechanism for tsunami generation. The leading air-pressure wave accurately predicts tsunami behavior. The eruption process governs both air-pressure and tsunami dynamics; crater volume controls ejecta (air-pressure waves), and mass loss in the ocean triggers water influx (tsunami). This mechanism differs from previous hypotheses and suggests incorporating air-pressure sensors into early warning systems.
Publisher
Communications Earth & Environment
Published On
Sep 30, 2024
Authors
Y. Tony Song, Philip S. Callahan, Jean-Damien M. Desjonqueres, Severine Fournier, Josh K. Willis
Tags
volcanic tsunamis
Tonga eruption
atmosphere-ocean interaction
tsunami prediction
air-pressure waves
early warning systems
crater dynamics
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