New trigger proposed for recordsmashing 2022 Tonga eruption—unstudied data from seismic wave points to early signals

Nov 04, 2024

Fifteen minutes before the massive January 2022 eruption of the Hunga Tonga-Hunga Ha'apai volcano, a seismic wave was recorded by two distant seismic stations. Now, researchers argue that similar early signals could be used to warn of other impending eruptions in remote oceanic volcanoes.