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New trigger proposed for record-smashing 2022 Tonga eruption

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80% Informative

New trigger proposed for record-smashing 2022 Tonga eruption.

Previously unstudied data from a seismic wave, detected 750 kilometers from the seamount, may bolster tsunami early-warning systems.

Researchers propose that the seismic wave was caused by a fracture in a weak area of oceanic crust beneath the volcano's caldera wall.

A Seismic Precursor 15 min Before the Giant Eruption of Hunga TongaHunga Ha'apai Volcano on 15 January 2022 . Geophysical Research Letters , 2024 ; 51 ( 21 ) DOI: 10.1029/2024GL111144 Cite This Page:.

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