Worldwide Signature of the 2022 Tonga Volcanic Tsunami

نویسندگان

چکیده

The eruption of the Hunga Tonga-Hunga Ha'apai Volcano in January 2022 southwest Pacific islands Tonga triggered a tsunami that was detected beyond basin. Here we show its spatiotemporal signature as revealed by hundreds publicly available coastal tide gauge records from around world. characterized uniformly small leading wave arrived earlier than theoretically expected for freely propagating away volcano. In contrast, largest waves, up to +3 m high, were concentrated and their timing agrees well with propagation times While waves caused previously reported fast-moving atmospheric pressure pulse generated volcanic explosion, large observed later likely originated vicinity volcano although generation mechanism(s) cannot be identified data alone.

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ژورنال

عنوان ژورنال: Geophysical Research Letters

سال: 2022

ISSN: ['1944-8007', '0094-8276']

DOI: https://doi.org/10.1029/2022gl098153