Ocean pressure data measured beneath the Ross Ice Shelf responding to the 2022 Hunga Tonga–Hunga Haʻapai tsunami ...

On the 15 January 2022, the volcano Hunga Tonga–Hunga Ha'apai in the southwest Pacific Ocean (20°32'32.37"S 175°23'38.67"W) erupted in what proved to be the most powerful such event since Krakatau in 1883. Among the many impacts of the eruption, a substantial tsunami propaga...

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Bibliographic Details
Main Authors: Stewart, Craig, Horgan, Huw, Stevens, Craig
Format: Dataset
Language:unknown
Published: SEANOE 2022
Subjects:
Online Access:https://dx.doi.org/10.17882/96263
https://www.seanoe.org/data/00851/96263/
Description
Summary:On the 15 January 2022, the volcano Hunga Tonga–Hunga Ha'apai in the southwest Pacific Ocean (20°32'32.37"S 175°23'38.67"W) erupted in what proved to be the most powerful such event since Krakatau in 1883. Among the many impacts of the eruption, a substantial tsunami propagated throughout the southwest Pacific Ocean. The signatures of the eruption were recorded at a wide range of recording stations globally including the atmospheric pressure wave, the tsunami itself and in addition, higher order responses such as a tsunami associated with the pressure wave. Here we describe what is likely the most southerly oceanic measurement of the tsunami arrival as the event was detected in a sub-ice mooring at the grounding line of the Ross Ice Shelf at 82.47 o South. It was recorded on the margin of the Ross Ice Shelf along the Siple Coast at the KIS2 (Kamb Ice Stream 2) field camp by instruments deployed to record ice-ocean interactions in order to improve understand ocean effects on ice sheet stability. The data were ...