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  Ice tongue calving in Antarctica triggered by the Hunga Tonga volcanic tsunami, January 2022

Liang, Q., Li, T., Zheng, L., Hui, F., Chen, Z., Cheng, X. (2023): Ice tongue calving in Antarctica triggered by the Hunga Tonga volcanic tsunami, January 2022, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-0531

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016944 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016944_1
Genre: Conference Paper

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 Creators:
Liang, Qi1, Author
Li, Teng1, Author
Zheng, Lei1, Author
Hui, Fengming1, Author
Chen, Zhuoqi1, Author
Cheng, Xiao1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: The extraordinary Hunga Tonga-Hunga Ha'apai volcano eruption occurred on 15 January 2022 had quite a global influence through ejecting volcanic ashes and unleashing a variety of strong waves that rippled through oceans and the atmosphere. Here we use remote sensing data to show that a tsunami triggered by the violent explosion resulted in calving from a remote Antarctic ice tongue. The volcano-triggered tsunami travelled over 6,000 km before impinging on the Drygalski Ice Tongue, resulting in the calving of a 10 km × 4.5 km iceberg from the ice front. Our study provides the most detailed observational evidence to date and confirms the linkages between the tsunami and the iceberg calving. Furthermore, it implies the stability of ice shelves in Antarctica may be influenced by extreme events outside the polar regions.

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Language(s): eng - English
 Dates: 2023
 Publication Status: Finally published
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-0531
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: -