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  The near- and far-field tsunami simulated by the 2022 Hunga Tonga Hunga Ha'pai explosion

Pakoksung, K., suppasri, a., Imamura, F. (2023): The near- and far-field tsunami simulated by the 2022 Hunga Tonga Hunga Ha'pai explosion, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-0039

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Item Permalink: https://gfzpublic.gfz.de/pubman/item/item_5017056 Version Permalink: https://gfzpublic.gfz.de/pubman/item/item_5017056_1
Genre: Conference Paper

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 Creators:
Pakoksung, Kwanchai1, Author
suppasri, anawat1, Author
Imamura, Fumihiko1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: On 15 January 2022 at 4:15 UTC Hunga Tonga Hunga Ha’apai submarine volcano was exposed and its explosion generated a tsunami as a unique global disaster in the Pacific Ocean. This study pointed to near- and far-fileld tsunami simulation, based on Numerical modeling. We estimated submarine explosion geometries result in a suitable explosion magnitude of approximately 25 megatons of trinitrotoluene (Mt) to determine with the waveform from the tide gauge. We estimated the maximum initial air pressure from the submarine explosion was assumed to be approximately 50 hPa with the 25 Mt. Using the nonlinear wave model, the calculated initial air pressure was used to simulate tsunamis.

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Language(s): eng - English
 Dates: 2023
 Publication Status: Finally published
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-0039
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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: -