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 Secretariat of the Pacific Regional Environment Programme

This dataset contains preliminary impact assessments of the Hunga-Tonga-Hunga-Ha'apai volcanic eruption and induced tsunami in January 2022.

The eruptions sent a plume of ash, gas and steam 20 kilometers (12.4 miles) into the air. Satellite imagery showed a massive ash cloud and shockwaves spreading from the eruption. Ash was falling from the sky in the Tonga capital, Nuku'alofa, Saturday evening and phone connections were down. The eruption was likely the biggest recorded anywhere on the planet in more than 30 years, according to experts.

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 SPREP,  Department of Environment, Tonga

The Hunga Tonga-Hunga Ha'apai massive undersea volcanic eruption occurred on the 15th of January 2022 and led to an induced tsunami event.  The eruption triggered a tsunami warning for several South Pacific island nations with rising water levels were reported on the coastline of Peru and the Pacific Coast in the United States and caused devastating impact across Tonga. In addition, volcanic ash residue was also visible on land surfaces including building structures and surrounding vegetation.

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