HungaTonga_2022-01-15

Last modified at Jul 8th, 2022, 09:00 GMT

Phenomenon Time

Begin
Jan 15th, 2022, 04:14 GMT
End
Jan 15th, 2022, 04:30 GMT

Description

A powerful eruption event began on Hunga Tonga-Hunga Ha'apai, a submarine volcano in the Tongan archipelago in the southern Pacific Ocean. Although started on 2021-12-20 after being quiet since 2014, the series of follow-on eruptions included this large and powerful series of events nearly four weeks later, starting on 2022-01-13 15:20 UTC and reaching the climax on 2022-01-15 04:14 UTC when it manifested a "Plinian" VEI 5.8 category on the Volcanic Explosivity Index scale. Hunga Tonga-Hunga Ha'apai is part of the highly active Tonga-Kermadec Islands volcanic arc, a subduction zone extending from New Zealand north-northeast to Fiji.

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Metadata Information
Editor Royal Meteorological Institute of Belgium
Version 1
Created Friday 8th July 2022, 09:00
Last Modified Friday 8th July 2022, 09:00