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Havre Seamount volcano

Updated: Sep 27, 2022 13:18 GMT - refresh

submarine volcano unknown (around 3,000 ft / 1000 m below surface)
Kermandec Islands, -31.1°S / -179.04°W
Current status: normal or dormant (1 out of 5)

Last update: 24 Feb 2022

Havre Seamount is an active submarine volcano in the Kermandec Island arc about 75 SW of Curtis island. Little is known about the volcano. Its first document eruption probably started around 18 July 2012 and was discovered in August 2012 after a large pumice raft was discovered in the Kermandec islands, and scientist analyzed satellite recent pictures.

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Typical eruption style: explosive
Havre Seamount volcano eruptions: 2012 (July-?)

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See also: Sentinel hub | Landsat 8 | NASA FIRMS

Havre Seamount eruption in July-August 2012 built new submarine cone

Multibeam sonar image of Havre seamount, with the new cone formed during the July 2012 eruption marked. (Eruptions Blog / NIWA, GNS Science)

The submarine eruption from Havre seamount in July-August this year has been confirmed by direct observation. Read all

Wed, 22 Aug 2012, 10:05

Havre Seamount volcano (Kermandec Islands) activity update: pumice rafts drifting across ocean, no new pumice observed

The streamers of pumice (likely each less than a few kilometers across) from the July 18, 2012 eruption of Havre seamount spreading across the Pacific Ocean. The pumice has spread over an area of over 250,00 square kilometers in a little over one month. Image taken August 19, 2012, courtesy of NASA and R. Simmon, annotations by E. Klemetti / Eruptions Blog

The pumice rafts from the recent eruption of Havre Seamount in the Kermandec archipelago (discovered 9 Aug) are spreading across the ocean, currently over an area of 270,000 km2 / 100,000 sq. miles of the Pacific Ocean. No new pumice has been observed, which could indicate that the eruption has waned or is over. Read all

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