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Havre Seamount volcano
submarine volcano unknown (around 3,000 ft / 1000 m below surface)
Kermandec Islands, -31.1°S / -179.04°W
Havre Seamount volcano eruptions:
2012 (July-?)
Typical eruption style:
explosive
Last earthquakes nearby
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Havre Seamount eruption in July-August 2012 built new submarine cone

Friday Oct 26, 2012 14:05 PM | BY: T

Multibeam sonar image of Havre seamount, with the new cone formed during the July 2012 eruption marked. (Eruptions Blog / NIWA, GNS Science)
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.
NZ scientists used multibeam sonar to map the seamount and found evidence of a new volcanic cone, 240 m tall and reaching withing 1,100 m below sea level, built on the side of the large submarine caldera of Havre volcano.
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Previous news
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
Wednesday, Aug 22, 2012
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. ... [more]
Source of the pumice raft in the Kermandec islands discovered: Havre Seamount
Terra image of the Havre plume and pumice, taken on the morning of July 18, 2012. (NASA Earth Observatory & Eruptions Blog).
Monday, Aug 13, 2012
The source of the recently observed giant pumice raft in the Kermadec Islands was most likely identified as the largely unknown Havre Seamount. ... [more]
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