Havre Seamount eruption in July-August 2012 built new submarine cone
Friday Oct 26, 2012 14:05 PM | BY: T
The submarine eruption from Havre seamount in July-August this year has been confirmed by direct observation.
Multibeam sonar image of Havre seamount, with the new cone formed during the July 2012 eruption marked. (Eruptions Blog / NIWA, GNS Science)
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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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]
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]