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

Fri, 26 Oct 2012, 12:05

12:05 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)

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.

All news about: Havre Seamount volcano
Information about: Havre Seamount volcano

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New Volcanic Cone Confirms the Havre Seamount Eruption (Eruptions Blog)

Previous news

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

Mon, 13 Aug 2012, 17:00

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).

The source of the recently observed giant pumice raft in the Kermadec Islands was most likely identified as the largely unknown Havre Seamount. ... Read all

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