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Diaporama
Havre Seamount volcan
Volcan sous-marin unknown (around 3,000 ft / 1000 m below surface)
Kermandec Islands, -31.1°S / -179.04°W
Condition actuelle: normal / en sommeil (1 sur 5)| Reports
Havre Seamount livres
Eruptions du volcan Havre Seamount:
2012 (July-ongoing)
Style éruptif tipique:
explosive
Derniers séismes proches
Derniers images satellite
 

Havre Seamount volcano news & activity updates

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

Friday Oct 26, 2012 12:05 PM | AUTEUR : 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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Actualités précédentes
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. ... [details]
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. ... [details]

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