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Source of the pumice raft in the Kermandec islands discovered: Havre Seamount

lun, 13 ago 2012, 17:00
17:00 PM | POR: T
Terra image of the Havre plume and pumice, taken on the morning of July 18, 2012. (NASA Earth Observatory & Eruptions Blog).
Terra image of the Havre plume and pumice, taken on the morning of July 18, 2012. (NASA Earth Observatory & Eruptions Blog).
La fuente de la balsa de piedra pómez gigante recientemente observados en las islas de Kermadec probablemente fue identificado como el submarino de Havre desconocida.
Erik Klemetti (Blog de erupciones) y Robert Simmon (NASA Earth Observatory) «miró hacia atrás a través de imágenes de la zona y encontró un penacho de ceniza y el comienzo de una balsa de piedra pómez sobre 18 de julio de 2012, entre Isla Macauley y Volcán w el.»
Según Klemetti, la erupción parece han comenzado con una fase explosiva durante alrededor de 18-20 de julio, luego pausa y probablemente reanudó alrededor o antes del 11 de agosto, cuando se observó la piedra pómez reciente.
Así, parece que se identificó un nuevo volcán activo que no se encuentra aún por la GVP Smithsonian.
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) Erupciones del volcán Havre Seamount:
2012 (July-?)
Typical eruption style
explosive
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