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Latest news from Gaua volcano:
Wednesday, Aug 14, 2013
A tendency of increasing seismic activity has been observed since June and GeoHazards keep a close eye on the volcano, which still remains at alert level 1 (on a scale of 4) for the moment. Areas within 3 km from the crater and the summit area should not be approached, today's new volcanic activity bulletin reads. ... [more]
Monday, Apr 29, 2013
The Wellington VAAC reported on 29 April that a Qantas Airline pilot noticed a possible ash plume from Gaua volcano. ... [more]

Gaua volcano

stratovolcano 797 m / 2,615 ft
Vanuatu, -14.27°S / 167.5°E
Current status: dormant (1 out of 5)
Gaua volcano books | Tours
Last update: 29 May 2016 (seismic unrest, degassing)
Typical eruption style: explosive, ash eruptions
Gaua volcano eruptions: July 1962, 1963, Sep 1965, 1966, Jul 1967, 1968, Sep 1969, May 1971, Oct 1973 - Jan 1974, Jan 1976, April 1977, 1980, July 1981, April 1982, Sep 2009 - ongoing
TimeMag. / DepthDistanceLocation
Tue, 12 Sep
Tue, 12 Sep 14:48 UTCM 4.7 / 41 km25 km- 24km SSE of Sola, Vanuatu
Gaua is one of the most remote and most active volcanoes of the Vanuatu archipel. Its most recent eruption started in Sep 2009 from Mt Garet inside the caldera lake and is ongoing (as of April 2010).

Background:

The roughly 20-km-diameter Gaua Island, also known as Santa Maria, consists of a basaltic-to-andesitic stratovolcano with an 6 x 9 km wide summit caldera. Small parasitic vents near the caldera rim fed Pleistocene lava flows that reached the coast on several sides of the island; several littoral cones were formed where these lava flows reached the sea. Quiet collapse that formed the roughly 700-m-deep caldera was followed by extensive ash eruptions. Construction of the historically active cone of Mount Garat (Gharat) and other small cinder cones in the SW part of the caldera has left a crescent-shaped caldera lake. The symmetrical, flat-topped Mount Garat cone is topped by three pit craters. The onset of eruptive activity from a vent high on the SE flank of Mount Garat in 1962 ended a long period of dormancy. (Source: GVP)


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