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Latest news from Gaua volcano:Monday, Apr 29, 2013
The Wellington VAAC reported on 29 April that a Qantas Airline pilot noticed a possible ash plume from Gaua volcano. ...
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Tuesday, Jan 04, 2011
Activity at Gaua volcano on Vanuatu remains low. The Vanuatu Meteorological and Geohazards Department reports that the volcano is now emitting less gas, and vegetation near the vent and in the direction of the trade winds on the western side of the island which were burnt by acid rains are now growing again.
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Gaua volcanostratovolcano 797 m / 2,615 ft
Vanuatu, -14.27°S / 167.5°E Current status: minor activity or eruption warning (3 out of 5) Gaua webcams / live data [hide map] [enlarge map]
Last update: 29 Apr 2013 (possible ash eruption on 29 april)
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 Last earthquakes nearby:
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) |
