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Latest news from Chaitén volcano:
jeudi, nov. 12, 2009
Chaitén's lava dome continues its growth and can shed pyroclastic flows and produce ash eruptions at all times. The alert level remains at its highest (red). [details]
mardi, mars 10, 2009
On 24 February it was reported that a partial dome collapse of Chaitén's Domo Nuevo 1 lava-dome complex a large amount of material accumulated in the basal ring depression surrounding the dome complex and throughout the Blanco River valley. Steam plumes with little ash content and explosions were noted. ... [details]

Chaitén volcan

Caldera, lava dome 1122 m
Argentine/Chili (sud), South America, -42.83°S / -72.65°W
Condition actuelle: en vigilance - niveau agité (2 sur 5)
Chaitén webcams / live data
Dernière mise à jour: 18 déc. 2012
Style éruptif tipique: Explosive, lava dome growth
Eruptions du volcan Chaitén: 2 May 2008 (plinian eruption) - ongoing Image of the rhyolitic lava dome of Chaitén Volcano during its 2008-2010 eruption (photo: Sam Beebe)
Chaitén photos du volcan

Derniers séismes proches: No recent earthquakes
TimeMag. / DepthDistanceLocation
Chaiten is a caldera volcano in southern Chile that had its first historic eruption on May 2, 2008 when it erupted violently. Ash fall and lahars during the eruption largely damaged the town of Chaitén, which had been evacuated as the eruption started. Eruption plume from Chaiten on 26 May 2008 - view from the SW. Lumpy areas on the middle to lower cone mark obsidian outcrops on the now buried older dome. Burned vegetation is visible at the bottom center along the Blanco River. Photo by Jeff Marso, 2008 (U.S. Geological Survey).

Introduction:

Chaitén is a small, glacier-free late-Pleistocene caldera with a Holocene lava dome located 10 km NE of the town of Chaitén on the Gulf of Corcovado. The north side of the rhyolitic, 962-m-high obsidian lava dome occupying the 3.5-km-wide caldera is unvegetated. Obsidian cobbles from this dome found in the Blanco River are the source of prehistorical artifacts from archaeological sites along the Pacific coast as far as 400 km away from the volcano to the north and south. The caldera is breached on the SW side by a river that drains to the bay of Chaitén, and the high point on its southern rim reaches 1,122 m. Two small lakes occupy the caldera floor on the west and north sides of the lava dome. Moreno (1985 pers. comm.) noted that the nearby volcano of Yelcho listed by the International Association of Volcanology and Chemistry of the Earth's Interior (1973) does not exist.
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Source: Global Volcanism Program at www.volcano.si.edu/world/volcano.cfm

Chaitén Photos:




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