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Posts tagged Eruption

Chile’s Puyehue-Cordón Caulle Volcano Active Again – February 10th, 2012

40.6S 72.5W

February 10th, 2012 Category: Image of the day, Volcanoes

Chile and Argentina - February 6th, 2012

Chile’s Puyehue-Cordón Caulle volcano releases ash and steam once again in early February. Here, the ash plume can be seen blowing to the east-northeast, over Argentina. Misleadingly called by media the Puyehue eruption, the eruption is actually from the Cordon Caulle fissure.

The eruption began over eight months ago, in the Puyehue-Cordón Caulle volcanic complex, on June 4, 2011, although increased seismic activity had been reported even earlier, on April 27, 2011. The ash cloud from the first period of eruptions was blown across cities all around the Southern hemisphere, including Bariloche, Buenos Aires, Montevideo, Stanley, Porto Alegre, Cape Town, Hobart, Perth, Adelaide, Sydney, Melbourne, Wellington and Auckland, forcing airlines to cancel hundreds of international and domestic flights and causing travel chaos.

Volcanic Ash and Steam Released from Puyehue-Cordón Caulle Once Again – December 29th, 2011

40.6S 72.5W

December 29th, 2011 Category: Image of the day, Volcanoes

Argentina and Chile - December 24th, 2011

Volcanic ash and steam pour through a fissure of Chile’s Puyehue-Cordón Caulle volcano that opened several months earlier. The active fissure lies northwest of the Puyehue caldera, and a plume blows from the fissure westwards to the coast, then northwestwards over the Pacific Ocean.

Chile’s Servicio Nacional de Geología y Minería has characterized the recent activity as a minor eruption of low intensity. Puyehue-Cordón Caulle is a stratovolcano, a steep-sloped, conical volcano composed of layers of ash, lava, and rocks released by previous eruptions. The volcano is 2,236 meters (7,336 feet) high.

Ash Plume from Mount Etna, Italy – October 16th, 2011

37.7N 14.9E

October 16th, 2011 Category: Image of the day, Volcanoes

Italy - October 13th, 2011

A plume of ash can be seen spewing from Mount Etna and blowing towards the southeast. Mount Etna is an active stratovolcano on the east coast of Sicily, close to Messina and Catania.

It is the tallest active volcano in Europe, currently standing 3,329 metres (10,922 ft) high, though this varies with summit eruptions; the mountain is 21 m (69 ft) higher than it was in 1981. It is the highest mountain in Italy south of the Alps. Etna covers an area of 1,190 km² (460 sq mi) with a basal circumference of 140 km. This makes it by far the largest of the three active volcanoes in Italy.

Ash from Puyehue-Cordon Caulle – August 16th, 2011

40.6S 72.5W

August 16th, 2011 Category: Image of the day, Lakes, Mountains, Volcanoes

Chile and Argentina - August 15th, 2011

Volcanic ash from the Puyehue Volcano in Chile can be seen spreading over the Andes Mountains and across Argentine Patagonia. The ash partially obscures the Piedra del Águila Reservoir, although the El Chocón Reservoir can be observed at the upper right.

The Puyehue-Cordón Caulle volcanic eruption has be going on since June 4, 2011. Scientists have determined that the eruption is actually from the Cordón Caulle fissure of the volcanic complex, although most media continue to refer to the event as the Puyehue eruption.

Ash from Puyehue Volcano Over Valdes Peninsula, Argentina

42.5S 64W

August 15th, 2011 Category: Volcanoes

Argentina - August 14th, 2011

Ash from the 2011 Puyehue volcanic eruption shows up faintly off the coast of Argentina in the lower left quadrant of this image. The ash lightly veils the Valdes Peninsula.

Also visible along the shoreline are sediments near Bahia Blanca (center) and in the Rio de la Plata Estuary (top). The city of Buenos Aires can be observed as a grey area at the edge of the estuary.

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