Socompa, Chile-Argentina

Volcano Type: Stratovolcano
Volcano Status: Radiocarbon
Last Known Eruption: 5250 BC (?)
Summit Elevation: 6051 m   19,852 feet
Latitude: 24.40°S   24°24’0″S
Longitude: 68.25°W   68°15’0″W

Socompa Volcano is located on the Chile/Argentina border in the subtropical Andes. Socompa Volcano lies at the southeastern end of the Atacama Basin. The volcano contains the best preserved debris avalanche deposit in the world.

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Originally posted 2010-11-09 04:23:48.

Lanin, Argentina

Lanin

Lanin

Volcano Type: Stratovolcano
Volcano Status: Radiocarbon
Last Known Eruption: 560+ years ago
Summit Elevation: 3747 m 12,293 feet
Latitude: 39.633°S  39°37’58″S
Longitude: 71.500°W 71°29’59″W

Lanín is an ice-clad, cone-shaped stratovolcano on the border of Argentina and Chile. It forms part of two national parks: Lanín in Argentina and Villarrica in Chile. It is a symbol of the Argentine province of Neuquén, being part of its flag and its anthem. Although the date of its last eruption is not known, it is estimated to have occurred within the last 10,000 years. Following the 1906 Valparaíso earthquake a local newspaper reported the volcano to have erupted, however in a work published in 1917 by Karl Sapper claims the news were disputed.

Lanin 2

Lanin 2

The ascent is regulated by the management of Argentine National Parks and the Argentine National Gendarmerie, and is technically relatively simple but has however a much higher level of exposure than the neighbouring volcanoes. The nearest towns, usually employed as a base for climbers, are Pucón in Chile and Junín de los Andes in Argentina.

There are two paths to the summit: one on the north, starting at 1,200 metres above mean sea level near Tromen Lake and the international Mamuil Malal Pass, accessible via Neuquén’s Provincial Route 60; and one on the south, starting beside Huechulafquen Lake, accessible via Provincial Route 61.

Lanin 3

Lanin 3

Originally posted 2011-04-14 19:50:03.

Cerro Galán, Argentina

Volcano Type: Caldera
Last Known Eruption: Unknown
Summit Elevation: 5,912 m   19,396 feet
Latitude: 25°55′S
Longitude: 66°52′W

Cerro Galan Caldera is located in an arid region of Catamarca province, NW Argentina considered to be the best exposed large caldera in the world. It was formed 2.2 million years ago when 1,050 km3 of material was erupted, producing ignimbrite deposits stretching up to 100 km away. The caldera was originally the site of a large lake, but resurgence of the eastern caldera floor has confined the salty Laguna Diamante to the caldera’s western edge.

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Originally posted 2010-11-05 04:16:05.

Domuyo, Argentina

Volcano Type: Stratovolcano
Volcano Status: Holocene
Last Known Eruption: Unknown
Summit Elevation: 4709 m   15,449 feet
Latitude: 36.58°S   36°35’0″S
Longitude: 70.42°W   70°25’0″W

Volcán Domuyo is a 4709-m-high Argentinian stratovolcano of late-Pleistocene or possibly Holocene age. At least 14 dacitic lava domes and other eruptive centers were constructed within a broad 15-km-wide caldera, and at least another 5 lie outside the caldera. The largest of the latter is Volcán Chanque-Mallín on the ESE flank. It is truncated by a 4-km-wide caldera and contains a resurgent dome.

Originally posted 2010-11-08 04:45:51.