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Volcano news
Thursday, Sep 11, 2014
A pilot reported seeing an ash plume at flight level 170 (17,000 ft, 5 km) altitude today, but there are no other indications that an eruption took place and it could be a false eruption report as weather clouds can sometime easily be mistaken by ash plumes. [more]
Copahue volcano, quiet at the surface, today (SERNAGEOMIN webcam)
Friday, Mar 21, 2014
SERNAGEOMIN raised the alert level of the volcano to orange yesterday after an increase in seismic activity. A pulse of volcanic tremor was detected that could indicate magma moving into the volcano's plumbing system. ... [more]
The active volcanoes of Argentina are located in the Andes mountains on the border with Chile and belong to the subduction zone of the Pacific underneath the Andean (South-American) plate straddling the whole west coast of South America.
Tuzgle
(stratovolcano)
Cerro Tuzgle volcano in NW Argentina is the easternmost young stratovolcano of the Central Andes. It is about 120 km distance east of the main volcanic front. It has many young lava flows from the well-preserved summit crater and from flank vents on the SW and SE slopes. The youn... [more]

Aracar
(stratovolcano)
Aracar volcano is a probably still active stratovolcano in NW Argentina close to the border with Chile. The volcano has a well-preserved 1.5 km wide summit crater with a small crater lake and steep eroded flanks. It is not known whether there has been activity in the Holocene (pa... [more]

Socompa
(stratovolcano)
Socompa is a massive stratovolcano on the Chile/Argentina border. It is located at the southeastern end of the Atacama Basin and immediately north of the only railway line between Chile and Argentina.
The dacite volcano is known for having the world's largest and best prese... [more]

Llullaillaco
(stratovolcano)
Llullaillaco is the world's highest historically active volcano. It is on the border between Chile and Argentina and belongs to the Puna de Atacama, a region of very high volcanic peaks on a high plateau within the Atacama Desert, one of the driest places in the world.
The... [more]

Escorial
(stratovolcano)
Cerro Escorial volcano is a small andesitic-dacitic stratovolcano in northern Chile on the border with Argentina. The volcano contains a 1 km wide well-preserved summit crater of possible Holocene age. There are young-looking lava flows mostly towards the Chilean side, but they a... [more]

unnamed
(pyroclastic cone)
An unnamed isolated basaltic-andesite cinder cone is located between the Corrida de Cori range on the Chile/Argentina border and the Salar Río Grande in Argentina.
The cone sits on top of Miocene ignimbrites and lava flows. It has erupted relatively fluid blocky lava flows ... [more]

Lastarria
(stratovolcano)
Lastarria is a stratovolcano on the Argentina/Chile border. The volcano contains 5 nested summit craters. The youngest part of the volcano is a lava dome overlapping the northern crater.
A large prehistoric debris avalanche deposit is located on the SE flank and younger de... [more]

Cordón del Azufre
(complex volcano)
Cordón del Azufre is a small volcanic complex on the Argentina/Chile border. The volcano consists of a cluster of lava flows from a row of vents on the NW (Argentinian) side, and a 5 km long chain of vents along the border with Chile.

Note: there is a volcano with a ... [more]

Cerro Bayo
(complex volcano)
Cerro Bayo is a complex volcano on the northern Chile/Argentina border. The volcano contains a young cone exactly on the border with a 400 m wide crater which has erupted two 4 km long lava flows to the north and NW.
The youngest known product of the volcano are 2 dacitic ... [more]

Antofagasta de la Sierra
(volcanic field)
Antofagasta de la Sierra is a young volcanic field in Catamarca, NW Argentina, located SW of Beltran volcano and between the Salar de Antofalla on the west and the massive Cerro Galán caldera on the east.
The field contains some of the youngest volcanic vents of vents of th... [more]

Sierra Nevada
(complex volcano)
Sierra Nevada is a volcanic complex on the Chile/ Argentina border in one of the remotest parts of the Central Andes. The volcano covers 225 km2 contains at least 12 volcanic vents, craters with up to 400 m diameter and large andesitic lava flows which reached 7 km distance. more]

Cerro el Condor
(stratovolcano)
Cerro el Cóndor is a large stratovolcano located in NW Argentina. it is one of the few larger volcanoes which are completely inside Argentina.
The volcano was built on top of a 2.5-km-wide caldera and contains several ash cones and craters which are aligned on a NNW-SSE tre... [more]

Peinado
(stratovolcano)
Peinado volcano is a symmetrical stratovolcano in NW Argentina and one of the youngest volcanoes of the region.
It has young, well preserved lava flows from the summit and flank vents, which extend up to 10 km from the summit. [more]

Robledo
(caldera)
Robledo volcano is a 6-km wide caldera in NW Argentina, located 80 km SW of the much larger and better known Cerro Galán caldera.
It contains Cerro Blanco del Robledo lava dome on the southern rim of the caldera. There are extensive rhyolitic pumice-fall deposits around th... [more]

Falso Azufre
(complex volcano)
Falso Azufre volcano is a volcanic complex on the Chile/ Argentina border. The 15 km long complex contains overlapping craters and lava domes. The western part contains the highest peak, Cerro Falso Azufre. [more]

El Solo
(stratovolcano)
El Solo volcano is large stratovolcano in Argentina at the border with northern Chile and west of Nevados del Ojos de Salado and SE of Tres Cruces volcano.
Is comprises 9 eruptive centers. The age of its last eruptions is unknown, but was during the Holocene (less than 11,... [more]

Ojos del Salado
(stratovolcano)
Ojos del Salado volcano in February 2012 (Photo: Ulla Lohmann)Nevados Ojos del Salado is the world's highest active volcano. It is located on the Chile/Argentina border, about 20 km south of the road that crosses Argentina-CHile border at Paso de San Francisco.
The mountain has very dry conditions with snow only remaining on the peak... [more]

Tipas
(complex volcano)
Cerro Tipas (also known as Cerro Walter Penk) volcano is a massive volcanic complex in NW Argentina located immediately SSW of its better known neighbor, 6887-m-high Nevados Ojos del Salado. Tipas is the third highest active volcano in the world. It is poorly known because of its... [more]

Tupungatito
(stratovolcano)
Tupungatito volcano is the northernmost historically active volcano of the central Chilean Andes. It is located on the Chile/Argentina border 99 km east of Santiago.
Tupungatito's name is a diminuitive version of the massive Cerro Tupungato stratovolcano located immediately... [more]

San José
(stratovolcano)
Volcán San José volcano on the Chile-Argentina lies at the southern end of a volcano group that includes the older volcanoes of Marmolejo and Espíritu Santo. San José volcano has a broad 2 km x 0.5 km summit region with overlapping and nested craters, pyroclastic cones, and block... [more]

Maipo
(caldera)
Maipo is a conical stratovolcano in the High Andes on the Chile-Argentina border 108 km SE of Santiago. Maipo partially fills the large 15 x 20 km Diamante caldera, which formed about half a million years ago during a massive eruption. [more]

Caldera del Atuel
(caldera, volcanic group)
The large 30x45 km wide Caldera del Atuel is located in western Argentina just east of the Argentina-Chile border and 18 km SSW of the rim of Diamante caldera. [more]

Risco Plateado
(stratovolcano)
Risco Plateado is a volcanic complex about 10 km south of the Caldera del Atuel and consists of a stratovolcano cut by a 4-km-wide caldera. The age of the last eruption is known but thought to be Holocene (within the past 11,000 years). There are youthful-looking basalt lava flow... [more]

Infiernillo
(volcanic field)
Infiernillo ("little hell") is a young basaltic-andesite volcanic field located along the Río Salado in Argentina about 70 km east of the crest of the Andes and NW of the town of Malargüe, 1000 km distance from Buenos Aires.
Volcanism in the field was caused by extensional... [more]

Planchón-Peteroa
(complex volcano)
Planchón-Peteroa is an elongated complex volcano along the Chile-Argentina border with several overlapping calderas. It is less than 550,000 years old and was formed by 3 different volcanoes representing different generations of the volcano: Azufre, Planchon and Peteroa.
Pe... [more]

Laguna del Maule
(caldera)
Laguna del Maule is a 15x25 km wide lake-filled volcanic caldera in central Chile near the border to Argentina, east of Nevados de Longavi volcano. The complex is less than 30,000 years old and covers 300 km2 contains a cluster of small stratovolcanoes, lava domes, and cinder con... [more]

Payún Matru
(shield volcano)
Cerro Payún Matru is a massive Hawaiian-style shield volcano in Argentina located lies 530 km from the oceanic trench, which marks the subduction of the Nazca plate. It contains a 8 x 10 km caldera which was formed after about 168,000 years ago. [more]

Domuyo
(stratovolcano)
Volcán Domuyo is a stratovolcano in NW Argentinia and perhaps still an active one. It has a 15-km wide caldera, within which at least 14 dacitic lava domes and other eruptive centers were constructed. Other 5 vents are outside the caldera, the largest being the Volcán Chanque-Mal... [more]

Cochiquito
(stratovolcanoes)
Cochiquito is part of a small group of young volcanoes lies north of the town of Buta Ranquil, Argentina, near where the Río Grande and Río Barrancas join to form the Río Colorado. [more]

Tromen
(stratovolcano)
Tromen volcano is a stratovolcano in NW Argentina, and lies at the northern end of an elongated volcanic massif. The summit of Tromen is cut by two overlapping 3.5-km-wide calderas. [more]

Puesto Cortaderas
(pyroclastic cone)
The Puesto Cortaderas formation in Argentina is an isolated basaltic cinder cone SE of the Sierra Huantraico range, NE of Puesta Cortaderas, and is believed to be younger than 10,000 years old. [more]

Trocon
(lava domes)
Trocon volcano is a group of overlapping lava domes in southwest Argentina, 28 km NE of Copahue volcano. The volcano has 2 summit craters and a cinder cone which produced an andesitic lava flow to the east. [more]

Tralihue
(stratovolcano)
Tralihue volcano in southwest Argentina is one of the lesser known probably still active volcanoes in the Andes. In post-glacial times, it has erupted small lava domes and basaltic tephra erupted from vents on a NW-trending fracture zone. [more]

Laguna Blanca
(volcanic field)
Laguna Bianca is a group of cinder cones and lava flows SW of the town of Zapala. A perfectly shaped and youthful-looking cinder cone on the northern shore of Laguna Blanca is the most prominent feature.
Laguna Blanca National Park is famous for its aquatic bird fauna, incl... [more]

Lanin
(stratovolcano)
Lanín is a large, conical and active (but at present dormant) stratovolcano on the Chile-Argentina border, located approximately 45 km southeast of Villarrica volcano.
The volcano is mostly basaltic and andesitic in composition and many eruptions came from flank vents.
more]

Huanquihue
(stratovolcano)
Huanquihue volcano is a group of young basaltic stratovolcanoes in western Argentina near the border with Chile and south of Lanín volcano. [more]

Crater Basalt
(cinder cones)
Crater Basalt is a volcanic field of 9 cinder cones in the northern Patagonia region of southern Argentina 130 km SE of San Carlos de Bariloche.
The volcanic field covers an area of 700 sq km, and consists of cinder and spatter cones with many overlapping blocky basalt lava... [more]

Viedma
(subglacial volcano)
Viedma is a volcano underneath the Patagonian Icefield NW of Viedma Lake in southern Argentinia. Its existence was confirmed during the eruption in 1988. ONly parts of the volcano rise above the glaciers. [more]

Palei-Aike
(cinder cones and maars)
Palei-Aike volcano is a young volcanic field along the border of southern Argentina and CHile, north of the Straits of Magellan. It contains lake-filled maars and basaltic cinder cones and young lava flows. [more]

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