|Elevation||6,000 m (19,700 ft)|
|Volcanic arc/belt||South Volcanic Zone|
|Last eruption||November 1987|
Volcán Tupungatito is the northernmost historically active stratovolcano of the southern Andes. It lies on the border between Argentina and Chile, about 99 km (62 mi) east of Santiago, Chile, and immediately southwest of the massive Cerro Tupungato stratovolcano. Its name is a diminutive homonym, and means Little Tupungato.
A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava, tephra, pumice and ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and periodic intervals of explosive eruptions and effusive eruptions, although some have collapsed summit craters called calderas. The lava flowing from stratovolcanoes typically cools and hardens before spreading far, due to high viscosity. The magma forming this lava is often felsic, having high-to-intermediate levels of silica, with lesser amounts of less-viscous mafic magma. Extensive felsic lava flows are uncommon, but have travelled as far as 15 km (9.3 mi).
The Andes or Andean Mountains are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. This range is about 7,000 km (4,300 mi) long, about 200 to 700 km wide, and of an average height of about 4,000 m (13,000 ft). The Andes extend from north to south through seven South American countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile and Argentina.
Argentina, officially the Argentine Republic, is a country located mostly in the southern half of South America. Sharing the bulk of the Southern Cone with Chile to the west, the country is also bordered by Bolivia and Paraguay to the north, Brazil to the northeast, Uruguay and the South Atlantic Ocean to the east, and the Drake Passage to the south. With a mainland area of 2,780,400 km2 (1,073,500 sq mi), Argentina is the eighth-largest country in the world, the fourth largest in the Americas, and the largest Spanish-speaking nation. The sovereign state is subdivided into twenty-three provinces and one autonomous city, Buenos Aires, which is the federal capital of the nation as decided by Congress. The provinces and the capital have their own constitutions, but exist under a federal system. Argentina claims sovereignty over part of Antarctica, the Falkland Islands, and South Georgia and the South Sandwich Islands.
Volcán Marmolejo is a 6,108 m (20,039 ft) high Pleistocene stratovolcano in the Andes on the border between Argentina and Chile. It is located 9 km (6 mi) NNE of the active San José volcano, and is the southernmost 6,000 m (19,685 ft)-plus peak in the world.
Cerro Escorial is a stratovolcano at the border of Argentina and Chile. It is part of the Corrida de Cori volcanic group and its youngest member. A well-preserved 1-kilometre-wide (0.6 mi) crater forms its summit area. Lava flows are found on the Chilean and smaller ones on the Argentinian side, the former reaching as far as 3–4 kilometres (1.9–2.5 mi) from the volcano. One of these is dated 342,000 years ago by argon-argon dating.
Copahue is a stratovolcano in the Andes on the border of Bío Bío Region, Chile and Neuquén Province, Argentina. There are nine volcanic craters along a 2 km (1.2 mi) line, the easternmost of which is historically the most active, and contains a 300 m (1000 ft) wide crater lake with a pH ranging between 0.18 and 0.30. Eruptions from this crater lake have ejected pyroclastic rocks and chilled liquid sulfur fragments. Although the lake emptied during the 2000 eruption, it later returned to its previous levels. Copahue means "sulphur waters" in Mapuche.
The Domuyo Volcano is a stratovolcano located in the Argentine province of Neuquén. With a height of 4,702 m (15,427 ft), it is the highest mountain in Patagonia and is sometimes called the "Roof of Patagonia".
Maipo is a stratovolcano in the Andes, lying on the border between Argentina and Chile. It is located 90 km (56 mi) south of Tupungato and about 100 km (62 mi) southeast of Santiago.
Risco Plateado is a stratovolcano in Argentina, with an elevation of 4,999 metres (16,401 ft) above sea level. With a prominence of 1,602 metres (5,256 ft), it is one of the many ultra prominent peaks in the Andes. The equilibrium line altitude of the volcano lies at an altitude of 3,800 metres (12,500 ft).
Tupungato, one of the highest mountains in the Americas, is a massive Andean stratovolcano dating to Pleistocene times. It lies on the border between the Chilean Metropolitan Region and the Argentine province of Mendoza, about 100 km (62 mi) south of Aconcagua, the highest peak of both the Southern and Western Hemispheres. Immediately to its southwest is the active Tupungatito volcano, which last erupted in 1987.
Osorno Volcano is a 2,652-metre (8,701 ft) tall conical stratovolcano lying between Osorno Province and Llanquihue Province, in Los Lagos Region of Chile. It stands on the southeastern shore of Llanquihue Lake, and also towers over Todos los Santos Lake. Osorno is known worldwide as a symbol of the local landscape, and is noted for its similar appearance to Mount Fuji.
Lautaro Volcano is an active ice-covered stratovolcano located in Chilean Patagonia, in the northern part of the Southern Patagonian Ice Field. Its summit rises roughly 2,000 m (6,600 ft) above the average surface of the ice cap plateau. It is the tallest mountain in Bernardo O'Higgins National Park and in its vicinity lies Pío XI Glacier. In 1952 the volcano was given its name in honor of Lautaro, who was a Mapuche military leader.
Lonquimay Volcano is a stratovolcano of late-Pleistocene to dominantly Holocene age, with the shape of a truncated cone. The cone is largely andesitic, though basaltic and dacitic rocks are present. It is located in the La Araucanía Region of Chile, immediately SE of Tolhuaca volcano. Sierra Nevada and Llaima are their neighbors to the south. The snow-capped volcano lies within the protected area Malalcahuello-Nalcas.
Corcovado Volcano is a stratovolcano located about 25 kilometres (16 mi) south of the mouth of Yelcho River, in the Palena Province, Los Lagos Region, Chile. The glacially eroded volcano is flanked by Holocene cinder cones. The volcano's base has likely prehistoric lava flows that are densely vegetated. The most distinctive feature of this volcano is its stepped top, similar to that of Puntiagudo Volcano. At its foot lies a series of beautiful lakes. Corcovado dominates the landscape of Gulf of Corcovado area and is visible from the Chiloé Island, weather allowing.
Callaqui is a stratovolcano located in the Bío Bío Region of Chile. It is a large ice-capped, basaltic andesite volcano which is elongated in the northeast-southwest direction, due to its construction along an 11 km (7 mi) long fissure. Numerous cinder cones and lava flows have erupted from vents along this linear fissure. Most of the activity at Callaqui has been fumarolic. Minor eruptions were reported 1751, 1864, and 1937, and the latest eruption was a small phreatic eruption in 1980.
Yanteles is an isolated stratovolcano composed of five glacier-capped peaks along an 8 km-long NE-trending ridge. It is located approximately 30 km (19 mi) south of the Corcovado volcano in the Chilean X Region within the Corcovado National Park. The name Yanteles can refer only to the main summit, which is also known as Volcán Nevado.
Cerro Solo is a large stratovolcano on the border between Argentina and Chile, west of Ojos del Salado. It consists of nine eruptive centers and is covered in light-colored rhyodacite pyroclastic flow deposits.
San José Volcano is the stratovolcano that gives its name to a massive volcanic group, at about 90 km (56 mi) from Santiago de Chile at the end of the Cajón de Maipo on the Chile-Argentina border. It lies on the south end of an approximately 10 km (6 mi) x 5 km (3 mi) complex that includes the La Engorda, Espiritu Santo, Plantat and Marmolejo volcanoes, the latter of which is located on the Northern end of the group.
Michinmahuida is a glaciated stratovolcano located in Los Lagos Region of Chile. It lies about 15 km east of Chaitén volcano, and was extensively covered in ash during the 2008 eruption of Chaitén. The stratovolcano lies above the regional Liquine-Ofqui Fault zone, and the ice-covered massif towers over the south portion of Pumalín Park. It has a summit elevation of 2,450 meters above sea level.
Pular is a massive stratovolcano located in the Antofagasta Region of northern Chile, about 15 km west of the border with Argentina, which in this area is a straight line between the summits of Socompa volcano and Cerro del Rincón. Pular, along with Cerro Pajonales, forms a high volcanic ridge, which runs in a generally north-east to south-west direction for 12 km (7 mi). Southward, following the same direction as the ridge, lies Socompa volcano. The ridge's crest forms a drainage divide between Salar de Atacama basin and Salar de Pular basin. This latter is a bowl-shaped basin enclosed on the east by Aracar volcano.
Cerro Pantojo is an extinct basaltic stratovolcano on the border of Argentina and Chile. It lies immediately south of Cardenal Antonio Samoré Pass and its characteristic spire-shaped summit is an eroded volcanic plug. It also has flank lava flows.
Volcán Espíritu Santo is a pleistocene stratovolcano at the center of the San José volcanic group, located at 90 km (56 mi) from Santiago de Chile at the end of the Cajón del Maipo on the Chile-Argentina border. The 1,000 m (3,281 ft)-wide summit crater of Espíritu Santo volcano overlaps the southern slope of the Marmolejo volcano and partially overlies La Engorda. The San José complex includes - a part of Espíritu Santo, La Engorda and San José - the Plantat and Marmolejo volcanoes, the latter of which is the highest and located on the North-end of the group.
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 was disputed.
The Smithsonian Institution's Global Volcanism Program (GVP) documents Earth's volcanoes and their eruptive history over the past 10,000 years. The GVP reports on current eruptions from around the world as well as maintaining a database repository on active volcanoes and their eruptions. In this way, a global context for the planet's active volcanism is presented. Smithsonian reporting on current volcanic activity dates back to 1968, with the Center for Short-Lived Phenomena (CSLP). The GVP is housed in the Department of Mineral Sciences, part of the National Museum of Natural History, on the National Mall in Washington, D.C.
The Smithsonian Institution, founded on August 10, 1846 "for the increase and diffusion of knowledge," is a group of museums and research centers administered by the Government of the United States. The institution is named after its founding donor, British scientist James Smithson. Originally organized as the "United States National Museum," that name ceased to exist as an administrative entity in 1967.
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