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Olca-Paruma volcano

estratovolcanes 5407 m / 17,739 ft
El norte de Chile, Bolivia y Argentina, América del sur, -20.93°S / -68.48°W
Current status: normal or dormant (1 out of 5) | Reports
Olca-Paruma volcano books
Typical eruption style: explosive
Erupciones del volcán Olca-Paruma: 1865-67
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Sat, 23 Nov 2019
Sat, 23 Nov 13:54 UTCM 3.3 / 122.5 km29 km25 km al SO de Mina Collahuasi (Chile)
Mon, 11 Nov 2019
Mon, 11 Nov 18:57 UTCM 3.2 / 128.9 km17 km16 km al S de Mina Collahuasi (Chile)
Olca-Paruma volcano is a group of 3 stratovolcanoes forming a 15-km-long E-W ridge along the northern Chile border with Bolivia. There are 3 stratovolcanoes in the complex: Volcán Olca, Cerro Michincha, and Volcán Paruma.
The only known historical activity from the Olca-Paruma complex was a flank eruption between 1865 and 1867 from an excentric flank vent. Since around 1990, volcán Paruma has displayed persistent fumarolic activity.

Background:

The complex contains prominent andesitic-dacitic lava flows extending 5 km north from the active summit crater of Volcán Olca as well as lava flows to the north and west originating from vents farther to the west. Volcán Paruma has erupted fresh-looking lava flows of unknown but likely young age, one of which extends 7 km to the SE.
(Source: Smithsonian / GVP volcano information)

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