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Olca-Paruma volcano

stratovolcanoes 5407 m / 17,739 ft
Northern Chile, Bolivia and Argentina, South America, -20.93°S / -68.48°W
Current status: dormant (1 out of 5)
Olca-Paruma volcano books
Typical eruption style: explosive
Olca-Paruma volcano eruptions: 1865-67
TimeMag. / DepthDistanceLocation
Sun, 21 May
Sun, 21 May 08:04 UTCM 2.7 / 109.4 km34 km34 km al NO de Mina Collahuasi
Sun, 21 May 05:31 UTCM 3.4 / 113 km32 kmTARAPACA, CHILE
Sat, 20 May
Sat, 20 May 22:19 UTCM 2.9 / 112 km16 km39 km al O de Ollagüe
Sat, 20 May 18:52 UTCM 3.2 / 115.7 km35 km46 km al S de Mina Collahuasi
Sat, 20 May 16:56 UTCM 2.7 / 104.4 km33 km29 km al NO de Mina Collahuasi
View all recent quakes
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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