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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
Tue, 22 Aug
Tue, 22 Aug 18:39 UTCM 2.5 / 134.2 km8 km20 km al O de Ollagüe
Tue, 22 Aug 11:47 UTCM 3.0 / 107.2 km35 km42 km al SO de Mina Collahuasi
Tue, 22 Aug 10:47 UTCM 3.1 / 124.7 km13 km28 km al NO de Ollagüe
Mon, 21 Aug
Mon, 21 Aug 15:34 UTCM 2.6 / 113.6 km36 km47 km al S de Mina Collahuasi
Sun, 20 Aug
Sun, 20 Aug 19:36 UTCM 3.8 / 128 km14 kmANTOFAGASTA, CHILE
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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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