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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: normal or dormant (1 out of 5) | Reports
Olca-Paruma volcano books
Typical eruption style: explosive
Olca-Paruma volcano eruptions: 1865-67
TimeMag. / DepthDistanceLocation
Sat, 13 Oct
Sat, 13 Oct 15:31 UTCM 3.0 / 112.4 km23 km20 km al S de Mina Collahuasi
Sat, 13 Oct 00:20 UTCM 4.1 / 116.2 km29 km29 km al S de Mina Collahuasi
Fri, 12 Oct
Fri, 12 Oct 21:21 UTCM 2.9 / 133.4 km14 km26 km al SE de Mina Collahuasi
Thu, 11 Oct
Thu, 11 Oct 04:43 UTCM 3.2 / 112.1 km35 km39 km al SO de Mina Collahuasi
Sat, 6 Oct
Sat, 6 Oct 08:56 UTCM 3.4 / 98 km33 kmTARAPACA, 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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