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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, 26 Mar
Sun, 26 Mar 06:08 UTCM 3.0 / 124.5 km13 km35 km al O de Ollagüe
Sat, 25 Mar
Sat, 25 Mar 06:13 UTCM 2.7 / 144.7 km14 km20 km al NO de Ollagüe
Thu, 23 Mar
Thu, 23 Mar 17:03 UTCM 2.9 / 105.1 km42 km40 km al SO de Mina Collahuasi
Thu, 23 Mar 11:00 UTCM 3.2 / 112.3 km27 km33 km al S de Mina Collahuasi
Wed, 22 Mar
Wed, 22 Mar 08:40 UTCM 2.5 / 131.2 km4 km20 km al O de Ollagüe
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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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