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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, 12 Dec
Tue, 12 Dec 11:59 UTCM 2.9 / 121.2 km34 km32 km al NO de Mina Collahuasi
Thu, 7 Dec
Thu, 7 Dec 14:10 UTCM 3.1 / 109.4 km30 km36 km al S de Mina Collahuasi
Tue, 5 Dec
Tue, 5 Dec 18:52 UTCM 3.0 / 126.6 km9 km27 km al SE de Mina Collahuasi
Mon, 4 Dec
Mon, 4 Dec 07:06 UTCM 3.2 / 103.2 km33 km18 km al O de Mina Collahuasi
Sat, 2 Dec
Sat, 2 Dec 07:33 UTCM 3.2 / 129 km15 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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