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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
Sun, 16 Dec
Sun, 16 Dec 01:37 UTCM 2.9 / 130.6 km21 km31 km al S de Mina Collahuasi
Sat, 15 Dec
Sat, 15 Dec 07:05 UTCM 2.8 / 112.3 km42 km42 km al SO de Mina Collahuasi
Thu, 13 Dec
Thu, 13 Dec 11:03 UTCM 2.5 / 128.8 km18 km39 km al O de Ollagüe
Thu, 13 Dec 04:51 UTCM 3.7 / 110.8 km14 km37 km al O de Ollagüe
Wed, 12 Dec
Wed, 12 Dec 08:40 UTCM 2.9 / 123.6 km13 km32 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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