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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) | Reports
Olca-Paruma volcano books
Typical eruption style: explosive
Olca-Paruma volcano eruptions: 1865-67
TimeMag. / DepthDistanceLocation
Thu, 21 Jun
Thu, 21 Jun 02:19 UTCM 2.9 / 119.1 km33 km52 km al S de Mina Collahuasi
Tue, 19 Jun
Tue, 19 Jun 03:02 UTCM 2.9 / 135.6 km7 km29 km al O de Ollagüe
Mon, 18 Jun
Mon, 18 Jun 21:55 UTCM 2.6 / 108.1 km40 km45 km al SO de Mina Collahuasi
Sun, 17 Jun
Sun, 17 Jun 18:08 UTCM 3.1 / 138 km15 kmANTOFAGASTA, CHILE
Fri, 15 Jun
Fri, 15 Jun 21:30 UTCM 3.0 / 99.6 km40 km53 km al SO de Mina Collahuasi
View all recent quakes
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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