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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
Wed, 15 Aug
Wed, 15 Aug 21:13 UTCM 3.4 / 101.5 km21 km31 km al S de Mina Collahuasi
Tue, 14 Aug
Tue, 14 Aug 00:35 UTCM 2.7 / 89 km34 km23 km al SO de Mina Collahuasi
Sun, 12 Aug
Sun, 12 Aug 00:26 UTCM 3.2 / 120.1 km41 km53 km al SO de Mina Collahuasi
Mon, 6 Aug
Mon, 6 Aug 01:33 UTCM 2.9 / 112.2 km34 km49 km al S de Mina Collahuasi
Tue, 31 Jul
Tue, 31 Jul 02:06 UTCM 3.8 / 139.4 km24 km39 km al S 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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