Aracar volcano

Updated: Jul 6, 2022 14:10 GMT - Refresh
stratovolcano 6082 m / 19,954 feet
Northern Chile, Bolivia and Argentina (South America), -24.25°S / -67.77°W
Current status: normal or dormant (1 out of 5)

Aracar volcano is a probably still active stratovolcano in NW Argentina close to the border with Chile. The volcano has a well-preserved 1.5 km wide summit crater with a small crater lake and steep eroded flanks. It is not known whether there has been activity in the Holocene (past 12,000 years).

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Typical eruption style: explosive
Aracar volcano eruptions: 1993 (?)
Lastest nearby earthquakes:
TimeMag. / DepthDistance/Location
Wednesday, July 6, 2022 GMT (2 quakes)
Jul 6, 2022 10:29 am (GMT -3) (Jul 6, 2022 13:29 GMT)

184 km
85 km (53 mi)
Jujuy, 71 km west of San Antonio de los Cobres, Departamento de Los Andes, Salta, Argentina
Jul 6, 2022 9:51 am (GMT -3) (Jul 6, 2022 12:51 GMT)

229 km
8.4 km (5.2 mi)
Antofagasta, Chile, 243 km west of Salta, Departamento Capital, Salta, Argentina
Saturday, July 2, 2022 GMT (2 quakes)
Jul 2, 2022 12:25 pm (GMT -3) (Jul 2, 2022 15:25 GMT)

187 km
66 km (41 mi)
218 km west of Salta, Departamento Capital, Salta, Argentina
Jul 2, 2022 7:42 am (GMT -3) (Jul 2, 2022 10:42 GMT)

228 km
46 km (29 mi)
Salta, 185 km west of Jujuy, Departamento de Doctor Manuel Belgrano, Jujuy, Argentina
Wednesday, June 29, 2022 GMT (1 quake)
Jun 29, 2022 8:45 pm (GMT -3) (Jun 29, 2022 23:45 GMT)

224 km
74 km (46 mi)
Salta, 166 km west of Jujuy, Departamento de Doctor Manuel Belgrano, Jujuy, Argentina


The volcano was constructed during 3 eruptive cycles dating back to the Pliocene. The andesitic stratovolcano overlies dacitic lava domes. Lava flows are found at the base of the volcano below 4500 m elevation are relatively well preserved, but there are no lava flows on the upper flanks, which are often an indication of youthful activity. (Source: GVP volcano information)

Possible eruption in 1993
There were reports about ash columns from the summit on 28 March 1993, but it is not known whether these were rockfall dust or eruption plumes.

See also: Sentinel hub | Landsat 8 | NASA FIRMS
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