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Risco Plateado

Stratovolcano · Argentina · 4999m

Risco Plateado covers an area of 910 km2 and has a steep mountainous relief partly due to glacial erosion, shown in this February 2021 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 15 km across). there is a scoria cone on the SE flank, visible in the lower right corner of the image.
Risco Plateado covers an area of 910 km2 and has a steep mountainous relief partly due to glacial erosion, shown in this February 2021 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 15 km across). there is a scoria cone on the SE flank, visible in the lower right corner of the image. · Photo: Satellite image courtesy of Planet Labs Inc., 2021 (https://www.planet.com/).
Type
Stratovolcano
Country
Argentina
Region
South America Volcanic Regions / Southern Andean Volcanic Arc
Elevation
4999m
Coordinates
-34.917, -69.981
Last eruption
Unknown
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic Andesite
Geological summary

The Risco Plateado volcanic complex lies about 10 km S of the Caldera del Atuel and consists of a stratovolcano cut by a 4-km-wide caldera. Two eruptive centers are located on the SW and NE caldera rims along a NE-trending fracture that extends to a cone on the lower NE flank about 8 km from the caldera. Dominantly basaltic andesite lava flows overlie initial dacitic flows. Very youthful-looking basaltic lava flows from the NE-flank center extend NE to the Río del Atuel. Lava flows from the SW-rim center extend westward beyond the flanks of the complex and those from the NE-rim center flow into the caldera and down its NE flank.

From Wikipedia

Risco Plateado is a stratovolcano in Argentina, with an elevation of 4,999 metres (16,401 ft) above sea level. With a prominence of 1,602 metres (5,256 ft), it is one of the many ultra prominent peaks in the Andes. The equilibrium line altitude of the volcano lies at an altitude of 3,800 metres (12,500 ft).

Wikipedia · CC BY-SA · Read full article →

Eruption history

Detailed timeline

No eruption records available.

External links

⚠ For reference only. Not for emergency response.