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Cumbal

Stratovolcano · Colombia · 4764m

Cumbal is the southernmost historically active volcano of Colombia. It is seen here from the north, with a young lava dome occupying the 150-m-wide summit crater. Flank craters, the youngest of which is Boca de Mundo Nuevo, have formed along radial fissures on the east and south flanks of the nearly symmetrical volcano. Eruptions from the upper east flank produced a 6-km-long lava field. Explosive eruptions in 1877 and 1926 are the only known historical activity from Cumbal.
Cumbal is the southernmost historically active volcano of Colombia. It is seen here from the north, with a young lava dome occupying the 150-m-wide summit crater. Flank craters, the youngest of which is Boca de Mundo Nuevo, have formed along radial fissures on the east and south flanks of the nearly symmetrical volcano. Eruptions from the upper east flank produced a 6-km-long lava field. Explosive eruptions in 1877 and 1926 are the only known historical activity from Cumbal. · Photo: Photo by Norm Banks, 1989 (U.S. Geological Survey). · Wikimedia Commons
Type
Stratovolcano
Country
Colombia
Region
South America Volcanic Regions / Northern Andean Volcanic Arc
Elevation
4764m
Coordinates
0.950, -77.870
Last eruption
1926
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic Andesite
Geological summary

Many youthful lava flows extend from the glacier-capped Cumbal volcano, the southernmost historically active volcano of Colombia. The volcano is elongated in a NE-SW direction and is composed primarily of andesitic-dacitic lava flows. Two fumarolically active craters occupy the summit ridge: the main crater on the NE side and Mundo Nuevo crater on the SW. A young lava dome occupies the 250-m-wide summit crater, and eruptions from the upper E flank produced a 6-km-long lava field. The oldest crater lies NNE of the summit crater, suggesting SW-ward migration of activity. Explosive eruptions in 1877 and 1926 are the only known historical activity. Thermal springs are located on the SE flanks.

From Wikipedia

Cumbal is a stratovolcano of the Caribe Terrane, located at the Nudo de los Pastos in Nariño, Colombia. It is the southernmost historically active volcano of Colombia and is together with Chiles and Azufral one of the few volcanoes of the Western Ranges. The volcano is dominated by andesites.

Wikipedia · CC BY-SA · Read full article →

Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
1877~1882 · 1 eruptions · max VEI 21921~1926 · 1 eruptions · max VEI 218771887190219111921

Detailed timeline

  1. 1926VEI 2Observed
    1926-12-20 – 1926-12-21
  2. 1877VEI 2Observed
    1877-12 – Ongoing

External links

⚠ For reference only. Not for emergency response.