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Doña Juana

Dona Juana

Stratovolcano · Colombia · 4137m

The Doña Juana complex in Colombia is shown in this September 2017 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 8 km across). The summit area is shaped by a large scarp that has been infilled by lava domes, which have subsequently undergone collapse events to produce block-and-ash flow deposits.
The Doña Juana complex in Colombia is shown in this September 2017 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 8 km across). The summit area is shaped by a large scarp that has been infilled by lava domes, which have subsequently undergone collapse events to produce block-and-ash flow deposits. · Photo: Satellite image courtesy of Planet Labs Inc., 2017 (https://www.planet.com/). · Wikimedia Commons
Type
Stratovolcano
Country
Colombia
Region
South America Volcanic Regions / Northern Andean Volcanic Arc
Elevation
4137m
Coordinates
1.500, -76.936
Last eruption
1906
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic Andesite
Geological summary

The forested Doña Juana stratovolcano contains two calderas, breached to the NE and SW. The summit of the andesitic-dacitic volcano is comprised of a series of post-caldera lava domes. The older caldera, open to the NE, formed during the mid-Holocene, accompanied by voluminous pyroclastic flows. The younger caldera contains the active central cone. The only historical activity took place during a long-term eruption from 1897-1906, when growth of a summit lava dome was accompanied by major pyroclastic flows.

From Wikipedia

Doña Juana is a stratovolcano, located within the Doña Juana-Cascabel Volcanic Complex National Natural Park in Nariño, Colombia.

Wikipedia · CC BY-SA · Read full article →

Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
2550 BCE~2357 BCE · 1 eruptions · max VEI 41704~1897 · 1 eruptions · max VEI 42550 BCE1390 BCE423 BCE7371704

Detailed timeline

  1. 1897VEI 4Observed
    1897-11-01 – 1906
  2. 2550 BCE (±150 yrs)VEI 4Geological estimate
    BCE 2550 – Ongoing
    Northeastern caldera

External links

⚠ For reference only. Not for emergency response.