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Putana

Stratovolcano · Chile · 5884m

Volcán Putana, seen here from the west, shows vigorous fumarolic activity at its 5890-m-high summit. Snow forming a thin diagonal line below and to the right of the summit marks a road leading to a sulfur-mining operation at the summit of the volcano. Putana is also known as Jorgencal or Machuca and is part of a large, roughly N-S-trending volcanic complex that covers an area of 600 km2 along the Chile-Bolivia border. Postglacial dacitic lava domes and short, thick lava flows form the main edifice.
Volcán Putana, seen here from the west, shows vigorous fumarolic activity at its 5890-m-high summit. Snow forming a thin diagonal line below and to the right of the summit marks a road leading to a sulfur-mining operation at the summit of the volcano. Putana is also known as Jorgencal or Machuca and is part of a large, roughly N-S-trending volcanic complex that covers an area of 600 km2 along the Chile-Bolivia border. Postglacial dacitic lava domes and short, thick lava flows form the main edifice. · Photo: Photo by Joël Boyer, 2006 (L.A.V.E.) · Wikimedia Commons
Type
Stratovolcano
Country
Chile
Region
South America Volcanic Regions / Central Andean Volcanic Arc
Elevation
5884m
Coordinates
-22.557, -67.853
Last eruption
1810
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Dacite
Geological summary

Volcán Putana, also known as Jorgencal or Machuca, is part of a large, roughly N-S-trending volcanic complex that covers an area of 600 km2. Vigorous fumarolic activity is visible at the summit from long distances. The main edifice, which formed primarily by lava effusion, consists of accumulated postglacial dacitic lava domes and flows mantling an older pre-Holocene volcano. The youngest basaltic andesite lava flows are viscous and rarely extend more than 3 km. A major eruption of unspecified character was reported in the early 19th century (Rudolph, 1955; Guest 1981, pers. comm.), although González-Ferrán (1995) indicated that no historical eruptions had occurred.

From Wikipedia

Volcán Putana, sometimes referred to as Jorqencal or Machuca, is a stratovolcano located in the Central Volcanic Zone (CVZ) of the Andes on the border between Bolivia and Chile and close to the Sairecabur volcanic complex. Its summit is 5,884 metres (19,304 ft) above sea level and contains a summit crater with two smaller craters nested within it. Beneath the summit, the volcano features a number of lava domes and lava flows, some of which originated in flank vents.

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Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
1810~1826 · 1 eruptions · max VEI ?1956~1972 · 1 eruptions · max VEI ?18101842189119231956

Detailed timeline

  1. 1972VEI ?Geological estimate
    1972-07-02 – Ongoing
  2. 1810 (±10 yrs)VEI ?Observed
    1810 – Ongoing

External links

⚠ For reference only. Not for emergency response.