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Guallatiri, Chile

Guallatiri

Stratovolcano · Chile · 6071m

Volcán Guallatiri rises to the SSE beyond Laguna Chungará, and steam rises from a prominent fumarole near its summit. The symmetrical ice-clad stratovolcano lies at the SW end of the Nevados de Quimsachata volcano group just west of the border with Bolivia and is capped by a central dacitic dome or lava complex. Thick lava flows can be seen on its lower northern and western flanks. Minor explosive eruptions have been reported from Guallatiri since the beginning of the 19th century, and intense fumarolic activity continues.
Volcán Guallatiri rises to the SSE beyond Laguna Chungará, and steam rises from a prominent fumarole near its summit. The symmetrical ice-clad stratovolcano lies at the SW end of the Nevados de Quimsachata volcano group just west of the border with Bolivia and is capped by a central dacitic dome or lava complex. Thick lava flows can be seen on its lower northern and western flanks. Minor explosive eruptions have been reported from Guallatiri since the beginning of the 19th century, and intense fumarolic activity continues. · Photo: Photo by Lee Siebert, 2004 (Smithsonian Institution). · Wikimedia Commons
Type
Stratovolcano
Country
Chile
Region
South America Volcanic Regions / Central Andean Volcanic Arc
Elevation
6071m
Coordinates
-18.420, -69.092
Last eruption
1960
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic Andesite
Geological summary

One of northern Chile's most active volcanoes, Volcán Guallatiri is a symmetrical ice-clad stratovolcano at the SW end of the Nevados de Quimsachata volcano group. It lies just W of the border with Bolivia and is capped by a central dacitic dome or lava complex, with the active vent situated on its S side. Thick lava flows are prominent on the lower N and W flanks of the andesitic-to-rhyolitic volcano. Minor explosive eruptions have been reported since the beginning of the 19th century. Intense fumarolic activity with "jet-like" noises continues, and numerous solfataras extend more than 300 m down the W flank.

From Wikipedia

Guallatiri is a volcano in Chile with an elevation of 6,060 to 6,071 m. It is located southwest of the Nevados de Quimsachata volcanic group; some sources classify Guallatiri as a member. Guallatiri is a stratovolcano with numerous fumaroles around the summit. The summit may be a lava dome or volcanic plug, while the lower flanks of the volcano are covered by lava flows and lava domes. The volcano's eruptions have produced mostly dacite along with andesite and rhyolite. Past glaciation has left moraines on Guallatiri.

Wikipedia · CC BY-SA · Read full article →

Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
1825~1841 · 1 eruptions · max VEI 21905~1921 · 2 eruptions · max VEI 21953~1969 · 2 eruptions · max VEI 21969~1985 · 1 eruptions · max VEI ?18251857190519371969

Detailed timeline

  1. 1985VEI ?Geological estimate
    1985-12-01 – Ongoing
  2. 1960VEI 2Observed
    1960-12-02 – Ongoing
  3. 1959VEI 2Observed
    1959-07-15 – Ongoing
  4. 1913VEI 2Observed
    1913 – Ongoing
  5. 1908VEI ?Geological estimate
    1908 – Ongoing
  6. 1825 (±25 yrs)VEI 2Observed
    1825 – Ongoing

External links

⚠ For reference only. Not for emergency response.