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Peru · Stratovolcano

Misti

Misti, El

Type
Stratovolcano
Elevation
5793m
Last eruption
1985
Misti
Public domain · Wikimedia Commons
Type
Stratovolcano
Country
Peru
Region
South America / Central Andean Volcanic Arc
Elevation
5793m
Coordinates
-16.299, -71.406
Last eruption
1985
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite
Geological summary

El Misti is a symmetrical andesitic stratovolcano with nested summit craters immediately NE of the city of Arequipa, Peru. Eruptions from the active cone began about 13,700 and 11,300 years ago, within a 1.5 x 2 km caldera that underwent collapse about 50,000 years ago. A large scoria cone has grown with the 830-m-wide outer summit crater. At least 20 tephra-fall deposits and numerous pyroclastic-flow deposits have been documented during the past 50,000 years, including a pyroclastic flow that traveled 12 km S about 2,000 years ago. The most recent activity has been dominantly pyroclastic, and strong winds have formed a parabolic dune field of volcanic ash extending up to 20 km downwind. An eruption in the 15th century affected nearby Inca inhabitants. Some reported eruptions may represent increased fumarolic activity.

From Wikipedia

Misti is a volcano in the southern Peruvian Andes, rising above Arequipa, Peru's second-largest city. It has a steep conical profile and two nested summit craters. The inner crater contains an active lava plug or dome, pierced by vents that emit volcanic gases. The summit reaches 5,822 metres (19,101 ft) above sea level, on the rim of the outer crater. Snow covers the summit but does not persist, and there are no glaciers. The upper slopes are largely barren, while lower elevations support scrub and other bushy vegetation.

Wikipedia · CC BY-SA · Read full article →

Eruption history

22 recordedGlossary
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
7190 BCE~6884 BCE · 1 eruptions · max VEI ?5661 BCE~5355 BCE · 1 eruptions · max VEI ?4132 BCE~3826 BCE · 1 eruptions · max VEI ?3520 BCE~3214 BCE · 1 eruptions · max VEI ?2297 BCE~1991 BCE · 1 eruptions · max VEI ?462 BCE~156 BCE · 1 eruptions · max VEI ?156 BCE~150 · 2 eruptions · max VEI 4456~762 · 1 eruptions · max VEI ?1068~1373 · 1 eruptions · max VEI ?1373~1679 · 4 eruptions · max VEI 21679~1985 · 8 eruptions · max VEI 27190 BCE5049 BCE2602 BCE462 BCE1679

Detailed timeline

  1. 1985VEI 1Observed
    1985-07-02 – end unknown
  2. 1870VEI 1Method not stated
    1870-03-16 – end unknown
  3. 1869VEI 1Method not stated
    1869-09-16 – end unknown
  4. 1831VEI 1Method not stated
    1831-08-16 – end unknown
  5. 1830VEI 1Method not stated
    1830-08-16 – end unknown
  6. 1826VEI 1Method not stated
    1826-08-16 – end unknown
  7. 1787VEI 1Observed
    1787-07-28 – 1787-10-10
  8. 1784VEI 2Observed
    1784-07-09 – end unknown
  9. 1677VEI 2Observed
    1677-05-02 – end unknown
  10. 1599VEI 1Method not stated
    1599 – end unknown
  11. 1542VEI 1Method not stated
    1542 – end unknown
  12. 1454 (±16 yrs)VEI 2Observed
    1454 – end unknown
  13. 1350 (±50 yrs)VEI ?Geological estimate
    1350 – end unknown
  14. 760 (±100 yrs)VEI ?Geological estimate
    760 – end unknown
  15. 90 (±300 yrs)VEI ?Geological estimate
    90 – end unknown
  16. 80 BCE (±75 yrs)VEI 4Geological estimate
    80 BCE – end unknown
  17. 310 BCE (±100 yrs)VEI ?Geological estimate
    310 BCE – end unknown
  18. 2230 BCE (±200 yrs)VEI ?Geological estimate
    2230 BCE – end unknown
  19. 3510 BCE (±150 yrs)VEI ?Geological estimate
    3510 BCE – end unknown
  20. 4020 BCE (±200 yrs)VEI ?Geological estimate
    4020 BCE – end unknown
  21. 5390 BCE (±75 yrs)VEI ?Geological estimate
    5390 BCE – end unknown
  22. 7190 BCE (±150 yrs)VEI ?Geological estimate
    7190 BCE – end unknown

Nearby volcanoes

External links

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