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Colombia · Stratovolcano

Nevado del Tolima

Tolima, Nevado del

Type
Stratovolcano
Elevation
5215m
Last eruption
1943
Nevado del Tolima
Public domain · Wikimedia Commons
Type
Stratovolcano
Country
Colombia
Region
South America / Northern Andean Volcanic Arc
Elevation
5215m
Coordinates
4.658, -75.330
Last eruption
1943
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite
Geological summary

The steep-sided, glacier-covered Nevado del Tolima volcano contrasts with the broad profile of Nevado del Ruiz to the north. The andesitic-dacitic younger Tolima formed during the past 40,000 years, rising above and largely obscuring a 3-km-wide late-Pleistocene caldera. The summit consists of a cluster of late-Pleistocene to Holocene lava domes associated with thick block-lava flows on the N and E flanks, and extensive pyroclastic-flow deposits. The summit contains a funnel-shaped crater 200-300 m deep. Holocene activity has included explosive eruptions ranging in size from moderate to Plinian, and the last major eruption took place about 3,600 years ago. Lava dome growth has produced block-and-ash flows that traveled primarily to the NE and SE. Minor explosive eruptions have been recorded in the 19th and 20th centuries.

From Wikipedia

The Nevado del Tolima is a Late Pleistocene to recently active andesitic stratovolcano located in the Tolima department, Colombia. The volcano lies south of Nevado del Ruiz volcano and is situated within the Los Nevados National Natural Park. The volcano, whose most recent activity dates to 1943 and last major eruption around 3600 years ago, overlies the Eocene El Bosque Batholith, dated at 49.1 ± 1.7 Ma.

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Eruption history

12 recordedGlossary
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
7800 BCE~7475 BCE · 1 eruptions · max VEI 45527 BCE~5202 BCE · 1 eruptions · max VEI ?5202 BCE~4877 BCE · 1 eruptions · max VEI ?3578 BCE~3253 BCE · 1 eruptions · max VEI ?2279 BCE~1954 BCE · 1 eruptions · max VEI 5655 BCE~330 BCE · 1 eruptions · max VEI 3330 BCE~6 BCE · 1 eruptions · max VEI 36 BCE~319 · 1 eruptions · max VEI 31618~1943 · 4 eruptions · max VEI 27800 BCE5527 BCE2928 BCE655 BCE1618

Detailed timeline

  1. 1943VEI 2Observed
    1943-03-16 – end unknown
  2. 1826VEI 2Observed
    1826-05-16 – 1826-06-17
  3. 1825VEI 2Observed
    1825-03-02 – end unknown
  4. 1822VEI 2Observed
    1822-11-16 – end unknown
  5. 260 (±150 yrs)VEI 3Geological estimate
    260 – end unknown
  6. 200 BCE (±200 yrs)VEI 3Geological estimate
    200 BCE – end unknown
  7. 610 BCE (±200 yrs)VEI 3Geological estimate
    610 BCE – end unknown
  8. 1990 BCE (±200 yrs)VEI 5Geological estimate
    1990 BCE – end unknown
  9. 3500 BCE (±300 yrs)VEI ?Geological estimate
    3500 BCE – end unknown
  10. 5160 BCE (±200 yrs)VEI ?Geological estimate
    5160 BCE – end unknown
  11. 5310 BCE (±100 yrs)VEI ?Geological estimate
    5310 BCE – end unknown
  12. 7800 BCE (±300 yrs)VEI 4Geological estimate
    7800 BCE – end unknown

Nearby volcanoes

External links

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