Ecuador · Stratovolcano
volcano Atacazo
Atacazo
- Type
- Stratovolcano
- Elevation
- 4463m
- Last eruption
- -320

- Type
- Stratovolcano
- Country
- Ecuador
- Region
- South America / Northern Andean Volcanic Arc
- Elevation
- 4463m
- Coordinates
- -0.353, -78.617
- Last eruption
- -320
- Tectonic setting
- Subduction zone / Continental crust (> 25 km)
- Landform
- Composite
- Major rock type
- Andesite / Basaltic andesite
Geological summary
Atacazo, located about 25 km SW of Quito, consists of a large Pleistocene andesitic stratovolcanoes truncated by a late-Pleistocene to Holocene caldera.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Atacazo is a volcano of the Western Cordillera located 25 kilometers southwest of Quito, Ecuador. Atacazo is a stratovolcano formed by the action of a Late-Pleistocene to Holocene caldera. The last eruption of the Atacazo was nearly 2300 years ago.
Wikipedia · CC BY-SA · Read full article →
Eruption history
4 recordedGlossaryRecord summary
- Confirmed eruptions
- 4
- Uncertain eruptions
- 0
- Span of confirmed record
- 6910 BCE – 320 BCE
- Largest confirmed eruption
- VEI 5 (320 BCE, the most recent of 2)
- Confirmed eruptions since 1900
- 0
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
Detailed timeline
- 320 BCE (±16 yrs)VEI 5Geological estimate320 BCE – end unknownNinahuilca Chico II dome
- 2490 BCE (±40 yrs)VEI 5Geological estimate2490 BCE – end unknownNinahuilca Chico I dome
- 3490 BCE (±100 yrs)VEI 4Geological estimate3490 BCE – end unknownArenal II dome
- 6910 BCEVEI 4Geological estimate6910 BCE – end unknownLa Cocha II dome
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.