What the records say
- When
- 320 BCE
- Kind
- Volcanic eruption
- Coordinates
- 0.35° S, 78.62° W
- Vei
- 5
- Date uncertainty
- ± 16 years
- Vent
- Ninahuilca Chico II dome
- Unit
- N6 tephra
- Dated by
- Isotopic: 14C (uncalibrated)
- Volcano number
- 352021
Atacazo
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.
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The source
- Smithsonian GVP Volcanoes of the World: Holocene eruptionsGlobal Volcanism Program, Smithsonian InstitutionSmithsonian terms of use: personal, educational and non-commercial use, with creditGlobal Volcanism Program, Smithsonian Institution: Volcanoes of the World v5.3, https://doi.org/10.5479/si.GVP.VOTW5-2025.5.3Source page