Volcanic eruption
See 1797 on the mapUncertain eruption of Quilotoa
4 Feb 1797 · 0.86° S, 78.90° W
Quilotoa is a water-filled crater lake and the most western volcano in the Ecuadorian Andes.
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What the records say
- When
- 4 Feb 1797
- Kind
- Volcanic eruption
- Coordinates
- 0.86° S, 78.90° W
- Uncertain
- yes
- Volcano number
- 352060
- Eruption number
- 11602
Quilotoa
Westernmost volcano in the Ecuadorian Andes
Quilotoa is a water-filled crater lake and the most western volcano in the Ecuadorian Andes. The 3-kilometre-wide (2 mi) caldera was formed by the collapse of this dacite volcano following a catastrophic VEI-6 eruption about 800 years ago, which produced pyroclastic flows and lahars that reached the Pacific Ocean, and spread an airborne deposit of volcanic ash throughout the northern Andes.
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Nearby in time and place
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