World Map › Sumaco
Volcano
Sumaco
Stratovolcano · 3,990 m · Ecuador
Sumaco sits on the South American Plate, in a subduction zone. 3 eruptions are known since the end of the last ice age, the most recent in 1895.
- Elevation
- 3,990 m
- Type
- Stratovolcano
- Tectonic Setting
- Subduction zone, continental crust
- Dominant Rock
- Trachybasalt / Tephrite Basanite
- Plate
- South American Plate
- Country
- Ecuador
- Last Eruption
- 1895
- Known Eruptions (Holocene)
- 3
- Max. Explosivity (VEI)
- 3
Nearby Cities
Cities of more than 20,000 people within 100 km.
- 53 kmTena31,000 people
- 88 kmCayambe28,000 people
- 96 kmSangolquí179,000 people
Eruption Timeline
Each bar is an eruption; its height shows its explosivity (VEI 0 to 8).
Eruption Uncertain Date
Sources : Global Volcanism Program, 2026. Volcanoes of the World (v. 5.4.0; 7 Aug 2026), Smithsonian Institution, doi:10.5479/si.GVP.VOTW5-2026.5.4 (volcano.si.edu) · NOAA NCEI · USGS · Wikidata