World Map › Osorno
Volcano
Osorno
Stratovolcano · 2,659 m · Chile
Osorno sits on the South American Plate, in a subduction zone. 17 eruptions are known since the end of the last ice age, the most recent in 1869.
Osorno, in southern Chile, rises above Lake Llanquihue as an almost perfect ice-capped cone, often compared to Mount Fuji.
In 1835 Charles Darwin saw it erupting from the island of Chiloé. Its last eruption took place in 1869.
- Elevation
- 2,659 m
- Type
- Stratovolcano
- Tectonic Setting
- Subduction zone, continental crust
- Dominant Rock
- Basalt / Picro-Basalt
- Plate
- South American Plate
- Country
- Chile
- Last Eruption
- 1869
- Known Eruptions (Holocene)
- 17
- Max. Explosivity (VEI)
- 4
Nearby Cities
Cities of more than 20,000 people within 100 km.
- 48 kmPuerto Varas25,000 people
- 54 kmPuerto Montt175,000 people
- 82 kmOsorno154,000 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