Cerro Overo, Chile

Maar · 4,555 m (14,944 ft) · Chile-N

Cerro Overo is a maar in Chile, 4,555 m (14,944 ft) high. Its last known eruption: undated, but a probable Holocene eruption. NOAA records no significant eruption here.

Cerro Overo on the map

Cerro Overo and the volcanoes within 300 km, colored by when each last erupted.

Since 1964
1900 to 1963
1800s
AD 1 to 1799
Before AD 1, or undated

Open the live map with volcanic ash advisories

The volcano

Type: Maar
Elevation: 4,555 m (14,944 ft)
Country: Chile
Region: Chile-N
Summit: 23.520° S, 67.670° W
Last known eruption: Undated, but a probable Holocene eruption
Holocene activity known from: Holocene
Smithsonian volcano number: 355097

Significant eruptions

NOAA records eruptions that killed, did damage, were very large, or set off a tsunami or earthquake.

None on record.

Around it

The volcanoes within 300 km.

Earthquakes near Cerro Overo Volcanic ash advisories on the live map

Sources

Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.