Big Cave, United States

Shield volcano · 1,259 m (4,131 ft) · US-California

Big Cave is a shield volcano in the United States, 1,259 m (4,131 ft) high. NOAA records no significant eruption here.

Big Cave on the map

Big Cave 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

Now

No USGS alert level is set for this volcano, or the USGS did not answer just now.

The volcano

Type: Shield volcano
Elevation: 1,259 m (4,131 ft)
Country: United States
Region: US-California
Summit: 40.955° N, 121.365° W
Last known eruption: Unknown
Holocene activity known from: Holocene

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 Big Cave 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.