Clear Lake Volcanic Field, United States

Volcanic field · 1,439 m (4,721 ft) · US-California

Clear Lake Volcanic Field is a volcanic field in the United States, 1,439 m (4,721 ft) high. Its last known eruption: undated, but a probable Holocene eruption. NOAA records no significant eruption here.

Clear Lake Volcanic Field on the map

Clear Lake Volcanic Field 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 and webcams

Now

From the USGS Volcano Hazards Program, read 22:01 UTC. USGS threat ranking: High Threat.

Normal / Green California Volcano Observatory rates Clear Lake Volcanic Field at alert level Normal, aviation color code Green.

The observatory’s page

The volcano

Type: Volcanic field
Elevation: 1,439 m (4,721 ft)
Country: United States
Region: US-California
Summit: 38.970° N, 122.770° W
Last known eruption: Undated, but a probable Holocene eruption
Holocene activity known from: Holocene
Smithsonian volcano number: 323100

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 Clear Lake Volcanic Field Ash advisories and webcams 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. Alert levels, color codes and notices from the USGS Volcano Hazards Program and its observatories, public domain. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.