Belknap, United States

Shield volcano · 2,095 m (6,873 ft) · US-Oregon

Belknap is a shield volcano in the United States, 2,095 m (6,873 ft) high. Its last known eruption: aD 1 to 1499. NOAA records no significant eruption here.

Belknap on the map

Belknap 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

From the USGS Volcano Hazards Program, read 04:59 UTC. USGS threat ranking: Low Threat.

Unassigned / Unassigned Cascades Volcano Observatory rates Belknap at alert level Unassigned, aviation color code Unassigned.

The observatory’s page

The volcano

Type: Shield volcano
Elevation: 2,095 m (6,873 ft)
Country: United States
Region: US-Oregon
Summit: 44.285° N, 121.841° W
Last known eruption: AD 1 to 1499
Holocene activity known from: Radiocarbon
Smithsonian volcano number: 322060

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 Belknap 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. 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.