Volcanoes of the United States

San Francisco Volcanic Field, United States

Cinder cone · 3,850 m (12,631 ft) · US-Arizona

San Francisco Volcanic Field is a cinder cone in the United States, 3,850 m (12,631 ft) high. Its last known eruption: aD 1 to 1499. NOAA records no significant eruption here.

San Francisco Volcanic Field on the map

San Francisco 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 06:58 UTC. USGS threat ranking: Moderate Threat.

Unassigned / Unassigned Yellowstone Volcano Observatory rates San Francisco Volcanic Field at alert level Unassigned, aviation color code Unassigned.

The observatory’s page

The volcano

Type
Cinder cone
Elevation
3,850 m (12,631 ft)
Region
US-Arizona
Summit
35.347° N, 111.678° W
Last known eruption
AD 1 to 1499
Holocene activity known from
Dendrochronology
Smithsonian volcano number
329020

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 San Francisco Volcanic FieldAsh 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.