Volcanoes of the United States

Glacier Peak, United States

Stratovolcano · 3,213 m (10,541 ft) · US-Washington

Glacier Peak is a stratovolcano in the United States, 3,213 m (10,541 ft) high. Its last known eruption: 1700 to 1799. NOAA records no significant eruption here.

Glacier Peak on the map

Glacier Peak 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 17:12 UTC. USGS threat ranking: Very High Threat.

Normal / Green Cascades Volcano Observatory rates Glacier Peak at alert level Normal, aviation color code Green.

The observatory’s page

The volcano

Type
Stratovolcano
Elevation
3,213 m (10,541 ft)
Region
US-Washington
Summit
48.112° N, 121.113° W
Last known eruption
1700 to 1799
Holocene activity known from
Tephrochronology
Smithsonian volcano number
321020

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 Glacier PeakVolcanic 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.