Volcanoes of the United States

Rainier, United States

Stratovolcano · 4,392 m (14,409 ft) · US-Washington

Rainier is a stratovolcano in the United States, 4,392 m (14,409 ft) high. Its last known eruption: 1800 to 1899. NOAA records no significant eruption here.

Rainier on the map

Rainier 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 19:48 UTC. USGS threat ranking: Very High Threat.

Normal / Green Cascades Volcano Observatory rates Rainier at alert level Normal, aviation color code Green, since 2025-08-25 22:38 UTC.

CVO Mount Rainier GREEN/NORMAL - Earthquake activity at Mount Rainier has returned to typical rates of seismicity.

The latest noticeThe observatory’s page

The volcano

Type
Stratovolcano
Elevation
4,392 m (14,409 ft)
Region
US-Washington
Summit
46.853° N, 121.760° W
Last known eruption
1800 to 1899
Holocene activity known from
Dendrochronology
Smithsonian volcano number
321030

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 RainierVolcanic 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.