Yellowstone, United States

Caldera · 2,805 m (9,203 ft) · US-Wyoming

Yellowstone is a caldera in the United States, 2,805 m (9,203 ft) high. Its last known eruption: bC (Holocene). NOAA records 1 significant eruption here, which killed 1 people where the toll is counted.

Yellowstone on the map

Yellowstone 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 15:32 UTC. USGS threat ranking: High Threat.

Normal / Green Yellowstone Volcano Observatory rates Yellowstone at alert level Normal, aviation color code Green, since 2026-09-02 00:55 UTC.

YVO Yellowstone GREEN/NORMAL - YVO Monthly Update: background seismicity and deformation

The latest notice The observatory’s page

The volcano

Type: Caldera
Elevation: 2,805 m (9,203 ft)
Country: United States
Region: US-Wyoming
Summit: 44.430° N, 110.670° W
Last known eruption: BC (Holocene)
Holocene activity known from: Tephrochronology
Smithsonian volcano number: 325010

Significant eruptions

1 on record, newest first.

June 9, 20161 death

Around it

The volcanoes within 300 km.

Earthquakes near Yellowstone 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.