Griggs, United States

Stratovolcano · 2,317 m (7,602 ft) · Alaska Peninsula

Griggs is a stratovolcano in the United States, 2,317 m (7,602 ft) high. Its last known eruption: undated, but a probable Holocene eruption. NOAA records no significant eruption here.

Griggs on the map

Griggs 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 10:52 UTC. USGS threat ranking: High Threat.

Normal / Green Alaska Volcano Observatory rates Griggs at alert level Normal, aviation color code Green, since 2022-03-18 23:33 UTC.

AVO Griggs GREEN/NORMAL - Aviation color code and alert level changed to GREEN/NORMAL due to reestabilished communication links to instrumental monitoring data.

The latest notice The observatory’s page

The volcano

Type: Stratovolcano
Elevation: 2,317 m (7,602 ft)
Country: United States
Region: Alaska Peninsula
Summit: 58.354° N, 155.092° W
Last known eruption: Undated, but a probable Holocene eruption
Holocene activity known from: Holocene
Smithsonian volcano number: 312190

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 Griggs Ash 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.