Katmai, United States
Katmai is a stratovolcano in the United States, 2,047 m (6,716 ft) high. Its last known eruption: 1900 to 1963. NOAA records no significant eruption here.
Katmai on the map
Katmai 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
Now
From the USGS Volcano Hazards Program, read 22:25 UTC. USGS threat ranking: High Threat.
Normal / Green Alaska Volcano Observatory rates Katmai at alert level Normal, aviation color code Green, since 2026-09-01 00:04 UTC.
AVO Katmai GREEN/NORMAL - Resuspended ash observed from 1912 eruption. Aviation color code and alert level remain at GREEN/NORMAL.
The volcano
- Type
- Stratovolcano
- Elevation
- 2,047 m (6,716 ft)
- Country
- United States
- Region
- Alaska Peninsula
- Summit
- 58.279° N, 154.953° W
- Last known eruption
- 1900 to 1963
- Holocene activity known from
- Historical
- Smithsonian volcano number
- 312170
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 KatmaiVolcanic 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.