Volcano · United States (Alaska)
Augustine
An island volcano in Cook Inlet, last erupting in 2006.
Status right now
No current reports
Augustine is not in the latest Smithsonian weekly report, the USGS list of volcanoes on alert or the GDACS volcano alerts. That usually means it is quiet, but not every change is reported straight away. For official alerts, follow the local volcano observatory.
Checked 4 Nov 2026, 22:35 UTC.
Key facts
- Country
- United States (Alaska)
- Region
- North America
- Type
- Lava dome complex
- Summit
- 1,252 m (4,108 ft)
- Coordinates
- 59.363° N, 153.430° W
- Smithsonian number
- 313010
- USGS page
- usgs.gov/volcanoes/augustine
What kind of volcano is it?
Augustine is a lava dome complex. A lava dome complex is built from thick, sticky lava that piles up around the vent instead of flowing away. Domes can collapse without warning, sending out dangerous pyroclastic flows.
Eruption history
| Date | VEI | Deaths | Also |
|---|---|---|---|
| 6 Oct 1883 | 4 | 8 | tsunami |
| 1540 | 4 | – | tsunami |
| 350 | – | – | – |
3 significant eruptions near Augustine in NOAA's Global Significant Volcanic Eruptions Database, which lists eruptions that caused deaths, damage or a tsunami, or were VEI 6 or larger. VEI is the Volcanic Explosivity Index, from 0 to 8.
Nearby volcanoes
- SpurrUnited States (Alaska) · 225 km
- PavlofUnited States (Alaska) · 670 km
- ShishaldinUnited States (Alaska) · 816 km
- ClevelandUnited States (Alaska) · 1,251 km
- Great SitkinUnited States (Alaska) · 1,625 km
- Mount RainierUnited States · 2,494 km
Not an official warning service. In an emergency, follow your local authorities.