Volcano
Three Sisters
- Country
- United States
- Type
- Complex
- Elevation
- 3159 m
- Last eruption
- 439
Volcano alert levels
- Cascades Volcano ObservatoryGREEN / NORMAL
Issued
USGS gives the aviation colour code and the ground alert level.
Volcano data: Global Volcanism Program, Smithsonian Institution
Klaxon is not an official warning service. Always follow your local authorities. Read the disclaimer
Share
Earthquakes within 30 km, past 30 days
No earthquakes within 30 km in the past 30 days.