GVP volcano 321050 · no holder yet
St. Helens
St. Helens is a 2,549 m stratovolcano in the United States, erupting as recently as 2008.
- Type
- Stratovolcano (composite landform)
- Summit
- 2,549 m above sea level
- Rock
- Dacite
- Setting
- Subduction zone, continental, over 25 km
- Last eruption
- 2008
- Largest known
- VEI 6, colossal, 1860 BCE
- Eruptions
- 40 confirmed in the record
- Where
- 46.20°N 122.18°W · United States
- Region
- High Cascades Volcanic Arc, North America Volcanic Regions
- Record
- Global Volcanism Program, volcano 321050
Not a hazard warning. For safety information follow USGS Volcano Hazards Program.