GVP volcano 323150 · no holder yet
Mammoth Mountain
Mammoth Mountain is a 3,369 m lava dome in the United States, last erupted in 1260.
- Type
- Lava dome(s) (minor landform)
- Summit
- 3,369 m above sea level
- Rock
- Trachyte / Trachydacite
- Setting
- Rift zone, continental, over 25 km
- Last eruption
- 1260
- Largest known
- VEI 2, explosive, 6540 BCE
- Eruptions
- 2 confirmed in the record
- Where
- 37.63°N 119.03°W · United States
- Region
- Basin and Range Volcanic Province, North America Volcanic Regions
- Record
- Global Volcanism Program, volcano 323150
Not a hazard warning. For safety information follow USGS Volcano Hazards Program.