United States · Lava dome
Mammoth Mountain
- Type
- Lava dome
- Elevation
- 3369m
- Last eruption
- 1260
- Type
- Lava dome
- Country
- United States
- Region
- North America / Basin and Range Volcanic Province
- Elevation
- 3369m
- Coordinates
- 37.631, -119.032
- Last eruption
- 1260
- Tectonic setting
- Rift zone / Continental crust (> 25 km)
- Landform
- Minor
- Major rock type
- Trachyte / Trachydacite
Geological summary
Mammoth Mountain, a trachydacitic lava-dome complex, lies on the SW topographic rim of Long Valley caldera.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Mammoth Mountain is a lava dome complex partially located in the town of Mammoth Lakes, California, within the Inyo National Forest of Madera and Mono counties. It is home to a large ski area primarily on the Mono County side.
Wikipedia · CC BY-SA · Read full article →
Eruption history
2 recordedGlossaryRecord summary
- Confirmed eruptions
- 2
- Uncertain eruptions
- 0
- Span of confirmed record
- 6540 BCE (±90 yrs) – 1260
- Largest confirmed eruption
- VEI 2 (6540 BCE)
- Confirmed eruptions since 1900
- 0
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
Detailed timeline
- 1260 (±40 yrs)VEI ?Geological estimate1260 – end unknownNorth flank of Mammoth Mountain
- 6540 BCE (±90 yrs)VEI 2Geological estimate6540 BCE – end unknownSSW of Mammoth Mtn (Red Cones)
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.