Further reading
External links
- Mammoth Mountain Ski Area trail map
- USGS Volcano Hazards Program, Long Valley Observatory
- QTVR of tree kill area
- Mammoth Earthquake 1980 May 25 16:33, 16:49, 19:44 UTC Magnitude 6.2, 5.9, 5.9
Mammoth Mountain
146 words updated Jun 18, 2026, 10:24 AM