Mountain Fire
201328,176 acresCalifornia
The Mountain Fire burned 28,176 acres, about 44 square miles, across Riverside County. It began on July 15, 2013.
Watch how it happenedMountain Fire · 2013
How it happened
Watch it burn in the order satellites saw it, coloured by how severely each place burned.
How severely it burned
Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.
| Severity | Share | Acres |
|---|---|---|
| Highmost vegetation consumed, soils altered | 46% | 13,089 |
| Moderatemixed: many trees killed, some survive | 29% | 8,197 |
| Lowsurface fire, most trees survive | 18% | 5,018 |
| Unburned to lowislands inside the perimeter, little change | 6.6% | 1,871 |
46% of the area inside the perimeter burned at high severity, about 13,089 acres; 76% burned at moderate or high severity.
Monitoring Trends in Burn Severity (U.S. Geological Survey and USDA Forest Service). Classes come from the change in a Landsat burn index (dNBR) between images before and after the fire; acres are each class’s share of the fire’s mapped area.
Where it burned
Acres inside each county, measured from the satellite-mapped perimeter.
| Riverside County | CA | 28,202 |
Other large fires in California in 2013
- Rim Fire257,334 acres
- Powerhouse Fire32,310 acres
- American Fire27,948 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.