East Rock Fire
201239,750 acresIdaho
The East Rock Fire burned 39,750 acres, about 62 square miles, across Owyhee County. It began on August 6, 2012.
Watch how it happenedEast Rock Fire · 2012
How it happened
See how severely each place burned, revealed outward from where it started.
How severely it burned
Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.
| Severity | Share | Acres |
|---|---|---|
| Moderatemixed: many trees killed, some survive | 8.1% | 3,211 |
| Lowsurface fire, most trees survive | 71% | 28,269 |
| Unburned to lowislands inside the perimeter, little change | 11% | 4,356 |
| Increased greennessvegetation greener after the fire than before | 0.1% | 52 |
| Not mappedcloud, shadow or water in the satellite images | 9.7% | 3,862 |
No part of the fire was classed as high severity; 8% burned at moderate 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.
| Owyhee County | ID | 39,774 |
Other large fires in Idaho in 2012
- Mustang Complex377,684 acres
- Halstead Fire190,122 acres
- Kinyon Road Fire171,373 acres
- Trinity Ridge Fire141,762 acres
- Flat Top 2 Fire102,417 acres
- Cave Canyon Fire84,831 acres
- Cache Creek Fire75,463 acres
- Sheep Fire50,738 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.