Dollar Ridge Fire
201869,762 acresUtah
The Dollar Ridge Fire burned 69,762 acres, about 109 square miles, across 2 counties. It began on July 1, 2018.
Watch how it happenedDollar Ridge Fire · 2018
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 | 13% | 8,806 |
| Moderatemixed: many trees killed, some survive | 36% | 24,915 |
| Lowsurface fire, most trees survive | 33% | 23,267 |
| Unburned to lowislands inside the perimeter, little change | 18% | 12,356 |
| Increased greennessvegetation greener after the fire than before | 0.1% | 85 |
| Not mappedcloud, shadow or water in the satellite images | 0.5% | 332 |
13% of the area inside the perimeter burned at high severity, about 8,806 acres; 48% 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.
| Wasatch County | UT | 41,989 |
| Duchesne County | UT | 27,827 |
Other large fires in Utah in 2018
- Goose Creek Fire131,550 acres
- Pole Creek Fire102,350 acres
- Coal Hollow Fire30,219 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.