Coal Hollow Fire
201830,219 acresUtah
The Coal Hollow Fire burned 30,219 acres, about 47 square miles, across Utah County. It began on August 4, 2018.
Watch how it happenedCoal Hollow 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 | 27% | 8,022 |
| Moderatemixed: many trees killed, some survive | 43% | 13,010 |
| Lowsurface fire, most trees survive | 23% | 6,983 |
| Unburned to lowislands inside the perimeter, little change | 7.2% | 2,175 |
| Increased greennessvegetation greener after the fire than before | 0.1% | 29 |
27% of the area inside the perimeter burned at high severity, about 8,022 acres; 70% 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.
| Utah County | UT | 30,239 |
Other large fires in Utah in 2018
- Goose Creek Fire131,550 acres
- Pole Creek Fire102,350 acres
- Dollar Ridge Fire69,762 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.