Delta Fire
202357,928 acresAlaska
The Delta Fire burned 57,928 acres, about 91 square miles, across Southeast Fairbanks Census Area. It began on July 25, 2023.
Watch how it happenedDelta Fire · 2023
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 | 14% | 8,315 |
| Moderatemixed: many trees killed, some survive | 52% | 30,002 |
| Lowsurface fire, most trees survive | 30% | 17,243 |
| Unburned to lowislands inside the perimeter, little change | 3.8% | 2,217 |
| Not mappedcloud, shadow or water in the satellite images | 0.2% | 140 |
14% of the area inside the perimeter burned at high severity, about 8,315 acres; 66% 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.
| Southeast Fairbanks Census Area | AK | 57,974 |
Other large fires in Alaska in 2023
- Clear Creek Fire54,386 acres
- Pogo Mine Road Fire51,191 acres
- Rock Creek Fire33,831 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.