Yetna Fire
200551,507 acresAlaska
The Yetna Fire burned 51,507 acres, about 80 square miles, across Yukon-Koyukuk Census Area. It began on August 2, 2005.
Watch how it happenedYetna Fire · 2005
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 | 9.8% | 5,066 |
| Moderatemixed: many trees killed, some survive | 31% | 15,912 |
| Lowsurface fire, most trees survive | 17% | 8,907 |
| Unburned to lowislands inside the perimeter, little change | 9.4% | 4,845 |
| Increased greennessvegetation greener after the fire than before | 0.3% | 160 |
| Not mappedcloud, shadow or water in the satellite images | 32% | 16,617 |
10% of the area inside the perimeter burned at high severity, about 5,066 acres; 41% 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.
| Yukon-Koyukuk Census Area | AK | 51,550 |
Other large fires in Alaska in 2005
- Salmon Fork Fire255,430 acres
- Old Dummy Fire238,884 acres
- Holtnatkatna Creek Fire204,464 acres
- North Bonanza Fire190,620 acres
- Little Mud 2 Fire187,905 acres
- Beaver Creek Fire184,035 acres
- Chapman Creek Fire165,363 acres
- Kandik River Fire156,377 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.