Dulby Hot Springs Fire
201843,491 acresAlaska
The Dulby Hot Springs Fire burned 43,491 acres, about 68 square miles, across Yukon-Koyukuk Census Area. It began on June 6, 2018.
Watch how it happenedDulby Hot Springs 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 | 6.8% | 2,957 |
| Moderatemixed: many trees killed, some survive | 29% | 12,788 |
| Lowsurface fire, most trees survive | 43% | 18,633 |
| Unburned to lowislands inside the perimeter, little change | 21% | 8,949 |
| Increased greennessvegetation greener after the fire than before | 0.1% | 51 |
| Not mappedcloud, shadow or water in the satellite images | 0.3% | 112 |
7% of the area inside the perimeter burned at high severity, about 2,957 acres; 36% 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 | 43,493 |
Other large fires in Alaska in 2018
- Zitziana River Fire70,320 acres
- Mooseheart Fire54,661 acres
- White Mountain Creek Fire29,981 acres
- Kevinjik Fire28,768 acres
- Taixtsalda Hill Fire28,040 acres
- Little Melozitna River Fire27,930 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.