Norse Peak Fire
201750,992 acresWashington
The Norse Peak Fire burned 50,992 acres, about 80 square miles, across 2 counties. It began on August 12, 2017.
Watch how it happenedNorse Peak Fire · 2017
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 | 43% | 21,821 |
| Moderatemixed: many trees killed, some survive | 20% | 9,957 |
| Lowsurface fire, most trees survive | 22% | 11,368 |
| Unburned to lowislands inside the perimeter, little change | 14% | 6,965 |
| Not mappedcloud, shadow or water in the satellite images | 1.7% | 857 |
43% of the area inside the perimeter burned at high severity, about 21,821 acres; 62% 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.
| Yakima County | WA | 28,932 |
| Pierce County | WA | 22,084 |
Other large fires in Washington in 2017
- Diamond Creek Fire117,619 acres
- Jolly Mountain Fire38,148 acres
- Silver Dollar Fire30,795 acres
- Sutherland Canyon Fire29,507 acres
- 400 Fire27,233 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.