Flat Fire
202334,472 acresOregon
The Flat Fire burned 34,472 acres, about 54 square miles, across 2 counties. It began on July 16, 2023.
Watch how it happenedFlat 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 | 29% | 9,861 |
| Moderatemixed: many trees killed, some survive | 30% | 10,353 |
| Lowsurface fire, most trees survive | 30% | 10,418 |
| Unburned to lowislands inside the perimeter, little change | 11% | 3,740 |
| Not mappedcloud, shadow or water in the satellite images | 0.3% | 95 |
29% of the area inside the perimeter burned at high severity, about 9,861 acres; 59% 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.
| Curry County | OR | 33,903 |
| Josephine County | OR | 595 |
Other large fires in Oregon in 2023
- Kelly Fire90,208 acres
- Bedrock Fire31,663 acres
- Lookout Fire25,057 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.