Ranch Fire
200737,006 acresCalifornia
The Ranch Fire burned 37,006 acres, about 58 square miles, across 2 counties. It began on October 20, 2007.
Watch how it happenedRanch Fire · 2007
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 | 1.5% | 537 |
| Moderatemixed: many trees killed, some survive | 15% | 5,645 |
| Lowsurface fire, most trees survive | 37% | 13,688 |
| Unburned to lowislands inside the perimeter, little change | 28% | 10,246 |
| Increased greennessvegetation greener after the fire than before | 19% | 6,869 |
| Not mappedcloud, shadow or water in the satellite images | 0.1% | 22 |
1% of the area inside the perimeter burned at high severity, about 537 acres; 17% 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.
| Los Angeles County | CA | 25,559 |
| Ventura County | CA | 11,451 |
Other large fires in California in 2007
- Zaca Fire242,003 acres
- Witch Fire167,415 acres
- Harris Fire90,374 acres
- Moonlight Fire65,726 acres
- Poomacha Fire47,467 acres
- Buckweed Fire41,315 acres
- Inyo Complex (Oak)28,426 acres
- Santiago Fire27,585 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.