Sorenson Complex (South Twin Peaks)
199646,571 acresUtah
The Sorenson Complex (South Twin Peaks) burned 46,571 acres, about 73 square miles, across 2 counties. It began on July 5, 1996.
Watch how it happenedSorenson Complex (South Twin Peaks) · 1996
How it happened
See how severely each place burned, revealed outward from where it started.
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 | 6.9% | 3,218 |
| Moderatemixed: many trees killed, some survive | 42% | 19,712 |
| Lowsurface fire, most trees survive | 37% | 17,070 |
| Unburned to lowislands inside the perimeter, little change | 14% | 6,571 |
7% of the area inside the perimeter burned at high severity, about 3,218 acres; 49% 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.
| Millard County | UT | 36,683 |
| Beaver County | UT | 9,893 |
Other large fires in Utah in 1996
- Leamington Complex (Wash)161,106 acres
- Davis Knoll Complex (Davis Knoll)34,833 acres
- Leamington Complex (Leamington)28,146 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.