Deadwood Fire

198757,030 acresIdaho

The Deadwood Fire burned 57,030 acres, about 89 square miles, across 2 counties. It began on August 4, 1987.

Watch how it happened

Deadwood Fire · 1987

How it happened

See how severely each place burned, revealed outward from where it started.

About this replay
IgnitionAugust 4, 1987Historical replay — order not recorded
Final area57,030 ac
Revealed—
Counties2

How severely it burned

Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.

Map of burn severity across the Deadwood Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered23%13,131
Moderatemixed: many trees killed, some survive19%10,864
Lowsurface fire, most trees survive19%10,799
Unburned to lowislands inside the perimeter, little change38%21,954
Increased greennessvegetation greener after the fire than before0.5%281

23% of the area inside the perimeter burned at high severity, about 13,131 acres; 42% 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.

Acres burned by county
Valley CountyID56,946
Custer CountyID103

Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.