Unnamed Fire

199838,811 acresArizona

The Unnamed Fire burned 38,811 acres, about 61 square miles, across Yavapai County. It began on July 11, 1998.

Watch how it happened

Unnamed Fire · 1998

How it happened

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

About this replay
IgnitionJuly 11, 1998Historical replay — order not recorded
Final area38,811 ac
Revealed—
Counties1

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 Unnamed Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered1.6%605
Moderatemixed: many trees killed, some survive4.6%1,804
Lowsurface fire, most trees survive23%9,042
Unburned to lowislands inside the perimeter, little change70%27,115
Increased greennessvegetation greener after the fire than before0.6%246

2% of the area inside the perimeter burned at high severity, about 605 acres; 6% 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
Yavapai CountyAZ38,814

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