Kevinjik Fire

1999252,778 acresAlaska

The Kevinjik Fire burned 252,778 acres, about 395 square miles, across Yukon-Koyukuk Census Area. It began on June 20, 1999.

Watch how it happened

Kevinjik Fire · 1999

How it happened

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

About this replay
IgnitionJune 20, 1999Historical replay — order not recorded
Final area252,778 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 Kevinjik Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered38%96,600
Moderatemixed: many trees killed, some survive26%66,848
Lowsurface fire, most trees survive16%39,404
Unburned to lowislands inside the perimeter, little change12%30,829
Increased greennessvegetation greener after the fire than before5.4%13,721
Not mappedcloud, shadow or water in the satellite images2.1%5,376

38% of the area inside the perimeter burned at high severity, about 96,600 acres; 65% 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
Yukon-Koyukuk Census AreaAK252,962

Other large fires in Alaska in 1999

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