Timber Fire

199329,761 acresAlaska

The Timber Fire burned 29,761 acres, about 47 square miles, across Bethel Census Area. It began on May 30, 1993.

Watch how it happened

Timber Fire · 1993

How it happened

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

About this replay
IgnitionMay 30, 1993Historical replay — order not recorded
Final area29,761 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 Timber Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered5.3%1,575
Moderatemixed: many trees killed, some survive9.5%2,833
Lowsurface fire, most trees survive73%21,701
Unburned to lowislands inside the perimeter, little change10%3,102
Not mappedcloud, shadow or water in the satellite images1.8%549

5% of the area inside the perimeter burned at high severity, about 1,575 acres; 15% 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
Bethel Census AreaAK29,787

Other large fires in Alaska in 1993

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