Iowithla River Fire

202243,389 acresAlaska

The Iowithla River Fire burned 43,389 acres, about 68 square miles, across Dillingham Census Area. It began on June 9, 2022.

Watch how it happened

Iowithla River Fire · 2022

How it happened

Watch it burn in the order satellites saw it, coloured by how severely each place burned.

About this replay
Date (UTC)—Historical replay
Burned so far—acres
High severity—of the area so far
Detections1,943satellite fire pixels

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 Iowithla River Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered4.1%1,759
Moderatemixed: many trees killed, some survive64%27,814
Lowsurface fire, most trees survive25%10,719
Unburned to lowislands inside the perimeter, little change1.5%650
Not mappedcloud, shadow or water in the satellite images5.6%2,437

4% of the area inside the perimeter burned at high severity, about 1,759 acres; 68% 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
Dillingham Census AreaAK43,424

Other large fires in Alaska in 2022

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