Ingakslugwat Hills Fire

202069,424 acresAlaska

The Ingakslugwat Hills Fire burned 69,424 acres, about 108 square miles, across 2 counties. It began on May 31, 2020.

Watch how it happened

Ingakslugwat Hills Fire · 2020

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
Detections1,569satellite 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 Ingakslugwat Hills Fire
Burn severity by class
SeverityShareAcres
Moderatemixed: many trees killed, some survive26%18,171
Lowsurface fire, most trees survive62%42,698
Unburned to lowislands inside the perimeter, little change5.9%4,101
Not mappedcloud, shadow or water in the satellite images6.4%4,451

No part of the fire was classed as high severity; 26% burned at moderate 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
Kusilvak Census AreaAK58,736
Bethel Census AreaAK10,749

Other large fires in Alaska in 2020

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