Hog Butte Fire

2022206,009 acresAlaska

The Hog Butte Fire burned 206,009 acres, about 322 square miles, across Yukon-Koyukuk Census Area. It began on June 5, 2022.

Watch how it happened

Hog Butte 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
Detections7,995satellite 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 Hog Butte Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered8.4%17,312
Moderatemixed: many trees killed, some survive37%75,879
Lowsurface fire, most trees survive29%60,649
Unburned to lowislands inside the perimeter, little change14%28,150
Increased greennessvegetation greener after the fire than before1.2%2,424
Not mappedcloud, shadow or water in the satellite images10%21,594

8% of the area inside the perimeter burned at high severity, about 17,312 acres; 45% 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 AreaAK206,158

Other large fires in Alaska in 2022

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