Chitanana Fire

2022105,682 acresAlaska

The Chitanana Fire burned 105,682 acres, about 165 square miles, across Yukon-Koyukuk Census Area. It began on June 20, 2022.

Watch how it happened

Chitanana 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
Detections4,483satellite 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 Chitanana Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered22%23,383
Moderatemixed: many trees killed, some survive26%27,295
Lowsurface fire, most trees survive30%32,192
Unburned to lowislands inside the perimeter, little change18%18,956
Increased greennessvegetation greener after the fire than before1.3%1,409
Not mappedcloud, shadow or water in the satellite images2.3%2,448

22% of the area inside the perimeter burned at high severity, about 23,383 acres; 48% 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 AreaAK105,747

Other large fires in Alaska in 2022

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