Stuyahok River Fire

201545,211 acresAlaska

The Stuyahok River Fire burned 45,211 acres, about 71 square miles, across 2 counties. It began on June 25, 2015.

Watch how it happened

Stuyahok River Fire · 2015

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
Detections927satellite 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 Stuyahok River Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered22%9,803
Moderatemixed: many trees killed, some survive32%14,318
Lowsurface fire, most trees survive20%9,152
Unburned to lowislands inside the perimeter, little change20%8,872
Increased greennessvegetation greener after the fire than before4.9%2,211
Not mappedcloud, shadow or water in the satellite images1.9%855

22% of the area inside the perimeter burned at high severity, about 9,803 acres; 53% 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 AreaAK45,236
Kusilvak Census AreaAK2

Other large fires in Alaska in 2015

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