Chisana River 2 Fire

201537,915 acresAlaska

The Chisana River 2 Fire burned 37,915 acres, about 59 square miles, across Southeast Fairbanks Census Area. It began on June 9, 2015.

Watch how it happened

Chisana River 2 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
Detections1,014satellite 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 Chisana River 2 Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered11%4,223
Moderatemixed: many trees killed, some survive17%6,613
Lowsurface fire, most trees survive14%5,166
Unburned to lowislands inside the perimeter, little change2.8%1,065
Increased greennessvegetation greener after the fire than before0.1%33
Not mappedcloud, shadow or water in the satellite images55%20,815

11% of the area inside the perimeter burned at high severity, about 4,223 acres; 29% 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
Southeast Fairbanks Census AreaAK37,941

Other large fires in Alaska in 2015

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