Hogatza River Fire

201651,106 acresAlaska

The Hogatza River Fire burned 51,106 acres, about 80 square miles, across Yukon-Koyukuk Census Area. It began on June 26, 2016.

Watch how it happened

Hogatza River Fire · 2016

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
Detections1,489satellite 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 Hogatza River Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered34%17,555
Moderatemixed: many trees killed, some survive35%18,066
Lowsurface fire, most trees survive21%10,718
Unburned to lowislands inside the perimeter, little change8.2%4,214
Increased greennessvegetation greener after the fire than before0.2%98
Not mappedcloud, shadow or water in the satellite images0.9%455

34% of the area inside the perimeter burned at high severity, about 17,555 acres; 70% 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 AreaAK51,144

Other large fires in Alaska in 2016

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