Ophir Creek Fire

201531,462 acresAlaska

The Ophir Creek Fire burned 31,462 acres, about 49 square miles, across Bethel Census Area. It began on June 24, 2015.

Watch how it happened

Ophir Creek 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
Detections383satellite 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 Ophir Creek Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered3.5%1,116
Moderatemixed: many trees killed, some survive21%6,555
Lowsurface fire, most trees survive61%19,308
Unburned to lowislands inside the perimeter, little change7.8%2,458
Increased greennessvegetation greener after the fire than before0.2%77
Not mappedcloud, shadow or water in the satellite images6.2%1,948

4% of the area inside the perimeter burned at high severity, about 1,116 acres; 24% 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
Bethel Census AreaAK31,489

Other large fires in Alaska in 2015

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