Alaska Large Wildfire History
Since 1980, 1,662 wildfires of 1,000 acres or more have been mapped in Alaska, 106 of them above 100,000 acres. The largest burned 558,929 ac; together they cover about 44,755,353 ac.
Fires by decade
What starts the fires in Alaska
Every wildfire incident on record has a cause code. Counts are of incidents, not acres — lightning fires are fewer but tend to grow far larger.
Source: National Interagency Fire Center, WFIGS incident records (WFIGS incident records, roughly 2014 to present). A specific cause is recorded for only some incidents; “Undetermined” and “Unknown” are the agency's own categories.
Largest in Alaska
All mapped large fires
Source: National Interagency Fire Center, Interagency Fire Perimeter History. Only fires with a mapped perimeter of 1,000 acres or more appear; the state is inferred from the responsible unit code. A record of past fires is not a forecast. See About the Data.