Cosna River Fire
The Cosna River Fire burned 21,194 acres in Alaska, in 2005. It was discovered on June 17, 2005, and contained on September 30, 2005. The cause was recorded as natural.
- Size
- 21,194 acres
- Discovered
- June 17, 2005
- Contained
- September 30, 2005
- Cause
- Natural
Map
The burned area boundary MTBS mapped from Landsat imagery, 20,040 acres. Point of origin as reported, 64.630, -151.535.
The record
- Reported final size
- 21,194 acres
- Burned area mapped by MTBS
- 20,040 acres
- Area inside the final perimeter
- 20,720 acres
- Discovered
- June 17, 2005, 4:00 p.m. local time
- Contained
- September 30, 2005, 8:00 a.m. local time
- Cause
- Natural
- State
- Alaska
- Land ownership at origin
- State
- Reporting unit
- Alaska Fire Service
- Agency
- Bureau of Land Management
- Unit
- AKTAD
- Incident type
- Wildfire
- Unique fire identifier
- 2005-AKTAD-000292
- MTBS fire identifier
- AK6456115165720050617
- MTBS assessment
- Extended
- Fire occurrence record
- W-510522
- Perimeter map method
- Image Interpretation
- Note on the perimeter
- Fire perimeter modified using Landsat Image Service.
The three sizes are three measurements: the size the agency reported when the fire was out, the burned area MTBS drew from satellite imagery before and after, and the GIS area inside the final perimeter, unburned islands included. They rarely agree exactly.
Other large fires in Alaska in 200512
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Nelson Mountain Fire | 244,600 | Jun 13, 2005 | Natural |
| Salmon Fork Fire | 236,702 | Jul 19, 2005 | Natural |
| Old Dummy Fire | 231,822 | Jun 16, 2005 | Natural |
| Holtnatkatna Creek Fire | 194,015 | Jul 25, 2005 | Natural |
| Little Mud 2 Fire | 193,400 | Jun 11, 2005 | Natural |
| Rabbit Mountain Fire | 191,444 | Jul 24, 2005 | Natural |
| North Bonanza Fire | 190,942 | Jun 16, 2005 | Natural |
| Chapman Creek Fire | 172,321 | May 30, 2005 | Natural |
| Beaver Creek Fire | 166,439 | Jun 20, 2005 | Natural |
| Kandik River Fire | 154,432 | Jun 11, 2005 | Natural |
| Coleen Mountain Fire | 131,913 | Jul 24, 2005 | Natural |
| Saddle Fire | 121,149 | Aug 2, 2005 | Natural |
Sources
Perimeters from the National Interagency Fire Center’s Interagency Fire Perimeter History, compiled from the Forest Service, BLM, BIA, Fish and Wildlife Service, National Park Service, the Alaska Interagency Fire Center and CAL FIRE. Burned areas and ignition dates from Monitoring Trends in Burn Severity (MTBS), a program of the US Geological Survey and the USDA Forest Service. Fire reports from Short, Karen C. 2022, Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014], 6th Edition, Forest Service Research Data Archive, doi.org/10.2737/RDS-2013-0009.6. Records before 2014 were joined by this site: a fire report to the burned area its MTBS identifier names, a perimeter to the burned area it lies in when the names or the sizes agree.