Alder Springs Fire
The Alder Springs Fire burned 1,449 acres in Oregon, in 2011. It was discovered on September 22, 2011, and contained on September 26, 2011. The cause was recorded as human.
- Size
- 1,449 acres
- Discovered
- September 22, 2011
- Contained
- September 26, 2011
- Cause
- Human
Map
The burned area boundary MTBS mapped from Landsat imagery, 1,590 acres. Point of origin as reported, 44.443, -121.380.
The record
- Reported final size
- 1,449 acres
- Burned area mapped by MTBS
- 1,590 acres
- Area inside the final perimeter
- 1,449 acres
- Discovered
- September 22, 2011, 1:45 p.m. local time
- Contained
- September 26, 2011, 6:00 p.m. local time
- Cause
- Human, Undetermined
- State
- Oregon
- Land ownership at origin
- Forest Service
- Reporting unit
- Ochoco National Forest
- Agency
- Forest Service
- Unit
- ORDEF
- Incident type
- Wildfire
- MTBS fire identifier
- OR4444312138020110922
- MTBS assessment
- Initial
- Fire occurrence record
- FS-1500930
- Perimeter map method
- GPS - Uncorrected Data
- Perimeter records
- 2 on file for this fire; the largest is shown
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 Oregon in 201112
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Razor Back East Fire | 51,384 | Aug 24, 2011 | Natural |
| High Cascades Fire | 44,476 | Aug 24, 2011 | |
| I-0511 Hancock Fire | 23,069 | ||
| Powerline Fire | 20,907 | ||
| I-0511 Hancock Fire | 18,810 | ||
| West Hill Fire | 15,370 | ||
| Clarks Butte Fire | 13,299 | Aug 6, 2011 | Natural |
| Clarno Fire | 11,107 | ||
| Hancock Complex | 11,000 | Aug 24, 2011 | Natural |
| Shadow Lake Fire | 10,000 | Aug 28, 2011 | Natural |
| Unnamed Fire | 9,000 | Aug 1, 2011 | Natural |
| Cactus Mountain Fire | 8,212 | Sep 7, 2011 | Human |
Nearby
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.