Empire Fire
The Empire Fire burned 2,009 acres in Pima County, Arizona, in 2011. It was discovered on April 20, 2011, and contained on April 23, 2011. The cause was recorded as equipment and vehicle use.
- Size
- 2,009 acres
- Discovered
- April 20, 2011
- Contained
- April 23, 2011
- Cause
- Human
Map
The burned area boundary MTBS mapped from Landsat imagery, 2,162 acres. Point of origin as reported, 31.762, -110.679.
The record
- Reported final size
- 2,009 acres
- Burned area mapped by MTBS
- 2,162 acres
- Area inside the final perimeter
- 1,868 acres
- Discovered
- April 20, 2011, 4:15 p.m. local time
- Contained
- April 23, 2011, 6:00 p.m. local time
- Cause
- Human, Equipment and vehicle use
- State
- Arizona
- County
- Pima County
- Land ownership at origin
- Bureau of Land Management
- Reporting unit
- Gila District Office
- Agency
- Bureau of Land Management
- Unit
- AZSAD
- Incident type
- Wildfire
- MTBS fire identifier
- AZ3176511067520110420
- MTBS assessment
- Initial
- Fire occurrence record
- W-619008
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 Arizona in 201112
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Wallow Fire | 538,049 | May 29, 2011 | Human |
| Horseshoe 2 Fire | 222,954 | May 8, 2011 | Human |
| Murphy Complex | 68,079 | May 30, 2011 | Human |
| Monument Fire | 30,526 | Jun 12, 2011 | Human |
| Hidden Fire | 17,188 | Jul 9, 2011 | Natural |
| Arlene Fire | 10,610 | May 23, 2011 | Human |
| New Water Fire | 9,795 | Aug 3, 2011 | Natural |
| Bull Fire | 9,711 | Apr 26, 2011 | Human |
| Stanley Fire | 8,832 | Jun 26, 2011 | Natural |
| Duke Fire | 8,500 | Mar 20, 2011 | Human |
| Pena Fire | 6,050 | Mar 11, 2011 | Human |
| Tanner Fire | 5,460 | Aug 20, 2011 | Natural |
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.