Gann Fire (California)
True color
Fire (SWIR)
Infrared / SWIR (right): sees through smoke.
🟢 green = vegetation
🟤 red/brown = burned
🟠 orange = active fire
Imagery: Sentinel-2 (Copernicus). Drag to compare smoke vs. infrared.
Heat detections: NASA FIRMS (last 48h).
Quick facts
- Location
- 6 Miles SE from Valley Springs, CA
- Personnel
- 689
- Complexity
- Type 1 Incident
- Fuel
- Tall Grass (2.5 feet)
- Behavior
- Minimal, Smoldering, Long-range Spotting
- Jurisdiction
- San Andreas Fire Protection District, City of Angels Camp, Calaveras Consolidated Fire Protection District, Mountain Counties EMSA, PG&E, California Department of Corrections and Rehabilitation, Cal OES, Copperopolis Fire Protection District, California Valley Miwok Tribe, Calaveras Band of Miwuk Indians, CHP, CalTrans. · Private land
Burning across 10,339 acres over a nine-day span, the Gann Fire in Calaveras County, California, has averaged an approximate daily growth of 1,149 acres. Situated six miles southeast of Valley Springs, the incident has now reached full containment following a robust suppression effort involving 689 personnel operating under a Type 1 Incident designation and a Type 3 Team management structure.
Fire behavior on the private lands near Valley Springs featured minimal activity and smoldering alongside long-range spotting, fueled predominantly by 2.5-foot-tall grass. Operations to fully secure the perimeter accumulated total costs reaching $37,402,244 since the fire started on August 4, 2026.
This event unfolds during the region's typical fire season, which spans from June to October. On a broader scale, a total of 2,866,952 hectares have burned across the country so far in 2026, tracking 48% below the two-decade average.
In context
This wildfire burned in California for 29 days. In total it burned about 10,339 acres — around 42 km².
In the Northern Hemisphere, wildfire activity usually peaks during the warm, dry months — roughly May through October.
The bigger picture in United States
Across United States, roughly 3,185,593 hectares have burned so far in 2026 — 42% below the two-decade average. Data from Copernicus GWIS.
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