Started on Aug 4, 2026.
United States todayLive
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Fire view
Fire view (right): infrared (SWIR), sees through smoke and brings out the heat.
🟢 green = vegetation
🟤 brown = already burned
🟠 orange = fire right now
Drag to compare: normal photo on the left, heat brought out on the right.
Green: vegetationBrown: already burnedOrange: fire right nowSentinel-2 · Copernicus
Red dots: heat detected by satellite in the last 48h. NASA FIRMS
Quick facts
- Location
- 6 miles southeast of Valley Springs, CA
- People working on it
- 689 people
- Complexity
- Type 1 IncidentOfficial scale from 5 to 1: a Type 1 is the most complex in the country.
- What's burning
- Tall Grass (2.5 feet)
- How it's behaving
- Minimal, Long-range SpottingSmoldering — Burning without flame, in the ground or in roots. Can flare up days later.
- 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
Glossary: what each term means
Barely moving. Low, thin smoke.
Burning without flame, in the ground or in roots. Can flare up days later.
Moves slowly, hugging the ground.
Spreads with low, steady flames.
Spreading evenly and steadily, with visible flame.
Fast and unpredictable.
Runs along the ground much faster than a person walks.
Grows along the sides, not head-on.
Moves against the wind or downhill, which makes it slower.
Climbs into the treetops and jumps crown to crown. It can't be attacked from the ground.
Climbs into the crowns in bursts and drops back down.
Whole trees flaring up like torches.
Single scattered trees flaring up whole, like torches.
Whole clumps of trees flaring at once.
Wind carries embers through the air and starts new fires ahead of the front: that is how a fire jumps a road or a firebreak.
The wind pushes it in long runs in one direction.
The ones marked ● are the behaviors that make a fire harder to stop. They are not a warning or an instruction: they are the description written by the agency in charge. For decisions, always follow your emergency services.
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 3,243,965 hectares have burned so far in 2026 — 41% below the two-decade average. Data from Copernicus GWIS.
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Community reports
Reports from people near the fire · unverified
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Not official emergency information. In an emergency, contact fire services/authorities.
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