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Wildfire perimeter

PAPER

Burned 45,020 acres (182 km², 70.3 mi²) in CA during 1987.

IRWIN unkn-40000-320… USFS CA fire history 1987 fires
Acres burned
45,020
182 km²
Year
1987
FIRE_YEAR field
State
CA
POOState region
Reporting agency
USFS
NIFC source
01 Perimeter shape

The fire's footprint

Simplified polygon (≤0.001° tolerance). 4 rings. Centroid 37.916°, -120.111°.

NW: 37.993°N, 120.251°W SE: 37.839°N, 119.972°W

About this perimeter

Sourced from the NIFC InterAgency Fire Perimeter History ArcGIS service. Polygon geometry has been simplified to ≤0.001° tolerance for storage; original full-fidelity perimeters are at fire.nifc.gov. We track all 75,044 documented historical perimeters; this detail view renders the top 1,000 by acreage. The shape above is rendered fully server-side with no JavaScript or external mapping library — it preserves the polygon's shape but not its precise geographic placement on a basemap.