Gypsum Fire

Wildfire in Orange County, October 1982

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Printed October 28, 2026 from www.firezones.info/fire/3680/gypsum-fire-1982

Key facts

Started October 9, 1982
Contained Not recorded
Burned 20,142 acres
2nd largest fire of 1982
Cause Miscellaneous
Open map

Where it burned

County

  1. Orange County 20,142 acres

Communities

  1. Anaheim 6,241 acres
  2. Orange 3,305 acres
  3. Tustin 283 acres
  4. Irvine 53 acres
  5. Villa Park 10 acres

Acres are the land the fire burned in each county and community, and places where it burned less than an acre are not listed. Communities are cities, towns and the unincorporated places the Census Bureau names, so land outside any of them is counted only in its county.

The same land, other fires

Burned before

  1. 1914 Unnamed fire 18,755 acres in total 10,005 acres shared
  2. 1929 Unnamed fire 1,082 acres shared
  3. 1948 Green River Fire 53,080 acres in total 18,984 acres shared
  4. 1951 Nohl Fire 175 acres shared
  5. 1958 Santiago Fire 109 acres shared
  6. 1962 Unnamed fire 139 acres in total 22 acres shared
  7. 1967 Paseo Grande Fire 51,077 acres in total 20,086 acres shared

Burned again

  1. 1984 Loma Ridge Fire 1,435 acres in total 12 acres shared
  2. 1993 Stagecoach Fire 581 acres shared
  3. 1997 Baker Fire 6,320 acres in total 836 acres shared
  4. 2002 Green Fire 2,234 acres in total · Cause: Power lines 1,084 acres shared
  5. 2004 Irvine Fire Cause: Arson 53 acres shared
  6. 2006 Sierra Fire 10,592 acres in total · Cause: Escaped prescribed burn 6,587 acres shared
  7. 2007 241 Incident Fire Cause: Arson 1,616 acres shared
  8. 2007 Freemont/Irvine Lake Fire Cause: Aircraft 9 acres shared
  9. 2007 Santiago Fire 28,430 acres in total · Cause: Miscellaneous 143 acres shared
  10. 2008 Freeway Fire 30,305 acres in total · Cause: Vehicle 259 acres shared
  11. 2017 Canyon I Fire 2,661 acres in total · Cause: Miscellaneous 78 acres shared
  12. 2017 Canyon Ii Fire 9,198 acres in total · Cause: Debris burning 8,634 acres shared
  13. 2020 Park Fire 24 acres shared

And 5 more fires that burned less of the same land. Acres are the land each fire shares with the Gypsum Fire, and fires that shared less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history

Sources

Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Building damage
CAL FIRE Damage Inspection
Updated 19 October 2026

This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data