Hirz Fire (2018): burned area, damage and fire history

Key facts

Started	August 9, 2018
Contained	September 15, 2018, after 37 days
Burned	40,608 acres 9th largest fire of 2018
Cause	Miscellaneous

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Where it burned

County

Shasta County 40,606 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

1922 Unnamed fire 339 acres in total · Cause: Miscellaneous 335 acres shared
1924 Unnamed fire 3,643 acres in total · Cause: Lightning 3,587 acres shared
1924 Unnamed fire Cause: Miscellaneous 142 acres shared
1924 Unnamed fire 7,556 acres in total · Cause: Miscellaneous 1 acre shared
1931 Unnamed fire 1,219 acres in total · Cause: Miscellaneous 37 acres shared
1933 Unnamed fire 1,081 acres in total · Cause: Miscellaneous 988 acres shared
1999 High Fire 3,085 acres in total · Cause: Lightning 1,918 acres shared
2003 Green Fire 14 acres in total · Cause: Lightning 13 acres shared
2011 High Fire Cause: Lightning 7 acres shared

Burned again

2021 Salt Fire 12,599 acres in total · Cause: Equipment use 801 acres shared

Acres are the land each fire shares with the Hirz 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