Lassics Fire

Wildfire in Trinity and Humboldt counties, July 2015

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Printed October 28, 2026 from www.firezones.info/fire/7436/lassics-fire-2015

Key facts

Started July 30, 2015
Contained September 6, 2015, after 38 days
Burned 18,192 acres
8th largest fire of 2015
Cause Lightning
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Where it burned

Counties

  1. Trinity County 10,723 acres
  2. Humboldt County 7,468 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. 1915 Unnamed fire 110 acres in total 108 acres shared
  2. 1924 Unnamed fire Cause: Debris burning 3 acres shared
  3. 1940 Signal Fire 17 acres in total · Cause: Lightning 16 acres shared
  4. 1940 Lassic Fire 5 acres in total · Cause: Lightning 4 acres shared
  5. 1940 Dry Lake Fire 5 acres in total · Cause: Lightning 3 acres shared
  6. 1953 Black Lassics Fire 78 acres in total · Cause: Lightning 76 acres shared
  7. 1953 Signal Peak Fire Cause: Lightning 11 acres shared
  8. 1953 Bear Creek Fire 10 acres in total · Cause: Lightning 9 acres shared
  9. 1959 Green Fire 7 acres in total · Cause: Equipment use 6 acres shared
  10. 1969 Signal Fire 6 acres in total · Cause: Lightning 5 acres shared
  11. 2002 Lassic Fire 24 acres in total · Cause: Miscellaneous 23 acres shared
  12. 2008 Lassic Fire Cause: Lightning 23 acres shared

Burned again

  1. 2020 August Complex 1,032,700 acres in total · Cause: Lightning 287 acres shared

Acres are the land each fire shares with the Lassics 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