ZIP code 95552

Trinity and Humboldt counties, including Ruth and Mad River

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Report created October 27, 2026 at www.firezones.info/zip/95552

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    23% Very High

    All of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    71% has burned

    Most recently the 2024 Lake Fire, which burned 5 acres here, one of 90 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    98% Elevated

    Utilities may shut off power in the CPUC High Fire-Threat District in fire weather, and homes outside it can lose power when their lines run through it.

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Land by hazard class

  1. Very High 20,596 acres · State Responsibility Area 23%
  2. High 2,086 acres · State Responsibility Area 2%
  3. Not mapped by CAL FIRE 66,021 acres · Mostly federal land 74%

88,703 acres of land in all, 22,682 of it in the State Responsibility Area. State zones are the ones the State Fire Marshal designated, in effect since 1 April 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

Largest fires

  1. 2020 August Complex Of 1,032,700 acres in all · Cause: Lightning 43,040 acres
  2. 2015 Pickett Fire Of 11,013 acres in all · Cause: Lightning 10,220 acres
  3. 2015 Lassics Fire Of 18,192 acres in all · Cause: Lightning 7,058 acres
  4. 2015 Gobbler Fire Of 8,305 acres in all · Cause: Lightning 6,459 acres
  5. 2011 Ruth Fire Of 1,457 acres in all · Cause: Debris burning 1,342 acres
  6. 2008 Lime Fire Of 24,885 acres in all · Cause: Lightning 1,292 acres
  7. 2000 Journey Fire Cause: Arson 1,010 acres
  8. 1938 Unnamed fire Of 357 acres in all · Cause: Lightning 337 acres
  9. 1974 Unnamed fire Cause: Smoking 322 acres
  10. 1982 Unnamed fire Of 297 acres in all · Cause: Debris burning 294 acres

And 80 smaller fires. In all, 63,075 acres of ZIP code 95552 have burned. Acres are the land each fire burned here, and fires that crossed 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 hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published 27 June 2025, local map 2 February 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Power line fire risk
California Public Utilities Commission
Published 23 February 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

Nearby areas

Communities in ZIP code 95552

Neighboring ZIP codes

  1. 95552 23% Very High · this area
  2. 95526 65% Very High
  3. 95595 29% Very High
  4. 96041 22% Very High