riskbycounty
FEMA National Risk Index

Glenn County Disaster Risk

Glenn County, California

FEMA Risk Rating

Relatively Low

National Percentile

74th

of 3,144 counties

State Rank

#53

of 58 (1 = highest risk)

Flood Risk

42th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 42% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 92% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 9% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 93% of US counties

Risk Advisory: Glenn County

Risk Verdict

Glenn County shows a relatively low overall disaster risk profile, scoring in the 74th percentile nationally. The county faces moderate hazard exposure relative to other U.S. counties. Standard emergency preparedness is recommended, with attention to the specific hazards that dominate locally.

Hazard Breakdown

Earthquake risk is the dominant hazard for Glenn County, scoring in the 93th percentile nationally. It is followed by wildfire risk at the 92th percentile. Additional hazards include flood (42th), tornado (9th).

Preparedness Context

With earthquake risk as the top concern, Glenn County residents should secure heavy furniture and appliances, know how to shut off utilities, and keep emergency supplies accessible. Secondary risks such as wildfire also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Glenn County is notably safer than the average county in California. Its composite risk score is 14.3 points lower than the state average, indicating below-average exposure to natural hazards relative to other counties in the state.

Is your home insured against Glenn County's risks?

Compare home and flood insurance quotes in minutes.

Get Quotes →

Sponsored

Frequently Asked Questions

What is the natural disaster risk in Glenn County, CA?
Glenn County has a FEMA National Risk Index rating of Relatively Low, placing it in the 74th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Glenn County?
Glenn County is evaluated for five major natural hazard types: earthquake (93th percentile), wildfire (92th percentile), flooding (42th percentile), tornado (9th percentile). The highest-risk hazard is earthquake at the 93th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Glenn County risk compare to the California average?
Glenn County's composite risk percentile is 74th, compared to the California state average of 89th percentile. The state's overall risk rating is Relatively Moderate. This means Glenn County faces lower natural disaster risk than the typical county in California.
Is Glenn County at risk for earthquake?
Yes, Glenn County's earthquake risk is at the 93th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Glenn County is at the 42th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Is Glenn County a safe place to live?
Glenn County's composite risk score of 74th percentile is below the California state average of 89th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is earthquake at the 93th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

Lassen County

California

-1.3

Relatively Low

73th percentile

Amador County

California

+4.8

Relatively Low

79th percentile

Inyo County

California

+4.9

Relatively Low

79th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.

Explore more data for Glenn County

Property TaxCost of LivingCrime RateIncomeHealthSchoolsWater QualityWeatherCounty Score