Humboldt County Disaster Risk
Humboldt County, California
FEMA Risk Rating
Relatively High
National Percentile
97th
of 3,144 counties
State Rank
#24
of 58 (1 = highest risk)
Flood Risk
94th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 94% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Relatively High
Higher than 96% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 8% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively High
Higher than 99% of US counties
Risk Overview
About Natural Disaster Risk in Humboldt County, California
Humboldt faces relatively high national risk
Humboldt County's composite risk score of 96.76 places it in the 'Relatively High' category, well above the national average. The county's coastal location and seismic setting create sustained exposure to multiple major hazards. This elevated rating reflects the serious, converging disaster risks that shape life in Humboldt communities.
Humboldt ranks among state's highest risks
Humboldt's 96.76 score substantially exceeds California's 88.72 average, placing it in the upper tier of the state's 58 counties. The county's high ranking reflects consistent elevation across earthquake, flood, and wildfire hazards. This statewide comparison underscores Humboldt's particularly challenging natural disaster exposure.
Humboldt's risks echo coastal seismic peers
Humboldt's 96.76 score ranks near fellow high-risk counties Fresno (99.30), Kern (98.89), and Imperial (96.47), reflecting shared major hazard exposure. The county's coastal earthquake risk of 98.98 particularly distinguishes it from inland neighbors. Among northern California counties, Humboldt faces proportionally higher composite risk than most peers.
Earthquake, flood, and wildfire all extreme
Humboldt's earthquake risk reaches a critical 98.98, while flood risk scores 94.18 and wildfire risk hits 95.52. The county's coastal setting amplifies flood and seismic hazards, while regional fire seasons drive wildfire exposure. This convergence of near-maximum hazard scores makes Humboldt one of California's most complex disaster-risk environments.
Comprehensive coverage essential for Humboldt
Humboldt residents must prioritize earthquake insurance given the extreme 98.98 score, plus flood and wildfire coverage appropriate to their specific location. Coastal and valley communities face distinctly different flood patterns, so local risk assessment is critical. Building a complete insurance portfolio now protects your investment against Humboldt's multiple, converging hazards.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Humboldt County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Humboldt County
Risk Verdict
FEMA's National Risk Index places Humboldt County at the 97th percentile nationally — in the high-risk bracket for U.S. counties. Residents should prioritize a formal household emergency plan, including evacuation routes, insurance review, and a well-stocked emergency kit.
Hazard Breakdown
Earthquake risk is Humboldt County's dominant natural hazard, ranked at the 99th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 96th percentile nationally. Additional tracked hazards include flood (94th percentile), tornado (8th percentile).
Preparedness Context
Earthquake exposure at the 99th percentile nationally puts Humboldt County in a zone where utilities — gas, water, electrical — are the most common post-quake hazard. Knowing how to shut off the main gas valve is an important household skill to develop before an event occurs. Wildfire at the 96th percentile nationally is a separate hazard dimension for Humboldt County that requires different protective strategies from earthquake preparedness. Humboldt County households benefit from keeping shoes and a flashlight near the bed — post-earthquake navigation through debris in the dark is a common cause of secondary injury. This low-cost step has outsized protective value.
Regional Context
Humboldt County is 8.0 composite risk points above the California average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.
Is your household prepared for Humboldt County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Humboldt County, CA?
What types of natural hazards affect Humboldt County?
How does Humboldt County risk compare to the California average?
Is Humboldt County at risk for earthquake?
How is natural disaster risk measured?
Why is Humboldt County higher risk than average?
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.