Alpine County Disaster Risk
Alpine County, California
FEMA Risk Rating
Very Low
National Percentile
11th
of 3,144 counties
State Rank
#58
of 58 (1 = highest risk)
Flood Risk
11th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Very Low
Higher than 11% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Moderate
Higher than 89% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 1% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 53% of US counties
Risk Overview
About Natural Disaster Risk in Alpine County, California
Alpine faces very low national disaster risk
Alpine County's composite risk score of 10.56 places it among the lowest-risk counties nationwide, well below the national average. This exceptional safety profile makes Alpine one of California's most resilient communities against natural disasters.
California's safest county by far
Alpine's score of 10.56 dramatically undercuts California's state average of 88.72, making it the clear outlier for disaster safety. The county's remote, mountainous geography and sparse population contribute to its minimal overall hazard exposure.
Alpine stands apart from riskier Sierra neighbors
Alpine (10.56) enjoys dramatically lower risk than neighboring Amador County (79.20) and Calaveras County (86.61). This safety advantage stems from Alpine's higher elevation, smaller population, and distance from major flood corridors that affect its neighbors.
Wildfire poses your primary hazard concern
Wildfire risk of 89.12 stands as Alpine County's most significant natural hazard, though it remains secondary to the county's overall low composite score. Earthquake risk (53.02) ranks second, while tornado and flood risks are minimal by any standard.
Standard coverage suffices for Alpine homes
Alpine's low-risk profile means standard homeowners insurance provides solid protection for most residents. Consider adding wildfire-specific coverage or defensible space improvements as your primary disaster preparation, given the county's minimal earthquake and flood exposure.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Alpine County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Alpine County
Risk Verdict
Compared to the nation's 3,144 counties, Alpine County ranks at the 11th percentile for natural disaster risk — toward the safer end of the spectrum. Residents of Alpine County can use the 11th percentile ranking as a baseline, while recognizing that individual properties may still lie in specific hazard zones that differ from the county average.
Hazard Breakdown
Wildfire risk is Alpine County's dominant natural hazard, ranked at the 89th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 53th percentile nationally. Additional tracked hazards include flood (11th percentile), tornado (1th percentile).
Preparedness Context
Alpine County sits at the 89th percentile for wildfire exposure. Signing up for Alpine County's county emergency alert system and knowing the pre-planned evacuation route before conditions deteriorate are the two highest-value preparedness actions for residents here. Alongside wildfire, earthquake at the 53th percentile nationally means a multi-season preparedness mindset — fire season and flood or storm season often require different household plans. In Alpine County, wildfire smoke often precedes the flame front by hours or days; households benefit from tracking EPA's AirNow.gov and having HEPA air filtration available as a first line of indoor protection when air quality alerts are issued.
Regional Context
At 78.2 points below the California state average, Alpine County is among the lower-risk counties in the state for natural disaster exposure.
Is your household prepared for Alpine County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Alpine County, CA?
What types of natural hazards affect Alpine County?
How does Alpine County risk compare to the California average?
Is Alpine County at risk for wildfire?
How is natural disaster risk measured?
Is Alpine County a safe place to live?
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.