Chesterfield County Disaster Risk
Chesterfield County, Virginia
FEMA Risk Rating
Relatively Moderate
National Percentile
85th
of 3,144 counties
State Rank
#2
of 133 (1 = highest risk)
Flood Risk
89th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 89% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Relatively Low
Higher than 44% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively Low
Higher than 77% of US counties
Earthquake
Seismic activity and ground shaking risk
Moderate
Higher than 90% of US counties
Hurricane
Tropical cyclone and hurricane risk
Moderate
Higher than 86% of US counties
Risk Overview
About Natural Disaster Risk in Chesterfield County, Virginia
Chesterfield ranks moderately above national average
With a composite risk score of 84.83, Chesterfield registers as relatively moderate risk and significantly exceeds the national average. Earthquake risk of 89.63 and flood risk of 89.47 are the primary drivers of this elevated profile.
Highest-risk county in Virginia
Chesterfield's composite score of 84.83 dramatically exceeds Virginia's state average of 33.27, making it the state's most at-risk community. This distinction reflects the county's diverse hazard exposure across earthquakes, floods, and tornadoes.
Significantly riskier than surrounding areas
Chesterfield's 84.83 composite score substantially exceeds Culpeper County (46.25) and Cumberland County (19.72) to the northwest and south. The county's unique combination of seismic and flood vulnerability sets it apart from neighboring regions.
Earthquakes and floods pose major threats
Earthquake risk of 89.63 and flood risk of 89.47 dominate Chesterfield's hazard profile, with tornado risk of 76.78 adding additional concern. The county's position near the East Coast seismic zone and proximity to major waterways create compounded exposure.
Multi-hazard insurance coverage is critical
Chesterfield residents should secure comprehensive flood insurance and earthquake coverage, as both hazards rank among the state's highest. Review your homeowners policy annually and consider additional seismic reinforcement for structures in high-risk zones.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Chesterfield County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Chesterfield County
Risk Verdict
At the 85th percentile nationally, Chesterfield County sits in the upper half of U.S. counties for natural disaster exposure. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Chesterfield County residents.
Hazard Breakdown
Earthquake risk is Chesterfield County's dominant natural hazard, ranked at the 90th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 89th percentile nationally. Additional tracked hazards include hurricane (86th percentile), tornado (77th percentile), wildfire (44th percentile).
Preparedness Context
With earthquake ranked as the top hazard at the 90th percentile nationally, Chesterfield County residents benefit from reviewing homeowners insurance: standard policies rarely cover earthquake damage, and separate earthquake insurance must be purchased before an event. Flood at the 89th percentile nationally is a separate hazard dimension for Chesterfield County that requires different protective strategies from earthquake preparedness. Earthquake insurance in Chesterfield County is typically offered as a separate policy — standard homeowners coverage excludes ground movement. Reviewing this gap and comparing policy options before an event is a financial preparedness step with potentially large consequences.
Regional Context
The Virginia county average is 51.6 composite points below Chesterfield County's score, a gap that reflects the county's elevated position in the state's hazard distribution.
Is your household prepared for Chesterfield County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Chesterfield County, VA?
What types of natural hazards affect Chesterfield County?
How does Chesterfield County risk compare to the Virginia average?
Is Chesterfield County at risk for earthquake?
How is natural disaster risk measured?
Why is Chesterfield 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.