Eureka, California: natural disaster risk
How exposed Eureka is to floods, storms and other hazards, from FEMA and NOAA records for Humboldt County.
Eureka is a city of 26,010 people in Humboldt County, California. FEMA's National Risk Index rates Humboldt County relatively high for natural hazards overall, higher than most of the US. The costliest hazards there are earthquake, inland flooding and tsunami, with about $189 million in expected losses a year across the county. The weather service has logged 232 storm reports in the county since 1958, including 2 tornadoes and 98 floods. About 0.7% of homes in the county carry federal flood insurance.
Risk figures are for Humboldt County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Eureka
Full Humboldt County report ›- Ask whether an older house is bolted to its foundation.
- Consider separate earthquake insurance where risk is high.
- Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
- Price a flood policy now. Most new federal policies take 30 days to start.
- Learn the tsunami evacuation route signs.
- If you feel a strong quake near the coast, move to high ground right away.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Earthquake | $94M | |
| Inland flooding | $51M | |
| Tsunami | $33M | |
| Coastal flooding | $4M | |
| Wildfire | $3M | |
| Landslide | $2M | |
| Drought | $650K | |
| Heat wave | $252K | |
| Lightning | $93K | |
| Hail | $40K | |
| Tornado | $32K | |
| Strong wind | $18K |
Homes in Eureka
Older homes and mobile homes usually take more damage in storms, floods and earthquakes. Ask about roof age, flood history and retrofits before you buy or rent.
Strongest tornadoes in Humboldt County
Other cities in California
All ›Common questions about Eureka
Is Eureka safe from natural disasters?
Eureka is in Humboldt County, which FEMA's National Risk Index rates relatively high overall, higher than most of the US. The biggest hazards are earthquake, inland flooding, tsunami. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Eureka?
By expected yearly losses in Humboldt County, the top hazards are earthquake (High), inland flooding (High), tsunami (High). Humboldt County has been part of 24 federal disaster or emergency declarations for natural events.
Does Eureka get tornadoes?
Yes. NOAA records list 2 tornadoes in Humboldt County since 1950; the strongest was an F2 tornado on March 29, 1958. FEMA rates tornado risk in the county very low.
Do I need flood insurance in Eureka?
Standard home insurance does not cover floods. In Humboldt County, about 0.7% of homes have federal flood insurance, and FEMA rates inland flooding risk high. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.