Lane County
Oregon — Natural Disaster Risk Assessment
HighComposite Risk Score
National percentile: 96th
Lane County faces high composite natural disaster risk (NRI Risk Index score 96.4, 96th national percentile), driven primarily by earthquake and riverine flood exposure. Expected annual loss across all 18 hazard types is $221M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Earthquake | High | 0.02 / yr | $95M |
| Riverine Flood | High | 0.86 / yr | $117M |
| Volcanic Activity | Medium | 0.01 / yr | $197K |
| Heat Wave | Medium | 4.49 / yr | $5M |
| Landslide | Medium | 5.47 / yr | $45K |
| Lightning | High | 7.54 / yr | $1M |
| Winter Weather | High | 19.74 / yr | $313K |
| Ice Storm | High | 0.32 / yr | $505K |
| Wildfire | Low | 0.00 / yr | $155K |
| Strong Wind | Medium | 0.03 / yr | $650K |
| Coastal Flood | Low | 3.65 / yr | $288K |
| Avalanche | Very Low | 0.01 / yr | $482 |
| Cold Wave | Low | 0.13 / yr | $735K |
| Hail | Very Low | 0.17 / yr | $119K |
| Tsunami | Very Low | 0.15 / yr | $240K |
| Tornado | Very Low | 0.12 / yr | $248K |
| Drought | Very Low | 17.89 / yr | $1K |
| Hurricane | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Lane County?
Lane County has a composite FEMA National Risk Index score of 96.4 out of 100, placing it in the High category and the 96th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Lane County?
The three highest-rated hazards are Earthquake (High, $95M EAL), Riverine Flood (High, $117M EAL), Volcanic Activity (Medium, $197K EAL). These account for most of the county's expected annual losses.
How does Lane County compare to other Oregon counties?
Lane County ranks #2 of 36 Oregon counties for overall natural disaster risk, with a high rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Lane County's $221M EAL is a statistical average, not a guarantee for any specific year or address.