Skamania County
Washington — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 50th
Skamania County faces low composite natural disaster risk (NRI Risk Index score 49.7, 50th national percentile), driven primarily by volcanic activity and wildfire exposure. Expected annual loss across all 18 hazard types is $19M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Volcanic Activity | High | 0.01 / yr | $2M |
| Wildfire | Medium | 0.01 / yr | $3M |
| Earthquake | Low | 0.01 / yr | $4M |
| Landslide | Low | 2.77 / yr | $22K |
| Cold Wave | Low | 0.53 / yr | $2M |
| Riverine Flood | Low | 0.01 / yr | $8M |
| Avalanche | Very Low | 0.01 / yr | $473 |
| Heat Wave | Very Low | 3.39 / yr | $258K |
| Ice Storm | Low | 0.64 / yr | $38K |
| Winter Weather | Very Low | 40.15 / yr | $26K |
| Coastal Flood | Very Low | 0.18 / yr | $33 |
| Strong Wind | Very Low | 0.05 / yr | $139K |
| Drought | Very Low | 5.01 / yr | $8 |
| Tornado | Very Low | 0.10 / yr | $29K |
| Lightning | Very Low | 6.37 / yr | $17K |
| Hail | Very Low | 0.06 / yr | $7K |
| Hurricane | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Skamania County?
Skamania County has a composite FEMA National Risk Index score of 49.7 out of 100, placing it in the Low category and the 50th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Skamania County?
The three highest-rated hazards are Volcanic Activity (High, $2M EAL), Wildfire (Medium, $3M EAL), Earthquake (Low, $4M EAL). These account for most of the county's expected annual losses.
How does Skamania County compare to other Washington counties?
Skamania County ranks #31 of 39 Washington counties for overall natural disaster risk, with a low 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. Skamania County's $19M EAL is a statistical average, not a guarantee for any specific year or address.