Tsunami Risk in Oregon
All Oregon counties ranked by FEMA National Risk Index tsunami score
Tsunami risk — series of ocean waves triggered by undersea earthquakes or landslides — is rated for 7 of 36 Oregon counties in FEMA's National Risk Index. Clatsop County carries the state's highest tsunami score at 96.9, with $100M in expected annual tsunami losses.
2 Oregon counties are rated High or Very High for tsunami, and expected annual losses from tsunami total roughly $143M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Tsunami
| # | County | Tsunami Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Clatsop County | Very High | 0.15 / yr | $100M | |
| 2 | Curry County | High | 0.15 / yr | $17M | |
| 3 | Coos County | Medium | 0.15 / yr | $11M | |
| 4 | Tillamook County | Medium | 0.15 / yr | $9M | |
| 5 | Lincoln County | Medium | 0.15 / yr | $6M | |
| 6 | Douglas County | Very Low | 0.15 / yr | $320K | |
| 7 | Lane County | Very Low | 0.15 / yr | $240K |
7 Oregon counties with measurable tsunami risk. See the national tsunami ranking or all Oregon counties by overall risk.
Frequently Asked Questions
Which Oregon county has the highest tsunami risk?
Clatsop County has the highest FEMA tsunami risk score in Oregon at 96.9 (Very High), with $100M in expected annual losses and about 0.15 events per year.
How many Oregon counties face significant tsunami risk?
7 Oregon counties record measurable tsunami risk in FEMA's National Risk Index; 2 of them are rated High or Very High.