Oregon landslide risk
Benton County has the highest landslide risk in Oregon, scoring 97.5 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Benton County | 97.5 | Relatively Moderate | 0 |
| 2 | Lincoln County | 97.5 | Relatively Moderate | 0 |
| 3 | Multnomah County | 96.9 | Relatively Moderate | 5 |
| 4 | Coos County | 96.3 | Relatively Moderate | 0 |
| 5 | Clackamas County | 95.8 | Relatively Moderate | 3 |
| 6 | Douglas County | 95.4 | Relatively Moderate | 0 |
| 7 | Tillamook County | 92.1 | Relatively Moderate | 1 |
| 8 | Curry County | 92 | Relatively Moderate | 0 |
| 9 | Umatilla County | 90.3 | Relatively Moderate | 0 |
| 10 | Columbia County | 89.4 | Relatively Moderate | 0 |
| 11 | Clatsop County | 88.7 | Relatively Moderate | 0 |
| 12 | Lane County | 88.4 | Relatively Moderate | 4 |
| 13 | Yamhill County | 87.9 | Relatively Moderate | 0 |
| 14 | Jackson County | 86.5 | Relatively Low | 0 |
| 15 | Hood River County | 86.1 | Relatively Low | 0 |
| 16 | Washington County | 85.8 | Relatively Low | 0 |
| 17 | Josephine County | 85.7 | Relatively Low | 0 |
| 18 | Grant County | 85.1 | Relatively Low | 0 |
| 19 | Polk County | 83.9 | Relatively Low | 0 |
| 20 | Marion County | 83.6 | Relatively Low | 0 |
| 21 | Baker County | 83.1 | Relatively Low | 3 |
| 22 | Deschutes County | 81.6 | Relatively Low | 0 |
| 23 | Linn County | 79.3 | Relatively Low | 1 |
| 24 | Wallowa County | 78.4 | Relatively Low | 0 |
| 25 | Malheur County | 77.8 | Relatively Low | 1 |
| 26 | Crook County | 74.4 | Relatively Low | 0 |
| 27 | Harney County | 74.2 | Relatively Low | 0 |
| 28 | Morrow County | 71.1 | Relatively Low | 0 |
| 29 | Wheeler County | 69.5 | Relatively Low | 0 |
| 30 | Union County | 66.1 | Relatively Low | 0 |
| 31 | Klamath County | 59.4 | Very Low | 0 |
| 32 | Gilliam County | 55.8 | Very Low | 0 |
| 33 | Wasco County | 55.2 | Very Low | 0 |
| 34 | Lake County | 44.6 | Very Low | 0 |
| 35 | Jefferson County | 42.9 | Very Low | 0 |
| 36 | Sherman County | 41.5 | Very Low | 0 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Landslide risk nationally:
Other hazard risks in Oregon:
Frequently asked questions
What is the highest landslide risk county in Oregon?
Benton County, OR has the highest landslide risk in Oregon, with a FEMA National Risk Index score of 97.5 out of 100 (rated "Relatively Moderate").
What causes landslide risk in Oregon?
Landslide risk covers expected losses from hillslope failures, rockfalls, and debris flows triggered by heavy rainfall, snowmelt, wildfire, or earthquakes. High scores concentrate in the Pacific Northwest, California coastal ranges, Appalachians, and Rocky Mountain foothills, where steep terrain combines with intense precipitation or seismic activity.