Landslide Risk in Utah
All Utah counties ranked by FEMA National Risk Index landslide score
Landslide risk — downhill movement of rock, soil, and debris on unstable slopes — is rated for 29 of 29 Utah counties in FEMA's National Risk Index. Washington County carries the state's highest landslide score at 98.6, with $1M in expected annual landslide losses.
2 Utah counties are rated High or Very High for landslide, and expected annual losses from landslide total roughly $3M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Landslide
| # | County | Landslide Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Washington County | High | 2.64 / yr | $1M | |
| 2 | San Juan County | High | 3.85 / yr | $492K | |
| 3 | Garfield County | Medium | 6.43 / yr | $165K | |
| 4 | Wasatch County | Medium | 1.01 / yr | $240K | |
| 5 | Kane County | Medium | 3.33 / yr | $134K | |
| 6 | Davis County | Medium | 0.40 / yr | $217K | |
| 7 | Wayne County | Medium | 1.99 / yr | $98K | |
| 8 | Beaver County | Medium | 1.54 / yr | $85K | |
| 9 | Piute County | Medium | 0.93 / yr | $88K | |
| 10 | Summit County | Medium | 1.40 / yr | $141K | |
| 11 | Iron County | Medium | 1.90 / yr | $86K | |
| 12 | Morgan County | Medium | 0.67 / yr | $111K | |
| 13 | Duchesne County | Medium | 2.88 / yr | $75K | |
| 14 | Salt Lake County | Low | 0.87 / yr | $53K | |
| 15 | Uintah County | Low | 3.08 / yr | $47K | |
| 16 | Rich County | Low | 0.85 / yr | $42K | |
| 17 | Cache County | Low | 0.83 / yr | $43K | |
| 18 | Grand County | Low | 2.44 / yr | $24K | |
| 19 | Emery County | Low | 3.38 / yr | $16K | |
| 20 | Carbon County | Low | 1.66 / yr | $16K | |
| 21 | Sevier County | Low | 2.50 / yr | $20K | |
| 22 | Sanpete County | Low | 1.42 / yr | $14K | |
| 23 | Utah County | Low | 1.67 / yr | $16K | |
| 24 | Daggett County | Very Low | 0.33 / yr | $3K | |
| 25 | Weber County | Very Low | 0.45 / yr | $2K | |
| 26 | Box Elder County | Very Low | 3.08 / yr | $2K | |
| 27 | Juab County | Very Low | 1.58 / yr | $791 | |
| 28 | Tooele County | Very Low | 2.76 / yr | $699 | |
| 29 | Millard County | Very Low | 2.29 / yr | $197 |
29 Utah counties with measurable landslide risk. See the national landslide ranking or all Utah counties by overall risk.
Frequently Asked Questions
Which Utah county has the highest landslide risk?
Washington County has the highest FEMA landslide risk score in Utah at 98.6 (High), with $1M in expected annual losses and about 2.64 events per year.
How many Utah counties face significant landslide risk?
29 Utah counties record measurable landslide risk in FEMA's National Risk Index; 2 of them are rated High or Very High.