Landslide Risk in South Carolina
All South Carolina counties ranked by FEMA National Risk Index landslide score
Landslide risk — downhill movement of rock, soil, and debris on unstable slopes — is rated for 46 of 46 South Carolina counties in FEMA's National Risk Index. Oconee County carries the state's highest landslide score at 85.5, with $25K in expected annual landslide losses.
No South Carolina county reaches the High band for landslide, and expected annual losses from landslide total roughly $148K 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 | Oconee County | Low | 1.73 / yr | $25K | |
| 2 | Richland County | Low | 0.42 / yr | $31K | |
| 3 | Aiken County | Low | 0.45 / yr | $16K | |
| 4 | Pickens County | Low | 1.25 / yr | $15K | |
| 5 | Greenville County | Low | 0.89 / yr | $17K | |
| 6 | Lexington County | Low | 0.28 / yr | $11K | |
| 7 | York County | Low | 0.71 / yr | $7K | |
| 8 | Spartanburg County | Low | 0.71 / yr | $5K | |
| 9 | Anderson County | Very Low | 0.59 / yr | $3K | |
| 10 | Kershaw County | Very Low | 0.35 / yr | $2K | |
| 11 | Union County | Very Low | 0.99 / yr | $2K | |
| 12 | Cherokee County | Very Low | 0.62 / yr | $2K | |
| 13 | Chesterfield County | Very Low | 0.28 / yr | $1K | |
| 14 | Fairfield County | Very Low | 1.33 / yr | $1K | |
| 15 | Lancaster County | Very Low | 0.60 / yr | $2K | |
| 16 | Berkeley County | Very Low | 0.33 / yr | $2K | |
| 17 | Laurens County | Very Low | 0.81 / yr | $1K | |
| 18 | Orangeburg County | Very Low | 0.27 / yr | $725 | |
| 19 | Chester County | Very Low | 0.75 / yr | $579 | |
| 20 | Horry County | Very Low | 0.17 / yr | $563 | |
| 21 | Sumter County | Very Low | 0.17 / yr | $589 | |
| 22 | Florence County | Very Low | 0.17 / yr | $496 | |
| 23 | Newberry County | Very Low | 0.52 / yr | $462 | |
| 24 | Charleston County | Very Low | 0.21 / yr | $650 | |
| 25 | Abbeville County | Very Low | 0.56 / yr | $378 | |
| 26 | Greenwood County | Very Low | 0.30 / yr | $441 | |
| 27 | Edgefield County | Very Low | 0.44 / yr | $375 | |
| 28 | Calhoun County | Very Low | 0.16 / yr | $311 | |
| 29 | McCormick County | Very Low | 0.38 / yr | $226 | |
| 30 | Darlington County | Very Low | 0.13 / yr | $230 | |
| 31 | Beaufort County | Very Low | 0.10 / yr | $202 | |
| 32 | Clarendon County | Very Low | 0.14 / yr | $98 | |
| 33 | Williamsburg County | Very Low | 0.20 / yr | $75 | |
| 34 | Colleton County | Very Low | 0.23 / yr | $73 | |
| 35 | Barnwell County | Very Low | 0.14 / yr | $61 | |
| 36 | Marlboro County | Very Low | 0.10 / yr | $56 | |
| 37 | Dillon County | Very Low | 0.07 / yr | $51 | |
| 38 | Dorchester County | Very Low | 0.16 / yr | $66 | |
| 39 | Georgetown County | Very Low | 0.14 / yr | $37 | |
| 40 | Marion County | Very Low | 0.09 / yr | $30 | |
| 41 | Lee County | Very Low | 0.09 / yr | $28 | |
| 42 | Saluda County | Very Low | 0.15 / yr | $21 | |
| 43 | Bamberg County | Very Low | 0.09 / yr | $17 | |
| 44 | Hampton County | Very Low | 0.11 / yr | $13 | |
| 45 | Allendale County | Very Low | 0.09 / yr | $11 | |
| 46 | Jasper County | Very Low | 0.12 / yr | $10 |
46 South Carolina counties with measurable landslide risk. See the national landslide ranking or all South Carolina counties by overall risk.
Frequently Asked Questions
Which South Carolina county has the highest landslide risk?
Oconee County has the highest FEMA landslide risk score in South Carolina at 85.5 (Low), with $25K in expected annual losses and about 1.73 events per year.
How many South Carolina counties face significant landslide risk?
46 South Carolina counties record measurable landslide risk in FEMA's National Risk Index; 0 of them are rated High or Very High.