South Carolina

Comprehensive climate risk and disaster history profile

Billion-Dollar Events

$224.9B

Total Economic Impact

Counties

73.29

Avg Risk Score

Top Natural Hazards

Based on FEMA National Risk Index data across all 46 counties

Earthquake

84.42 Avg Risk Score

Hurricane

82.89 Avg Risk Score

Ice Storm

79.12 Avg Risk Score

Lightning

71.78 Avg Risk Score

Strong Wind

70.85 Avg Risk Score

Tornado

69.19 Avg Risk Score

Heat Wave

67.96 Avg Risk Score

Landslide

57.07 Avg Risk Score

Historical billion-dollar events by category (1980-2024)

severe-storm 33 events

$58.2B

winter-storm 8 events

$12.3B

drought 8 events

$27.6B

tropical-cyclone 8 events

$119.4B

freeze 2 events

$3.0B

flooding 2 events

$4.5B

How disaster frequency and costs have changed over time

Counties with the highest overall risk scores based on FEMA NRI

Rank	County	Risk Score	Risk Rating	SVI Percentile
1	Charleston	99.46	Relatively High	43.4%
2	Horry	98.98	Relatively High	70.2%
3	Beaufort	98.35	Relatively High	46.9%
4	Berkeley	98.0	Relatively High	54.5%
5	Dorchester	97.3	Relatively High	63.1%
6	Georgetown	95.26	Relatively Moderate	53.0%
7	Richland	93.35	Relatively Moderate	79.2%
8	Florence	93.1	Relatively Moderate	82.6%
9	Lexington	92.08	Relatively Moderate	48.5%
10	Orangeburg	91.76	Relatively Moderate	95.2%