City vs city
Harbor Island vs Columbia, SC
Columbia currently scores 3 points higher overall than Harbor Island, with the largest gap in storm surge.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Overall
Harbor Island: 46/100 · Columbia: 49/100
Columbia is 3 points higher.
Flood
Harbor Island: 85/100 · Columbia: 27/100
Harbor Island is 58 points higher.
Wind
Harbor Island: 49/100 · Columbia: 24/100
Harbor Island is 25 points higher.
Lightning
Harbor Island: 52/100 · Columbia: 72/100
Columbia is 20 points higher.
Tornado
Harbor Island: 0/100 · Columbia: 44/100
Columbia is 44 points higher.
Hail
Harbor Island: 4/100 · Columbia: 86/100
Columbia is 82 points higher.
Storm surge
Harbor Island: 98/100 · Columbia: 0/100
Harbor Island is 98 points higher.