The U.S. Geological Survey confirmed a magnitude 1.8 earthquake at 3:52 a.m. EST Thursday, centered south of Centerville, marking the latest in a series of small tremors recorded across the South Carolina Lowcountry and nearby areas of North Carolina.
According to the South Carolina Emergency Management Division, recent activity includes a magnitude 2.45 near Centerville on Feb. 11, a magnitude 1.5 west of Rosman, NC near U.S. Route 64 on Feb. 10, and additional low‑magnitude quakes around Ladson and Centerville earlier this month.
The cluster aligns with the Middleton Place–Summerville Seismic Zone, the East Coast’s most active fault system and the source of the historic 1886 Charleston earthquake.
While these small events rarely travel far, moderate South Carolina earthquakes are sometimes felt in western and northwestern North Carolina, where older mountain and foothill bedrock carries seismic waves more efficiently than the coastal plain.
Despite periodic seismic flurries, there is no indication that earthquakes are influencing population growth or relocation trends in the Lowcountry or neighboring NC counties, where other environmental and economic factors remain more significant.
Sources: South Carolina Emergency Management Division (SCEMD); U.S. Geological Survey (USGS)
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