At least a dozen earthquakes have struck South Carolina in the Greenwood County area within roughly one week, centered near Coronaca and Lake Greenwood, with the largest registering about magnitude 3.0.

The earthquake swarm prompted the South Carolina Emergency Management Division to urge residents to review earthquake preparedness steps and insurance options.

Why It Matters

The flurry of small quakes was notable for its frequency in a concentrated area and because some events were shallow enough to be felt by residents, even though the magnitudes remained below levels typically associated with structural damage.

Primary reporting and state records indicated the Coronaca/Greenwood sequence represented the most active week in the area since an earlier swarm in October 2024, and contri

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