South Carolina Earthquake Aftershock: 2.4 Magnitude Quake Strikes Northwest of Charleston Around 9 PM
SOUTH CAROLINA — Another earthquake was recorded northwest of Charleston around 9:00 PM, measuring magnitude 2.4, and is believed to be an aftershock connected to the magnitude 3.0 earthquake that struck Saturday.
According to the location shown on the map, the epicenter appears centered near North Charleston and Summerville, with shaking most noticeable across parts of the Charleston metro area.
Where the Earthquake Was Felt
The impact zone highlighted on the map shows concentric circles centered inland from the Charleston coastline. Communities most likely within the strongest shaking area include:
- North Charleston
- Summerville
- Parts of the greater Charleston area
The epicenter appears northwest of downtown Charleston, closer to inland neighborhoods rather than directly offshore.
Likely an Aftershock From Saturday’s Quake
The magnitude 2.4 event is described as a likely aftershock following Saturday’s magnitude 3.0 earthquake. Aftershocks are common after even moderate quakes and can continue for several days as the fault system adjusts.
At magnitude 2.4, the quake would generally be considered minor, though it can still be felt by residents close to the epicenter, especially indoors during quiet evening hours.
What This Means
Earthquakes of this size typically:
- Cause little to no structural damage
- Are felt as a brief jolt or rumble
- May be more noticeable in multi-story buildings
The Charleston region is one of the more seismically active areas in the eastern United States, historically known for earthquake activity.
Should Illinois Residents Be Concerned?
There is no indication of impact to Illinois or the Midwest from this event. The quake was localized to coastal South Carolina.
However, seismic activity in the eastern U.S. often draws broader attention due to how widely shaking can sometimes travel compared to western states.
For now, this appears to be a routine aftershock event related to Saturday’s quake. Stay with NapervilleLocal.com for continued updates on regional and national developments as they happen.

I’ve lived in Naperville long enough to see how quickly our community changes — from new developments downtown to sudden shifts in our Midwest weather. Reporting on Naperville news and daily forecasts gives me the chance to keep neighbors informed about what really matters. My goal is simple: deliver clear, timely updates so you always know what’s happening in our city and what to expect from the skies above.