After another small earthquake near Summerville, experts reiterated that five such rumblings in a month do not signal bigger things to come.
Monday's latest temblor was measured at a magnitude of 1.5 and centered on the southern end of Ladson Road, just south of Dorchester Road, according to the U.S. Geological Survey.
That residents even know about the quake could be attributed to closer monitoring and better reporting of seismic activity, said Erin Beutel, the S.C. Earthquake Education and Preparedness Program director at the College of Charleston.
There were no widespread reports that residents felt anything Monday. The quake was measured in bedrock near the Ashley River at a depth of about 4 miles.
"It does not indicate that we are at a greater risk," Beutel said. "It simply reminds us that the faults are active."
The four others measured recently were a magnitude 2.6 on Wednesday, a 1.4 on Jan. 1, a 2.6 on Dec. 21 and a 2.2 on Dec. 7.
Beutel equated a stronger quake in modern-day Charleston to the magnitude 6.3 that killed 180 people in Christchurch, New Zealand, in February.
Similar to Christchurch, the Charleston area is low-lying and water-laden. During a quake, the saturated, sandy soil would destabilize, and shaking would be exacerbated in a process known as liquefaction.
"A lot of the bridges would be impassable, and people could be isolated for a week," Beutel said. "It could be a large disruption of life.
"But these small ones -- 2 or 2.5 -- happen all the time."