Two small earthquakes were recorded in Greenwood County, South Carolina, in a short span near the Coronaca area, according to USGS data. The more recent tremor was magnitude 1.7 and struck about 3.1 miles southeast of Coronaca at 3:08 a.m. Tuesday. Earlier, around 11:30 p.m. Monday, a magnitude 2.2 quake occurred about 2.4 miles north-northwest of Coronaca.
There are no further details on damage or injuries in the initial reports. The region remains under monitoring as seismic activity can occur in clusters in the same area.
Context and outlook: Quakes of this size are common in this part of South Carolina and typically cause little to no damage. Residents who feel shaking are advised to stay safe indoors during tremors and to follow local emergency management updates for any new information. Ongoing seismic monitoring helps scientists understand patterns in Greenwood County and improves preparedness for future events.
Summary: Greenwood County near Coronaca experienced two quakes in short succession this week—the latest a magnitude 1.7 quake early Tuesday, following a magnitude 2.2 quake late Monday—highlighting normal but important geographic seismic activity and ongoing monitoring.
Positive note: While unsettling, these small quakes are a reminder that scientists are actively monitoring the region, contributing to safer communities through data-driven preparedness.