Country Herald is Local News, Independent Pulse. Covering breaking local news, sports, lifestyle and events.
Columbia, S.C. — South Carolina homeowners in parts of the state face a moderate risk of sinkholes, and experts say early warning signs often appear quietly before noticeable ground failures occur.
According to the U.S. Geological Survey, portions of South Carolina contain limestone and other soluble rock formations that can slowly erode as water moves underground. This type of terrain, known as karst geology, can create underground voids over time, weakening support beneath the surface. Heavy rainfall, prolonged wet periods, and changes in groundwater levels can influence how quickly these processes develop…