A 4.4 earthquake occurred early Wednesday and could be felt across the Upstate.
The epicenter was near Decatur, Tennessee, according to the U.S. Geological Survey. The quake occurred at 4:15 a.m.
A magnitude 3.3 aftershock struck 13 minutes later.
Greenwood residents have reported minor shaking at businesses and homes.
There are no reports of damage in the Upstate.