Small earthquake recorded in Midlands of SC A more precise location for the epicenter of the quake would be about 2.5 miles east northeast of Dalzell, USGS said. (Source: USGS) By Laurel Mallory | January 18, 2021 at 11:52 AM EST - Updated January 18 at 12:23 PM DALZELL, S.C. (WIS) - A small earthquake was picked up by a seismograph in the Midlands of South Carolina on Monday morning. The magnitude 2.1 earthquake happened just before 6 a.m. outside of Dalzell in Sumter County, according to the