USGS reclassifies 2.3 magnitude Georgia earthquake as quarry blast

What was first reported as a small earthquake in Gwinnett County turned out to be something else. The U.S. Geological Survey later reclassified Wednesday morning's shaking as a quarry blast.The USGS now says the magnitude 2.3 event, detected around 11 a.m., originated from a quarry blast about 3 kilometers (roughly 2 miles) north of Lilburn. The reported location is near the Vulcan Materials quarry.The agency initially identified the event as a magnitude 2.3 earthquake but updated its assessment