The United States Geological Survey reported a magnitude-2.9 earthquake in Blowing Rock just before 4 p.m. Sunday.
The earthquake could be felt in Boone and as far away as Bristol, Tenn., according to earthquake.usgs.gov.
The shaking lasted for a few seconds, but was surprisingly intense for the quake’s magnitude, said Scott Marshall, an assistant professor of geology at Appalachian State University. The depth of the seismic event was only 9.1 km, which Marshall said could have accounted for the abnormal intensity.
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