Aftershock Felt Sunday Afternoon Following Friday's Earthquake - WSPA.com

Aftershock Felt Sunday Afternoon Following Friday's Earthquake

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Vibrations from deep inside the earth could be felt Sunday afternoon following Friday's earthquake. Vibrations from deep inside the earth could be felt Sunday afternoon following Friday's earthquake.
EDGEFIELD, S.C. - Vibrations from deep inside the earth could be felt Sunday afternoon following Friday's earthquake.

According to the U.S. Geological Survey (USGS), the vibrations felt around South Carolina are being contributed to aftershocks, or smaller earthquakes that occur after a previous large earthquake, in the same area of the main shock. The rumbling measured in at M3.2 which was announced from the epicenter, or Edgefield just before 3:30 p.m. on Sunday. 

USGS's website explained that Earthquakes everywhere occur on faults within bedrock, usually miles deep. Most bedrock beneath the inland Carolinas was assembled as continents collided to form a supercontinent about 500-300 million years ago, raising the Appalachian Mountains.

The site went on to indicate that the largest earthquake in the area (magnitude 5.1) occurred in 1916. Moderately damaging earthquakes strike the inland Carolinas every few decades, and smaller earthquakes are felt about once each year or two.

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