Knoxville and Dayton in just the last 30 days. Since Dec. 13, there have been at least 14 quakes in the southern Appalachian Mountains, according to USGS geophysicist Paul Caruso. Earthquakes ...

The 4.8-magnitude earthquake on the East Coast Friday came from ancient dormant faults. The faults formed when two continents collided about 500 million years ago, creating the Appalachians and ...