East Coast residents were jolted Friday by a 4.8-magnitude earthquake centered near Lebanon, New Jersey, with weak rumblings felt as far away as Baltimore.
There have been several aftershocks in the hours following the New Jersey earthquake Friday morning, according to United States Geological Survey data.
Since 1950 there have been about 20 East Coast quakes with a magnitude above 4.5, according to the United States Geological Survey. That's compared with over 1,000 on the West Coast.