The U.S. Geological Survey are reporting that a 2.1 magnitude quake occurred just before 7 a.m. in Milford
According to officials, the earthquake happened in the same area where a smaller quake had occurred in August.
Officials said parts of northwestern New Jersey and eastern Pennsylvania were affected, but no damage or injuries were reported.
Thursday's earthquake was felt throughout most of Hunterdon County in New Jersey and parts of Bucks and Northampton counties in Pennsylvania, according to officials.