SOUTH PORTLAND (WGME) – If you felt a little shakin going in the South Portland area late Friday Night it may have been more than just your neighbors having fun or a large truck passing by.  The U.S Geological Survey reported a 2.1 magnitude earthquake occurred just after midnight Saturday morning.  The epicenter of the quake was about about 2 miles southeast of the city and 8 miles deep.  More than 70 people reported the earthquake.