Reports of an earthquake in Ocean county and across south NJ

Updated:  The U.S. Geological Survey confirms that today's rumblings were not from an earthquake, but from a sonic boom..
 The USGS is investigating click HERE
According to the United States Geological Survey, there were no tremors registered today in New Jersey or throughout the region. Ground rattles are also common during training exercises at the Joint Base in Ocean County, but there was no scheduled activity there today. As of 2:00 p.m., it is not known what triggered today's incident. 

Reports on social media of houses shaking in Ocean county and south Jersey as a possible earthquake may have taken place. Some in Lakewood claim they felt it too. Others near Atlantic county felt the ground shaking but there are no official news reports about it. Residents report at least two ground shaking sensations around South Jersey.