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Earthquake-Like Sonic Booms Felt On Parts Of East Coast

Did you feel the ground shake? Hear a loud noise? Reports of tremors shook the East Coast Thursday afternoon.

The U.S. Geological Survey recorded the sonic boom Thursday afternoon in southern New Jersey, over 100 miles from Coastal Connecticut.

The U.S. Geological Survey recorded the sonic boom Thursday afternoon in southern New Jersey, over 100 miles from Coastal Connecticut.

Photo Credit: U.S. Geological Survey

Poll
Did you feel a tremor or hear a sonic boom?
Final Results Voting Closed

Did you feel a tremor or hear a sonic boom?

  • yes
    19%
  • no
    73%
  • not sure
    5%
  • don't know what a sonic boom is
    2%

The U.S. Geological Survey, which assesses earthquakes, says there was no earthquake in the area. But it said via Twitter the shaking was caused by a sonic boom in Hammonton, N.J., at 1:24 p.m. Thursday. A sonic boom is caused by an object breaking the speed of sound. 

"Not an earthquake but a sonic boom in New Jersey," USGS said via Twitter.

The USGS also said, "since many have asked: A sonic boom travels through the air with the airplane so it arrives at different ground locations at different times."

Hammonton is about 35 miles south of Trenton, N.J.

The weather folks at SWCT/NY Weather Info said via Twitter ‏@SWCTweather that there were, "A few reports out there of some weak ground shaking, but no reports of earthquakes or seismic activity. Anyone feel anything?"

The USGS says there was no earthquake. 

Posts at the USGS Facebook page reported also "tremors" across New Jersey, in the Philadelphia area and across Long Island, N.Y.

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