HAMMONTON, N.J. — Mysterious shaking in New Jersey on Thursday afternoon sent Twitter users into a frenzy over concerns of an earthquake.

Windows shaking violently at work today 3 times with no explanation #tremor #newjersey #nj #earthquake

— Happiknits/Becca (@Happiknits) January 28, 2016

another earthquake in NJ?

— Justin Gonzalez (@j_qonzalez) January 28, 2016

So you mean to tell me that earthquake like tremors was felt in NJ, NY, And CT and it's not real.

— Lilah♉️✈️ (@Lilah425) January 28, 2016

OMG! What was that. My house just shook twice! Is NJ having a earthquake??? WTF!! I thought it was heavy wind. What's going on. #MarlboroNJ

— Greg T (@GregT_KTU) January 28, 2016

However, the U.S. Geological Survey confirmed that the shaking was actually the result of a sonic boom near Hammonton, N.J.

Not an earthquake but a sonic boom in New Jersey: https://t.co/eUr4sB28Wm pic.twitter.com/TQFlkGr633

— USGS (@USGS) January 28, 2016

WABC-TV reports that the sonic boom was caused by a military aircraft from McGuire Air Force Base that broke the sound barrier.

#BREAKING: Shaking felt on #LongIsland & the #JerseyShore was caused by a military aircraft from McGuire AFB that broke the sound barrier.

— ABC7NY NewsDesk (@ABC7NYNewsDesk) January 28, 2016