Reports of a loud explosion-like sound and possible “sonic boom” sparked panic among residents, with many initially fearing an earthquake.

Residents from New Hampshire down to Rhode Island heard a loud boom, some even reporting their entire house shaking.

Local authorities have not yet confirmed the cause of the sound, and it remains unclear whether it was linked to an industrial incident, military activity or another event.

A mysterious explosion has caused a huge boom across Boston, Massachusetts, leaving locals terrified.