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Weston Observatory: New Hampshire “Sonic Boom” Was Actually a Small Earthquake

The small earthquake registered a 1.6 magnitude near Exeter

Exeter_NH_121114_Map
Weston Observatory

Turns out the "sonic boom" heard by many in New Hampshire early Thursday morning was actually a small earthquake, officials at the Weston Observatory said.

Officials at the observatory say the small earthquake, which was 1.6 in magnitude, happened at 2:53 a.m. about 4 miles away from Exeter.

The earthquake was heard in Exeter and Brentwood as a loud explosion, and some in the area felt the ground shaking. 

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