updated 2/3/2009 8:21:59 AM ET 2009-02-03T13:21:59

A small earthquake has struck central New Jersey, rattling windows and alarming residents of several communities, authorities said.

Won-Young Kim, a seismologist at the Lamont-Doherty Earth Observatory in Palisades, New York, said a quake with a preliminary magnitude of 3.0 was recorded at 10:34 p.m. Monday, centered in the Morris County communities of Rockaway, Dover and Morris Plains.

There were no immediate reports of damage or injuries. Quakes of magnitude 2.5 to 3 are the smallest that can generally be felt by people.

Police said the quake triggered a flood of emergency calls, with residents reporting a sound like an explosion and houses shaking.

Kim said small earthquakes are not unusual in that area of New Jersey.

More on earthquakes | New Jersey

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