The U.S. Geological Survey said the tremor, with a magnitude of 3.0, happened at 7:22 a.m.
The epicenter was about 33 miles southeast of Southampton.
Newsday says Suffolk County and Southampton police received no calls reporting the quake.
The quake, with a depth of 4.4 miles, was felt as far away as Delaware and Albany.
(The Associated Press contributed to this report.)
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