(SAN JUAN, Puerto Rico) -- A 6.4-magnitude earthquake struck off the northern coast of Puerto Rico early Monday morning, according to the U.S. Geological Survey.
The quake hit 61 miles northwest of San Juan at 12:01 a.m. local time. It was 17.4 miles deep.
While minor damage and some shaking was reported, no one was injured.
A tsunami warning was not issued following the tremor.
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