The quake hit at about 5:01 a.m. and was measured at a depth of about 2.2 miles.
No injuries have been reported.
According to the U.S. Geological Survey, people typically report feeling earthquakes larger than about magnitude 2.5.
Click here for the latest stories and videos about earthquakes here in the Bay Area and around the world, and click here for more information on disaster preparedness.
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