A 4.3 magnitude earthquake struck the Berkeley area early Monday morning, according to the United States Geological Survey .
The quake, which hit at approximately 2:56 a.m., was centered two miles from Berkeley and occurred on the Hayward fault.
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No injuries or damage were immediately reported.
The quake was downgraded to 4.3 from a preliminary 4.6. A 2.6 magnitude aftershock was recorded at 8:05 a.m., the USGS said. Angie Lux, a scientist with the Berkeley Seismological Laboratory, discusses Monday morning's 4.3 magnitude earthquake centered near Berkeley.
BART has issued the following guidance via their website: "Trains are running at reduced speeds while we complete safety track inspections. Please expect r