BERKELEY, California -- The United States Geological Survey reports a 4.4 earthquake hit about three miles southeast of Emeryville at about 2:40 a.m.and the shaking was felt across the Bay Area.
The quake, that was centered on the Hayward Fault, was initially reported a higher magnitude but later downgraded.
RELATED: Bay Area earthquake tracker
BART officials say there are no initial reports of damage to the system, but out of an "abundance of caution" the very first trains will be running at a very reduced speed for inspections. Riders on those first trains will experience 20 minute delays.