A series of earthquakes, including a 4.0 magnitude quake, rattled the area near San Ramon Friday, according to the United States Geological Survey.
The first 2.5 magnitude quake was reported around 7:45 p.m., and was centered south of San Ramon, according to the USGS.
The second one, a 2.9 magnitude earthquake, was reported just before 8 p.m. and was centered near San Ramon, as well. It was followed by a 3.6 magnitude quake, a fourth 4.0 magnitude earthquake, a fifth 3.1 magnitude earthquake and a 2.9 magnitude quake.
At around 10:45 p.m., the USGS downgraded the 2.9 magnitude earthquake to 2.3 magnitude.
BART officials said they concluded safety track inspection and normal train service was resumed, but warned there might be delays of up to 20 minutes systemwide.
This is a developing story. Details may change as more information becomes available. Stay tuned for updates.
BAY AREA QUAKE CENTRAL
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