SAN RAMON — A cluster of earthquakes struck the San Ramon area Friday night, continuing a pattern of seismic activity in recent weeks, according to the U.S. Geological Survey.
Things kicked off at 7:41 p.m. with a magnitude 2.5 centered 3.1 miles southeast of the city.
It was followed by a pair of quakes at 7:49 p.m. – a magnitude 2.9 and a magnitude 3.8. The earthquakes were centered 3.1 miles and 2.4 miles, respectively, southeast of the city.
The biggest of the bunch – a magnitude 4.0 – hit at 7:56 p.m. 3.1 miles southeast of the city.
The earthquake swarm continued with a magnitude 3.1 at 7:57 p.m. and a magnitude 2.9 at 8:10 p.m. – the temblors were centered about 2.4 miles southeast of the city.
There were no immediate reports of injuries of damage, but BART ran trains at reduced speeds until it completed safety inspections, resulting in a 20-minute delay.
Regular train service resumed just before 8:45 p.m., according to the transit agency.
Check back for updates.
Jason Green
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