A series of earthquakes struck near San Ramon on Sunday morning, according to the United States Geological Survey. The USGS reports the first one, a 2.6 magnitude earthquake, hit just before 5:20 a.m. and was centered at about 2.6 miles east of San Ramon. The second one, a 2.4 magnitude earthq uake, was reported at around 7:15 a.m. and was centered at about 3 miles from San Ramon, according to the Southern California Earthquake Data Center. The USGS said the third one, a 2.8 magnitude earthquake, was reported just before noon and was centered at about 2.9 miles southeast of San Ramon. Further information was not immediately available. This is a developing story. Details may change as more information becomes available. Stay tuned for updates. BAY AREA QUAKE CENTRAL You can take steps to plan and prepare for the next big one. Access our Bay Area Quake Tracker, the latest earthquake stories, extensive quake prep checklists, videos and many other disaster preparedness resources all in one place: NBCBAYAREA.COM/QUAKES ...read more read less