The largest of the 19 earthquakes measured by the U.S. Geological Survey was a magnitude 4.2 shaker that was centered about 2½ miles southeast of downtown San Ramon. Quakes of 3.8, 3.3, 3.1 and 3.0 also were among the 19. The rest of the earthquakes all measured below a magnitude 3.0.

According to the U.S. Geological Survey, a 4.3 magnitude quake hit close to San Ramon Monday morning.

A series of earthquakes rocked a Bay Area city on Feb. 2. Did you feel it? San Ramon was hit by a cluster of quakes starting with a magnitude 3.8 earthquake about 2.4 miles southeast of the city, according to the U.

A moderate earthquake hit the Bay Area in California on Monday morning, at the start of Super Bowl 60 week.

According to the data, the Bay Area experienced a swarm of 14 earthquakes early Monday morning.