It hasn’t been felt very much in San Francisco, but the earthquake swarm that has been rocking San Ramon for the past three months had its most active day on Monday, with a barrage of 75 small and mid-size earthquakes. And residents in the area are pretty on edge.
Monday’s earthquake swarm centered near the East Bay city of San Ramon was not the first to hit the area in recent weeks and months, but it was probably the most sustained, after a few other earthquakes hit there on Friday.
SFist initially reported on the series of earthquakes around 8 am, at which point 17 earthquakes had struck with magnitudes measuring between 2.0 and 4.2. The swarm continued throughout the day, with some of the quakes around 1.0M being less noticeable, ultimately totaling 75…