The largest of the 19 earthquakes measured by the U.S. Geological Survey was a magnitude 4.2 shaker that was centered about ...
Over the last few days, the Coachella Valley has experienced more than 20 earthquakes, causing concern among some residents.
A swarm of a half-dozen earthquakes reaching up to magnitude 2.9 rattled San Ramon in California near San Francisco, the U.S. Geological Survey reports. The other quakes in Saturday's swarm ranged ...