Earthquakes strike San Ramon, Bay Area in under 2 hours: USGS

Data from the USGS shows the seismic events have ranged in strength from 2.5 up to 4.2 in magnitude.

Cluster of earthquakes, the largest a magnitude 4.2, shakes Bay Area, USGS reports

A swarm of earthquakes shook the Bay Area on Monday, according to data from the U.S. Geological Survey.
NBC New York

4.3 magnitude earthquake shakes San Francisco Bay Area

A 4.3 magnitude earthquake struck the Berkeley, California, area early Monday morning, according to the United States Geological Survey. The quake, which hit at 2:56 a.m., was centered two miles from ...