The last significant quake swarm in the San Ramon area, in 2015, lasted 36 days and produced 654 tiny earthquakes, the ...
A 3.2-magnitude earthquake struck in the East Bay Thursday morning, according to the U.S. Geological Survey. The epicenter ...
Earthquakes are measured using the Richter scale, which quantifies the energy released during seismic events. Magnitudes can range from minor (below 3.0) to major (7.0 and above). The recent quakes in ...