California has recently experienced a series of earthquakes in a short span of time, raising concerns about the state's seismic activity. In less than 12 hours, residents and seismologists alike have ...

San Francisco County is the most earthquake ... with the strongest being a magnitude 4.9. But the most damaging earthquake in Ukiah history was a magnitude 7.9 that struck the San Andreas fault ...

A 2.8-magnitude earthquake shook the San Francisco Bay Area in California, the U.S. Geological Survey reported. The 4-mile ...

SAN FRANCISCO – An earthquake shook parts of the San Francisco Bay Area on Tuesday evening. According to the U.S. Geological ...

USGS data showed shaking was felt as far west as San Francisco and as far south as San Jose. The earthquake struck at a depth of about 6.4 miles, according to the geological survey. A second ...

USGS data showed shaking was felt as far west as San Francisco and as far south as San Jose. The earthquake struck at a depth of about 6.4 miles, according to the geological survey. A second ...