California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...
The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.
Five minor earthquakes shook California on Thursday, including two rumbles just minutes apart in the San Francisco Bay area, ...
The U.S. Geological Survey reported two earthquakes with preliminary magnitudes of 3.5 and 3.0 ​hit near the San Bernardino ...
A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.