LAKE COUNTY, CA - Saturday afternoon, a preliminary 2.3 magnitude quake was detected near Cobb, according to the U.S.

An earthquake of magnitude 2.9 shook the East Bay on Saturday afternoon, according to the United States Geological Survey.

VENTURA COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.7 magnitude quake shook near Ojai on Saturday ...

The discovery of 86,276 previously undetected earthquakes beneath Yellowstone has reignited public anxiety about the park’s ...