The San Andreas Fault line, which stretches some 800 miles across California, marks the boundary between the Pacific and ...

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Multiple tremors were recorded by the USGS over the past week, including one which struck as the Oscars ceremony was underway.

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At around 6:01 a.m., a 3.5-magnitude earthquake shook the ground near Parkfield at a depth of around 8.6 kilometers, according to the U.S. Geological Survey. The quake’s epicenter was around 17 ...

A section of the San Andreas fault where earthquakes occur regularly may give off a distinct signal before it trembles to life, new research finds. The signal hints at the opening and closing of ...