This is the fourth eartquake to hit California with others felt across the region including shaking in San Bernardino, ...

Twin earthquakes shocked California today, just four miles from San Bernardino, registering at about 3.5 on the Richter scale ...

That two inches -- the average distance the San Andreas fault moves each year -- has the ... "Our new model of the Hayward and Calaveras faults argues that they should be treated as a single ...

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This sudden jerk creates an earthquake. The San Andreas Fault is undoubtedly the most famous transform boundary in the world. To the west of the fault is the Pacific plate, which is moving northwest.

The USGS says it was about three miles from the San Francisco Zoo near the San Andreas Fault and the depth of the quake was five miles. There were no immediate reports of damage or injuries ...