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

While California’s 750-mile-long San Andreas Fault is notorious, experts believe a smaller fault line posesses a greater ...

This highly detailed overhead view of Carrizo Plain stream channels measured the offset features linked to large earthquakes in this section of the southern San Andreas Fault. This virtual ...

In Southern California, the infamous San Andreas Fault has a major earthquake every ... seismic event within the next 20-30 years. This map shows locations of earthquakes of magnitude 2.5 or ...

As seismologists review available data, they often revise the earthquake's reported magnitude and update shake-severity maps ... both occurred along the San Andreas fault, said Robert Skoumal ...