Four earthquakes struck the southern portions of the state, including in San Bernardino near Los Angeles ... occurred along the San Andreas Fault. That second quake was an aftershock, CalTech ...

Last week, there were reports that a series of small earthquakes were recorded in California that generated a few news headlines. The state is notorious for earthquake activity. It’s estimated that ...

(Above: Geologist Patrick Abbott, professor emeritus at San Diego State University ... to the California Geological Survey, the Rose Canyon Fault Zone is part of the greater San Andreas Fault ...