Could recent Southern Calif. earthquake patterns offer scientists critical clues?

SAN DIEGO COUNTY – Following the earthquake that was centered near Borrego Springs on July 7, scientists at QuakeFinder – a humanitarian organization conducting research into pre-earthquake electromagnetic signals with the aim of developing an early warning system – immediately analyzed the data collected from their sensors.

While more data is being retrieved from the magnetometer’s hard drive for further analysis, there appears to be some prior magnetic pulse activity present before the magnitude 5.4 event.

The Borrego Springs area is located on the San Jacinto fault and had...