The San Andreas Fault has an infamous reputation, but there are other fault lines lying around California that can trigger a powerful earthquake, especially if they rupture simultaneously, a new report says. A U.S. geologist discovered that the San Andreas and the San Jacinto faults may have ruptured together about 200 years ago in the past, creating a earthquake that was felt from north of Los Angeles to San Diego, based on historical data captured by missionaries in those areas.

The San Andreas Fault, a system that stretches more than 800 miles and is about 10 miles deep, is long overdue for an eruption, one that seismologists predict will be the source of a powerful earthquake along California’s coastal region. The fault is due for an epic tremor every 150 years, the U.S. Geological Survey says. READ MORE