Seismologists discovered that the San Andreas Fault near Parkfield in central California consistently produces a magnitude 6.0 earthquake approximately once every 22 years.

Is San Andreas Fault an earthquake zone?

Large earthquakes will occur along the San Andreas fault system—the major geologic boundary between the North American and Pacific tectonic plates—which passes through much of the State of California. ... This zone is capable of generating an earthquake of a magnitude 9 or larger, occurring—on average—once every 500 years.

Is the San Andreas Fault going to erupt?

Narrator: On average, the San Andreas Fault ruptures every 150 years. The southern parts of the fault have remained inactive for over 200 years. ... According to a 2008 federal report, the most likely scenario is a 7.8 magnitude quake that would rupture a 200-mile stretch along the southernmost part of the fault.