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.

What would happen if the San Andreas fault cracked?

If a large earthquake ruptures the San Andreas fault, the death toll could approach 2,000, and the shaking could lead to damage in every city in Southern California — from Palm Springs to San Luis Obispo, seismologist Lucy Jones has said.

Is it possible for California to fall into the ocean?

No, California is not going to fall into the ocean. California is firmly planted on the top of the earth's crust in a location where it spans two tectonic plates. ... There is nowhere for California to fall, however, Los Angeles and San Francisco will one day be adjacent to one another!