New scientific research findings are causing great concern in CA.  See Study shakes up scientists’ view of San Andreas earthquake risk, L.A. Times, August 21.

Researchers find major quakes on the southern section, on average, every 88 years — three times as often as previously thought. It’s the strongest evidence yet that we’re overdue for a massive quake.

The full article was published in Geology, but only the abstract can be viewed at no charge.

For those of us not familiar with CA geography, some useful description information about the 810 mile fault can be found on Wikipedia.