Are Bay Area buildings ready for a big quake?

October 15, 2009 12:00:00 AM PDT
October 17 is the 20th anniversary of the devastating Loma Prieta earthquake. It was centered in the Santa Cruz Mountains, but caused damage all over the Bay Area. The shaking was a wakeup call that many of our buildings were not strong enough to withstand even a moderate earthquake. Two decades later, are we better off?