I was sitting in a KFC in Anaheim near my workplace and the building started to shake, rattle & roll. You could tell the first-timers, they held out their arms and turned in circles while looking up for some reason, and then dashed outside with most of the workers while I sat calmly finishing my chicken strips believing the worst was over after only a few seconds.
I'm a native Californian living here most of my 67+ years, all except for 21 years served in the Navy.
My home in Westminster suffered only a couple of unimportant items falling off shelves and getting broken. But, one of the engineers at work lives in Diamond Bar and he got a call from his daughter telling him the inside of their house was a disaster, so he took off to check it out.