Ya never know, I get the impression that the SD area hasn’t been studied quite as thoroughly as other populated areas of California and “they” are always finding new earthquake faults.
I’ve been stockpiling emergency supplies ever since the ’70s, when us neighborhood kids decided we were going to survive a nuclear war no matter what our parents said. I still keep a stash of bottled water and Chef Boy-Ar-Dee (needs no preparation nor can opener, and it’s so nasty I’m not tempted to eat it in a non-emergency).
I can only hope that in the event of a major disaster, individual Californians prove to be as resourceful and resilient as Haitians.