Well, some people are convinced that there is still gold. For some, it's because they want to go to Disneyland because they live near it in Los Angeles. Or maybe to live in San Fransisco. But overall, California is just a peaceful area, or at least out of the sity.
Bonus answer: Most people would have no clue of how to live if we plunged into some pirge and you couldn't get any food from Walmart or Burger King. But some of us can. As for a flood, well, I suppose they would be screwed, but then again, human will to survive may rule supreme and people would live. If we sink into the ocean, well, we may find a way, But as for me, I live near the middle of the state, so we would have time to escape.