Actually, you don't really see THAT many mudslides unless there has been a fire first - the fire strips the vegetation holding the topsoil in place.
And again, I don't know why anyone would live in the LA or SF areas. I did for 2.5 years (Orange County in SoCal) and hated it - the people (OK, some of them), the traffic, the smog. Combined with the natural hazards there, especially EQ, forget it. I love California, but some places are definitely better to visit and not live. Oh, but you can't expect to wield supreme executive power just because some watery tart threw a sword at you.
Have I lied to you? I mean, in this room? Trust me, leave that thing alone. - GLaDOS
Did IQs just drop sharply while I was away? - Ripley