This is a very interesting article. There is a real question of what to do with facilities that are serving a vital function, but yet will fall down in a breeze! :) The US always has this little problem of letting the inner cities rot, so a lot of the problem is there. Nearly all the inner cities would do badly in an earthquake.
California is in debt up to its eyeballs, so its options are limited. We'll just wait and see, shall we?