A few years back I had the opportunity to attend a briefing for transportation official on the subject. EVERY rail, natgas, WATER, road, railroad, telecomn, electric transmission line that crosses the fault will be severed.
Add to that: Take the worst damage that occurred Friday — and then picture it happening to every structure in Los Angeles, Orange, Vntrua, San Bernadino and Riverside counties.
That is what the Big One will bring. It will be very much like this: http://www.youtube.com/watch?v=xioHswbahPc