From the "always a silver lining" department:
The devastation of Katrina (and the abysmal response of state, local, and national authorites to that disaster) seems to have awakened L.A. citizens and authorities to the undeniable fact that we have our own, completely foreseeable cataclysm
waiting in the wings, and that we better get to planning
for our day of reckoning.For a QuickTime movie of a simulated rupture on the Puente Hills fault, click here. This clip visualizes ground velocity in the aftermath of a 7.o direct hit on the fault.
The shaking lasts for 70 very long seconds.