A few folks have asked about this. Unfortunately, I can not get to a position to take better shots. (I REALLY need that press credential.) You can get the whole story – and better pictures – on sfgate.
I am amazed at the amount of damage one carefully placed tanker full of gasoline can cause to an overbuilt earthquake-resistant concrete and steel structure. The already nasty commute will now be even worse for Bay Area commuters for months to come.