"It looks like the epicenters are moving toward SF. This is not good.
"
Not really. It's not uncommon for aftershocks to creep up or down the fault. This is pretty normal for the area, as that section of the fault relieves stresses. It's a long way from there to San Francisco.
What get me about SF is their lack of fore thought.
If you took a aerial picture of the city and marked all the hospitals with a red dot, then connected those dots you would get ....
The San Andreas fault line through SF.