A 3.7 aftershock in San Jose just shook the ground of Silicon Valley. According to our own Spencer Williams, it happened a little before 4 p.m. and It "only lasted a couple of seconds." So there you have it. ...

9:30 Update: Things seem to be settling down. We're going to move the bulk of this post behind a jump. The only really big news at the moment is that there's a 30% chance of a strong aftershock in the next week, and a 5 to 10% chance of another strong earthquake. If you were lucky enough to feel The Great San Francisco San Jose Alum Rock 5.6 Back-and-Forthing of 2007, please continue to......