So, it's not bad enough that we have the San Andreas, Hayward, and Calveras Creek faults all within a 20 mile radius of one another. We also have to worry about the "little" faults in the area that occassionally decide to shift.
And one did last night. 4.2 magnitude, but it felt much worse, perhaps because it lasted for more than just a couple seconds. This is the second earthquake I've felt in the past week (there was also one on the Hayward fault last week, a 3.5). I felt one of the little tiny aftershocks of this one, too.
For some reason, this one freaked me out. I think because it lasted long enough for me to try to think about what I should do to protect myself. I had a total adrenaline rush.
I told the Hayward fault, after it happened and before I realized it wasn't to blame, that it really didn't need to do that. I don't suppose that admonishing geologic processes is very helpful.
On a funnier note, go over to Smart Bitches and watch the "What What" video!