SF Gate website (I have it bookmarked. Kind of a news geek, I am) says 4.0, centered near Danville. Are you near there?
Ugh. We get them here, although not nearly as much. My cats usually react much quicker and smarter than I do.
Hope your heart rate's slowing back down now...
"My predominant feeling is one of gratitude. I have loved and been loved;I have been given much and I have given something in return...Above all, I have been a sentient being, a thinking animal, on this beautiful planet, and that in itself has been an enormous privilege and an adventure." O. Sacks