For some reason I have become very in tune to these things. I was working in the bedroom, and I felt the bed shake a bit, heard the "cracking in the wall" sound - and the floor lamp was definitely moving. Earthquake!
![Usc000evax_ciim Usc000evax_ciim](/images/6a00d8341fe88753ef017d406fbb6c970c.jpg)
Not sure how bad it was further north where it was centered.