EARTHQUAKE!

Just felt an earthquake. Two "jolts," not particularly violent, but enough to know that it definitely was an earthquake. Will update with more stats as soon as I have a chance to look them up.

ETA: Here it is. Magnitude 4.2; centered about eight miles away from our home:

http://pasadena.wr.usgs.gov/shake/ca/STORE/X40194055/ciim_display.html