Here's a map that shows recent seismic activity in both CA & NV:

http://earthquake.usgs.gov/earthquakes/recenteqscanv/

(Any more, it takes a 5+ to wake me up when I'm sleeping.
In comparison, the 2012 Washington, DC quake was a 5.8
and the ensuing "the sky is falling" shocked panic was hilarious.)

Scott & I live about 5 miles from each other, are native Californians, and quite accustomed to the ground rumbles. crazy