Epicenter of this moderate quake appears to be in Gros Ventre River valley upstream from Jackson Hole-
Earthquake hits Wyoming; landslide reported. Associated Press
Here is more detailed information from USGS.
Update. 4.4 earthquake jiggles valley. By Angus M. Thuermer Jr.. Jackson Hole Daily
Comments
FYI
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/quakes_all.html
I don’t think alot of us realize just how much “shaking” is really goin on!