From the USGS:
This evening (at about 6 PM MST on January 28) there was a M3.9 near Norris Geyser Basin in Yellowstone National Park. The earthquake is typical of the Yellowstone region and not a sign of any significant unrest, and it was reported felt by a few people in the Yellowstone region.
Did you feel it? If so, please report your observations at https://earthquake.usgs.gov/…/eventpage/uu80100206/tellus!
