USGS

The epicenter of the quake was approximately 20 miles northeast of Three Forks.

An earthquake was reported near West Yellowstone late Sunday morning. According to USGS, an earthquake that measured a very mild 2.6 was reported near the west entrance of Yellowstone National Park, near the town of West Yellowstone. Earthquakes are a common occurrence throughout Yellowstone, but most aren't large enough to be felt...