The epicenter was at a location in southeastern Idaho about 17 miles east and slightly south of Soda Springs.
Several aftershocks measuring from 3.1 to 4.1 magnitude have been recorded following the initial quake.
There were no immediate reports of damage or injuries.
The strongest natural disaster to hit Southeast Idaho in years as well as seven smaller quakes occurred early Saturday evening in Caribou County.
The eight earthquakes occurred starting shortly before 6 p.m. Saturday and the most powerful registered as 5.3 on the Richter scale – strong enough to damage buildings. The USGS said a handful of smaller quakes followed for about an hour.
Within the past year, there has been a reported 301 earthquakes in the state, which range in magnitude, according to Earthquake Track.
Idaho is relatively close to Yellowstone National Park, around 165 miles away, and the park has a supervolcano underneath it, reported RT News.