A map provided by the U.S. Weather Service shows the epicenter of the earthquake that struck the interior West on Tuesday, March 31.
An earthquake that could be felt throughout the western interior of the United States hit just before 6 p.m. Tuesday.
The U.S. Geological Survey said preliminary information indicated the earthquake measured 6.5 on the moment magnitude scale, which measures the size of the quake in terms of how much energy is released. The quake was centered 45 miles west of Challis, Idaho, and was about six miles deep, according to preliminary information from Geological Survey.
The agency reported a second quake measuring 4.6 hit at about 6:30 p.m. in the same area and two more soon followed.
“This earthquake . . .