The shaking started early this morning for residents of Duchesne, Utah as a rare M4.1 earthquake struck at 7:01 a.m. on May 25, 2016.
The first tremor was followed by a smaller M3.0 quake that hit the exact same area at 9:24 a.m.
Information about the quakes:
Earthquakes are rare in the Uinta Mountains east of the Intermountain seismic belt and are generally small.
Duchesne, UT has a moderate earthquake risk, with a total of 10 earthquakes since 1931. Only seven earthquakes of magnitude 3.0 or greater have occurred within 16 miles of the epicenter of this event since 1962. The largest earthquake within 30 miles of Duchesne, UT was a 5.0 Magnitude in 1977.
Ground shaking was not expected to be strong.