Salt Lake City, UT – A magnitude 4.1 earthquake struck northeast Utah late Wednesday, sending tremors across parts of Wyoming and Colorado.
According to the University of Utah Seismograph Stations, the quake was recorded at 5:57 p.m. local time Wednesday, Sept. 10, about 10 kilometers west of Maeser, Utah. The earthquake originated at a depth of 68 kilometers, making it less likely to cause major surface damage.
Reports submitted to the U.S. Geological Survey (USGS) indicate the shaking was felt not only in Uintah County, but also across state lines into western Colorado and southern Wyoming. Some residents described light vibrations near Vernal and Rangely, Colorado, while others noted tremors north of the Uintah and Ouray Reservation and just west of Dinosaur National Monument.
USGS assigned the event a “green” alert level, meaning no significant damage or casualties are expected. Early forecasts suggest a 4% chance of an aftershock of magnitude 4 or greater in the coming week.
While earthquakes of this size are not uncommon in Utah, seismologists emphasize that the region is seismically active due to its complex fault systems. “Even small to moderate earthquakes remind us that Utah and surrounding areas are earthquake country,” officials noted.
Residents are encouraged to share their experiences with the USGS “Did You Feel It?” survey to help improve earthquake response and monitoring across the region.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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