PRESS RELEASE University of Utah Seismograph Stations Released: September 10, 2025 06:50 PM MDT The University of Utah Seismograph Stations (UUSS) reports that a light earthquake of magnitude 4.1 occurred at 05:57 PM on September 10, 2025. The epicenter of the shock was located about 8 mi west of Vernal, UT. Since 1981, the UUSS […]
Read MoreThe UUSS website has migrated to a new host. Please be aware that some functionality and URLs may not be the same as the previous website iteration. News posts and publications will only go back to 2020, but all reports are still available.
Read MoreToday is the Great Utah ShakeOut! There’s still time to register to participate at https://www.shakeout.org/utah Don’t forget to Drop, Cover, and Hold On at 10:15 a.m.!
Read MoreFive years ago today, northern Utah was shaken by the M5.7 Magna earthquake. Since then, the University of Utah Seismograph Stations has recorded >2800 aftershocks, 90% of which occurred in the first year following the mainshock. Even though it has been five years, the aftershock sequence is ongoing. In the past 12 months, UUSS has […]
Read MorePRESS RELEASE University of Utah Seismograph Stations Released: August 02, 2024 9:10 AM MDT The University of Utah Seismograph Stations (UUSS) reports that an earthquake of magnitude 2.5 occured at 04:09 AM on August 02, 2024. The epicenter of the shock was located about 3 mi south-east of West Valley City, UT. This event occurred […]
Read MorePRESS RELEASE University of Utah Seismograph Stations Released: July 28, 2024 11:41 PM MDT The University of Utah Seismograph Stations (UUSS) reports that a light earthquake of magnitude 4.5 occurred at 11:29 PM on July 28, 2024. The epicenter of the shock was located about 19 mi southeast of Cedar City, UT. Since 1981, the […]
Read MorePRESS RELEASE University of Utah Seismograph Stations Released: July 23, 2024 10:48 PM MDT The University of Utah Seismograph Stations (UUSS) reports that an earthquake of magnitude 2.9 occurred at 10:33 PM on July 23, 2024. The epicenter of the shock was located about 1.9 mi northeast of the St. George Regional Airport. Since 1981, […]
Read MorePRESS RELEASE University of Utah Seismograph Stations Released: June 1, 2024 12:30 PM MDT The University of Utah Seismograph Stations (UUSS) reports that a minor earthquake of magnitude 3.1 occurred at 11:32 AM on June 1, 2024 MDT. The epicenter of the shock was located about 10 mi southwest of Tremonton, UT. This earthquake is […]
Read MoreAs of this morning, 89 earthquakes have been located in the sequence ~15 mi southwest of Tremonton, UT, with magnitudes ranging 0.8 to 4.4. Four events were M3 or greater, but most of the seismicity is below M2. The magnitude 4.4 event occurred on May 5, at 5:30 PM MDT and was reported to have […]
Read MorePRESS RELEASE University of Utah Seismograph Stations Released: May 05, 2024 05:43 PM MDT The University of Utah Seismograph Stations (UUSS) reports that a light earthquake of magnitude 4.4 occurred at 05:30 PM on May 05, The epicenter of the shock was located about 16 mi southwest of Tremonton, UT. This earthquake follows an M3.9 […]
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