Friday, Feb. 13’s M3.5 and its 13 aftershocks overlap with the aftershock region of the 2020 M5.7 Magna earthquake and it is likely an aftershock of the 2020 event. Seismicity in the Magna area is still elevated relative to pre-2020 levels, indicating that aftershocks are still continuing. Aftershocks can have their own aftershocks, and it […]
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: June 21, 2023 12:48 PM MDT The University of Utah Seismograph Stations reports that an earthquake of magnitude 2.5 occurred at 11:50 AM on June 21, 2023 (MDT), 2.5 mi NE of Magna, UT. The shock was reported felt by 57 people. This earthquake is an aftershock […]
Read MorePRESS RELEASE University of Utah Seismograph Stations Released: November 18, 2020 05:00 PM MST The University of Utah Seismograph Stations reports that a small earthquake of magnitude 2.5 occurred this afternoon at 3:17 PM, November 18, 2020 (MST). The shock was located 6.2 miles beneath the northwestern part of the Salt Lake Valley, 3 mi […]
Read MorePRESS RELEASE University of Utah Seismograph Stations Released: October 10, 2020 07:00 AM MDT The University of Utah Seismograph Stations reports that a small earthquake of magnitude 2.3 occurred at 11:18 PM yesterday evening, October 9, 2020 (MDT). The shock was located 6.6 miles beneath the northwestern part of the Salt Lake Valley, 2.9 mi […]
Read MoreUUSS director Keith Koper gave a presentation about the M5.7 Magna, UT earthquake at the Utah Seismic Safety Commission Quarterly Meeting held May 7, 2020.
Read MoreToday, our director, Keith Koper, sat down to talk about this morning’s M4.2 earthquake. He shares why we consider this an aftershock, why we consider this to be normal, why aftershocks occur, why this event may have felt different than Tuesday’s M4.2
Read MorePRESS RELEASE University of Utah Seismograph Stations Released: April 14, 2020 10:15 PM MDT The University of Utah Seismograph Stations reports that a light earthquake of magnitude 4.2 occurred at 08:56 PM on April 14, 2020 (MDT). The epicenter of the shock was located in the northwestern part of the Salt Lake Valley, 3.3 mi […]
Read MoreUUSS Director Keith Koper sat down on Facebook live to explain how the UUSS responds to earthquake events, like the Magnitude 5.7 earthquake in Magna, UT. He also shared important things to know and simple steps to take to be prepared. View the recording here.
Read MorePress conference from March 18, 2020 regarding the magnitude 5.7 earthquake near Magna, UT:
Read More