M 3.2 near Brigham City, UT

PRESS RELEASE

University of Utah Seismograph Stations

Released: February 16, 2023 8:30 AM MST

The University of Utah Seismograph Stations reports that a minor earthquake of magnitude 3.2 occurred at 2:07 AM on February 16, 2023 (MST).  The epicenter of the shock was located about 8 mi W of Brigham City, UT. This event was locally reported felt by 39 people as of 8:00 AM.

This event is part of an ongoing sequence of earthquakes with 12 in the last week and 35 since the start of 2023. Five other events were reported locally felt (https://quake.utah.edu/press). Seventy-nine earthquakes have occurred in this area since the Nov. 12, 2022 M3.6 event.


A total of 11 earthquakes of magnitude 3.0 or greater have occurred within 16 mi of the epicenter of this event since 1962.  The largest of these events was a magnitude 3.9 on September 01, 2007, 9.1 mi SW of Tremonton, UT.  One earthquake of magnitude 4.5 or greater has occurred within 32 mi of the epicenter of this event since 1962. This was a magnitude 4.5 on July 05, 1989, 11.4 mi WSW of Tremonton, UT.

Anyone who felt the earthquake is encouraged to fill out a survey form on the US Geological Survey website: earthquake.usgs.gov.

Putting Down Roots in Earthquake Country 2nd Edition

The Utah Seismic Safety Commission publication Putting Down Roots in Earthquake Country—Your Handbook for Earthquakes in Utah 2nd Edition gives information on earthquake hazards and preparedness, and is available here.

Putting Down Roots in Earthquake Country 2nd Edition

Download a PDF copy.
Pick up a free copy from the Natural Resources Map & Bookstore.
Pick up a free copy from the Utah Division of Emergency Management (1110 State Office Building, Salt Lake City).
Pick up a free copy from your city or county emergency manager (for more information see the government section of your local telephone book).