University of Utah Seismograph Stations
Released: September 02, 2017 8:00 PM MDT
The University of Utah Seismograph Stations reports that a moderate
earthquake of magnitude 5.3 occurred at 05:57 PM on September 02, 2017
(MDT), as computed by the USGS. The epicenter of the shock was located
11 mi E of Soda Springs, ID. This event was preceded by a magnitude 4.3
foreshock and followed by numerous aftershocks, including seven with
magnitudes between 3.2 and 4.1 (all USGS magnitudes).
The 5.3 mainshock was reported felt in Idaho, Wyoming, and also across
northern Utah in the cities of Logan, Bringham City, Ogden, Salt Lake City,
Draper, and Provo.
Since 1962, a total of 87 earthquakes of magnitude 3.0 or greater have
occurred within 16 mi of the epicenter of today’s magnitude 5.3 event.
The largest of these events was a magnitude 4.7 on October 13, 1982,
9 mi NNW of Georgetown, ID.
Earthquake Summary (USGS parameters):
Date (UTC): September 02, 2017 Time (UTC): 23:57
Date (local): September 02, 2017 Time (local): 05:57 PM MDT
Latitude: 42 37.44′ N
Longitude: 111 23.46′ W
Preferred magnitude: 5.3 Mw