M 2.3, widely felt near Magna, UT

PRESS 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 E of Magna, UT.  This earthquake was an aftershock of the magnitude 5.7 earthquake that occurred in the same area on March 18.  Today’s aftershock was felt by hundreds of residents of the Salt Lake Valley. To date, the University of Utah Seismograph Stations has located 2,498 aftershocks from the March 18 earthquake, including 115 of magnitude 2.3 or larger and 40 of magnitude 3.0 and larger. In recent weeks there has been, on the average, approximately one aftershock per day large enough to locate, most of them smaller than magnitude 2.0.  Aftershock activity is expected to continue for months, but with the rate continuing to decrease with time.

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

Earthquake Summary:

Date (UTC):   October 10, 2020       Time (UTC):   05:18

Date (local): October 09, 2020       Time (local): 11:18 PM MDT

Latitude:     40 42.71′ N

Longitude:    112 3.24′ W

Preferred magnitude: 2.3 Ml

M 4.4 Earthquake Near Circleville, Utah

PRESS RELEASE

University of Utah Seismograph Stations

Released: October 03, 2020 06:45 AM MDT

The University of Utah Seismograph Stations reports that a light earthquake of magnitude 4.4 occurred at 05:47 AM on October 03, 2020 (MDT). The epicenter of the shock was located in the Tushar Mountains in south-central Utah, 10 mi southwest of the town of Circleville, UT, and 45 miles northeast of Cedar City, UT. This earthquake was reported felt in Cedar City and in many towns in southwestern Utah, including Panguitch and Bryce Canyon. Today’s earthquake was followed by two aftershocks of magnitude 2.0 or larger within the first half an hour, the first and largest of which was a magnitude 2.5 event at 05:52 AM. A total of 45 earthquakes of magnitude 3.0 or greater have occurred within 16 mi of the epicenter of today’s event since 1962. The largest of these events was a magnitude 4.6 on January 03, 2011, 6.5 mi NW of Circleville.

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

M 2.7 near Logan, UT

PRESS RELEASE
University of Utah Seismograph Stations
Released: September 19, 2020 10:45 PM MDT

The University of Utah Seismograph Stations reports that an earthquake of magnitude 2.7 occurred at 09:56 PM on September 19, 2020 (MDT). The hypocenter of the shock was located 11 miles beneath Logan Canyon in the Bear River Range,  7 miles east northeast of Logan, UT. 

This earthquake was reported felt by residents of Logan and other cities and towns in the Cache Valley. Today’s earthquake occurred in a seismically active area of Utah. A total of 14 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 4.6 that occurred on March 17, 1966, 14 miles east of Providence, UT.

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

Earthquake Summary:

Date (UTC):   September 20, 2020         Time (UTC):   03:56
Date (local): September 19, 2020         Time (local): 09:56 PM MDT
Latitude:     41 45.95′ N
Longitude:    111 42.32′ W
Preferred magnitude: 2.7 Ml