M 4.3 Near Bedrock, CO

PRESS RELEASE

University of Utah Seismograph Stations

Released: December 19, 2020 08:00 PM MST

The University of Utah Seismograph Stations reports that a light earthquake of magnitude 4.3 occurred at 07:11 PM on December 19, 2020 (MST).  The epicenter of the shock was located south of Paradox Valley in western Colorado, 3.5 miles southwest of the town of Bedrock, Colorado, and 18 miles east of the town of La Sal, Utah.  It was reported felt in Bedrock and in Moab, Utah. A magnitude 3.3 foreshock occurred at 6:53 PM (MST).  Today’s earthquakes occurred within an area of frequent small, shallow earthquake activity triggered by underground saltwater injection. Before today, a total of 12 earthquakes of magnitude 3.0 or greater had occurred within 16 mi of the epicenter of this event since 1997, including three earlier this year:  a magnitude 3.4 on September 16, a magnitude 3.8 on November 8, and a magnitude 3.7 on December 8.  The largest earthquake since 1962 in the area of today’s earthquake was a magnitude 4.5 on March 4, 2019.

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):   December 20, 2020         Time (UTC):   02:11

Date (local): December 19, 2020         Time (local): 07:11 PM MST

Latitude:     38 16.37′ N

Longitude:    108 55.70′ W

Preferred magnitude: 4.30 Ml

M 3.7 Near Bedrock, CO

PRESS RELEASE

University of Utah Seismograph Stations

Released: December 08, 2020 05:00 PM MST

The University of Utah Seismograph Stations reports that a minor earthquake of magnitude 3.7 occurred at 03:53 PM on December 08, 2020 (MST).  The epicenter of the shock was located in western Colorado, 3 miles south-southwest of the town of Bedrock, Colorado, and 18 mi east of the town of La Sal, Utah.  This earthquake occurred within an area of frequent small, shallow earthquake activity triggered by underground saltwater injection. A total of 10 earthquakes of magnitude 3.0 or greater have occurred within 15 miles of the epicenter of this event since 1997, including two earlier this year:  a magnitude 3.4 on September 16 and a magnitude 3.8 on November 8.  The largest earthquake since 1962 in the area of today’s earthquake was a magnitude 4.5 on March 4, 2019.

Anyone who felt the earthquake is encouraged to fill out a survey form either on the Seismograph Stations website: www.quake.utah.edu or the US Geological Survey website: earthquake.usgs.gov.

Earthquake Summary:

Date (UTC):   December 08, 2020         Time (UTC):   22:53

Date (local): December 08, 2020         Time (local): 03:53 PM MST

Latitude:     38 16.32′ N

Longitude:    108 55.38′ W

Magnitude:    ML 3.7

M 2.5 in Magna, Widely Felt In the Salt Lake Valley

PRESS 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 east northeast of the town 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 more than one hundred residents of the Salt Lake Valley. To date, the University of Utah Seismograph Stations has located 2,531 aftershocks from the March 18 earthquake, including 75 of magnitude 2.5 or larger and 40 of magnitude 3.0 and larger. In recent weeks there have been, on the average, approximately six aftershocks per week 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):   November 18, 2020   Time (UTC):   22:17

Date (local): November 18, 2020   Time (local): 03:17 PM MST

Latitude: 40.7285° N

Longitude: 112.0663° W

Preferred magnitude: 2.5 Ml

M 3.8 near Bedrock, CO

PRESS RELEASE

University of Utah Seismograph Stations

Released: November 08, 2020 06:30 AM MST

The University of Utah Seismograph Stations reports that a minor earthquake of magnitude 3.8 occurred at 04:19 AM on November 08, 2020 (MST).  The epicenter of the shock was located in western Colorado, 7 miles south-southeast of the town of Paradox, Colorado, and 40 mi southeast of the town of Moab, Utah.  This earthquake occurred within an area of frequent small, shallow earthquake activity triggered by underground saltwater injection.  A total of 10 earthquakes of magnitude 3.0 or greater have occurred within 15 miles of the epicenter of this event since 1997, including a magnitude 3.4 earthquake on September 16 of this year. The largest of these events was a magnitude 4.5 on March 4, 2019, which was in the same area as today’s earthquake.

Anyone who felt the earthquake is encouraged to fill out a survey form either on the Seismograph Stations website: www.quake.utah.edu or the US Geological Survey website: earthquake.usgs.gov.

Earthquake Summary:

Date (UTC):   November 08, 2020         Time (UTC):   11:19

Date (local): November 08, 2020         Time (local): 04:19 AM MST

Latitude:     38 16.29′ N

Longitude:    108 55.44′ W

Magnitude:    ML 3.8

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

M 3.5 Near Cane Beds, AZ

PRESS RELEASE

University of Utah Seismograph Stations

Released: July 24, 2020 10:50 PM MDT

The University of Utah Seismograph Stations reports that a minor earthquake of magnitude 3.5 occurred at 10:00 PM on July 24, 2020 (MDT).  The epicenter was located in the Upper Clayhole Valley of northern Arizona, 17 miles south-southwest of Colorado City, AZ and 32 miles south-southeast of Hurricane, UT.  A total of 6 earthquakes of magnitude 3.0 or greater have occurred within 16 miles of the epicenter of this event since 1962.  The largest of these events was a magnitude 3.7 on May 22, 1988, 4.7 miles south of Colorado City, AZ. The earthquake was reported felt in the Utah/Arizona border area.

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

M 3.7 Near Enterprise, UT

PRESS RELEASE

University of Utah Seismograph Stations

Released: July 21, 2020 04:45 AM MDT

The University of Utah Seismograph Stations reports that a minor earthquake of magnitude 3.7 occurred at 03:44 AM on July 21, 2020 (MDT).  The epicenter of the shock was located in southwest Utah, 14 miles east of Enterprise, UT and about 28 miles north of St. George, UT.

This earthquake was reported felt in the surrounding region including in the cities of Hurricane and St. George, UT.  A total of 6 earthquakes of magnitude 3.0 or greater have occurred within 16 miles of the epicenter of this event since 1962.  The largest of these events was a magnitude 4.2 on April 04, 1981, 14.5 miles west-southwest of Cedar City, UT.

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

M4.2 Aftershock, near Magna UT

PRESS 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 NE of Magna, UT. This earthquake was an aftershock of the magnitude 5.7 earthquake that occurred in the same area on March 18, and was the largest aftershock to occur since the day of the magnitude 5.7 mainshock. Today’s aftershock was widely felt in the Wasatch Front region of Utah, especially in the Salt Lake Valley. To date, the University of Utah Seismograph Stations has located 1,247 aftershocks from the March 18 earthquake, including four others of magnitude 4.0 or larger (all on March 18) and 39 of magnitude 3.0 and larger. The aftershock activity is expected to continue for at least several more weeks, 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): April 15, 2020 Time (UTC): 02:56

Date (local): April 14, 2020 Time (local): 08:56 PM MDT

Latitude: 40 43.92′ N

Longitude: 112 3.54′ W

Preferred magnitude: 4.2 Ml