An update from the Bear River earthquake this morning. We have located a total of 15 earthquakes as of 4 PM MST with magnitudes from 1.1 - 4.7. Our UUSS team of network engineers installed 2 temporary seismometers nearby in the first 8 hours to monitor aftershocks.

Utah Earthquake Update 01.08.26 – 01.21.26 Over the last two weeks, 29 earthquakes have been located in the Utah Region. The magnitudes ranged M 0.2 to 2.5. The largest was an M 2.2 on January 10, southwest of Colorado City, AZ.

UUSS Director, Dr. Keith Koper, spoke with local news outlets this morning about the M4.7 earthquake. Watch it here: youtu.be/I9LqjedQp5I

A M4.7 earthquake occurred in the Uinta Mountains this morning and was widely felt in northern Utah! Read our press release here: quake.utah.edu/press-releas...

Yellowstone Earthquake Update (January 1 – 14, 2026) 43 earthquakes have been located in the Yellowstone Region. The magnitudes ranged M -0.3 – 2.6. The largest earthquake in the region was an M 2.6 on January 10, located about 3 miles west of Hebgen Lake, MT.

Over the last two weeks, 64 earthquakes have been located in the Utah Region. The magnitudes ranged M 0.1 to 3.3. The largest was an M 3.3 on January 4, east of Huntsville, UT.

Over the last two weeks, 87 earthquakes have been located in the Utah Region. The magnitudes ranged M -0.1 to 2.3. The largest was an M 2.3 on December 11, southeast of Manti, UT.

Over this time period (December 18 – 31, 2025) 45 earthquakes have been located in the Yellowstone Region. The magnitudes ranged M -0.1 – 2.7. The largest earthquake in the region was an M 2.7 on December 31, located about 6 miles south-southeast of Norris Junction, YNP.

Over the last two weeks (December 4 – 17, 2025) 25 earthquakes have been located in the Yellowstone Region. The magnitudes ranged M 0.1 – 2.1

Utah Earthquake Update: Over the last two weeks, 111 earthquakes have been located in the Utah Region. The magnitudes ranged M -0.1 to 3.0. The largest was an M 3.0 on December 8, northwest of Little America, WY.

Yellowstone Earthquake Update: 115 earthquakes have been located in the Yellowstone Region over the past two weeks. The largest was an M 2.0 located south-southwest of Mammoth, WY. An additional ongoing swarm northeast of Old Faithful includes 51 new earthquakes.

Utah Earthquake Update: Over the last two weeks, 131 earthquakes have been located in the Utah Region. The magnitudes ranged M -0.4 to 3.7. The largest was an M 3.7 on November 17, northwest of Little America, WY.

The last @utahfootball.bsky.social home game is over and what a game it was! what an amazing comeback! It started with Tao Johnson's pick 2, Larry Simmons' TD grab, Devon Dampier's TD, and Lander Barton's interception! @utahathletics.bsky.social @utah.edu #UteQuake

Earthquake Early Warning is operational along the U.S. West Coast, but could it give Utahns enough warning for the next Big One? UUSS scientists evaluated their seismic network and Utah’s expected large earthquakes to find out! Read the BSSA article here: doi.org/10.1785/0120...

Yellowstone Earthquake Update 11.06.25 – 11.19.25, 121 quakes were located in the Yellowstone Region. The largest was an M 3.2 located south-southwest of the Mammoth, WY. This is part of an ongoing swarm. A second swarm northeast of Old Faithful includes 49 quakes.

The University of Utah Seismograph Stations (UUSS) reports that a minor earthquake of magnitude 3.7 occurred at 4:39 PM on November 17, 2025. The epicenter of the shock was located about 22 mi west of Green River, WY. (1/3)

‪Utah Earthquake Update: Over the last two weeks (October 30 – November 12, 2025), 54 earthquakes have been located in the Utah Region. The magnitudes ranged M 0.0 to 2.9. The largest earthquake in the reporting period was an M 2.9 on November 12, northwest of Malad City, ID.

Yellowstone Earthquake Update 10.23.25 – 11.05.25. 111 earthquakes have been located in the Yellowstone Region over the past two weeks. The largest was an M 3.7 located south-southwest of the Mammoth, WY.

What a day Saturday was! The punt return for a TD by Mana Carvalho was the largest #UteQuake we've recorded so far! Rice-Eccles Stadium was rocking! Go to tinyurl.com/UUvsCincy to get a summary of the game. @utahfootball.bsky.social @utahathletics.bsky.social @utah.edu

UTEQUAKE METER WAS ROCKING‼️

#UteQuake on @collegegameday.bsky.social ! Way to represent MUSS! Let's keep this going tonight and shake Rice-Eccles Stadium! @utah.edu @utahathletics.bsky.social @utahfootball.bsky.social

Want to watch Rice-Eccles shake during tomorrow nights Utes football game? Go here (t.co/SlK9sN68O2) and follow the directions on the image. Share your favorite signal with the hashtag #UteQuake. @utahfootball.bsky.social @utah.edu @utahathletics.bsky.social

#UteQuake is returning to ESPN GameDay tomorrow. Tune in and let's see if we can shake the set more than two years ago. @utahfootball.bsky.social @utahathletics.bsky.social @utah.edu Go Utes! @kirkherbstreit.bsky.social @patmcafeeshow.bsky.social

Utah Earthquake Update: Over the last two weeks (October 16 – 29, 2025) 41 earthquakes have been located in the Utah Region. The magnitudes ranged M -0.1 to 2.4. The largest earthquake in the reporting period was an M 2.4 on October 27, located under 1 mile east of Beaver, UT.

New research led by a #UofU geoscientist shows O₂ in sulfate deposits, coupled with geochemical clues, could help identify microbial activity in Earth’s rock record and even in Martian sediments.

Ute Fans, the Utes need you! In order to make the Big12 Conference Championship game (and a possible rematch with the team down south), we need to win out. That begins with this coming Saturday against #17 Cincinnati. #UteQuake @utahfootball.bsky.social @utahathletics.bsky.social @utah.edu

Magnitude 3.7 earthquake this morning in Yellowstone National Park! See our press release for more info: quake.utah.edu/press-releas...

Yellowstone Earthquake Update 10.09.25 – 10.22.25. 62 earthquakes have been located in the Yellowstone Region over the past two weeks. The largest was an M 2. located north of the East Entrance to Yellowstone National Park.

Utah Earthquake Update: Over the last two weeks (October 2 – 15, 2025) 41 earthquakes have been located in the Utah Region. The magnitudes ranged M 0.1 to 2.8. The largest earthquake in the reporting period was an M 2.8 on October 8, located about 16 miles southeast of Heber, UT.

Yellowstone Earthquake Update 9.25.25 – 10.08.25. 52 earthquakes have been located in the Yellowstone Region over the past two weeks. The largest was an M 3.3 located northeast of West Yellowstone, MT.

This simple model illustrates how resonance can sometimes cause buildings of certain heights to see the most damage during an earthquake. Classroom resources ➡️ https://loom.ly/w0ghACs

Utah Earthquake Update: Over the last two weeks, 40 earthquakes have been located in the Utah Region. The magnitudes ranged M 0.2 to 2.4. The largest was a M 2.4 on September 28, northeast of Lyman, WY.

Yellowstone Earthquake Update 9.11.25 – 9.24.25. 37 earthquakes have been located in the Yellowstone Region over the past two weeks. The largest was an M 2.1 located northeast of West Yellowstone, MT.

SL Tribune Op-Ed, "Voices: Utah isn’t ready for ‘The Big One’—but we can be," by UUSS seismologist Jamie Farrell. www.sltrib.com/opinion/comm...

Utah Earthquake Update 09.04.25 – 09.17.25 Over the last two weeks, 67 earthquakes have been located in the Utah Region. The magnitudes ranged M 0.1 to 4.1. The largest was an M 4.1 on September 10, west of Vernal, UT.

Yellowstone Earthquake Update 8.28.25 – 9.10.25. 42 earthquakes have been located in the Yellowstone Region over the past two weeks. The largest was an M 2.3 located northeast of West Yellowstone, MT.

An M4.1 earthquake occurred near Vernal, UT! View our full press release here: quake.utah.edu/press-releas... And if you felt it, fill out a survey here: earthquake.usgs.gov/earthquakes/...

Important nuclear monitoring research coming from @uussquake.bsky.social PhD graduate Sean Hutchings working with Dr. Keith Koper.

Check out this #UteQuake from the Utah vs. Cal Poly football game on Saturday. Here you can see the shaking of Rice Eccles Stadium during the Johnathan Hall interception and the Rayshawn Glover punt return! Go Utes! @utahfootball.bsky.social @utahathletics.bsky.social @utah.edu

It's time for #UteQuake 2025! Home opener tomorrow at 4PM! Follow along and see the Rice-Eccles Stadium shake at tinyurl.com/utequake. Share your favorite seismic signal from the game! Let's go @utahfootball.bsky.social @utahathletics.bsky.social @utah.edu

Utah Earthquake Update 08.21.25 – 09.03.25 Over the last two weeks, 303 earthquakes have been located in the Utah Region. The magnitudes ranged M -0.4 to 2.6. The largest was an M 2.6 on August 24, northwest of Cedar City, UT.

Yellowstone Earthquake Update 8.14.25 – 8.27.25. 52 earthquakes have been located in the Yellowstone Region over the past two weeks. The largest was an M 3.7 located northeast of West Yellowstone, MT.

Utah Earthquake Update 08.07.25 – 08.20.25 Over the last two weeks 70 earthquakes have been located in the Utah Region. The magnitudes ranged M -0.3 to 3.5. The largest was an M 3.5 near Little America, WY.

PRESS RELEASE: Felt M 3.7 earthquake today at 11:14 MDT, about 15 miles northeast of West Yellowstone, MT.

Yellowstone Earthquake Update 07.31.25 – 08.13.25. 26 earthquakes have been located in the Yellowstone Region over the past two weeks. The largest was an M 1.7 located south-southwest of Mammoth, WY.

(1/2) We recently assisted the USGS with the installation of a new monitoring station in Yellowstone near Black Diamond Pool, which saw a hydrothermal eruption last year. #FieldworkFriday 📷 Scott Johnson/EarthScope

Over the last two weeks (July 24 - August 6, 2025), 52 earthquakes have been located in the Utah region. The magnitudes ranged M 0.0 - 2.3.

We are proud to congratulate our graduate student, Tessa Czech, for receiving the NAGT Outstanding TA Award! The award is given to teaching assistants who demonstrate excellence in teaching geoscience. nagt.org/nagt/awards/...

Yellowstone Earthquake Update 07.17.25 – 07.30.25. 33 earthquakes have been located in the Yellowstone Region over the past two weeks. The largest was an M 2.8 located northeast of West Yellowstone, MT.

Over the last two weeks (July 10 - 23, 2025), 61 earthquakes have been located in the Utah region. The magnitudes ranged M -0.1 - 2.6.