Yellowstone

M 3.9 near Norris Geyser Basin, YNP

Posted on by Paul Roberson

PRESS RELEASE

University of Utah Seismograph Stations

Released: January 28, 2025 07:14 PM MST

The University of Utah Seismograph Stations (UUSS) reports that a minor earthquake of magnitude 3.9 occurred at 05:59 PM on January 28, 2025. The epicenter of the shock was located about 4 mi northwest of Norris Geyser Basin in Yellowstone National Park. So far, the UUSS has located one M 1.0 foreshock and three aftershocks ranging from M 0.9 to 1.9. The event was reported felt in Yellowstone National Park and the surrounding area.

Since 1981, the UUSS has located 1309 M2 or greater events within 15 mi of this event’s epicenter. The largest of these events was a magnitude 4.8 which occurred on March 30, 2014.

Anyone who felt the earthquake is encouraged to fill out a survey form on the US Geological Survey website: https://earthquake.usgs.gov/earthquakes/eventpage/uu80100206/tellus

M 3.9 near Norris Geyser Basin, Yellowstone National Park

Posted on by Paul Roberson

PRESS RELEASE

University of Utah Seismograph Stations

Released: September 18, 2022 07:22 AM MDT

The University of Utah Seismograph Stations reports that a minor earthquake of magnitude 3.9 occurred at 06:55 AM on September 18, 2022 (MDT). The epicenter of the shock was located about 6.5 mi NW of Norris Geyser Basin, WY.  A total of 168 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 4.8 on March 30, 2014, 2.8 mi N of Norris Junction, WY.  

The earthquake was reported felt within Yellowstone National Park and the surrounding communities.

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

M 4.2 in eastern Yellowstone National Park

Posted on by Paul Roberson

PRESS RELEASE

University of Utah Seismograph Stations

Released: May 11, 2022 08:35 AM MDT

The University of Utah Seismograph Stations reports that a light earthquake of magnitude 4.2 occurred at 07:32 AM on May 11, 2022 (MDT).  The epicenter of the shock was located about 13 mi north of the East Entrance of Yellowstone National Park.  A total of 5 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 4.2 on March 25, 2008, 20 mi NE of Fishing Bridge, WY.

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

M 3.6 in Yellowstone National Park

Posted on by Becca Sumsion

PRESS RELEASE

University of Utah Seismograph Stations
Released: July 16, 2021 08:15 PM MDT


The University of Utah Seismograph Stations reports that a minor earthquake of magnitude 3.6 occurred at 06:45 PM on July 16, 2021(MDT). The epicenter of the shock was located beneath Yellowstone Lake, 7.4 mi SSE of Fishing Bridge, WY.  This earthquake is part of an intense sequence of small earthquakes, known as a swarm, that began yesterday afternoon (July 15).  There have been approximately 200 earthquakes in this swarm so far, including three others of magnitude 3.0 or larger and approximately 40 in the magnitude range 2 to 3.  Earthquake swarms are common in the Yellowstone National Park region, and account for roughly half of the total seismicity in the Yellowstone region.  The current swarm is occurring in an area that has had swarm activity in the recent past, including the 2008-2009 Yellowstone Lake swarm that included over 800 earthquakes.

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

Earthquake Summary:
Date (UTC): July 17, 2021      Time (UTC): 00:45
Date (local): July 16, 2021     Time (local): 06:45 PM MDT
Latitude: 44 27.64′ N
Longitude: 110 20.83′ W
Preferred magnitude: 3.6 Ml

Recent Earthquakes in the Yellowstone Region, July 2-15, 2020

Posted on by Paul Roberson

In addition to monitoring the seismicity in the Utah region, the UUSS is also responsible for the operation and analysis of the Yellowstone Seismic Network. Here is our Yellowstone biweekly update:

Map of Recent Earthquakes in Yellowstone July 2-15

Station YNM, located near the Yellowstone Norris Museum, was recently repaired and is now streaming live webicorder images that can be found here:
www.quake.utah.edu/station/heli/YNM.png