Over the past 30 days, Wyoming has recorded 7 earthquakes of magnitude 2.5 or greater in our tracker. The remaining 7 fell in the M2.5–M3.9 band. By depth: 7 shallow (<70 km). 4 of the epicenters were offshore. 4 events produced at least one felt report, totalling 54 citizen submissions to the USGS Did You Feel It? system. Focal depths ranged from -2.8 km to 7.3 km. All 7 solutions have been reviewed by a USGS seismologist.
Each row in the table below includes a narrative summary of the event, ordered by time. Use the column headers to sort or filter by magnitude.
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
11 hours ago 2026-09-12 05:25:49 UTC | 3.8ml | 21 km NE of Granger, Wyoming 41.749°, -109.809° | 4.0 km | 1 | III | - | ✓ Reviewed | USGS → |
On September 12, 2026 at 05:25 UTC, a magnitude 3.8 earthquake struck 21 km NE of Granger, Wyoming. It is the largest earthquake currently listed for Wyoming over the past 30 days. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-07 07:43:44 UTC | 2.7ml | 57 km NE of Kelly, Wyoming 44.051°, -110.226° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 57 km NE of Kelly, Wyoming at 07:43 UTC on September 7, 2026. Coming 3 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This is the deepest earthquake in the current dataset — a shallow crustal event. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-07 04:25:01 UTC | 3.4ml | 57 km NE of Kelly, Wyoming 44.047°, -110.219° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 57 km NE of Kelly, Wyoming on September 7, 2026 at 04:25 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 04:32:33 UTC | 3.0ml | 2 km NNW of Little America, Wyoming 41.562°, -109.871° | -2.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 3, 2026, Wyoming registered a magnitude 3.0 earthquake 2 km NNW of Little America, Wyoming at 04:32 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-28 2026-08-28 09:27:59 UTC | 3.0ml | 3 km NW of Little America, Wyoming 41.560°, -109.889° | -1.9 km | 2 | - | - | ✓ Reviewed | USGS → |
At 09:27 UTC on August 28, 2026, a magnitude 3.0 tremor occurred 3 km NW of Little America, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-21 2026-08-21 07:09:24 UTC | 3.1ml | 2 km NNW of Little America, Wyoming 41.562°, -109.873° | -2.8 km | 1 | III | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 2 km NNW of Little America, Wyoming with origin time 07:09 UTC on August 21, 2026. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-16 2026-08-16 04:34:05 UTC | 2.6ml | 5 km NNW of Jackson, Wyoming 43.525°, -110.779° | 4.7 km | 50 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 5 km NNW of Jackson, Wyoming on August 16, 2026, with origin time 04:34 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
21 km NE of Granger, Wyoming
11 hours ago
22 km SE of Wright, Wyoming
2026-05-31
Data from USGS Earthquake Hazards Program. Updated every 5 minutes.
Wyoming experiences moderate seismic activity, particularly in the Yellowstone region where volcanic activity generates frequent small earthquakes. The Teton Fault also poses risk.
In 2026, Wyoming has recorded 118 earthquakes of magnitude 2.5 or greater so far. The largest earthquake in Wyoming in 2026 was a magnitude 3.9 event near Wright, Wyoming.
Wyoming has a Moderate seismic risk level based on historical earthquake data and proximity to active fault lines.
Over the past 30 days, there have been 7 recorded earthquakes in this region. The largest recent earthquake was a magnitude 3.8 event near 21 km NE of Granger, Wyoming.
In the past 30 days, 7 earthquakes have been recorded in the Wyoming region.
The largest recent earthquake in the Wyoming area was a magnitude 3.8 event that occurred 21 km NE of Granger, Wyoming.
Colorado has relatively low natural seismicity, though some areas have experienc...
Montana experiences regular seismic activity due to the Intermountain Seismic Be...
Utah's Wasatch Fault runs along the western edge of the Rocky Mountains near Sal...
South Dakota has very low seismic activity. The state sits on stable ancient bed...