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United States · Wyoming

M3.1 Earthquake near Sweetwater County, Wyoming (United States)

UTC time: 2026-09-25 05:41:42 UTC Local time: —

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About this earthquake

On September 25, 2026 at 05:41 UTC, a magnitude M3.1 earthquake occurred near Sweetwater County, Wyoming (United States). Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: 183 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

ID
a5b24b2da09df22ebd7c7d8edcb65b85f7adb6ce
Magnitude
M3.1
Depth
-3.4 km
UTC time
2026-09-25 05:41:42 UTC
Local time
—
Country
United States
State
Wyoming
City
Sweetwater County
County
Sweetwater County
Source
usgs
Coordinates
41.56633, -109.88167
Temperature
12.6°C

Depth profile

Depth profile Depth: -3.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -3.4 km
Shallow
-3.4 km
0 km — shallower than the regional average (15.2 km)
Regional average: 15.2 km
Negative depth = focus above sea level (terrain elevation).
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Hell's Half Acre
    Distance: 300 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Wapi Lava Field
    Distance: 311 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·United States
  • Dotsero
    Distance: 320 km ·Maar ·Elevation: 2'230 m ·Last eruption: -2200 ·United States
  • Craters of the Moon
    Distance: 358 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
  • Black Rock Desert
    Distance: 364 km ·Volcanic field ·Elevation: 1'800 m ·Last eruption: 1290 ·United States
  • Black Butte Crater Lava Field
    Distance: 409 km ·Shield ·Elevation: 1'478 m ·Last eruption: -8180 ·United States

United States

Context for this earthquake

25 Sep 2025 – 25 Sep 2026 · M ≥ 3.0 · 1,431 Catalogue entries

Of 1,430 other entries for this area and period, 1,025 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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