2.2

M2.2 Earthquake 23 km SSW of Mammoth, Wyoming — September 29, 2025

2025-09-29 14:35:04 UTC (2025-09-29) · approx. 7:35 AM UTC-7 local

MagnitudeM2.2(ml)
Time14:35 UTC≈ 7:35 AM UTC-7
Depth4.9 kmshallow crustal
Coordinates44.798°, -110.849°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 44.80°, -110.85°

Earthquake Details

Magnitude
2.2 ml
Depth
4.9 km
shallow crustal
Location
44.7980°N
-110.8488°E

Technical Information

Event ID
uu80118326
Event Type
earthquake
Status
✓ Reviewed
Significance
72
Stations Used
24
Azimuthal Gap
79.0°
Min Station Distance
0.010°
RMS Residual
0.16 sec
Last Updated
2025-09-29 15:23:42 UTC

Nearby Earthquakes (Last 7 Days)

3.2
18 km N of Leadore, Idaho
2 days ago · 12.7 km deep

Actions

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Location

Wyoming
View all Wyoming earthquakes

Understanding This Data

Magnitude 2.2 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Be Prepared

→ What to do during an earthquake→ Create an emergency plan→ Emergency kit essentials→ See all M4.5+ earthquakes today

Authoritative source: USGS event page (event ID: uu80118326). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, September 29, 2025). M2.2 Earthquake 23 km SSW of Mammoth, Wyoming — September 29, 2025. Retrieved May 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/uu80118326/