2.1

M2.1 Earthquake 38 km S of Silver Gate, Montana — October 22, 2025

2025-10-22 23:43:00 UTC (2025-10-22) · approx. 4:43 PM UTC-7 local

MagnitudeM2.1(ml)
Time23:43 UTC≈ 4:43 PM UTC-7
Depth10.9 kmshallow crustal
Coordinates44.661°, -110.016°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 44.66°, -110.02°

Earthquake Details

Magnitude
2.1 ml
Depth
10.9 km
shallow crustal
Location
44.6613°N
-110.0162°E

Technical Information

Event ID
uu80120061
Event Type
earthquake
Status
✓ Reviewed
Significance
65
Stations Used
14
Azimuthal Gap
111.0°
Min Station Distance
0.097°
RMS Residual
0.22 sec
Last Updated
2025-10-23 13:25:49 UTC

Nearby Earthquakes (Last 7 Days)

2.6
7 km NW of Challis, Idaho
6 days ago · 5.0 km deep

Actions

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Location

Montana
View all Montana earthquakes

Understanding This Data

Magnitude 2.1 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: uu80120061). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, October 22, 2025). M2.1 Earthquake 38 km S of Silver Gate, Montana — October 22, 2025. Retrieved May 26, 2026 from https://www.earthquaketracker.org/earthquakes/event/uu80120061/