M2.8 Earthquake 13 km W of Colstrip, Montana — December 29, 2025

2025-12-29 20:22:48 UTC (2025-12-29) · approx. 1:22 PM UTC-7 local

MagnitudeM2.8(ml)

Time20:22 UTC≈ 1:22 PM UTC-7

Depth0.0 kmshallow crustal

Coordinates45.874°, -106.791°

Felt byNo felt reports

Status✓ Reviewed by USGS

Map showing earthquake epicenter at 45.87°, -106.79°

Earthquake Details

Magnitude

2.8 ml

Depth

0.0 km

shallow crustal

Location

45.8740°N
-106.7914°E

Technical Information

Event ID

us7000rldv

Event Type

mining explosion

Status

✓ Reviewed

Significance

121

Stations Used

Azimuthal Gap

105.0°

Min Station Distance

0.905°

RMS Residual

0.46 sec

Last Updated

2026-04-01 22:48:36 UTC

Actions

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Location

Montana

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Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

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Authoritative source: USGS event page (event ID: us7000rldv). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 29, 2025). M2.8 Earthquake 13 km W of Colstrip, Montana — December 29, 2025. Retrieved May 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000rldv/