4.2
Earthquake Details: 9 km N of Black Eagle, Montana, United States
1/29/2026, 7:41:09 PM
A magnitude 4.2 earthquake occurred near 9 km N of Black Eagle, Montana, United States on 1/29/2026 at 7:41:09 PM. The seismic event was recorded at a depth of 23.514 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth23.514 km
Significance693
Latitude47.6105
Longitude-111.2654
Event IDus6000s5ba
Magnitude4.2
Updated:8/13/2026, 7:51:22 PM
External Resources
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Time & depth
- Local time
- 1/29/2026, 12:41:09 PM MST
- UTC
- 1/29/2026, 7:41:09 PM UTC
23.514 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 13, 2026, 07:51 PM UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.