Earthquake · Reviewed by USGS
M4.2 earthquake 9 km N of Black Eagle, Montana
A magnitude 4.2 earthquake struck 9 km N of Black Eagle, Montana at Jan 29, 2026, 19:41 UTC, at a depth of 24 km. The epicentre was 13 km (8 mi) NNE of Great Falls. 938 people reported feeling it to USGS.
Details
| Magnitude | 4.2 mwr |
|---|---|
| Time | Jan 29, 2026, 19:41 UTC |
| Depth | 23.5 km |
| Coordinates | 47.611, -111.265 |
| Felt reports | 938 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 1.6 | 23 km SSE of Augusta, Montana | 81 km / 50 mi | depth 15 km | |
| 3.7 | 7 km NNW of Black Eagle, Montana | 6 km / 4 mi | depth 10 km | |
| 2.6 | 10 km NNE of Black Eagle, Montana | 3 km / 2 mi | depth 19 km | |
| 3.7 | 3 km SE of Black Eagle, Montana | 12 km / 7 mi | depth 10 km | |
| 3.2 | 3 km NW of Malmstrom Air Force Base, Montana | 10 km / 6 mi | depth 13 km | |
| 2.7 | 5 km NNW of Malmstrom Air Force Base, Montana | 8 km / 5 mi | depth 16 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.