M3.7 earthquake 7 km NNW of Black Eagle, Montana
A magnitude 3.7 earthquake struck 7 km NNW of Black Eagle, Montana at Sep 18, 9:40 AM ET, 10 km deep, minor – felt by people near the epicenter. 176 people reported feeling it.
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| Magnitude | 3.7 ml |
| Time | 18 Sept 2026, 13:40 UTC |
| Location | 47.581°, -111.333° – 7 km NNW of Black Eagle, Montana |
| Depth | 10.0 km |
| Felt reports | 176 |
| Max. estimated intensity (MMI) | 3.7 |
| USGS event | us7000tiax |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 4.2 | 9 km N of Black Eagle, Montana · PAGER green | Jan 29, 2:41 PM 260 d ago | 24 km | 938 reports |
| 3.7 | 3 km SE of Black Eagle, Montana | Feb 12, 8:36 PM 246 d ago | 10 km | 302 reports |
| 3.2 | 3 km NW of Malmstrom Air Force Base, Montana | Jan 31, 8:22 PM 258 d ago | 13 km | 199 reports |
| 2.7 | 5 km NNW of Malmstrom Air Force Base, Montana | Jan 29, 7:46 PM 260 d ago | 16 km | 19 reports |
| 2.6 | 10 km NNE of Black Eagle, Montana | Feb 26, 1:42 PM 232 d ago | 19 km | 6 reports |
| 2.4 | 9 km NNE of Black Eagle, Montana | Jul 16, 3:46 AM 93 d ago | 10 km | – |
| 2.4 | 21 km SSE of Craig, Montana | Aug 24, 4:42 AM 53 d ago | 4 km | – |
| 2.0 | 32 km ENE of Helena Valley Northeast, Montana | Jul 22, 11:59 AM 86 d ago | 16 km | – |
| 2.0 | 20 km NNE of Helena Valley Northeast, Montana | Jul 17, 1:59 AM 92 d ago | 4 km | – |
| 1.9 | 9 km N of Black Eagle, Montana | Apr 16, 12:45 AM 184 d ago | 3 km | – |
| 1.6 | 23 km SSE of Augusta, Montana | Oct 4, 5:18 AM 12 d ago | 15 km | – |
| 1.6 | 14 km SSE of Craig, Montana | Sep 1, 11:17 PM 45 d ago | 10 km | – |
About this earthquake
How strong was the 7 km NNW of Black Eagle, Montana earthquake?
Magnitude 3.7 (ml), minor – felt by people near the epicenter. Depth 10 km. Strongest estimated shaking: intensity 3.7 on the Modified Mercalli scale.
Was it felt?
176 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 3.4.
Were there aftershocks?
No earthquakes within 100 km have followed so far in our records.
More
Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.