M1.9 earthquake 13 km N of Dillon, Montana

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Montana Bureau of Mines and Geology

Local time

Thu, Nov 2, 2017, 7:47 AM MDT

UTC

2017-11-02 13:47:13 UTC

Depth

4.1 km (2.6 mi), shallow

Epicenter

45.335° N, 112.612° W

Region

Montana

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 5.4 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

117°

Stations used

12

• Dillon, MontanaPopulation 4,210. Forecast13 kmN
• Butte, MontanaPopulation 34,190. Forecast75 kmS
• Billings, MontanaPopulation 117,116. Forecast324 kmW
• Calgary, CanadaPopulation 1,306,784. Forecast645 kmS

After

1. 2.113 km N of Dillon, MontanaThu, Nov 2, 9:29 AM MDT · 3256 days ago · 3 km deep · 1 km away
2. 1.641 km NNE of Spencer, IdahoWed, Nov 15, 5:58 AM MST · 3244 days ago · 13 km deep · 90 km away
3. 2.25 km NNE of Lima, MontanaSun, Nov 19, 12:52 AM MST · 3240 days ago · 10 km deep · 73 km away
4. 1.810 km SSE of Harrison, MontanaMon, Nov 20, 8:41 PM MST · 3238 days ago · 3 km deep · 73 km away
5. 2.442 km NNE of Spencer, IdahoWed, Nov 29, 11:13 PM MST · 3229 days ago · 6 km deep · 88 km away
6. 2.033 km N of Spencer, IdahoSun, Dec 3, 10:30 PM MST · 3225 days ago · 7 km deep · 83 km away
7. 2.614 km S of Whitehall, MontanaWed, Dec 6, 9:22 AM MST · 3222 days ago · 12 km deep · 60 km away
8. 1.716 km S of Whitehall, MontanaWed, Dec 13, 10:25 AM MST · 3215 days ago · 4 km deep · 58 km away
9. 2.117 km S of Whitehall, MontanaWed, Dec 13, 2:21 PM MST · 3215 days ago · 2 km deep · 57 km away
10. 1.740 km NNE of Spencer, IdahoThu, Dec 14, 8:22 PM MST · 3214 days ago · 7 km deep · 89 km away
11. 1.717 km WNW of Twin Bridges, MontanaFri, Dec 15, 8:33 PM MST · 3213 days ago · 5 km deep · 31 km away
12. 2.918 km SSW of Whitehall, MontanaMon, Dec 18, 7:52 AM MST · 3211 days ago · 5 km deep · 54 km away
13. 2.224 km NNE of Lima, MontanaThu, Dec 21, 8:41 AM MST · 3207 days ago · 1 km deep · 55 km away
14. 2.417 km SSW of Whitehall, MontanaSun, Dec 24, 6:52 PM MST · 3204 days ago · 5 km deep · 55 km away
15. 2.143 km NE of Spencer, IdahoTue, Dec 26, 8:49 AM MST · 3202 days ago · 10 km deep · 93 km away
16. 2.316 km S of Whitehall, MontanaFri, Dec 29, 4:54 AM MST · 3200 days ago · 4 km deep · 57 km away · felt by 1

Before

1. 1.77 km NW of Twin Bridges, MontanaTue, Oct 24, 8:55 PM MDT · 3265 days ago · 5 km deep · 33 km away
2. 1.78 km NNW of Twin Bridges, MontanaSun, Oct 22, 5:50 AM MDT · 3268 days ago · 2 km deep · 35 km away
3. 2.48 km WNW of Twin Bridges, MontanaSat, Oct 21, 12:13 PM MDT · 3268 days ago · 11 km deep · 31 km away
4. 2.029 km NNE of Spencer, IdahoWed, Oct 11, 5:55 PM MDT · 3278 days ago · 7 km deep · 89 km away
5. 1.728 km SSE of Virginia City, MontanaSat, Oct 7, 10:22 PM MDT · 3282 days ago · 10 km deep · 68 km away

From the USGS Earthquake Hazards Program and its partner networks, event mb80268009. Read Sat, Oct 3, 2026, 2:41 AM UTC.