M1.8 earthquake 26 km SW of Dillon, Montana

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Montana Bureau of Mines and Geology

Local time

Tue, Jan 24, 2017, 10:05 PM MST

UTC

2017-01-25 05:05:57 UTC

Depth

3.3 km (2.0 mi), shallow

Epicenter

45.035° N, 112.858° W

Region

Montana

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 10.6 km in depth

Magnitude uncertainty

±0.13

Depth from

Operator assigned

Station coverage gap

139°

Stations used

14

• Dillon, MontanaPopulation 4,210. Forecast27 kmSW
• Butte, MontanaPopulation 34,190. Forecast111 kmSSW
• Boise, IdahoPopulation 235,684. Forecast309 kmENE
• Calgary, CanadaPopulation 1,306,784. Forecast675 kmS

After

1. 2.143 km NE of Spencer, IdahoFri, Jan 27, 10:27 AM MST · 3533 days ago · 14 km deep · 86 km away
2. 3.442 km W of Hebgen Lake Estates, MontanaFri, Feb 3, 6:35 AM MST · 3527 days ago · 12 km deep · 94 km away
3. 2.429 km ENE of Leadore, IdahoSat, Feb 4, 1:44 PM MST · 3525 days ago · 4 km deep · 30 km away
4. 3.129 km ENE of Leadore, IdahoSun, Feb 5, 2:25 PM MST · 3524 days ago · 3 km deep · 29 km away · felt by 2
5. 1.710 km NNW of Dillon, MontanaSat, Feb 11, 11:36 AM MST · 3518 days ago · 4 km deep · 33 km away
6. 1.710 km NNW of Dillon, MontanaTue, Feb 14, 11:51 PM MST · 3515 days ago · 4 km deep · 33 km away
7. 1.727 km W of Leadore, IdahoWed, Feb 15, 2:04 AM MST · 3515 days ago · 4 km deep · 77 km away
8. 1.631 km ENE of Leadore, IdahoWed, Feb 22, 9:23 PM MST · 3507 days ago · 0 km deep · 26 km away
9. 2.515 km S of Whitehall, MontanaWed, Mar 1, 3:04 PM MST · 3500 days ago · 5 km deep · 96 km away
10. 2.644 km W of Hebgen Lake Estates, MontanaWed, Mar 8, 8:41 AM MST · 3494 days ago · 11 km deep · 93 km away
11. 1.843 km W of Hebgen Lake Estates, MontanaMon, Mar 13, 5:59 AM MDT · 3489 days ago · 11 km deep · 93 km away
12. 1.635 km SE of Leadore, IdahoTue, Mar 14, 1:50 AM MDT · 3488 days ago · 2 km deep · 70 km away
13. 1.97 km WNW of Ennis, MontanaTue, Mar 14, 6:59 AM MDT · 3488 days ago · 1 km deep · 90 km away

Before

1. 1.940 km NE of Leadore, IdahoMon, Jan 23, 8:42 AM MST · 3538 days ago · 5 km deep · 17 km away · felt by 1
2. 3.341 km SW of Dillon, MontanaSun, Jan 22, 1:15 PM MST · 3538 days ago · 1 km deep · 16 km away · felt by 4
3. 2.215 km SSE of Pony, MontanaThu, Jan 19, 2:54 PM MST · 3541 days ago · 12 km deep · 96 km away
4. 3.114 km S of Pony, MontanaThu, Jan 19, 1:52 PM MST · 3541 days ago · 8 km deep · 93 km away
5. 1.67 km SW of Leadore, IdahoWed, Jan 18, 7:55 AM MST · 3543 days ago · 6 km deep · 64 km away
6. 3.115 km NNE of Dillon, MontanaFri, Jan 13, 11:32 PM MST · 3547 days ago · 9 km deep · 42 km away · felt by 8
7. 2.038 km W of Dillon, MontanaTue, Jan 10, 11:42 AM MST · 3550 days ago · 3 km deep · 31 km away
8. 1.641 km SW of Dillon, MontanaThu, Jan 5, 6:46 AM MST · 3556 days ago · 5 km deep · 15 km away
9. 1.843 km W of Hebgen Lake Estates, MontanaMon, Jan 2, 5:32 AM MST · 3559 days ago · 12 km deep · 93 km away
10. 1.68 km WNW of Twin Bridges, MontanaMon, Jan 2, 5:06 AM MST · 3559 days ago · 5 km deep · 69 km away
11. 2.412 km SSE of Pony, MontanaSat, Dec 31, 1:26 PM MST · 3560 days ago · 2 km deep · 96 km away
12. 1.912 km S of Pony, MontanaSat, Dec 31, 9:29 AM MST · 3560 days ago · 0 km deep · 96 km away
13. 2.012 km SSE of Pony, MontanaSat, Dec 31, 9:28 AM MST · 3560 days ago · 5 km deep · 97 km away
14. 1.612 km S of Pony, MontanaFri, Dec 30, 10:06 PM MST · 3561 days ago · 1 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event mb80197694. Read Thu, Oct 1, 2026, 3:37 AM UTC.