Montana earthquakes

M3.1 earthquake 15 km NNE of Dillon, Montana

A magnitude 3.1 earthquake struck 15 km NNE of Dillon, Montana on Fri, Jan 13, 2017, 11:32 PM MST (06:32 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.4 42 km W of Hebgen Lake Estates, Montana. This one was a foreshock.

Dillon forecastMore in Montana

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.1 (ml), minor
Local time
UTC
2017-01-14 06:32:56 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
45.339° N, 112.546° W
Region
Montana
Felt reports
8
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

8 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.33
Depth from
From location
Station coverage gap
49°
Stations used
40

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 3.114 km S of Pony, Montana · 3540 days ago · 8 km deep · 55 km away
  2. 2.215 km SSE of Pony, Montana · 3540 days ago · 12 km deep · 58 km away
  3. 3.341 km SW of Dillon, Montana · 3538 days ago · 1 km deep · 56 km away · felt by 4
  4. 1.940 km NE of Leadore, Idaho · 3537 days ago · 5 km deep · 57 km away · felt by 1
  5. 1.826 km SW of Dillon, Montana · 3535 days ago · 3 km deep · 42 km away
  6. 2.143 km NE of Spencer, Idaho · 3533 days ago · 14 km deep · 89 km away
  7. 3.442 km W of Hebgen Lake Estates, Montana · 3526 days ago · 12 km deep · 92 km away
  8. 2.429 km ENE of Leadore, Idaho · 3524 days ago · 4 km deep · 71 km away
  9. 3.129 km ENE of Leadore, Idaho · 3523 days ago · 3 km deep · 71 km away · felt by 2
  10. 1.710 km NNW of Dillon, Montana · 3518 days ago · 4 km deep · 12 km away
  11. 1.710 km NNW of Dillon, Montana · 3514 days ago · 4 km deep · 11 km away
  12. 1.631 km ENE of Leadore, Idaho · 3506 days ago · 0 km deep · 67 km away
  13. 2.515 km S of Whitehall, Montana · 3499 days ago · 5 km deep · 54 km away
  14. 1.628 km WNW of Hebgen Lake Estates, Montana · 3493 days ago · 13 km deep · 98 km away
  15. 2.644 km W of Hebgen Lake Estates, Montana · 3493 days ago · 11 km deep · 90 km away
  16. 1.843 km W of Hebgen Lake Estates, Montana · 3488 days ago · 11 km deep · 90 km away
  17. 1.97 km WNW of Ennis, Montana · 3487 days ago · 1 km deep · 57 km away

Before

  1. 3.55 km WNW of Willow Creek, Montana · 3548 days ago · 18 km deep · 86 km away · felt by 16
  2. 2.038 km W of Dillon, Montana · 3550 days ago · 3 km deep · 46 km away
  3. 1.641 km SW of Dillon, Montana · 3555 days ago · 5 km deep · 56 km away
  4. 1.843 km W of Hebgen Lake Estates, Montana · 3558 days ago · 12 km deep · 91 km away
  5. 1.68 km WNW of Twin Bridges, Montana · 3558 days ago · 5 km deep · 29 km away
  6. 1.627 km WNW of Hebgen Lake Estates, Montana · 3558 days ago · 13 km deep · 98 km away
  7. 2.412 km SSE of Pony, Montana · 3559 days ago · 2 km deep · 58 km away
  8. 1.912 km S of Pony, Montana · 3560 days ago · 0 km deep · 57 km away
  9. 2.012 km SSE of Pony, Montana · 3560 days ago · 5 km deep · 58 km away
  10. 1.612 km S of Pony, Montana · 3560 days ago · 1 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80196774 (also filed as us10007t90). Read Wed, Sep 30, 2026, 7:52 AM UTC.