Idaho earthquakes

M3.1 earthquake 36 km SW of Lima, Montana

A magnitude 3.1 earthquake struck 36 km SW of Lima, Montana on Sun, Jan 31, 2016, 1:00 PM MST (20:00 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.6 15 km NE of Challis, Idaho. This one was a foreshock.

Dubois forecastMore in Idaho

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
2016-01-31 20:00:36 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
44.400° N, 112.917° W
Region
Idaho
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

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 3.5 km horizontally, 8.8 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
45°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.6Idaho-Montana border region · 3892 days ago · 8 km deep · 2 km away
  2. 1.819 km SE of Challis, Idaho · 3890 days ago · 2 km deep · 90 km away
  3. 2.149 km W of Hebgen Lake Estates, Montana · 3890 days ago · 9 km deep · 99 km away
  4. 1.650 km W of Hebgen Lake Estates, Montana · 3889 days ago · 9 km deep · 98 km away
  5. 1.813 km SE of Challis, Idaho · 3884 days ago · 7 km deep · 94 km away
  6. 2.212 km SE of Challis, Idaho · 3883 days ago · 8 km deep · 95 km away
  7. 1.627 km S of Lima, Montana · 3881 days ago · 7 km deep · 30 km away
  8. 1.512 km SE of Challis, Idaho · 3880 days ago · 6 km deep · 95 km away
  9. 1.920 km SE of Challis, Idaho · 3879 days ago · 3 km deep · 91 km away
  10. 1.512 km SE of Challis, Idaho · 3878 days ago · 6 km deep · 95 km away
  11. 1.914 km SE of Challis, Idaho · 3876 days ago · 7 km deep · 94 km away
  12. 2.246 km NW of Island Park, Idaho · 3868 days ago · 10 km deep · 95 km away
  13. 3.314 km NNE of Challis, Idaho · 3867 days ago · 6 km deep · 100 km away · felt by 1
  14. 2.316 km NNE of Challis, Idaho · 3866 days ago · 6 km deep · 100 km away
  15. 3.615 km NE of Challis, Idaho · 3865 days ago · 7 km deep · 98 km away · felt by 9
  16. 2.114 km NE of Challis, Idaho · 3865 days ago · 5 km deep · 98 km away
  17. 1.714 km NE of Challis, Idaho · 3863 days ago · -2 km deep · 97 km away
  18. 2.013 km SE of Challis, Idaho · 3863 days ago · 5 km deep · 94 km away
  19. 1.714 km NE of Challis, Idaho · 3859 days ago · 5 km deep · 95 km away
  20. 2.614 km NE of Challis, Idaho · 3851 days ago · 10 km deep · 98 km away
  21. 1.525 km SE of Challis, Idaho · 3851 days ago · 5 km deep · 85 km away
  22. 2.2southern Idaho · 3850 days ago · 9 km deep · 97 km away
  23. 1.917 km NNE of Challis, Idaho · 3846 days ago · 5 km deep · 99 km away · felt by 1
  24. 1.639 km NNE of Leadore, Idaho · 3844 days ago · 5 km deep · 68 km away
  25. 1.510 km SE of Challis, Idaho · 3840 days ago · 5 km deep · 97 km away
  26. 1.629 km E of Clayton, Idaho · 3837 days ago · 5 km deep · 91 km away

Before

  1. 1.7southern Idaho · 3893 days ago · 1 km deep · 90 km away
  2. 1.822 km SE of Challis, Idaho · 3893 days ago · 1 km deep · 90 km away
  3. 1.614 km SE of Challis, Idaho · 3893 days ago · 5 km deep · 93 km away
  4. 2.013 km NE of Challis, Idaho · 3894 days ago · 5 km deep · 98 km away
  5. 1.612 km NE of Challis, Idaho · 3895 days ago · 3 km deep · 98 km away
  6. 1.611 km ENE of Challis, Idaho · 3895 days ago · 5 km deep · 96 km away
  7. 1.711 km NE of Challis, Idaho · 3895 days ago · 5 km deep · 97 km away
  8. 1.79 km ESE of Challis, Idaho · 3897 days ago · 5 km deep · 96 km away
  9. 1.523 km SE of Challis, Idaho · 3900 days ago · 1 km deep · 89 km away
  10. 1.5Idaho-Montana border region · 3901 days ago · 10 km deep · 20 km away
  11. 1.816 km E of Lima, Montana · 3904 days ago · 4 km deep · 48 km away
  12. 3.810 km SE of Challis, Idaho · 3905 days ago · 8 km deep · 96 km away · felt by 8
  13. 2.313 km SE of Challis, Idaho · 3905 days ago · 7 km deep · 94 km away
  14. 1.629 km WNW of Lima, Montana · 3909 days ago · 4 km deep · 33 km away
  15. 2.430 km E of Leadore, Idaho · 3910 days ago · 4 km deep · 34 km away
  16. 1.641 km NNE of Spencer, Idaho · 3919 days ago · 5 km deep · 83 km away
  17. 1.642 km NNE of Spencer, Idaho · 3919 days ago · 4 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20004w6r (also filed as mb80122834). Read Mon, Sep 28, 2026, 1:02 AM UTC.