Montana earthquakes

M1.9 earthquake 25 km W of Lima, Montana

A magnitude 1.9 earthquake struck 25 km W of Lima, Montana on Thu, Feb 12, 2015, 9:54 AM MST (16:54 UTC), 2 km (1 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.1 11 km SE of Challis, Idaho. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.9 (Mc), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2015-02-12 16:54:31 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
44.620° N, 112.909° W
Region
Montana
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Location uncertainty
About 0.8 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
101°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 3.022 km SE of Challis, Idaho · 4249 days ago · 13 km deep · 96 km away
  2. 2.4southern Idaho · 4247 days ago · 13 km deep · 100 km away
  3. 2.118 km N of Dillon, Montana · 4236 days ago · 10 km deep · 88 km away
  4. 2.0southern Idaho · 4235 days ago · 11 km deep · 99 km away
  5. 1.525 km N of Lima, Montana · 4233 days ago · 11 km deep · 34 km away
  6. 3.09 km SE of Challis, Idaho · 4231 days ago · 14 km deep · 99 km away · felt by 2
  7. 2.810 km SE of Challis, Idaho · 4230 days ago · 12 km deep · 100 km away
  8. 3.111 km SE of Challis, Idaho · 4228 days ago · 11 km deep · 98 km away
  9. 1.615 km NE of Dillon, Montana · 4226 days ago · 8 km deep · 84 km away
  10. 1.910 km SE of Challis, Idaho · 4223 days ago · 13 km deep · 99 km away
  11. 2.511 km SE of Challis, Idaho · 4222 days ago · 11 km deep · 99 km away
  12. 2.09 km SE of Challis, Idaho · 4213 days ago · 12 km deep · 100 km away
  13. 2.335 km SE of Wisdom, Montana · 4205 days ago · 8 km deep · 91 km away
  14. 2.518 km NE of Leadore, Idaho · 4200 days ago · 12 km deep · 27 km away
  15. 1.623 km SW of Leadore, Idaho · 4192 days ago · 13 km deep · 53 km away

Before

  1. 2.012 km SE of Challis, Idaho · 4252 days ago · 8 km deep · 98 km away
  2. 2.822 km SE of Challis, Idaho · 4254 days ago · 14 km deep · 96 km away
  3. 2.98 km SE of Challis, Idaho · 4254 days ago · 14 km deep · 100 km away · felt by 1
  4. 3.722 km SE of Challis, Idaho · 4254 days ago · 14 km deep · 96 km away
  5. 2.510 km SE of Challis, Idaho · 4256 days ago · 13 km deep · 99 km away
  6. 2.910 km SE of Challis, Idaho · 4256 days ago · 12 km deep · 99 km away · felt by 1
  7. 2.89 km SE of Challis, Idaho · 4256 days ago · 11 km deep · 99 km away
  8. 2.422 km SE of Challis, Idaho · 4261 days ago · 12 km deep · 96 km away
  9. 1.641 km ENE of Lima, Montana · 4262 days ago · 13 km deep · 66 km away
  10. 2.711 km SE of Challis, Idaho · 4264 days ago · 11 km deep · 98 km away
  11. 2.711 km ESE of Challis, Idaho · 4264 days ago · 12 km deep · 97 km away · felt by 1
  12. 3.622 km SE of Challis, Idaho · 4268 days ago · 13 km deep · 95 km away · felt by 3
  13. 2.024 km E of Lima, Montana · 4273 days ago · 6 km deep · 50 km away
  14. 1.625 km E of Lima, Montana · 4273 days ago · 6 km deep · 50 km away
  15. 2.39 km SE of Challis, Idaho · 4277 days ago · 12 km deep · 99 km away
  16. 2.111 km SE of Challis, Idaho · 4277 days ago · 8 km deep · 100 km away
  17. 1.615 km NNW of Lima, Montana · 4277 days ago · 11 km deep · 23 km away
  18. 2.49 km SE of Challis, Idaho · 4278 days ago · 12 km deep · 99 km away
  19. 2.311 km SE of Challis, Idaho · 4278 days ago · 9 km deep · 98 km away
  20. 3.29 km SE of Challis, Idaho · 4278 days ago · 12 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15868868. Read Fri, Oct 2, 2026, 11:29 PM UTC.