Montana earthquakes

M1.6 earthquake 32 km ENE of Leadore, Idaho

A magnitude 1.6 earthquake struck 32 km ENE of Leadore, Idaho on Thu, Apr 11, 2019, 3:18 AM MDT (09:18 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.0 11 km NE of Lima, Montana. 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
1.6 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2019-04-11 09:18:07 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
44.791° N, 112.975° W
Region
Montana
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.5 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
153°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 1.7Idaho-Montana border region · 2732 days ago · 13 km deep · 40 km away
  2. 3.011 km NE of Lima, Montana · 2732 days ago · 12 km deep · 37 km away
  3. 2.811 km NE of Lima, Montana · 2731 days ago · 13 km deep · 38 km away · felt by 2
  4. 2.410 km NE of Lima, Montana · 2730 days ago · 13 km deep · 40 km away
  5. 2.25 km ENE of Lima, Montana · 2718 days ago · 12 km deep · 38 km away
  6. 2.432 km ENE of Leadore, Idaho · 2717 days ago · 8 km deep · 1 km away
  7. 2.433 km NNE of Spencer, Idaho · 2698 days ago · 5 km deep · 78 km away · felt by 1
  8. 2.017 km NNE of Dillon, Montana · 2692 days ago · 10 km deep · 72 km away
  9. 2.226 km ENE of Leadore, Idaho · 2676 days ago · 10 km deep · 7 km away
  10. 2.211 km NNE of Dillon, Montana · 2674 days ago · 8 km deep · 66 km away

Before

  1. 1.610 km NE of Lima, Montana · 2733 days ago · 2 km deep · 39 km away
  2. 2.410 km NE of Lima, Montana · 2734 days ago · 10 km deep · 40 km away
  3. 2.310 km NE of Lima, Montana · 2734 days ago · 12 km deep · 39 km away
  4. 3.010 km NE of Lima, Montana · 2734 days ago · 10 km deep · 39 km away · felt by 1
  5. 2.210 km NE of Lima, Montana · 2734 days ago · 12 km deep · 40 km away
  6. 2.42 km E of Lima, Montana · 2734 days ago · 10 km deep · 37 km away
  7. 2.310 km NE of Lima, Montana · 2734 days ago · 11 km deep · 40 km away
  8. 2.011 km NE of Lima, Montana · 2735 days ago · 10 km deep · 40 km away
  9. 1.99 km ENE of Lima, Montana · 2735 days ago · 10 km deep · 41 km away
  10. 2.011 km NE of Lima, Montana · 2735 days ago · 10 km deep · 38 km away · felt by 2
  11. 2.311 km NE of Lima, Montana · 2735 days ago · 11 km deep · 38 km away · felt by 2
  12. 2.210 km NE of Lima, Montana · 2735 days ago · 11 km deep · 39 km away
  13. 2.410 km NE of Lima, Montana · 2735 days ago · 11 km deep · 40 km away
  14. 3.38 km NE of Lima, Montana · 2735 days ago · 10 km deep · 37 km away · felt by 22
  15. 4.69 km NE of Lima, Montana · 2735 days ago · 14 km deep · 38 km away · felt by 73
  16. 2.037 km SSW of Lima, Montana · 2735 days ago · 6 km deep · 58 km away
  17. 1.737 km S of Lima, Montana · 2737 days ago · 7 km deep · 59 km away
  18. 2.137 km SSW of Lima, Montana · 2737 days ago · 7 km deep · 58 km away
  19. 1.86 km ENE of Lima, Montana · 2737 days ago · 11 km deep · 39 km away
  20. 2.023 km NE of Lima, Montana · 2751 days ago · 5 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80340094. Read Sun, Oct 4, 2026, 9:13 AM UTC.