Idaho earthquakes

M1.9 earthquake 14 km W of Clayton, Idaho

A magnitude 1.9 earthquake struck 14 km W of Clayton, Idaho on Sat, Mar 31, 2018, 8:03 AM MDT (14:03 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.7 22 km NNW of Clayton, Idaho. This one was a foreshock.

Challis 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
1.9 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2018-03-31 14:03:27 UTC
Depth
3.9 km (2.4 mi), shallow
Epicenter
44.270° N, 114.579° 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.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.9 km horizontally, 17.4 km in depth
Magnitude uncertainty
±0.31
Depth from
Operator assigned
Station coverage gap
115°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.622 km NNW of Clayton, Idaho · 3108 days ago · 5 km deep · 19 km away
  2. 1.812 km W of Clayton, Idaho · 3100 days ago · 3 km deep · 2 km away
  3. 2.022 km SSE of Clayton, Idaho · 3099 days ago · 17 km deep · 33 km away
  4. 1.714 km W of Clayton, Idaho · 3095 days ago · 4 km deep · 1 km away
  5. 2.0southern Idaho · 3087 days ago · 11 km deep · 0 km away
  6. 2.114 km W of Clayton, Idaho · 3085 days ago · 3 km deep · 0 km away
  7. 2.313 km W of Clayton, Idaho · 3084 days ago · 11 km deep · 1 km away
  8. 1.913 km W of Clayton, Idaho · 3080 days ago · 7 km deep · 3 km away
  9. 2.318 km W of Clayton, Idaho · 3079 days ago · 5 km deep · 4 km away
  10. 1.814 km W of Clayton, Idaho · 3079 days ago · 5 km deep · 1 km away
  11. 2.313 km W of Clayton, Idaho · 3078 days ago · 13 km deep · 1 km away
  12. 1.514 km W of Clayton, Idaho · 3077 days ago · 4 km deep · 1 km away
  13. 2.013 km W of Clayton, Idaho · 3077 days ago · 10 km deep · 1 km away
  14. 1.728 km N of Sun Valley, Idaho · 3076 days ago · 9 km deep · 38 km away
  15. 1.613 km WSW of Stanley, Idaho · 3075 days ago · 3 km deep · 42 km away
  16. 1.514 km W of Clayton, Idaho · 3072 days ago · 6 km deep · 4 km away
  17. 2.514 km WNW of Clayton, Idaho · 3070 days ago · 19 km deep · 4 km away · felt by 2
  18. 2.412 km W of Clayton, Idaho · 3070 days ago · 13 km deep · 2 km away
  19. 1.912 km W of Clayton, Idaho · 3070 days ago · 13 km deep · 1 km away
  20. 1.824 km SSW of Clayton, Idaho · 3069 days ago · 9 km deep · 23 km away
  21. 2.013 km W of Clayton, Idaho · 3069 days ago · 11 km deep · 1 km away
  22. 2.222 km SSW of Clayton, Idaho · 3069 days ago · 7 km deep · 22 km away
  23. 2.136 km E of Cascade, Idaho · 3065 days ago · 11 km deep · 83 km away
  24. 1.728 km S of Clayton, Idaho · 3060 days ago · 9 km deep · 32 km away
  25. 1.630 km NW of Leadore, Idaho · 3057 days ago · 7 km deep · 99 km away
  26. 2.011 km WNW of Clayton, Idaho · 3055 days ago · 8 km deep · 3 km away
  27. 2.116 km NNW of Stanley, Idaho · 3055 days ago · 18 km deep · 38 km away
  28. 2.316 km NNW of Stanley, Idaho · 3055 days ago · 19 km deep · 38 km away
  29. 1.916 km NNW of Stanley, Idaho · 3055 days ago · 11 km deep · 38 km away
  30. 2.722 km NNW of Clayton, Idaho · 3051 days ago · 5 km deep · 20 km away
  31. 2.1southern Idaho · 3051 days ago · 6 km deep · 18 km away
  32. 1.923 km NW of Clayton, Idaho · 3050 days ago · 4 km deep · 18 km away

Before

  1. 1.77 km NNW of Challis, Idaho · 3118 days ago · 3 km deep · 40 km away
  2. 2.414 km NW of Challis, Idaho · 3120 days ago · 5 km deep · 41 km away · felt by 2
  3. 1.611 km WNW of Clayton, Idaho · 3121 days ago · 7 km deep · 4 km away
  4. 1.911 km N of Stanley, Idaho · 3124 days ago · 10 km deep · 29 km away
  5. 2.628 km SW of Stanley, Idaho · 3126 days ago · 5 km deep · 53 km away · felt by 3
  6. 2.113 km W of Clayton, Idaho · 3126 days ago · 8 km deep · 1 km away
  7. 2.621 km E of Stanley, Idaho · 3126 days ago · 21 km deep · 11 km away
  8. 1.848 km WNW of Challis, Idaho · 3126 days ago · 5 km deep · 47 km away
  9. 1.814 km W of Clayton, Idaho · 3139 days ago · 6 km deep · 1 km away
  10. 1.814 km W of Clayton, Idaho · 3139 days ago · 6 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80287779. Read Sun, Oct 4, 2026, 6:28 PM UTC.