Idaho earthquakes

M1.9 earthquake 13 km W of Clayton, Idaho

A magnitude 1.9 earthquake struck 13 km W of Clayton, Idaho on Sun, Apr 29, 2018, 8:08 PM MDT (02:08 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.7 22 km NNW of Clayton, 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 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2018-04-30 02:08:41 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
44.248° N, 114.569° 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 1.4 km horizontally, 4.8 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
114°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.318 km W of Clayton, Idaho · 3078 days ago · 5 km deep · 6 km away
  2. 1.814 km W of Clayton, Idaho · 3078 days ago · 5 km deep · 3 km away
  3. 2.313 km W of Clayton, Idaho · 3076 days ago · 13 km deep · 2 km away
  4. 1.514 km W of Clayton, Idaho · 3076 days ago · 4 km deep · 4 km away
  5. 2.013 km W of Clayton, Idaho · 3076 days ago · 10 km deep · 4 km away
  6. 1.728 km N of Sun Valley, Idaho · 3074 days ago · 9 km deep · 36 km away
  7. 1.613 km WSW of Stanley, Idaho · 3074 days ago · 3 km deep · 43 km away
  8. 1.514 km W of Clayton, Idaho · 3070 days ago · 6 km deep · 2 km away
  9. 2.514 km WNW of Clayton, Idaho · 3068 days ago · 19 km deep · 6 km away · felt by 2
  10. 2.412 km W of Clayton, Idaho · 3068 days ago · 13 km deep · 2 km away
  11. 1.912 km W of Clayton, Idaho · 3068 days ago · 13 km deep · 2 km away
  12. 1.824 km SSW of Clayton, Idaho · 3068 days ago · 9 km deep · 21 km away
  13. 2.013 km W of Clayton, Idaho · 3067 days ago · 11 km deep · 3 km away
  14. 2.222 km SSW of Clayton, Idaho · 3067 days ago · 7 km deep · 20 km away
  15. 2.136 km E of Cascade, Idaho · 3063 days ago · 11 km deep · 84 km away
  16. 1.728 km S of Clayton, Idaho · 3058 days ago · 9 km deep · 29 km away
  17. 2.011 km WNW of Clayton, Idaho · 3054 days ago · 8 km deep · 4 km away
  18. 2.116 km NNW of Stanley, Idaho · 3053 days ago · 18 km deep · 39 km away
  19. 2.316 km NNW of Stanley, Idaho · 3053 days ago · 19 km deep · 39 km away
  20. 1.916 km NNW of Stanley, Idaho · 3053 days ago · 11 km deep · 40 km away
  21. 2.722 km NNW of Clayton, Idaho · 3049 days ago · 5 km deep · 22 km away
  22. 2.1southern Idaho · 3049 days ago · 6 km deep · 20 km away
  23. 1.923 km NW of Clayton, Idaho · 3049 days ago · 4 km deep · 20 km away
  24. 2.031 km W of Challis, Idaho · 3047 days ago · 5 km deep · 31 km away
  25. 2.723 km WSW of Challis, Idaho · 3045 days ago · 5 km deep · 24 km away
  26. 2.413 km WNW of Clayton, Idaho · 3027 days ago · 12 km deep · 4 km away
  27. 2.438 km N of Challis, Idaho · 3027 days ago · 16 km deep · 71 km away
  28. 1.739 km N of Challis, Idaho · 3027 days ago · 7 km deep · 71 km away
  29. 1.613 km W of Clayton, Idaho · 3026 days ago · 4 km deep · 3 km away
  30. 2.344 km WSW of Salmon, Idaho · 3025 days ago · 6 km deep · 89 km away
  31. 2.044 km WSW of Salmon, Idaho · 3022 days ago · 4 km deep · 90 km away

Before

  1. 2.313 km W of Clayton, Idaho · 3083 days ago · 11 km deep · 2 km away
  2. 2.114 km W of Clayton, Idaho · 3084 days ago · 3 km deep · 2 km away
  3. 2.0southern Idaho · 3085 days ago · 11 km deep · 3 km away
  4. 1.714 km W of Clayton, Idaho · 3093 days ago · 4 km deep · 3 km away
  5. 2.022 km SSE of Clayton, Idaho · 3097 days ago · 17 km deep · 31 km away
  6. 1.812 km W of Clayton, Idaho · 3098 days ago · 3 km deep · 3 km away
  7. 1.622 km NNW of Clayton, Idaho · 3107 days ago · 5 km deep · 22 km away
  8. 1.914 km W of Clayton, Idaho · 3108 days ago · 4 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80291749. Read Sat, Oct 3, 2026, 3:54 AM UTC.