Idaho earthquakes

M1.6 earthquake 22 km NNW of Clayton, Idaho

A magnitude 1.6 earthquake struck 22 km NNW of Clayton, Idaho on Sun, Apr 1, 2018, 5:42 AM MDT (11:42 UTC), 5 km (3 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
1.6 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2018-04-01 11:42:33 UTC
Depth
4.8 km (3.0 mi), shallow
Epicenter
44.441° N, 114.528° 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 0.5 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.41
Depth from
From location
Station coverage gap
128°
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: 33 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.812 km W of Clayton, Idaho · 3099 days ago · 3 km deep · 19 km away
  2. 2.022 km SSE of Clayton, Idaho · 3097 days ago · 17 km deep · 45 km away
  3. 1.714 km W of Clayton, Idaho · 3094 days ago · 4 km deep · 19 km away
  4. 2.0southern Idaho · 3086 days ago · 11 km deep · 19 km away
  5. 2.114 km W of Clayton, Idaho · 3084 days ago · 3 km deep · 20 km away
  6. 2.313 km W of Clayton, Idaho · 3083 days ago · 11 km deep · 20 km away
  7. 1.913 km W of Clayton, Idaho · 3078 days ago · 7 km deep · 22 km away
  8. 2.318 km W of Clayton, Idaho · 3078 days ago · 5 km deep · 19 km away
  9. 1.814 km W of Clayton, Idaho · 3078 days ago · 5 km deep · 19 km away
  10. 2.313 km W of Clayton, Idaho · 3076 days ago · 13 km deep · 20 km away
  11. 1.514 km W of Clayton, Idaho · 3076 days ago · 4 km deep · 19 km away
  12. 2.013 km W of Clayton, Idaho · 3076 days ago · 10 km deep · 18 km away
  13. 1.728 km N of Sun Valley, Idaho · 3074 days ago · 9 km deep · 55 km away
  14. 1.613 km WSW of Stanley, Idaho · 3074 days ago · 3 km deep · 53 km away
  15. 1.514 km W of Clayton, Idaho · 3071 days ago · 6 km deep · 23 km away
  16. 2.514 km WNW of Clayton, Idaho · 3069 days ago · 19 km deep · 16 km away · felt by 2
  17. 2.412 km W of Clayton, Idaho · 3069 days ago · 13 km deep · 20 km away
  18. 1.912 km W of Clayton, Idaho · 3069 days ago · 13 km deep · 19 km away
  19. 1.824 km SSW of Clayton, Idaho · 3068 days ago · 9 km deep · 42 km away
  20. 2.013 km W of Clayton, Idaho · 3068 days ago · 11 km deep · 18 km away
  21. 2.222 km SSW of Clayton, Idaho · 3067 days ago · 7 km deep · 41 km away
  22. 2.233 km SSE of Salmon, Idaho · 3065 days ago · 4 km deep · 86 km away
  23. 2.136 km E of Cascade, Idaho · 3064 days ago · 11 km deep · 84 km away
  24. 1.728 km S of Clayton, Idaho · 3059 days ago · 9 km deep · 49 km away
  25. 1.630 km NW of Leadore, Idaho · 3056 days ago · 7 km deep · 84 km away
  26. 2.011 km WNW of Clayton, Idaho · 3054 days ago · 8 km deep · 18 km away
  27. 2.116 km NNW of Stanley, Idaho · 3054 days ago · 18 km deep · 43 km away
  28. 2.316 km NNW of Stanley, Idaho · 3054 days ago · 19 km deep · 42 km away
  29. 1.916 km NNW of Stanley, Idaho · 3054 days ago · 11 km deep · 42 km away
  30. 2.722 km NNW of Clayton, Idaho · 3049 days ago · 5 km deep · 2 km away
  31. 2.1southern Idaho · 3049 days ago · 6 km deep · 4 km away
  32. 1.923 km NW of Clayton, Idaho · 3049 days ago · 4 km deep · 4 km away
  33. 2.031 km W of Challis, Idaho · 3048 days ago · 5 km deep · 12 km away

Before

  1. 1.914 km W of Clayton, Idaho · 3108 days ago · 4 km deep · 19 km away
  2. 1.714 km NW of Salmon, Idaho · 3110 days ago · 6 km deep · 98 km away
  3. 1.77 km NNW of Challis, Idaho · 3117 days ago · 3 km deep · 24 km away
  4. 2.414 km NW of Challis, Idaho · 3119 days ago · 5 km deep · 22 km away · felt by 2
  5. 1.611 km WNW of Clayton, Idaho · 3120 days ago · 7 km deep · 17 km away
  6. 1.911 km N of Stanley, Idaho · 3122 days ago · 10 km deep · 35 km away
  7. 2.628 km SW of Stanley, Idaho · 3125 days ago · 5 km deep · 68 km away · felt by 3
  8. 2.113 km W of Clayton, Idaho · 3125 days ago · 8 km deep · 20 km away
  9. 2.621 km E of Stanley, Idaho · 3125 days ago · 21 km deep · 29 km away
  10. 1.848 km WNW of Challis, Idaho · 3125 days ago · 5 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80288024. Read Sat, Oct 3, 2026, 12:39 PM UTC.