Idaho earthquakes

M1.6 earthquake 13 km WSW of Stanley, Idaho

A magnitude 1.6 earthquake struck 13 km WSW of Stanley, Idaho on Fri, May 4, 2018, 3:29 AM MDT (09:29 UTC), 3 km (2 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
1.6 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2018-05-04 09:29:02 UTC
Depth
3.3 km (2.1 mi), shallow
Epicenter
44.188° N, 115.098° 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 0.6 km horizontally, 3.0 km in depth
Magnitude uncertainty
±0.56
Depth from
From location
Station coverage gap
110°
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: 23 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.514 km W of Clayton, Idaho · 3071 days ago · 6 km deep · 42 km away
  2. 2.514 km WNW of Clayton, Idaho · 3069 days ago · 19 km deep · 44 km away · felt by 2
  3. 2.412 km W of Clayton, Idaho · 3069 days ago · 13 km deep · 44 km away
  4. 1.912 km W of Clayton, Idaho · 3069 days ago · 13 km deep · 44 km away
  5. 1.824 km SSW of Clayton, Idaho · 3068 days ago · 9 km deep · 47 km away
  6. 2.013 km W of Clayton, Idaho · 3068 days ago · 11 km deep · 44 km away
  7. 2.222 km SSW of Clayton, Idaho · 3068 days ago · 7 km deep · 48 km away
  8. 2.136 km E of Cascade, Idaho · 3064 days ago · 11 km deep · 49 km away
  9. 1.728 km S of Clayton, Idaho · 3059 days ago · 9 km deep · 57 km away
  10. 2.011 km WNW of Clayton, Idaho · 3054 days ago · 8 km deep · 45 km away
  11. 2.116 km NNW of Stanley, Idaho · 3054 days ago · 18 km deep · 18 km away
  12. 2.316 km NNW of Stanley, Idaho · 3054 days ago · 19 km deep · 18 km away
  13. 1.916 km NNW of Stanley, Idaho · 3054 days ago · 11 km deep · 18 km away
  14. 2.722 km NNW of Clayton, Idaho · 3049 days ago · 5 km deep · 55 km away
  15. 2.1southern Idaho · 3049 days ago · 6 km deep · 49 km away
  16. 1.923 km NW of Clayton, Idaho · 3049 days ago · 4 km deep · 50 km away
  17. 2.031 km W of Challis, Idaho · 3048 days ago · 5 km deep · 53 km away
  18. 2.723 km WSW of Challis, Idaho · 3045 days ago · 5 km deep · 55 km away
  19. 2.413 km WNW of Clayton, Idaho · 3027 days ago · 12 km deep · 43 km away
  20. 2.438 km N of Challis, Idaho · 3027 days ago · 16 km deep · 98 km away
  21. 1.739 km N of Challis, Idaho · 3027 days ago · 7 km deep · 97 km away
  22. 1.613 km W of Clayton, Idaho · 3026 days ago · 4 km deep · 43 km away
  23. 1.915 km W of Clayton, Idaho · 3018 days ago · 6 km deep · 42 km away

Before

  1. 1.728 km N of Sun Valley, Idaho · 3074 days ago · 9 km deep · 63 km away
  2. 2.013 km W of Clayton, Idaho · 3076 days ago · 10 km deep · 43 km away
  3. 1.514 km W of Clayton, Idaho · 3076 days ago · 4 km deep · 42 km away
  4. 2.313 km W of Clayton, Idaho · 3076 days ago · 13 km deep · 43 km away
  5. 1.814 km W of Clayton, Idaho · 3078 days ago · 5 km deep · 43 km away
  6. 2.318 km W of Clayton, Idaho · 3078 days ago · 5 km deep · 39 km away
  7. 1.913 km W of Clayton, Idaho · 3079 days ago · 7 km deep · 43 km away
  8. 2.313 km W of Clayton, Idaho · 3083 days ago · 11 km deep · 43 km away
  9. 2.114 km W of Clayton, Idaho · 3084 days ago · 3 km deep · 42 km away
  10. 2.0southern Idaho · 3086 days ago · 11 km deep · 42 km away
  11. 1.714 km W of Clayton, Idaho · 3094 days ago · 4 km deep · 42 km away
  12. 2.022 km SSE of Clayton, Idaho · 3097 days ago · 17 km deep · 69 km away
  13. 1.812 km W of Clayton, Idaho · 3099 days ago · 3 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80292224. Read Sat, Oct 3, 2026, 1:49 PM UTC.