Idaho earthquakes

M1.8 earthquake 48 km WNW of Challis, Idaho

A magnitude 1.8 earthquake struck 48 km WNW of Challis, Idaho on Wed, Mar 14, 2018, 8:36 AM MDT (14:36 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.6 21 km E of Stanley, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2018-03-14 14:36:59 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
44.665° N, 114.803° 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, 1.7 km in depth
Magnitude uncertainty
±0.39
Depth from
From location
Station coverage gap
145°
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: 32 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.621 km E of Stanley, Idaho · 3125 days ago · 21 km deep · 53 km away
  2. 2.113 km W of Clayton, Idaho · 3125 days ago · 8 km deep · 48 km away
  3. 2.628 km SW of Stanley, Idaho · 3125 days ago · 5 km deep · 78 km away · felt by 3
  4. 1.911 km N of Stanley, Idaho · 3122 days ago · 10 km deep · 40 km away
  5. 1.611 km WNW of Clayton, Idaho · 3120 days ago · 7 km deep · 47 km away
  6. 2.414 km NW of Challis, Idaho · 3119 days ago · 5 km deep · 36 km away · felt by 2
  7. 1.77 km NNW of Challis, Idaho · 3117 days ago · 3 km deep · 43 km away
  8. 1.714 km NW of Salmon, Idaho · 3110 days ago · 6 km deep · 89 km away
  9. 1.914 km W of Clayton, Idaho · 3108 days ago · 4 km deep · 47 km away
  10. 1.622 km NNW of Clayton, Idaho · 3107 days ago · 5 km deep · 33 km away
  11. 1.812 km W of Clayton, Idaho · 3098 days ago · 3 km deep · 47 km away
  12. 2.022 km SSE of Clayton, Idaho · 3097 days ago · 17 km deep · 77 km away
  13. 1.714 km W of Clayton, Idaho · 3093 days ago · 4 km deep · 47 km away
  14. 2.0southern Idaho · 3086 days ago · 11 km deep · 47 km away
  15. 2.114 km W of Clayton, Idaho · 3084 days ago · 3 km deep · 48 km away
  16. 2.313 km W of Clayton, Idaho · 3083 days ago · 11 km deep · 48 km away
  17. 1.913 km W of Clayton, Idaho · 3078 days ago · 7 km deep · 50 km away
  18. 2.318 km W of Clayton, Idaho · 3078 days ago · 5 km deep · 45 km away
  19. 1.814 km W of Clayton, Idaho · 3078 days ago · 5 km deep · 47 km away
  20. 2.313 km W of Clayton, Idaho · 3076 days ago · 13 km deep · 48 km away
  21. 1.514 km W of Clayton, Idaho · 3076 days ago · 4 km deep · 46 km away
  22. 2.013 km W of Clayton, Idaho · 3076 days ago · 10 km deep · 47 km away
  23. 1.728 km N of Sun Valley, Idaho · 3074 days ago · 9 km deep · 86 km away
  24. 1.613 km WSW of Stanley, Idaho · 3074 days ago · 3 km deep · 58 km away
  25. 1.514 km W of Clayton, Idaho · 3071 days ago · 6 km deep · 51 km away
  26. 2.514 km WNW of Clayton, Idaho · 3068 days ago · 19 km deep · 44 km away · felt by 2
  27. 2.412 km W of Clayton, Idaho · 3068 days ago · 13 km deep · 49 km away
  28. 1.912 km W of Clayton, Idaho · 3068 days ago · 13 km deep · 48 km away
  29. 1.824 km SSW of Clayton, Idaho · 3068 days ago · 9 km deep · 70 km away
  30. 2.013 km W of Clayton, Idaho · 3068 days ago · 11 km deep · 47 km away
  31. 2.222 km SSW of Clayton, Idaho · 3067 days ago · 7 km deep · 69 km away
  32. 2.233 km SSE of Salmon, Idaho · 3065 days ago · 4 km deep · 93 km away

Before

  1. 1.814 km W of Clayton, Idaho · 3138 days ago · 6 km deep · 47 km away
  2. 1.814 km W of Clayton, Idaho · 3138 days ago · 6 km deep · 49 km away
  3. 2.012 km W of Clayton, Idaho · 3138 days ago · 7 km deep · 50 km away
  4. 1.713 km W of Clayton, Idaho · 3138 days ago · 9 km deep · 50 km away
  5. 1.924 km SE of Challis, Idaho · 3138 days ago · 6 km deep · 71 km away
  6. 2.212 km W of Clayton, Idaho · 3153 days ago · 10 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80286119. Read Sat, Oct 3, 2026, 7:43 AM UTC.