Idaho earthquakes

M1.9 earthquake 21 km WSW of Clayton, Idaho

A magnitude 1.9 earthquake struck 21 km WSW of Clayton, Idaho on Sat, Feb 10, 2018, 5:39 AM MST (12:39 UTC), 9 km (6 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
1.9 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2018-02-10 12:39:43 UTC
Depth
9.4 km (5.9 mi), shallow
Epicenter
44.194° N, 114.654° 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 1.1 km horizontally, 3.3 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
109°
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: 20 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.213 km W of Clayton, Idaho · 3155 days ago · 16 km deep · 10 km away
  2. 2.317 km W of Clayton, Idaho · 3155 days ago · 5 km deep · 7 km away
  3. 2.212 km W of Clayton, Idaho · 3152 days ago · 10 km deep · 11 km away
  4. 1.924 km SE of Challis, Idaho · 3138 days ago · 6 km deep · 53 km away
  5. 1.713 km W of Clayton, Idaho · 3138 days ago · 9 km deep · 10 km away
  6. 2.012 km W of Clayton, Idaho · 3137 days ago · 7 km deep · 10 km away
  7. 1.814 km W of Clayton, Idaho · 3137 days ago · 6 km deep · 9 km away
  8. 1.814 km W of Clayton, Idaho · 3137 days ago · 6 km deep · 11 km away
  9. 1.848 km WNW of Challis, Idaho · 3124 days ago · 5 km deep · 54 km away
  10. 2.621 km E of Stanley, Idaho · 3124 days ago · 21 km deep · 2 km away
  11. 2.113 km W of Clayton, Idaho · 3124 days ago · 8 km deep · 11 km away
  12. 2.628 km SW of Stanley, Idaho · 3124 days ago · 5 km deep · 44 km away · felt by 3
  13. 1.911 km N of Stanley, Idaho · 3122 days ago · 10 km deep · 26 km away
  14. 1.611 km WNW of Clayton, Idaho · 3120 days ago · 7 km deep · 14 km away
  15. 2.414 km NW of Challis, Idaho · 3118 days ago · 5 km deep · 51 km away · felt by 2
  16. 1.77 km NNW of Challis, Idaho · 3116 days ago · 3 km deep · 51 km away
  17. 1.914 km W of Clayton, Idaho · 3107 days ago · 4 km deep · 10 km away
  18. 1.622 km NNW of Clayton, Idaho · 3107 days ago · 5 km deep · 29 km away
  19. 1.812 km W of Clayton, Idaho · 3098 days ago · 3 km deep · 12 km away
  20. 2.022 km SSE of Clayton, Idaho · 3097 days ago · 17 km deep · 34 km away

Before

  1. 1.714 km NW of Challis, Idaho · 3157 days ago · 3 km deep · 50 km away
  2. 1.913 km NW of Challis, Idaho · 3158 days ago · 16 km deep · 48 km away
  3. 2.021 km E of Stanley, Idaho · 3159 days ago · 7 km deep · 2 km away
  4. 1.713 km W of Clayton, Idaho · 3159 days ago · 3 km deep · 11 km away
  5. 1.820 km WSW of Clayton, Idaho · 3160 days ago · 11 km deep · 2 km away
  6. 2.318 km WSW of Clayton, Idaho · 3160 days ago · 7 km deep · 3 km away
  7. 2.516 km E of Stanley, Idaho · 3160 days ago · 5 km deep · 8 km away
  8. 2.59 km WNW of Clayton, Idaho · 3164 days ago · 10 km deep · 15 km away
  9. 2.520 km W of Clayton, Idaho · 3166 days ago · 10 km deep · 11 km away · felt by 3
  10. 2.013 km W of Clayton, Idaho · 3167 days ago · 3 km deep · 10 km away
  11. 1.810 km WNW of Clayton, Idaho · 3167 days ago · 9 km deep · 14 km away
  12. 2.310 km NNW of Stanley, Idaho · 3168 days ago · 7 km deep · 30 km away
  13. 2.026 km NNE of Lowman, Idaho · 3169 days ago · 7 km deep · 70 km away
  14. 2.213 km W of Clayton, Idaho · 3172 days ago · 13 km deep · 11 km away
  15. 2.211 km WSW of Challis, Idaho · 3183 days ago · 8 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80281049. Read Fri, Oct 2, 2026, 11:33 PM UTC.