Idaho earthquakes

M1.8 earthquake 24 km SSW of Clayton, Idaho

A magnitude 1.8 earthquake struck 24 km SSW of Clayton, Idaho on Thu, Dec 28, 2017, 12:14 AM MST (07:14 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.5 25 km E 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
1.8 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2017-12-28 07:14:21 UTC
Depth
8.4 km (5.2 mi), shallow
Epicenter
44.058° N, 114.525° 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 2.7 km horizontally, 6.8 km in depth
Magnitude uncertainty
±0.35
Depth from
From location
Station coverage gap
114°
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: 22 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.012 km W of Clayton, Idaho · 3199 days ago · 9 km deep · 24 km away
  2. 2.412 km E of Clayton, Idaho · 3189 days ago · 17 km deep · 32 km away
  3. 2.525 km E of Clayton, Idaho · 3189 days ago · 15 km deep · 40 km away
  4. 2.211 km WSW of Challis, Idaho · 3185 days ago · 8 km deep · 46 km away
  5. 2.213 km W of Clayton, Idaho · 3174 days ago · 13 km deep · 24 km away
  6. 2.026 km NNE of Lowman, Idaho · 3172 days ago · 7 km deep · 84 km away
  7. 2.310 km NNW of Stanley, Idaho · 3171 days ago · 7 km deep · 46 km away
  8. 1.810 km WNW of Clayton, Idaho · 3170 days ago · 9 km deep · 25 km away
  9. 2.013 km W of Clayton, Idaho · 3169 days ago · 3 km deep · 23 km away
  10. 2.520 km W of Clayton, Idaho · 3169 days ago · 10 km deep · 28 km away · felt by 3
  11. 2.59 km WNW of Clayton, Idaho · 3166 days ago · 10 km deep · 25 km away
  12. 2.516 km E of Stanley, Idaho · 3162 days ago · 5 km deep · 26 km away
  13. 2.318 km WSW of Clayton, Idaho · 3162 days ago · 7 km deep · 19 km away
  14. 1.820 km WSW of Clayton, Idaho · 3162 days ago · 11 km deep · 17 km away
  15. 1.713 km W of Clayton, Idaho · 3161 days ago · 3 km deep · 25 km away
  16. 2.021 km E of Stanley, Idaho · 3161 days ago · 7 km deep · 18 km away
  17. 1.913 km NW of Challis, Idaho · 3160 days ago · 16 km deep · 59 km away
  18. 1.714 km NW of Challis, Idaho · 3159 days ago · 3 km deep · 61 km away
  19. 1.921 km WSW of Clayton, Idaho · 3159 days ago · 9 km deep · 18 km away
  20. 2.213 km W of Clayton, Idaho · 3157 days ago · 16 km deep · 22 km away
  21. 2.317 km W of Clayton, Idaho · 3157 days ago · 5 km deep · 23 km away
  22. 2.212 km W of Clayton, Idaho · 3155 days ago · 10 km deep · 23 km away

Before

  1. 2.76 km WNW of Clayton, Idaho · 3210 days ago · 10 km deep · 26 km away · felt by 2
  2. 2.110 km W of Clayton, Idaho · 3213 days ago · 10 km deep · 21 km away
  3. 1.812 km SE of Challis, Idaho · 3223 days ago · 5 km deep · 52 km away
  4. 2.122 km SSW of Clayton, Idaho · 3227 days ago · 13 km deep · 4 km away
  5. 1.921 km SSW of Clayton, Idaho · 3228 days ago · 7 km deep · 3 km away
  6. 1.822 km SSW of Clayton, Idaho · 3230 days ago · 6 km deep · 2 km away
  7. 2.322 km SSW of Clayton, Idaho · 3230 days ago · 11 km deep · 3 km away
  8. 2.021 km SSW of Clayton, Idaho · 3230 days ago · 6 km deep · 3 km away
  9. 2.023 km SSW of Clayton, Idaho · 3230 days ago · 14 km deep · 4 km away
  10. 1.822 km SSW of Clayton, Idaho · 3230 days ago · 8 km deep · 2 km away
  11. 2.316 km S of Clayton, Idaho · 3231 days ago · 10 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80276264. Read Mon, Oct 5, 2026, 9:32 AM UTC.