Idaho earthquakes

M2.1 earthquake 22 km WNW of Clayton, Idaho

A magnitude 2.1 earthquake struck 22 km WNW of Clayton, Idaho on Thu, Oct 8, 2015, 6:03 AM MDT (12:03 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.0 8 km ESE of Challis, 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.1 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2015-10-08 12:03:41 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
44.352° N, 114.645° 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
±0.19
Depth from
From location
Station coverage gap
68°
Stations used
15

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.522 km WNW of Clayton, Idaho · 4015 days ago · 4 km deep · 1 km away
  2. 1.94 km NNW of Challis, Idaho · 4015 days ago · -1 km deep · 37 km away
  3. 2.014 km SE of Challis, Idaho · 4013 days ago · 10 km deep · 44 km away · felt by 1
  4. 1.929 km N of Sun Valley, Idaho · 4012 days ago · 10 km deep · 48 km away
  5. 1.814 km SE of Challis, Idaho · 4011 days ago · 11 km deep · 45 km away
  6. 1.632 km ESE of Clayton, Idaho · 4010 days ago · 4 km deep · 54 km away
  7. 2.113 km SE of Challis, Idaho · 4004 days ago · 10 km deep · 45 km away
  8. 1.722 km ESE of Challis, Idaho · 4003 days ago · 9 km deep · 53 km away
  9. 2.5southern Idaho · 4003 days ago · 4 km deep · 42 km away
  10. 2.07 km ESE of Challis, Idaho · 4002 days ago · 9 km deep · 43 km away
  11. 2.510 km ESE of Challis, Idaho · 4001 days ago · 11 km deep · 44 km away
  12. 3.08 km ESE of Challis, Idaho · 4000 days ago · 7 km deep · 42 km away · felt by 1
  13. 2.711 km NNW of Challis, Idaho · 3998 days ago · 4 km deep · 39 km away · felt by 1
  14. 2.110 km NNE of Stanley, Idaho · 3997 days ago · -1 km deep · 20 km away
  15. 2.411 km NNE of Stanley, Idaho · 3994 days ago · 8 km deep · 19 km away
  16. 1.615 km SE of Challis, Idaho · 3992 days ago · 6 km deep · 44 km away
  17. 1.914 km SE of Challis, Idaho · 3992 days ago · 9 km deep · 45 km away
  18. 1.832 km N of Mackay, Idaho · 3990 days ago · 10 km deep · 80 km away
  19. 1.65 km NNW of Challis, Idaho · 3990 days ago · -3 km deep · 38 km away
  20. 1.810 km NNE of Stanley, Idaho · 3984 days ago · -1 km deep · 19 km away
  21. 1.626 km SSW of Clayton, Idaho · 3982 days ago · 14 km deep · 39 km away
  22. 1.823 km NNW of Challis, Idaho · 3982 days ago · -3 km deep · 47 km away
  23. 2.021 km NNW of Challis, Idaho · 3978 days ago · 4 km deep · 47 km away
  24. 2.413 km ESE of Challis, Idaho · 3975 days ago · 11 km deep · 45 km away
  25. 2.013 km SE of Challis, Idaho · 3970 days ago · 7 km deep · 44 km away
  26. 1.611 km SE of Challis, Idaho · 3970 days ago · 4 km deep · 44 km away
  27. 1.911 km ESE of Challis, Idaho · 3964 days ago · 7 km deep · 44 km away
  28. 1.69 km NNW of Challis, Idaho · 3961 days ago · 5 km deep · 37 km away
  29. 1.919 km NW of Stanley, Idaho · 3959 days ago · 20 km deep · 37 km away
  30. 1.7southern Idaho · 3958 days ago · 3 km deep · 38 km away
  31. 1.612 km SE of Challis, Idaho · 3955 days ago · 5 km deep · 43 km away

Before

  1. 2.011 km SE of Challis, Idaho · 4019 days ago · 6 km deep · 43 km away
  2. 1.629 km N of Sun Valley, Idaho · 4021 days ago · 7 km deep · 47 km away
  3. 1.64 km NNW of Challis, Idaho · 4031 days ago · 8 km deep · 38 km away
  4. 1.8southern Idaho · 4031 days ago · 10 km deep · 38 km away
  5. 2.826 km W of Challis, Idaho · 4032 days ago · 5 km deep · 22 km away
  6. 1.914 km W of Clayton, Idaho · 4032 days ago · 6 km deep · 11 km away
  7. 1.513 km W of Clayton, Idaho · 4033 days ago · 10 km deep · 14 km away
  8. 2.013 km W of Clayton, Idaho · 4034 days ago · 9 km deep · 14 km away
  9. 3.310 km SE of Challis, Idaho · 4035 days ago · 10 km deep · 43 km away · felt by 4
  10. 2.030 km E of Clayton, Idaho · 4036 days ago · 5 km deep · 52 km away
  11. 1.913 km SE of Challis, Idaho · 4039 days ago · 13 km deep · 44 km away
  12. 2.524 km NW of Clayton, Idaho · 4042 days ago · 8 km deep · 4 km away
  13. 2.524 km SE of Challis, Idaho · 4044 days ago · 10 km deep · 48 km away

Earthquakes todayIdaho earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80100694. Read Mon, Oct 5, 2026, 6:19 AM UTC.