Idaho earthquakes

M2.2 earthquake 38 km NNE of Challis, Idaho

A magnitude 2.2 earthquake struck 38 km NNE of Challis, Idaho on Sat, Jul 25, 2015, 6:05 AM MDT (12:05 UTC), 14 km (9 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M2.3 11 km NW 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.

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The earthquake

Magnitude
2.2 (mc), micro
Local time
UTC
2015-07-25 12:05:45 UTC
Depth
13.7 km (8.5 mi), shallow
Epicenter
44.802° N, 113.992° W
Region
Idaho
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Location uncertainty
About 0.8 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
76°
Stations used
20

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 13 in the 30 days before it.

After

  1. 2.311 km NW of Challis, Idaho · 4075 days ago · 11 km deep · 35 km away
  2. 2.010 km NW of Challis, Idaho · 4075 days ago · 9 km deep · 35 km away
  3. 1.630 km WNW of Mackay, Idaho · 4057 days ago · 12 km deep · 83 km away
  4. 1.96 km NW of Challis, Idaho · 4055 days ago · 4 km deep · 37 km away
  5. 1.87 km NW of Challis, Idaho · 4054 days ago · 6 km deep · 37 km away
  6. 2.09 km NNE of Stanley, Idaho · 4053 days ago · 13 km deep · 90 km away
  7. 1.68 km NE of Stanley, Idaho · 4053 days ago · 6 km deep · 91 km away
  8. 2.121 km E of Challis, Idaho · 4051 days ago · 13 km deep · 36 km away
  9. 2.15 km NNW of Challis, Idaho · 4050 days ago · 11 km deep · 35 km away
  10. 1.910 km SE of Challis, Idaho · 4049 days ago · 11 km deep · 41 km away
  11. 2.339 km NNW of Challis, Idaho · 4048 days ago · 15 km deep · 34 km away
  12. 2.711 km SE of Challis, Idaho · 4039 days ago · 5 km deep · 42 km away · felt by 1
  13. 2.315 km SE of Challis, Idaho · 4039 days ago · 7 km deep · 44 km away
  14. 2.712 km SE of Challis, Idaho · 4039 days ago · 6 km deep · 42 km away
  15. 2.615 km SE of Challis, Idaho · 4039 days ago · 5 km deep · 45 km away
  16. 1.913 km SE of Challis, Idaho · 4039 days ago · 9 km deep · 44 km away
  17. 1.636 km SSW of Salmon, Idaho · 4039 days ago · 10 km deep · 16 km away
  18. 1.515 km SE of Challis, Idaho · 4038 days ago · 7 km deep · 44 km away
  19. 2.138 km NE of Yellow Pine, Idaho · 4036 days ago · 5 km deep · 96 km away
  20. 1.912 km ESE of Challis, Idaho · 4034 days ago · 4 km deep · 41 km away
  21. 2.411 km SE of Challis, Idaho · 4033 days ago · 11 km deep · 41 km away
  22. 2.524 km SE of Challis, Idaho · 4032 days ago · 10 km deep · 53 km away
  23. 2.524 km NW of Clayton, Idaho · 4030 days ago · 8 km deep · 70 km away
  24. 1.913 km SE of Challis, Idaho · 4026 days ago · 13 km deep · 43 km away
  25. 2.030 km E of Clayton, Idaho · 4024 days ago · 5 km deep · 65 km away
  26. 3.310 km SE of Challis, Idaho · 4023 days ago · 10 km deep · 40 km away · felt by 4
  27. 2.013 km W of Clayton, Idaho · 4021 days ago · 9 km deep · 77 km away
  28. 1.513 km W of Clayton, Idaho · 4021 days ago · 10 km deep · 78 km away
  29. 1.914 km W of Clayton, Idaho · 4019 days ago · 6 km deep · 76 km away
  30. 2.826 km W of Challis, Idaho · 4019 days ago · 5 km deep · 54 km away
  31. 1.8southern Idaho · 4019 days ago · 10 km deep · 35 km away
  32. 1.64 km NNW of Challis, Idaho · 4018 days ago · 8 km deep · 35 km away

Before

  1. 2.113 km SE of Challis, Idaho · 4078 days ago · 14 km deep · 42 km away
  2. 1.914 km SE of Challis, Idaho · 4078 days ago · 13 km deep · 43 km away
  3. 2.311 km SE of Challis, Idaho · 4078 days ago · 10 km deep · 41 km away
  4. 2.613 km NW of Challis, Idaho · 4080 days ago · 9 km deep · 35 km away
  5. 1.924 km ENE of Leadore, Idaho · 4086 days ago · 7 km deep · 74 km away
  6. 2.43 km ENE of Challis, Idaho · 4087 days ago · 11 km deep · 36 km away
  7. 1.919 km NW of Lima, Montana · 4091 days ago · 1 km deep · 97 km away
  8. 2.38 km NW of Challis, Idaho · 4094 days ago · 5 km deep · 36 km away
  9. 1.810 km SE of Challis, Idaho · 4098 days ago · 8 km deep · 43 km away
  10. 2.011 km SSE of Challis, Idaho · 4098 days ago · 13 km deep · 45 km away
  11. 2.38 km ESE of Challis, Idaho · 4098 days ago · 10 km deep · 39 km away
  12. 2.413 km NW of Challis, Idaho · 4104 days ago · 5 km deep · 37 km away
  13. 2.413 km NW of Challis, Idaho · 4104 days ago · 5 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15059980. Read Tue, Sep 22, 2026, 8:45 PM UTC.