Idaho earthquakes

M2.5 earthquake 6 km SE of Challis, Idaho

A magnitude 2.5 earthquake struck 6 km SE of Challis, Idaho on Tue, Dec 23, 2014, 8:21 AM MST (15:21 UTC), 8 km (5 mi) below the surface.

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

A larger quake followed: M3.7 8 km SE 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
2.5 (mc), micro
Local time
UTC
2014-12-23 15:21:38 UTC
Depth
8.4 km (5.2 mi), shallow
Epicenter
44.461° N, 114.170° 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 1.4 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
76°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.412 km SE of Challis, Idaho · 4291 days ago · 14 km deep · 6 km away
  2. 2.310 km SE of Challis, Idaho · 4291 days ago · 12 km deep · 4 km away
  3. 3.78 km SE of Challis, Idaho · 4291 days ago · 10 km deep · 2 km away · felt by 3
  4. 2.06 km SE of Challis, Idaho · 4290 days ago · 10 km deep · 1 km away
  5. 2.111 km SE of Challis, Idaho · 4288 days ago · 13 km deep · 4 km away
  6. 2.343 km NNW of Stanley, Idaho · 4287 days ago · 13 km deep · 75 km away
  7. 2.58 km SE of Challis, Idaho · 4286 days ago · 10 km deep · 1 km away
  8. 3.38 km SE of Challis, Idaho · 4285 days ago · 11 km deep · 2 km away · felt by 3
  9. 2.129 km ESE of Clayton, Idaho · 4284 days ago · 14 km deep · 31 km away
  10. 2.49 km SE of Challis, Idaho · 4284 days ago · 12 km deep · 3 km away
  11. 2.39 km SE of Challis, Idaho · 4284 days ago · 12 km deep · 3 km away
  12. 2.245 km WSW of Salmon, Idaho · 4281 days ago · 27 km deep · 68 km away
  13. 5.09 km E of Challis, Idaho · 4280 days ago · 9 km deep · 7 km away · felt by 569
  14. 2.19 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 2 km away
  15. 2.410 km SE of Challis, Idaho · 4280 days ago · 13 km deep · 3 km away
  16. 3.19 km SE of Challis, Idaho · 4280 days ago · 14 km deep · 3 km away · felt by 2
  17. 2.812 km SE of Challis, Idaho · 4280 days ago · 8 km deep · 6 km away
  18. 2.87 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 1 km away
  19. 2.48 km SE of Challis, Idaho · 4280 days ago · 13 km deep · 2 km away
  20. 2.110 km SE of Challis, Idaho · 4280 days ago · 11 km deep · 4 km away
  21. 2.18 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 2 km away
  22. 2.610 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 4 km away · felt by 2
  23. 2.09 km SE of Challis, Idaho · 4280 days ago · 11 km deep · 3 km away
  24. 3.39 km SE of Challis, Idaho · 4280 days ago · 14 km deep · 3 km away · felt by 3
  25. 3.19 km SE of Challis, Idaho · 4280 days ago · 13 km deep · 3 km away
  26. 2.110 km SE of Challis, Idaho · 4280 days ago · 13 km deep · 4 km away
  27. 3.08 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 2 km away · felt by 4
  28. 3.010 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 3 km away
  29. 3.310 km SE of Challis, Idaho · 4280 days ago · 13 km deep · 3 km away · felt by 5
  30. 2.28 km SE of Challis, Idaho · 4280 days ago · 11 km deep · 1 km away
  31. 2.87 km SE of Challis, Idaho · 4280 days ago · 10 km deep · 1 km away
  32. 3.59 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 3 km away
  33. 2.77 km SE of Challis, Idaho · 4280 days ago · 10 km deep · 1 km away
  34. 2.610 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 4 km away
  35. 3.07 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 1 km away · felt by 7
  36. 2.110 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 3 km away
  37. 2.1southern Idaho · 4280 days ago · 9 km deep · 1 km away
  38. 2.37 km SE of Challis, Idaho · 4280 days ago · 11 km deep · 1 km away
  39. 3.69 km SE of Challis, Idaho · 4280 days ago · 11 km deep · 2 km away · felt by 3
  40. 2.78 km SE of Challis, Idaho · 4280 days ago · 11 km deep · 2 km away
  41. 3.85 km ESE of Challis, Idaho · 4280 days ago · 11 km deep · 2 km away · felt by 9
  42. 2.38 km SE of Challis, Idaho · 4280 days ago · 11 km deep · 2 km away
  43. 2.57 km SE of Challis, Idaho · 4280 days ago · 9 km deep · 1 km away · felt by 1
  44. 3.86 km SE of Challis, Idaho · 4279 days ago · 12 km deep · 0 km away · felt by 1
  45. 3.75 km ESE of Challis, Idaho · 4279 days ago · 6 km deep · 2 km away · felt by 13
  46. 2.88 km SE of Challis, Idaho · 4279 days ago · 10 km deep · 1 km away
  47. 2.711 km SE of Challis, Idaho · 4279 days ago · 13 km deep · 5 km away
  48. 2.412 km SE of Challis, Idaho · 4279 days ago · 13 km deep · 6 km away
  49. 2.59 km SE of Challis, Idaho · 4279 days ago · 11 km deep · 3 km away
  50. 1.910 km SE of Challis, Idaho · 4279 days ago · 9 km deep · 3 km away
  51. 2.112 km SE of Challis, Idaho · 4279 days ago · 11 km deep · 6 km away
  52. 2.112 km SE of Challis, Idaho · 4279 days ago · 13 km deep · 6 km away
  53. 2.311 km SE of Challis, Idaho · 4279 days ago · 13 km deep · 5 km away
  54. 2.77 km SE of Challis, Idaho · 4278 days ago · 10 km deep · 1 km away · felt by 1
  55. 1.914 km SE of Challis, Idaho · 4278 days ago · 11 km deep · 7 km away
  56. 2.310 km SE of Challis, Idaho · 4278 days ago · 11 km deep · 4 km away
  57. 2.29 km SE of Challis, Idaho · 4278 days ago · 10 km deep · 3 km away
  58. 2.69 km SE of Challis, Idaho · 4277 days ago · 9 km deep · 2 km away
  59. 2.113 km NW of Challis, Idaho · 4277 days ago · 7 km deep · 20 km away
  60. 2.28 km SE of Challis, Idaho · 4277 days ago · 13 km deep · 1 km away

The first 60 of 106.

Before

  1. 2.69 km SE of Challis, Idaho · 4291 days ago · 11 km deep · 2 km away
  2. 2.58 km SE of Challis, Idaho · 4291 days ago · 12 km deep · 1 km away
  3. 3.87 km SE of Challis, Idaho · 4291 days ago · 11 km deep · 1 km away · felt by 2
  4. 2.78 km SE of Challis, Idaho · 4291 days ago · 11 km deep · 2 km away
  5. 3.911 km SSE of Challis, Idaho · 4291 days ago · 7 km deep · 5 km away · felt by 1
  6. 3.78 km SE of Challis, Idaho · 4291 days ago · 10 km deep · 2 km away
  7. 3.48 km SE of Challis, Idaho · 4291 days ago · 10 km deep · 1 km away
  8. 3.39 km SE of Challis, Idaho · 4292 days ago · 12 km deep · 3 km away · felt by 1
  9. 2.49 km SE of Challis, Idaho · 4292 days ago · 14 km deep · 3 km away
  10. 2.48 km SE of Challis, Idaho · 4292 days ago · 11 km deep · 1 km away
  11. 2.78 km SE of Challis, Idaho · 4292 days ago · 11 km deep · 1 km away
  12. 3.76 km ESE of Challis, Idaho · 4292 days ago · 9 km deep · 1 km away · felt by 7

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb14804778. Read Tue, Sep 22, 2026, 9:33 PM UTC.