Idaho earthquakes

M2.6 earthquake 6 km NNW of Challis, Idaho

A magnitude 2.6 earthquake struck 6 km NNW of Challis, Idaho on Fri, Dec 11, 2015, 1:15 AM MST (08:15 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.8 10 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
2.6 (ml), micro
Local time
UTC
2015-12-11 08:15:47 UTC
Depth
8.0 km (4.9 mi), shallow
Epicenter
44.554° N, 114.265° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.0 km horizontally, 7.8 km in depth
Magnitude uncertainty
±0.16
Station coverage gap
82°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 60 in the 60 days after this one and 53 in the 30 days before it.

After

  1. 2.46 km NNW of Challis, Idaho · 3940 days ago · 8 km deep · 1 km away
  2. 2.25 km NNW of Challis, Idaho · 3940 days ago · 8 km deep · 1 km away
  3. 1.75 km NNW of Challis, Idaho · 3940 days ago · 9 km deep · 1 km away
  4. 1.85 km NNW of Challis, Idaho · 3940 days ago · 9 km deep · 1 km away
  5. 1.58 km NW of Challis, Idaho · 3939 days ago · 4 km deep · 3 km away
  6. 1.75 km NNW of Challis, Idaho · 3939 days ago · 5 km deep · 1 km away
  7. 2.06 km NNW of Challis, Idaho · 3939 days ago · 9 km deep · 1 km away
  8. 1.68 km SE of Challis, Idaho · 3938 days ago · 0 km deep · 14 km away
  9. 1.78 km NNW of Challis, Idaho · 3938 days ago · 5 km deep · 2 km away
  10. 2.110 km SE of Challis, Idaho · 3937 days ago · 5 km deep · 16 km away
  11. 1.725 km SE of Challis, Idaho · 3934 days ago · 5 km deep · 31 km away
  12. 2.328 km SE of Challis, Idaho · 3934 days ago · 12 km deep · 34 km away
  13. 1.525 km SE of Challis, Idaho · 3934 days ago · 5 km deep · 31 km away
  14. 1.816 km SE of Challis, Idaho · 3933 days ago · 5 km deep · 22 km away
  15. 1.627 km SE of Challis, Idaho · 3933 days ago · 1 km deep · 33 km away
  16. 1.625 km SE of Challis, Idaho · 3932 days ago · 5 km deep · 31 km away
  17. 2.025 km SE of Challis, Idaho · 3931 days ago · 5 km deep · 31 km away
  18. 1.512 km SE of Challis, Idaho · 3926 days ago · 5 km deep · 18 km away
  19. 2.16 km NNW of Challis, Idaho · 3925 days ago · 7 km deep · 1 km away
  20. 2.46 km NNW of Challis, Idaho · 3925 days ago · 6 km deep · 1 km away
  21. 2.16 km NNW of Challis, Idaho · 3925 days ago · 10 km deep · 1 km away
  22. 1.95 km NNW of Challis, Idaho · 3925 days ago · 8 km deep · 0 km away
  23. 1.86 km NNW of Challis, Idaho · 3924 days ago · 10 km deep · 0 km away
  24. 1.613 km SE of Challis, Idaho · 3924 days ago · 11 km deep · 19 km away
  25. 2.36 km SE of Salmon, Idaho · 3922 days ago · 13 km deep · 73 km away
  26. 1.65 km NW of Challis, Idaho · 3920 days ago · 0 km deep · 2 km away
  27. 1.55 km NNW of Challis, Idaho · 3920 days ago · 8 km deep · 0 km away
  28. 1.64 km NNW of Challis, Idaho · 3918 days ago · 5 km deep · 2 km away
  29. 1.86 km NNW of Challis, Idaho · 3918 days ago · 7 km deep · 1 km away
  30. 1.64 km NNW of Challis, Idaho · 3908 days ago · 5 km deep · 2 km away
  31. 2.313 km SE of Challis, Idaho · 3901 days ago · 7 km deep · 19 km away
  32. 3.810 km SE of Challis, Idaho · 3901 days ago · 8 km deep · 16 km away · felt by 8
  33. 1.614 km W of Challis, Idaho · 3899 days ago · 9 km deep · 13 km away
  34. 1.923 km WNW of Challis, Idaho · 3898 days ago · 1 km deep · 20 km away
  35. 2.123 km WNW of Challis, Idaho · 3898 days ago · 4 km deep · 20 km away
  36. 2.2southern Idaho · 3897 days ago · 6 km deep · 20 km away
  37. 1.723 km WNW of Challis, Idaho · 3897 days ago · 1 km deep · 20 km away
  38. 2.823 km WNW of Challis, Idaho · 3897 days ago · 6 km deep · 20 km away
  39. 1.822 km WNW of Challis, Idaho · 3897 days ago · 6 km deep · 19 km away
  40. 1.523 km SE of Challis, Idaho · 3896 days ago · 1 km deep · 29 km away
  41. 2.122 km WNW of Challis, Idaho · 3896 days ago · 6 km deep · 20 km away
  42. 1.723 km WNW of Challis, Idaho · 3896 days ago · 5 km deep · 20 km away
  43. 1.822 km WNW of Challis, Idaho · 3894 days ago · 7 km deep · 19 km away
  44. 1.619 km W of Challis, Idaho · 3893 days ago · 7 km deep · 17 km away
  45. 1.820 km W of Challis, Idaho · 3893 days ago · 6 km deep · 18 km away
  46. 1.79 km ESE of Challis, Idaho · 3893 days ago · 5 km deep · 15 km away
  47. 1.711 km NE of Challis, Idaho · 3891 days ago · 5 km deep · 12 km away
  48. 1.611 km ENE of Challis, Idaho · 3891 days ago · 5 km deep · 13 km away
  49. 1.612 km NE of Challis, Idaho · 3891 days ago · 3 km deep · 12 km away
  50. 2.013 km NE of Challis, Idaho · 3890 days ago · 5 km deep · 12 km away
  51. 1.614 km SE of Challis, Idaho · 3890 days ago · 5 km deep · 21 km away
  52. 1.822 km SE of Challis, Idaho · 3890 days ago · 1 km deep · 28 km away
  53. 1.7southern Idaho · 3889 days ago · 1 km deep · 28 km away
  54. 1.64 km NNW of Challis, Idaho · 3889 days ago · 5 km deep · 2 km away
  55. 2.32 km NNW of Challis, Idaho · 3888 days ago · 8 km deep · 4 km away
  56. 1.819 km SE of Challis, Idaho · 3887 days ago · 2 km deep · 25 km away
  57. 1.622 km WNW of Challis, Idaho · 3887 days ago · 5 km deep · 19 km away
  58. 1.822 km WNW of Challis, Idaho · 3887 days ago · 6 km deep · 19 km away
  59. 2.315 km W of Clayton, Idaho · 3881 days ago · 8 km deep · 41 km away
  60. 1.813 km SE of Challis, Idaho · 3880 days ago · 7 km deep · 19 km away

Before

  1. 1.65 km NW of Challis, Idaho · 3940 days ago · 6 km deep · 2 km away
  2. 2.0southern Idaho · 3940 days ago · 7 km deep · 0 km away
  3. 1.74 km NNW of Challis, Idaho · 3940 days ago · 5 km deep · 2 km away
  4. 2.25 km NNW of Challis, Idaho · 3940 days ago · 7 km deep · 1 km away
  5. 2.28 km NNW of Challis, Idaho · 3940 days ago · 4 km deep · 2 km away
  6. 3.55 km NW of Challis, Idaho · 3940 days ago · 7 km deep · 1 km away · felt by 4
  7. 2.76 km NW of Challis, Idaho · 3940 days ago · 7 km deep · 1 km away
  8. 2.26 km NNW of Challis, Idaho · 3941 days ago · 4 km deep · 0 km away
  9. 1.71 km NNE of Challis, Idaho · 3941 days ago · 9 km deep · 6 km away
  10. 2.55 km NNW of Challis, Idaho · 3941 days ago · 8 km deep · 0 km away · felt by 1
  11. 3.37 km NNW of Challis, Idaho · 3941 days ago · 6 km deep · 1 km away · felt by 1
  12. 2.03 km NNW of Challis, Idaho · 3941 days ago · 9 km deep · 3 km away
  13. 1.63 km N of Challis, Idaho · 3941 days ago · 5 km deep · 3 km away
  14. 1.93 km NNW of Challis, Idaho · 3941 days ago · 5 km deep · 3 km away
  15. 1.72 km NNW of Challis, Idaho · 3941 days ago · 6 km deep · 4 km away
  16. 2.25 km NNW of Challis, Idaho · 3941 days ago · 6 km deep · 0 km away
  17. 1.735 km NW of Mackay, Idaho · 3941 days ago · 5 km deep · 54 km away
  18. 1.63 km NNW of Challis, Idaho · 3941 days ago · 4 km deep · 3 km away
  19. 1.822 km SE of Challis, Idaho · 3941 days ago · 6 km deep · 28 km away
  20. 1.83 km NW of Challis, Idaho · 3942 days ago · 8 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20004gef (also filed as mb80113719). Read Thu, Sep 24, 2026, 1:05 PM UTC.