Idaho earthquakes

M2.0 earthquake 9 km NNE of Stanley, Idaho

A magnitude 2.0 earthquake struck 9 km NNE of Stanley, Idaho on Tue, Aug 18, 2015, 4:48 AM MDT (10:48 UTC), 13 km (8 mi) below the surface.

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

A larger quake followed: M3.3 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
2.0 (Mc), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2015-08-18 10:48:29 UTC
Depth
12.6 km (7.8 mi), shallow
Epicenter
44.291° N, 114.877° 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 1.6 km horizontally, 2.7 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
68°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.68 km NE of Stanley, Idaho · 4062 days ago · 6 km deep · 2 km away
  2. 2.121 km E of Challis, Idaho · 4059 days ago · 13 km deep · 75 km away
  3. 2.15 km NNW of Challis, Idaho · 4059 days ago · 11 km deep · 57 km away
  4. 1.910 km SE of Challis, Idaho · 4057 days ago · 11 km deep · 62 km away
  5. 2.339 km NNW of Challis, Idaho · 4056 days ago · 15 km deep · 71 km away
  6. 2.525 km ESE of Cascade, Idaho · 4056 days ago · 9 km deep · 72 km away
  7. 2.711 km SE of Challis, Idaho · 4048 days ago · 5 km deep · 62 km away · felt by 1
  8. 2.315 km SE of Challis, Idaho · 4047 days ago · 7 km deep · 64 km away
  9. 2.712 km SE of Challis, Idaho · 4047 days ago · 6 km deep · 64 km away
  10. 2.615 km SE of Challis, Idaho · 4047 days ago · 5 km deep · 64 km away
  11. 1.913 km SE of Challis, Idaho · 4047 days ago · 9 km deep · 62 km away
  12. 1.636 km SSW of Salmon, Idaho · 4047 days ago · 10 km deep · 89 km away
  13. 1.515 km SE of Challis, Idaho · 4047 days ago · 7 km deep · 65 km away
  14. 2.138 km NE of Yellow Pine, Idaho · 4045 days ago · 5 km deep · 100 km away
  15. 1.912 km ESE of Challis, Idaho · 4042 days ago · 4 km deep · 64 km away
  16. 2.411 km SE of Challis, Idaho · 4041 days ago · 11 km deep · 63 km away
  17. 1.831 km ESE of Cascade, Idaho · 4041 days ago · 13 km deep · 65 km away
  18. 2.524 km SE of Challis, Idaho · 4040 days ago · 10 km deep · 66 km away
  19. 2.524 km NW of Clayton, Idaho · 4038 days ago · 8 km deep · 20 km away
  20. 1.913 km SE of Challis, Idaho · 4035 days ago · 13 km deep · 64 km away
  21. 2.030 km E of Clayton, Idaho · 4032 days ago · 5 km deep · 69 km away
  22. 3.310 km SE of Challis, Idaho · 4031 days ago · 10 km deep · 63 km away · felt by 4
  23. 2.013 km W of Clayton, Idaho · 4030 days ago · 9 km deep · 25 km away
  24. 1.513 km W of Clayton, Idaho · 4029 days ago · 10 km deep · 25 km away
  25. 1.914 km W of Clayton, Idaho · 4028 days ago · 6 km deep · 24 km away
  26. 2.826 km W of Challis, Idaho · 4028 days ago · 5 km deep · 38 km away
  27. 1.8southern Idaho · 4027 days ago · 10 km deep · 57 km away
  28. 1.64 km NNW of Challis, Idaho · 4027 days ago · 8 km deep · 57 km away
  29. 1.629 km N of Sun Valley, Idaho · 4017 days ago · 7 km deep · 53 km away
  30. 2.011 km SE of Challis, Idaho · 4015 days ago · 6 km deep · 63 km away
  31. 2.122 km WNW of Clayton, Idaho · 4011 days ago · 7 km deep · 20 km away
  32. 1.522 km WNW of Clayton, Idaho · 4010 days ago · 4 km deep · 19 km away
  33. 1.94 km NNW of Challis, Idaho · 4010 days ago · -1 km deep · 56 km away
  34. 2.014 km SE of Challis, Idaho · 4009 days ago · 10 km deep · 64 km away · felt by 1
  35. 1.929 km N of Sun Valley, Idaho · 4008 days ago · 10 km deep · 54 km away
  36. 1.814 km SE of Challis, Idaho · 4007 days ago · 11 km deep · 64 km away
  37. 1.632 km ESE of Clayton, Idaho · 4006 days ago · 4 km deep · 71 km away

Before

  1. 1.87 km NW of Challis, Idaho · 4063 days ago · 6 km deep · 54 km away
  2. 1.96 km NW of Challis, Idaho · 4063 days ago · 4 km deep · 55 km away
  3. 2.225 km ESE of Cascade, Idaho · 4065 days ago · 11 km deep · 71 km away
  4. 1.630 km WNW of Mackay, Idaho · 4065 days ago · 12 km deep · 79 km away
  5. 2.19 km NNE of Cascade, Idaho · 4066 days ago · 6 km deep · 94 km away
  6. 2.010 km NW of Challis, Idaho · 4083 days ago · 9 km deep · 55 km away
  7. 2.311 km NW of Challis, Idaho · 4083 days ago · 11 km deep · 56 km away
  8. 2.238 km NNE of Challis, Idaho · 4086 days ago · 14 km deep · 90 km away
  9. 2.113 km SE of Challis, Idaho · 4086 days ago · 14 km deep · 64 km away
  10. 1.914 km SE of Challis, Idaho · 4086 days ago · 13 km deep · 63 km away
  11. 2.311 km SE of Challis, Idaho · 4087 days ago · 10 km deep · 63 km away
  12. 2.613 km NW of Challis, Idaho · 4088 days ago · 9 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15912484. Read Thu, Oct 1, 2026, 3:55 AM UTC.