Idaho earthquakes

M2.5 earthquake 11 km SE of Challis, Idaho

A magnitude 2.5 earthquake struck 11 km SE of Challis, Idaho on Thu, Mar 12, 2015, 8:11 AM MDT (14:11 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.0 12 km NNE of Stanley, 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 (ml), micro
Local time
UTC
2015-03-12 14:11:49 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
44.436° N, 114.130° 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 3.7 km horizontally, 4.9 km in depth
Station coverage gap
143°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.314 km NW of Challis, Idaho · 4212 days ago · 5 km deep · 25 km away
  2. 2.09 km SE of Challis, Idaho · 4210 days ago · 12 km deep · 2 km away
  3. 2.012 km N of Challis, Idaho · 4203 days ago · 11 km deep · 22 km away
  4. 2.115 km NNW of Challis, Idaho · 4202 days ago · 4 km deep · 27 km away
  5. 2.08 km SE of Challis, Idaho · 4199 days ago · 12 km deep · 3 km away
  6. 2.518 km NE of Leadore, Idaho · 4198 days ago · 12 km deep · 85 km away
  7. 2.110 km SE of Challis, Idaho · 4196 days ago · 12 km deep · 2 km away
  8. 1.623 km SW of Leadore, Idaho · 4190 days ago · 13 km deep · 46 km away
  9. 2.67 km SE of Challis, Idaho · 4180 days ago · 12 km deep · 4 km away
  10. 2.337 km NW of Challis, Idaho · 4179 days ago · 11 km deep · 48 km away
  11. 1.923 km SW of Leadore, Idaho · 4173 days ago · 11 km deep · 46 km away
  12. 2.116 km W of Clayton, Idaho · 4173 days ago · 11 km deep · 42 km away
  13. 2.89 km NW of Challis, Idaho · 4173 days ago · 8 km deep · 21 km away · felt by 2
  14. 2.312 km NW of Challis, Idaho · 4173 days ago · 5 km deep · 23 km away
  15. 2.69 km NW of Challis, Idaho · 4173 days ago · 7 km deep · 20 km away · felt by 3
  16. 2.69 km NW of Challis, Idaho · 4173 days ago · 6 km deep · 20 km away
  17. 2.011 km SE of Challis, Idaho · 4171 days ago · 9 km deep · 1 km away
  18. 2.311 km NNE of Stanley, Idaho · 4171 days ago · 13 km deep · 60 km away
  19. 1.910 km NNE of Stanley, Idaho · 4169 days ago · 11 km deep · 61 km away
  20. 2.010 km NE of Stanley, Idaho · 4168 days ago · 8 km deep · 60 km away
  21. 2.99 km NW of Challis, Idaho · 4165 days ago · 7 km deep · 21 km away
  22. 1.811 km NNE of Stanley, Idaho · 4164 days ago · 11 km deep · 60 km away
  23. 2.410 km NNE of Stanley, Idaho · 4163 days ago · 11 km deep · 62 km away
  24. 1.911 km NNE of Stanley, Idaho · 4163 days ago · 9 km deep · 61 km away
  25. 2.710 km NNE of Stanley, Idaho · 4163 days ago · 13 km deep · 61 km away
  26. 2.08 km NNE of Stanley, Idaho · 4163 days ago · 10 km deep · 62 km away
  27. 2.010 km NE of Stanley, Idaho · 4163 days ago · 12 km deep · 61 km away
  28. 1.811 km NNE of Stanley, Idaho · 4162 days ago · 11 km deep · 62 km away
  29. 2.011 km NNE of Stanley, Idaho · 4162 days ago · 13 km deep · 61 km away
  30. 2.112 km NNE of Stanley, Idaho · 4162 days ago · 13 km deep · 61 km away
  31. 2.011 km NNE of Stanley, Idaho · 4162 days ago · 11 km deep · 61 km away
  32. 3.012 km NNE of Stanley, Idaho · 4162 days ago · 12 km deep · 62 km away · felt by 2
  33. 1.810 km NE of Stanley, Idaho · 4162 days ago · 13 km deep · 60 km away
  34. 1.911 km NNE of Stanley, Idaho · 4162 days ago · 12 km deep · 61 km away
  35. 2.111 km NNE of Stanley, Idaho · 4162 days ago · 14 km deep · 60 km away

Before

  1. 1.910 km SE of Challis, Idaho · 4220 days ago · 13 km deep · 1 km away
  2. 3.111 km SE of Challis, Idaho · 4225 days ago · 11 km deep · 1 km away
  3. 2.810 km SE of Challis, Idaho · 4227 days ago · 12 km deep · 1 km away
  4. 3.09 km SE of Challis, Idaho · 4228 days ago · 14 km deep · 2 km away · felt by 2
  5. 2.0southern Idaho · 4232 days ago · 11 km deep · 1 km away
  6. 2.4southern Idaho · 4245 days ago · 13 km deep · 2 km away
  7. 3.022 km SE of Challis, Idaho · 4247 days ago · 13 km deep · 11 km away
  8. 1.925 km W of Lima, Montana · 4248 days ago · 2 km deep · 99 km away
  9. 2.012 km SE of Challis, Idaho · 4249 days ago · 8 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10001m4u (also filed as mb15100236). Read Wed, Sep 30, 2026, 6:44 AM UTC.