Idaho earthquakes

M2.0 earthquake 8 km SE of Challis, Idaho

A magnitude 2.0 earthquake struck 8 km SE of Challis, Idaho on Thu, Apr 2, 2015, 6:24 AM MDT (12:24 UTC), 12 km (7 mi) below the surface.

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

A larger quake followed: M3.3 12 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
2015-04-02 12:24:43 UTC
Depth
11.9 km (7.4 mi), shallow
Epicenter
44.451° N, 114.163° 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 0.7 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
54°
Stations used
19

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 9 in the 30 days before it.

After

  1. 2.518 km NE of Leadore, Idaho · 4200 days ago · 12 km deep · 87 km away
  2. 2.110 km SE of Challis, Idaho · 4198 days ago · 12 km deep · 3 km away
  3. 1.623 km SW of Leadore, Idaho · 4192 days ago · 13 km deep · 48 km away
  4. 2.67 km SE of Challis, Idaho · 4182 days ago · 12 km deep · 1 km away
  5. 2.337 km NW of Challis, Idaho · 4181 days ago · 11 km deep · 45 km away
  6. 1.923 km SW of Leadore, Idaho · 4176 days ago · 11 km deep · 48 km away
  7. 2.116 km W of Clayton, Idaho · 4175 days ago · 11 km deep · 41 km away
  8. 2.89 km NW of Challis, Idaho · 4175 days ago · 8 km deep · 18 km away · felt by 2
  9. 2.312 km NW of Challis, Idaho · 4175 days ago · 5 km deep · 20 km away
  10. 2.69 km NW of Challis, Idaho · 4175 days ago · 7 km deep · 17 km away · felt by 3
  11. 2.69 km NW of Challis, Idaho · 4175 days ago · 6 km deep · 17 km away
  12. 2.011 km SE of Challis, Idaho · 4173 days ago · 9 km deep · 3 km away
  13. 2.311 km NNE of Stanley, Idaho · 4173 days ago · 13 km deep · 58 km away
  14. 1.910 km NNE of Stanley, Idaho · 4171 days ago · 11 km deep · 59 km away
  15. 2.010 km NE of Stanley, Idaho · 4170 days ago · 8 km deep · 58 km away
  16. 2.99 km NW of Challis, Idaho · 4167 days ago · 7 km deep · 17 km away
  17. 1.811 km NNE of Stanley, Idaho · 4166 days ago · 11 km deep · 58 km away
  18. 2.410 km NNE of Stanley, Idaho · 4165 days ago · 11 km deep · 60 km away
  19. 1.911 km NNE of Stanley, Idaho · 4165 days ago · 9 km deep · 59 km away
  20. 2.710 km NNE of Stanley, Idaho · 4165 days ago · 13 km deep · 59 km away
  21. 2.08 km NNE of Stanley, Idaho · 4165 days ago · 10 km deep · 60 km away
  22. 2.010 km NE of Stanley, Idaho · 4165 days ago · 12 km deep · 59 km away
  23. 1.811 km NNE of Stanley, Idaho · 4165 days ago · 11 km deep · 59 km away
  24. 2.011 km NNE of Stanley, Idaho · 4164 days ago · 13 km deep · 59 km away
  25. 2.112 km NNE of Stanley, Idaho · 4164 days ago · 13 km deep · 59 km away
  26. 2.011 km NNE of Stanley, Idaho · 4164 days ago · 11 km deep · 59 km away
  27. 3.012 km NNE of Stanley, Idaho · 4164 days ago · 12 km deep · 59 km away · felt by 2
  28. 1.810 km NE of Stanley, Idaho · 4164 days ago · 13 km deep · 58 km away
  29. 1.911 km NNE of Stanley, Idaho · 4164 days ago · 12 km deep · 58 km away
  30. 2.111 km NNE of Stanley, Idaho · 4164 days ago · 14 km deep · 58 km away
  31. 2.612 km NNE of Stanley, Idaho · 4158 days ago · 18 km deep · 57 km away
  32. 3.312 km SE of Challis, Idaho · 4155 days ago · 6 km deep · 5 km away · felt by 2
  33. 3.011 km NNE of Stanley, Idaho · 4153 days ago · 13 km deep · 59 km away
  34. 2.012 km SE of Challis, Idaho · 4148 days ago · 10 km deep · 5 km away
  35. 1.98 km NW of Challis, Idaho · 4147 days ago · 8 km deep · 17 km away
  36. 2.311 km ESE of Challis, Idaho · 4146 days ago · 12 km deep · 4 km away
  37. 1.617 km S of Clayton, Idaho · 4141 days ago · 7 km deep · 45 km away

Before

  1. 2.115 km NNW of Challis, Idaho · 4205 days ago · 4 km deep · 24 km away
  2. 2.012 km N of Challis, Idaho · 4205 days ago · 11 km deep · 19 km away
  3. 2.09 km SE of Challis, Idaho · 4212 days ago · 12 km deep · 2 km away
  4. 2.314 km NW of Challis, Idaho · 4214 days ago · 5 km deep · 22 km away
  5. 2.511 km SE of Challis, Idaho · 4222 days ago · 11 km deep · 3 km away
  6. 1.910 km SE of Challis, Idaho · 4222 days ago · 13 km deep · 3 km away
  7. 3.111 km SE of Challis, Idaho · 4227 days ago · 11 km deep · 4 km away
  8. 2.810 km SE of Challis, Idaho · 4229 days ago · 12 km deep · 3 km away
  9. 3.09 km SE of Challis, Idaho · 4230 days ago · 14 km deep · 2 km away · felt by 2

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15426872. Read Fri, Oct 2, 2026, 7:22 AM UTC.