Idaho earthquakes

M2.3 earthquake 11 km NNE of Stanley, Idaho

A magnitude 2.3 earthquake struck 11 km NNE of Stanley, Idaho on Thu, Apr 30, 2015, 3:24 AM MDT (09:24 UTC), 13 km (8 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
2.3 (mc), micro
Local time
UTC
2015-04-30 09:24:48 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
44.303° N, 114.861° 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, 0.9 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
83°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.910 km NNE of Stanley, Idaho · 4168 days ago · 11 km deep · 1 km away
  2. 2.010 km NE of Stanley, Idaho · 4167 days ago · 8 km deep · 1 km away
  3. 2.99 km NW of Challis, Idaho · 4165 days ago · 7 km deep · 53 km away
  4. 1.811 km NNE of Stanley, Idaho · 4163 days ago · 11 km deep · 0 km away
  5. 2.410 km NNE of Stanley, Idaho · 4162 days ago · 11 km deep · 2 km away
  6. 1.911 km NNE of Stanley, Idaho · 4162 days ago · 9 km deep · 2 km away
  7. 2.710 km NNE of Stanley, Idaho · 4162 days ago · 13 km deep · 1 km away
  8. 2.08 km NNE of Stanley, Idaho · 4162 days ago · 10 km deep · 3 km away
  9. 2.010 km NE of Stanley, Idaho · 4162 days ago · 12 km deep · 1 km away
  10. 1.811 km NNE of Stanley, Idaho · 4162 days ago · 11 km deep · 2 km away
  11. 2.011 km NNE of Stanley, Idaho · 4162 days ago · 13 km deep · 2 km away
  12. 2.112 km NNE of Stanley, Idaho · 4161 days ago · 13 km deep · 2 km away
  13. 2.011 km NNE of Stanley, Idaho · 4161 days ago · 11 km deep · 2 km away
  14. 3.012 km NNE of Stanley, Idaho · 4161 days ago · 12 km deep · 3 km away · felt by 2
  15. 1.810 km NE of Stanley, Idaho · 4161 days ago · 13 km deep · 1 km away
  16. 1.911 km NNE of Stanley, Idaho · 4161 days ago · 12 km deep · 1 km away
  17. 2.111 km NNE of Stanley, Idaho · 4161 days ago · 14 km deep · 0 km away
  18. 2.612 km NNE of Stanley, Idaho · 4155 days ago · 18 km deep · 1 km away
  19. 3.312 km SE of Challis, Idaho · 4152 days ago · 6 km deep · 62 km away · felt by 2
  20. 3.011 km NNE of Stanley, Idaho · 4150 days ago · 13 km deep · 2 km away
  21. 2.012 km SE of Challis, Idaho · 4146 days ago · 10 km deep · 61 km away
  22. 1.98 km NW of Challis, Idaho · 4144 days ago · 8 km deep · 54 km away
  23. 2.311 km ESE of Challis, Idaho · 4143 days ago · 12 km deep · 62 km away
  24. 1.617 km S of Clayton, Idaho · 4139 days ago · 7 km deep · 40 km away
  25. 2.337 km NW of Challis, Idaho · 4133 days ago · 11 km deep · 54 km away
  26. 2.09 km NW of Challis, Idaho · 4133 days ago · 7 km deep · 53 km away
  27. 3.214 km SE of Challis, Idaho · 4132 days ago · 5 km deep · 64 km away
  28. 2.322 km NNE of Sun Valley, Idaho · 4130 days ago · 13 km deep · 65 km away
  29. 2.313 km WNW of Clayton, Idaho · 4129 days ago · 12 km deep · 23 km away
  30. 2.027 km SSW of Yellow Pine, Idaho · 4113 days ago · 10 km deep · 73 km away
  31. 2.413 km NW of Challis, Idaho · 4111 days ago · 5 km deep · 51 km away
  32. 2.413 km NW of Challis, Idaho · 4111 days ago · 5 km deep · 51 km away

Before

  1. 2.011 km SE of Challis, Idaho · 4170 days ago · 9 km deep · 59 km away
  2. 2.69 km NW of Challis, Idaho · 4172 days ago · 6 km deep · 52 km away
  3. 2.69 km NW of Challis, Idaho · 4172 days ago · 7 km deep · 53 km away · felt by 3
  4. 2.312 km NW of Challis, Idaho · 4172 days ago · 5 km deep · 52 km away
  5. 2.89 km NW of Challis, Idaho · 4173 days ago · 8 km deep · 53 km away · felt by 2
  6. 2.116 km W of Clayton, Idaho · 4173 days ago · 11 km deep · 21 km away
  7. 2.337 km NW of Challis, Idaho · 4178 days ago · 11 km deep · 56 km away
  8. 2.67 km SE of Challis, Idaho · 4179 days ago · 12 km deep · 58 km away
  9. 1.93 km NNW of Smiths Ferry, Idaho · 4189 days ago · 11 km deep · 99 km away
  10. 2.110 km SE of Challis, Idaho · 4196 days ago · 12 km deep · 58 km away
  11. 2.08 km SE of Challis, Idaho · 4198 days ago · 12 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15804350. Read Tue, Sep 29, 2026, 12:39 PM UTC.