Idaho earthquakes

M1.8 earthquake 10 km NE of Stanley, Idaho

A magnitude 1.8 earthquake struck 10 km NE of Stanley, Idaho on Sat, May 9, 2015, 7:16 AM MDT (13:16 UTC), 13 km (8 mi) below the surface.

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

A larger quake followed: M1.9 11 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
1.8 (mc), micro
Local time
UTC
2015-05-09 13:16:37 UTC
Depth
12.9 km (8.0 mi), shallow
Epicenter
44.294° N, 114.854° 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 1.1 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
68°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 1.911 km NNE of Stanley, Idaho · 4154 days ago · 12 km deep · 2 km away
  2. 2.111 km NNE of Stanley, Idaho · 4154 days ago · 14 km deep · 1 km away
  3. 2.612 km NNE of Stanley, Idaho · 4148 days ago · 18 km deep · 2 km away
  4. 3.312 km SE of Challis, Idaho · 4145 days ago · 6 km deep · 61 km away · felt by 2
  5. 3.011 km NNE of Stanley, Idaho · 4144 days ago · 13 km deep · 4 km away
  6. 2.012 km SE of Challis, Idaho · 4139 days ago · 10 km deep · 61 km away
  7. 1.98 km NW of Challis, Idaho · 4137 days ago · 8 km deep · 54 km away
  8. 2.311 km ESE of Challis, Idaho · 4136 days ago · 12 km deep · 62 km away
  9. 1.617 km S of Clayton, Idaho · 4132 days ago · 7 km deep · 39 km away
  10. 2.337 km NW of Challis, Idaho · 4126 days ago · 11 km deep · 55 km away
  11. 2.09 km NW of Challis, Idaho · 4126 days ago · 7 km deep · 54 km away
  12. 3.214 km SE of Challis, Idaho · 4125 days ago · 5 km deep · 63 km away
  13. 2.322 km NNE of Sun Valley, Idaho · 4123 days ago · 13 km deep · 64 km away
  14. 2.313 km WNW of Clayton, Idaho · 4122 days ago · 12 km deep · 23 km away
  15. 2.027 km SSW of Yellow Pine, Idaho · 4106 days ago · 10 km deep · 74 km away
  16. 2.413 km NW of Challis, Idaho · 4104 days ago · 5 km deep · 52 km away
  17. 2.413 km NW of Challis, Idaho · 4104 days ago · 5 km deep · 52 km away
  18. 2.38 km ESE of Challis, Idaho · 4098 days ago · 10 km deep · 60 km away
  19. 2.011 km SSE of Challis, Idaho · 4098 days ago · 13 km deep · 57 km away
  20. 1.810 km SE of Challis, Idaho · 4097 days ago · 8 km deep · 58 km away
  21. 2.38 km NW of Challis, Idaho · 4094 days ago · 5 km deep · 54 km away

Before

  1. 3.012 km NNE of Stanley, Idaho · 4154 days ago · 12 km deep · 4 km away · felt by 2
  2. 2.011 km NNE of Stanley, Idaho · 4154 days ago · 11 km deep · 3 km away
  3. 2.112 km NNE of Stanley, Idaho · 4155 days ago · 13 km deep · 3 km away
  4. 2.011 km NNE of Stanley, Idaho · 4155 days ago · 13 km deep · 3 km away
  5. 1.811 km NNE of Stanley, Idaho · 4155 days ago · 11 km deep · 3 km away
  6. 2.010 km NE of Stanley, Idaho · 4155 days ago · 12 km deep · 1 km away
  7. 2.08 km NNE of Stanley, Idaho · 4155 days ago · 10 km deep · 3 km away
  8. 2.710 km NNE of Stanley, Idaho · 4155 days ago · 13 km deep · 2 km away
  9. 1.911 km NNE of Stanley, Idaho · 4155 days ago · 9 km deep · 3 km away
  10. 2.410 km NNE of Stanley, Idaho · 4155 days ago · 11 km deep · 3 km away
  11. 1.811 km NNE of Stanley, Idaho · 4156 days ago · 11 km deep · 1 km away
  12. 2.99 km NW of Challis, Idaho · 4158 days ago · 7 km deep · 53 km away
  13. 2.010 km NE of Stanley, Idaho · 4160 days ago · 8 km deep · 1 km away
  14. 1.910 km NNE of Stanley, Idaho · 4161 days ago · 11 km deep · 1 km away
  15. 2.311 km NNE of Stanley, Idaho · 4163 days ago · 13 km deep · 1 km away
  16. 2.011 km SE of Challis, Idaho · 4163 days ago · 9 km deep · 59 km away
  17. 2.69 km NW of Challis, Idaho · 4165 days ago · 6 km deep · 52 km away
  18. 2.69 km NW of Challis, Idaho · 4165 days ago · 7 km deep · 53 km away · felt by 3
  19. 2.312 km NW of Challis, Idaho · 4165 days ago · 5 km deep · 52 km away
  20. 2.89 km NW of Challis, Idaho · 4166 days ago · 8 km deep · 54 km away · felt by 2

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15612839. Read Tue, Sep 22, 2026, 3:25 PM UTC.