Idaho earthquakes

M1.9 earthquake 11 km NNE of Stanley, Idaho

A magnitude 1.9 earthquake struck 11 km NNE of Stanley, Idaho on Sat, May 9, 2015, 12:02 PM MDT (18:02 UTC), 12 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
1.9 (Mc), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2015-05-09 18:02:03 UTC
Depth
12.3 km (7.6 mi), shallow
Epicenter
44.306° N, 114.869° 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 1.0 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
90°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 2.111 km NNE of Stanley, Idaho · 4166 days ago · 14 km deep · 1 km away
  2. 2.612 km NNE of Stanley, Idaho · 4161 days ago · 18 km deep · 1 km away
  3. 3.312 km SE of Challis, Idaho · 4158 days ago · 6 km deep · 62 km away · felt by 2
  4. 3.011 km NNE of Stanley, Idaho · 4156 days ago · 13 km deep · 2 km away
  5. 2.012 km SE of Challis, Idaho · 4151 days ago · 10 km deep · 62 km away
  6. 1.98 km NW of Challis, Idaho · 4150 days ago · 8 km deep · 54 km away
  7. 2.311 km ESE of Challis, Idaho · 4148 days ago · 12 km deep · 62 km away
  8. 1.617 km S of Clayton, Idaho · 4144 days ago · 7 km deep · 41 km away
  9. 2.337 km NW of Challis, Idaho · 4139 days ago · 11 km deep · 55 km away
  10. 2.09 km NW of Challis, Idaho · 4139 days ago · 7 km deep · 54 km away
  11. 3.214 km SE of Challis, Idaho · 4138 days ago · 5 km deep · 64 km away
  12. 2.322 km NNE of Sun Valley, Idaho · 4135 days ago · 13 km deep · 66 km away
  13. 2.313 km WNW of Clayton, Idaho · 4134 days ago · 12 km deep · 24 km away
  14. 2.027 km SSW of Yellow Pine, Idaho · 4119 days ago · 10 km deep · 73 km away
  15. 2.413 km NW of Challis, Idaho · 4117 days ago · 5 km deep · 52 km away
  16. 2.413 km NW of Challis, Idaho · 4116 days ago · 5 km deep · 52 km away
  17. 2.38 km ESE of Challis, Idaho · 4110 days ago · 10 km deep · 61 km away
  18. 2.011 km SSE of Challis, Idaho · 4110 days ago · 13 km deep · 58 km away
  19. 1.810 km SE of Challis, Idaho · 4110 days ago · 8 km deep · 59 km away
  20. 2.38 km NW of Challis, Idaho · 4107 days ago · 5 km deep · 54 km away

Before

  1. 1.810 km NE of Stanley, Idaho · 4167 days ago · 13 km deep · 2 km away
  2. 3.012 km NNE of Stanley, Idaho · 4167 days ago · 12 km deep · 2 km away · felt by 2
  3. 2.011 km NNE of Stanley, Idaho · 4167 days ago · 11 km deep · 1 km away
  4. 2.112 km NNE of Stanley, Idaho · 4167 days ago · 13 km deep · 1 km away
  5. 2.011 km NNE of Stanley, Idaho · 4167 days ago · 13 km deep · 1 km away
  6. 1.811 km NNE of Stanley, Idaho · 4167 days ago · 11 km deep · 1 km away
  7. 2.010 km NE of Stanley, Idaho · 4167 days ago · 12 km deep · 2 km away
  8. 2.08 km NNE of Stanley, Idaho · 4168 days ago · 10 km deep · 3 km away
  9. 2.710 km NNE of Stanley, Idaho · 4168 days ago · 13 km deep · 1 km away
  10. 1.911 km NNE of Stanley, Idaho · 4168 days ago · 9 km deep · 1 km away
  11. 2.410 km NNE of Stanley, Idaho · 4168 days ago · 11 km deep · 1 km away
  12. 1.811 km NNE of Stanley, Idaho · 4168 days ago · 11 km deep · 1 km away
  13. 2.99 km NW of Challis, Idaho · 4170 days ago · 7 km deep · 54 km away
  14. 2.010 km NE of Stanley, Idaho · 4173 days ago · 8 km deep · 1 km away
  15. 1.910 km NNE of Stanley, Idaho · 4174 days ago · 11 km deep · 1 km away
  16. 2.311 km NNE of Stanley, Idaho · 4176 days ago · 13 km deep · 1 km away
  17. 2.011 km SE of Challis, Idaho · 4176 days ago · 9 km deep · 59 km away
  18. 2.69 km NW of Challis, Idaho · 4178 days ago · 6 km deep · 53 km away
  19. 2.69 km NW of Challis, Idaho · 4178 days ago · 7 km deep · 53 km away · felt by 3
  20. 2.312 km NW of Challis, Idaho · 4178 days ago · 5 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15153165. Read Mon, Oct 5, 2026, 3:08 AM UTC.