Idaho earthquakes

M1.9 earthquake 3 km NNW of Smiths Ferry, Idaho

A magnitude 1.9 earthquake struck 3 km NNW of Smiths Ferry, Idaho on Fri, Apr 10, 2015, 10:57 PM MDT (04:57 UTC), 11 km (7 mi) below the surface.

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

A larger quake followed: M3.0 12 km NNE of Stanley, Idaho. This one was a foreshock.

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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
2015-04-11 04:57:40 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
44.333° N, 116.106° 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 4.6 km horizontally, 11.4 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
130°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.815 km NW of Banks, Idaho · 4193 days ago · 8 km deep · 22 km away
  2. 1.511 km WSW of Smiths Ferry, Idaho · 4188 days ago · 33 km deep · 12 km away
  3. 2.832 km ENE of Halfway, Oregon · 4180 days ago · 5 km deep · 87 km away · felt by 2
  4. 2.311 km NNE of Stanley, Idaho · 4174 days ago · 13 km deep · 99 km away
  5. 1.910 km NNE of Stanley, Idaho · 4172 days ago · 11 km deep · 98 km away
  6. 2.010 km NE of Stanley, Idaho · 4171 days ago · 8 km deep · 99 km away
  7. 1.811 km NNE of Stanley, Idaho · 4167 days ago · 11 km deep · 99 km away
  8. 2.410 km NNE of Stanley, Idaho · 4166 days ago · 11 km deep · 97 km away
  9. 1.911 km NNE of Stanley, Idaho · 4166 days ago · 9 km deep · 98 km away
  10. 2.710 km NNE of Stanley, Idaho · 4166 days ago · 13 km deep · 98 km away
  11. 2.08 km NNE of Stanley, Idaho · 4166 days ago · 10 km deep · 98 km away
  12. 2.010 km NE of Stanley, Idaho · 4166 days ago · 12 km deep · 99 km away
  13. 1.811 km NNE of Stanley, Idaho · 4166 days ago · 11 km deep · 97 km away
  14. 2.011 km NNE of Stanley, Idaho · 4166 days ago · 13 km deep · 98 km away
  15. 2.112 km NNE of Stanley, Idaho · 4165 days ago · 13 km deep · 98 km away
  16. 2.011 km NNE of Stanley, Idaho · 4165 days ago · 11 km deep · 98 km away
  17. 3.012 km NNE of Stanley, Idaho · 4165 days ago · 12 km deep · 97 km away · felt by 2
  18. 1.810 km NE of Stanley, Idaho · 4165 days ago · 13 km deep · 100 km away
  19. 1.911 km NNE of Stanley, Idaho · 4165 days ago · 12 km deep · 98 km away
  20. 2.111 km NNE of Stanley, Idaho · 4165 days ago · 14 km deep · 99 km away
  21. 2.612 km NNE of Stanley, Idaho · 4159 days ago · 18 km deep · 99 km away
  22. 3.011 km NNE of Stanley, Idaho · 4154 days ago · 13 km deep · 97 km away
  23. 2.04 km NNE of Donnelly, Idaho · 4142 days ago · 9 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15069406. Read Sat, Oct 3, 2026, 11:35 AM UTC.