Idaho earthquakes

M2.3 earthquake 53 km NW of Challis, Idaho

A magnitude 2.3 earthquake struck 53 km NW of Challis, Idaho on Wed, Jan 21, 2015, 7:23 AM MST (14:23 UTC), 10 km (6 mi) below the surface.

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

A larger quake followed: M3.7 22 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
2015-01-21 14:23:04 UTC
Depth
9.6 km (6.0 mi), shallow
Epicenter
44.779° N, 114.791° 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 1.7 km horizontally, 2.9 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
68°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 101 in the 30 days before it.

After

  1. 2.451 km WNW of Challis, Idaho · 4270 days ago · 12 km deep · 3 km away
  2. 3.622 km SE of Challis, Idaho · 4266 days ago · 13 km deep · 76 km away · felt by 3
  3. 2.315 km NNW of Challis, Idaho · 4263 days ago · 3 km deep · 40 km away
  4. 2.711 km ESE of Challis, Idaho · 4262 days ago · 12 km deep · 65 km away · felt by 1
  5. 2.711 km SE of Challis, Idaho · 4262 days ago · 11 km deep · 65 km away
  6. 2.38 km SE of Challis, Idaho · 4260 days ago · 13 km deep · 62 km away
  7. 2.324 km N of Challis, Idaho · 4260 days ago · 14 km deep · 48 km away
  8. 2.422 km SE of Challis, Idaho · 4259 days ago · 12 km deep · 76 km away
  9. 2.89 km SE of Challis, Idaho · 4254 days ago · 11 km deep · 64 km away
  10. 2.910 km SE of Challis, Idaho · 4254 days ago · 12 km deep · 64 km away · felt by 1
  11. 2.510 km SE of Challis, Idaho · 4254 days ago · 13 km deep · 64 km away
  12. 3.722 km SE of Challis, Idaho · 4252 days ago · 14 km deep · 75 km away
  13. 2.98 km SE of Challis, Idaho · 4252 days ago · 14 km deep · 63 km away · felt by 1
  14. 2.822 km SE of Challis, Idaho · 4252 days ago · 14 km deep · 75 km away
  15. 2.012 km SE of Challis, Idaho · 4250 days ago · 8 km deep · 66 km away
  16. 3.022 km SE of Challis, Idaho · 4247 days ago · 13 km deep · 76 km away
  17. 2.4southern Idaho · 4245 days ago · 13 km deep · 65 km away
  18. 2.0southern Idaho · 4232 days ago · 11 km deep · 64 km away
  19. 1.89 km SSE of McCall, Idaho · 4231 days ago · 16 km deep · 99 km away
  20. 3.09 km SE of Challis, Idaho · 4228 days ago · 14 km deep · 63 km away · felt by 2
  21. 2.810 km SE of Challis, Idaho · 4228 days ago · 12 km deep · 64 km away
  22. 3.111 km SE of Challis, Idaho · 4226 days ago · 11 km deep · 66 km away
  23. 1.910 km SE of Challis, Idaho · 4221 days ago · 13 km deep · 64 km away
  24. 2.511 km SE of Challis, Idaho · 4220 days ago · 11 km deep · 65 km away
  25. 2.314 km NW of Challis, Idaho · 4213 days ago · 5 km deep · 41 km away
  26. 2.09 km SE of Challis, Idaho · 4211 days ago · 12 km deep · 63 km away

Before

  1. 2.654 km NW of Challis, Idaho · 4271 days ago · 11 km deep · 0 km away
  2. 2.853 km NW of Challis, Idaho · 4271 days ago · 12 km deep · 1 km away
  3. 2.654 km NW of Challis, Idaho · 4271 days ago · 9 km deep · 1 km away
  4. 2.853 km NW of Challis, Idaho · 4271 days ago · 11 km deep · 1 km away
  5. 2.39 km SE of Challis, Idaho · 4275 days ago · 12 km deep · 64 km away
  6. 2.111 km SE of Challis, Idaho · 4275 days ago · 8 km deep · 65 km away
  7. 2.49 km SE of Challis, Idaho · 4276 days ago · 12 km deep · 64 km away
  8. 2.79 km SE of Challis, Idaho · 4276 days ago · 14 km deep · 63 km away
  9. 2.311 km SE of Challis, Idaho · 4276 days ago · 9 km deep · 65 km away
  10. 3.29 km SE of Challis, Idaho · 4276 days ago · 12 km deep · 63 km away
  11. 3.511 km SE of Challis, Idaho · 4276 days ago · 13 km deep · 65 km away · felt by 1
  12. 2.437 km NW of Challis, Idaho · 4276 days ago · 9 km deep · 19 km away
  13. 2.79 km SE of Challis, Idaho · 4277 days ago · 13 km deep · 63 km away
  14. 2.39 km SE of Challis, Idaho · 4277 days ago · 10 km deep · 63 km away
  15. 2.210 km SE of Challis, Idaho · 4277 days ago · 9 km deep · 64 km away
  16. 2.310 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 64 km away
  17. 2.210 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 64 km away
  18. 2.413 km NW of Challis, Idaho · 4280 days ago · 8 km deep · 41 km away
  19. 2.310 km SE of Challis, Idaho · 4280 days ago · 11 km deep · 64 km away
  20. 2.59 km SE of Challis, Idaho · 4280 days ago · 12 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15901667. Read Wed, Sep 30, 2026, 7:16 PM UTC.