Idaho earthquakes

M2.9 earthquake 10 km SE of Challis, Idaho

A magnitude 2.9 earthquake struck 10 km SE of Challis, Idaho on Fri, Feb 6, 2015, 12:52 PM MST (19:52 UTC), 12 km (7 mi) below the surface.

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
2.9 (md), micro
Local time
UTC
2015-02-06 19:52:52 UTC
Depth
11.9 km (7.4 mi), shallow
Epicenter
44.447° N, 114.134° W
Region
Idaho
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.7 km horizontally, 6.6 km in depth
Station coverage gap
53°
Stations used
31

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 35 in the 30 days before it.

After

  1. 2.510 km SE of Challis, Idaho · 4245 days ago · 13 km deep · 1 km away
  2. 3.722 km SE of Challis, Idaho · 4244 days ago · 14 km deep · 12 km away
  3. 2.98 km SE of Challis, Idaho · 4244 days ago · 14 km deep · 1 km away · felt by 1
  4. 2.822 km SE of Challis, Idaho · 4243 days ago · 14 km deep · 12 km away
  5. 2.012 km SE of Challis, Idaho · 4242 days ago · 8 km deep · 3 km away
  6. 1.925 km W of Lima, Montana · 4240 days ago · 2 km deep · 99 km away
  7. 3.022 km SE of Challis, Idaho · 4239 days ago · 13 km deep · 13 km away
  8. 2.4southern Idaho · 4237 days ago · 13 km deep · 3 km away
  9. 2.0southern Idaho · 4224 days ago · 11 km deep · 1 km away
  10. 3.09 km SE of Challis, Idaho · 4220 days ago · 14 km deep · 1 km away · felt by 2
  11. 2.810 km SE of Challis, Idaho · 4219 days ago · 12 km deep · 1 km away
  12. 3.111 km SE of Challis, Idaho · 4218 days ago · 11 km deep · 2 km away
  13. 1.910 km SE of Challis, Idaho · 4212 days ago · 13 km deep · 0 km away
  14. 2.511 km SE of Challis, Idaho · 4212 days ago · 11 km deep · 1 km away
  15. 2.314 km NW of Challis, Idaho · 4204 days ago · 5 km deep · 24 km away
  16. 2.09 km SE of Challis, Idaho · 4203 days ago · 12 km deep · 1 km away
  17. 2.012 km N of Challis, Idaho · 4195 days ago · 11 km deep · 20 km away
  18. 2.115 km NNW of Challis, Idaho · 4195 days ago · 4 km deep · 25 km away
  19. 2.08 km SE of Challis, Idaho · 4191 days ago · 12 km deep · 2 km away
  20. 2.518 km NE of Leadore, Idaho · 4190 days ago · 12 km deep · 85 km away
  21. 2.110 km SE of Challis, Idaho · 4189 days ago · 12 km deep · 2 km away

Before

  1. 2.89 km SE of Challis, Idaho · 4246 days ago · 11 km deep · 1 km away
  2. 2.422 km SE of Challis, Idaho · 4251 days ago · 12 km deep · 13 km away
  3. 2.324 km N of Challis, Idaho · 4252 days ago · 14 km deep · 31 km away
  4. 2.38 km SE of Challis, Idaho · 4252 days ago · 13 km deep · 2 km away
  5. 2.711 km SE of Challis, Idaho · 4254 days ago · 11 km deep · 1 km away
  6. 2.711 km ESE of Challis, Idaho · 4254 days ago · 12 km deep · 2 km away · felt by 1
  7. 2.315 km NNW of Challis, Idaho · 4255 days ago · 3 km deep · 25 km away
  8. 3.622 km SE of Challis, Idaho · 4257 days ago · 13 km deep · 13 km away · felt by 3
  9. 2.451 km WNW of Challis, Idaho · 4262 days ago · 12 km deep · 62 km away
  10. 2.353 km NW of Challis, Idaho · 4262 days ago · 10 km deep · 64 km away
  11. 2.654 km NW of Challis, Idaho · 4262 days ago · 11 km deep · 64 km away
  12. 2.853 km NW of Challis, Idaho · 4262 days ago · 12 km deep · 63 km away
  13. 2.654 km NW of Challis, Idaho · 4262 days ago · 9 km deep · 64 km away
  14. 2.853 km NW of Challis, Idaho · 4262 days ago · 11 km deep · 63 km away
  15. 2.39 km SE of Challis, Idaho · 4267 days ago · 12 km deep · 0 km away
  16. 2.111 km SE of Challis, Idaho · 4267 days ago · 8 km deep · 2 km away
  17. 2.49 km SE of Challis, Idaho · 4267 days ago · 12 km deep · 0 km away
  18. 2.79 km SE of Challis, Idaho · 4267 days ago · 14 km deep · 1 km away
  19. 2.311 km SE of Challis, Idaho · 4268 days ago · 9 km deep · 1 km away
  20. 3.29 km SE of Challis, Idaho · 4268 days ago · 12 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usc000tmtj (also filed as mb15046869). Read Tue, Sep 22, 2026, 11:13 AM UTC.