Idaho earthquakes

M1.7 earthquake 14 km NE of Challis, Idaho

A magnitude 1.7 earthquake struck 14 km NE of Challis, Idaho on Mon, Feb 29, 2016, 8:12 AM MST (15:12 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.6 14 km NE 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
1.7 (ml), micro
Local time
UTC
2016-02-29 15:12:49 UTC
Depth
-1.8 km (-1.1 mi), shallow
Epicenter
44.603° N, 114.108° W
Region
Idaho
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.0 km horizontally, 3.1 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
110°
Stations used
9

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 34 in the 30 days before it.

After

  1. 2.223 km WNW of Challis, Idaho · 3866 days ago · 7 km deep · 33 km away
  2. 2.013 km SE of Challis, Idaho · 3865 days ago · 5 km deep · 19 km away
  3. 1.622 km WNW of Challis, Idaho · 3865 days ago · 7 km deep · 31 km away
  4. 1.514 km W of Clayton, Idaho · 3865 days ago · 6 km deep · 55 km away
  5. 2.523 km W of Challis, Idaho · 3863 days ago · 1 km deep · 34 km away
  6. 1.714 km NE of Challis, Idaho · 3862 days ago · 5 km deep · 2 km away
  7. 1.822 km W of Challis, Idaho · 3859 days ago · 4 km deep · 33 km away
  8. 2.614 km NE of Challis, Idaho · 3854 days ago · 10 km deep · 1 km away
  9. 1.8southern Idaho · 3854 days ago · 7 km deep · 15 km away
  10. 1.525 km SE of Challis, Idaho · 3853 days ago · 5 km deep · 29 km away
  11. 2.2southern Idaho · 3853 days ago · 9 km deep · 1 km away
  12. 1.622 km WNW of Challis, Idaho · 3850 days ago · 3 km deep · 32 km away
  13. 1.917 km NNE of Challis, Idaho · 3849 days ago · 5 km deep · 4 km away · felt by 1
  14. 1.622 km WNW of Challis, Idaho · 3847 days ago · 5 km deep · 32 km away
  15. 1.639 km NNE of Leadore, Idaho · 3847 days ago · 5 km deep · 89 km away
  16. 1.510 km SE of Challis, Idaho · 3843 days ago · 5 km deep · 18 km away
  17. 1.629 km E of Clayton, Idaho · 3840 days ago · 5 km deep · 42 km away
  18. 1.722 km WNW of Challis, Idaho · 3840 days ago · 6 km deep · 33 km away
  19. 1.919 km NE of Challis, Idaho · 3832 days ago · 7 km deep · 4 km away
  20. 1.514 km NE of Challis, Idaho · 3817 days ago · 6 km deep · 1 km away
  21. 1.64 km NW of Challis, Idaho · 3813 days ago · 7 km deep · 16 km away
  22. 1.640 km NNW of Stanley, Idaho · 3808 days ago · 9 km deep · 76 km away
  23. 2.638 km NNW of Stanley, Idaho · 3808 days ago · 4 km deep · 76 km away

Before

  1. 1.623 km W of Challis, Idaho · 3866 days ago · 2 km deep · 34 km away
  2. 1.724 km WNW of Challis, Idaho · 3866 days ago · 8 km deep · 34 km away
  3. 2.122 km W of Challis, Idaho · 3866 days ago · 5 km deep · 32 km away
  4. 1.622 km WNW of Challis, Idaho · 3867 days ago · 4 km deep · 32 km away
  5. 2.114 km NE of Challis, Idaho · 3867 days ago · 5 km deep · 1 km away
  6. 1.722 km WNW of Challis, Idaho · 3868 days ago · 5 km deep · 32 km away
  7. 3.615 km NE of Challis, Idaho · 3868 days ago · 7 km deep · 2 km away · felt by 9
  8. 2.316 km NNE of Challis, Idaho · 3869 days ago · 6 km deep · 4 km away
  9. 2.022 km WNW of Challis, Idaho · 3870 days ago · 7 km deep · 33 km away
  10. 1.821 km W of Challis, Idaho · 3870 days ago · 3 km deep · 32 km away
  11. 3.314 km NNE of Challis, Idaho · 3870 days ago · 6 km deep · 3 km away · felt by 1
  12. 3.223 km WNW of Challis, Idaho · 3870 days ago · 7 km deep · 33 km away
  13. 1.823 km WNW of Challis, Idaho · 3872 days ago · 5 km deep · 33 km away
  14. 1.722 km WNW of Challis, Idaho · 3874 days ago · 7 km deep · 31 km away
  15. 2.223 km WNW of Challis, ID · 3874 days ago · 6 km deep · 33 km away
  16. 1.622 km W of Challis, Idaho · 3874 days ago · 5 km deep · 33 km away
  17. 1.914 km SE of Challis, Idaho · 3879 days ago · 7 km deep · 22 km away
  18. 1.512 km SE of Challis, Idaho · 3881 days ago · 6 km deep · 19 km away
  19. 1.810 km NW of Challis, Idaho · 3881 days ago · -1 km deep · 18 km away
  20. 1.920 km SE of Challis, Idaho · 3881 days ago · 3 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80127804. Read Wed, Sep 30, 2026, 8:54 PM UTC.