Wyoming earthquakes

M3.1 earthquake 11 km WNW of Hoback, Wyoming

A magnitude 3.1 earthquake struck 11 km WNW of Hoback, Wyoming on Wed, Aug 22, 2018, 6:17 AM MDT (12:17 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.3 17 km SW of Fairview, Wyoming. This one was a foreshock.

Hoback forecastMore in Wyoming

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.1 (ml), minor
Local time
UTC
2018-08-22 12:17:42 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
43.331° N, 110.915° W
Region
Wyoming
Felt reports
25
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

25 people 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 1.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
64°
Stations used
36

Nearest places

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

Nearby

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

After

  1. 1.813 km ENE of Soda Springs, Idaho · 2961 days ago · 10 km deep · 83 km away
  2. 2.613 km ENE of Soda Springs, Idaho · 2961 days ago · 5 km deep · 84 km away · felt by 1
  3. 1.713 km ENE of Soda Springs, Idaho · 2960 days ago · 9 km deep · 82 km away
  4. 2.511 km ENE of Soda Springs, Idaho · 2960 days ago · 9 km deep · 85 km away
  5. 2.615 km E of Soda Springs, Idaho · 2960 days ago · 7 km deep · 83 km away · felt by 2
  6. 2.411 km NNE of Soda Springs, Idaho · 2960 days ago · 10 km deep · 84 km away
  7. 1.814 km ENE of Soda Springs, Idaho · 2960 days ago · 8 km deep · 82 km away
  8. 1.515 km ENE of Soda Springs, Idaho · 2960 days ago · 6 km deep · 82 km away
  9. 1.714 km NE of Soda Springs, Idaho · 2956 days ago · 6 km deep · 80 km away
  10. 2.114 km ESE of Soda Springs, Idaho · 2956 days ago · 2 km deep · 91 km away
  11. 1.510 km NE of Soda Springs, Idaho · 2947 days ago · 13 km deep · 84 km away
  12. 2.09 km E of Soda Springs, Idaho · 2947 days ago · 5 km deep · 88 km away · felt by 1
  13. 1.710 km E of Soda Springs, Idaho · 2945 days ago · 3 km deep · 88 km away
  14. 1.637 km NNE of Bondurant, Wyoming · 2945 days ago · 6 km deep · 62 km away
  15. 3.010 km ESE of Soda Springs, Idaho · 2944 days ago · 10 km deep · 90 km away · felt by 13
  16. 2.25 km NE of Alpine Northeast, Wyoming · 2943 days ago · -3 km deep · 11 km away
  17. 1.56 km NNW of Georgetown, Idaho · 2935 days ago · 3 km deep · 97 km away
  18. 3.317 km SW of Fairview, Wyoming · 2934 days ago · 6 km deep · 85 km away
  19. 1.612 km ENE of Soda Springs, Idaho · 2934 days ago · 0 km deep · 84 km away
  20. 2.313 km NNW of Georgetown, Idaho · 2931 days ago · 2 km deep · 92 km away
  21. 2.112 km E of Soda Springs, Idaho · 2930 days ago · 7 km deep · 87 km away
  22. 2.419 km SW of Fairview, Wyoming · 2930 days ago · 3 km deep · 86 km away
  23. 2.427 km NE of Kelly, Wyoming · 2930 days ago · 11 km deep · 67 km away
  24. 1.610 km NNW of Alpine Northeast, Wyoming · 2928 days ago · 1 km deep · 11 km away
  25. 2.313 km NNW of Georgetown, Idaho · 2927 days ago · 3 km deep · 93 km away
  26. 1.711 km NNE of Tetonia, Idaho · 2913 days ago · 11 km deep · 66 km away · felt by 1
  27. 1.819 km SW of Fairview, Wyoming · 2913 days ago · 6 km deep · 85 km away
  28. 2.017 km S of Victor, Idaho · 2913 days ago · 6 km deep · 20 km away
  29. 2.09 km E of Kelly, Wyoming · 2910 days ago · 4 km deep · 47 km away
  30. 2.015 km NNW of Georgetown, Idaho · 2904 days ago · 0 km deep · 90 km away

Before

  1. 1.99 km E of Soda Springs, Idaho · 2962 days ago · 6 km deep · 89 km away
  2. 1.913 km ESE of Soda Springs, Idaho · 2963 days ago · 2 km deep · 91 km away
  3. 2.128 km NE of Kelly, Wyoming · 2963 days ago · 7 km deep · 68 km away
  4. 2.014 km SSE of Victor, Idaho · 2964 days ago · -3 km deep · 21 km away
  5. 2.115 km SW of Rafter J Ranch, Wyoming · 2964 days ago · 5 km deep · 4 km away
  6. 1.714 km W of Fairview, Wyoming · 2964 days ago · 9 km deep · 75 km away
  7. 1.710 km WSW of Fairview, Wyoming · 2964 days ago · 4 km deep · 77 km away
  8. 2.415 km WSW of Rafter J Ranch, Wyoming · 2967 days ago · 0 km deep · 5 km away
  9. 2.1southern Idaho · 2970 days ago · 9 km deep · 90 km away
  10. 2.114 km ESE of Soda Springs, Idaho · 2972 days ago · 9 km deep · 90 km away
  11. 1.72 km ESE of Alpine Northeast, Wyoming · 2975 days ago · 3 km deep · 17 km away
  12. 2.127 km NE of Kelly, Wyoming · 2976 days ago · 12 km deep · 67 km away
  13. 1.513 km NE of Soda Springs, Idaho · 2977 days ago · 8 km deep · 81 km away
  14. 1.626 km NNE of Bondurant, Wyoming · 2977 days ago · 6 km deep · 56 km away
  15. 1.512 km ESE of Soda Springs, Idaho · 2983 days ago · 6 km deep · 89 km away
  16. 1.813 km NNW of Georgetown, Idaho · 2985 days ago · 2 km deep · 92 km away
  17. 1.714 km ESE of Soda Springs, Idaho · 2990 days ago · 10 km deep · 90 km away
  18. 1.614 km ESE of Soda Springs, Idaho · 2991 days ago · 6 km deep · 91 km away
  19. 1.96 km NW of Georgetown, Idaho · 2991 days ago · 8 km deep · 99 km away
  20. 1.98 km NW of Georgetown, Idaho · 2991 days ago · 4 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000gfb0 (also filed as mb80307019). Read Wed, Sep 30, 2026, 5:49 PM UTC.