Idaho earthquakes

M1.9 earthquake 13 km WSW of Georgetown, Idaho

A magnitude 1.9 earthquake struck 13 km WSW of Georgetown, Idaho on Fri, Sep 21, 2018, 5:42 AM MDT (11:42 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.8 12 km E of Soda Springs, Idaho. This one was a foreshock.

Montpelier 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
1.9 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2018-09-21 11:42:11 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
42.431° N, 111.516° 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 0.7 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
117°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 32 in the 30 days before it.

After

  1. 2.314 km WSW of Georgetown, Idaho · 2936 days ago · 4 km deep · 1 km away
  2. 3.212 km WSW of Georgetown, Idaho · 2936 days ago · 11 km deep · 1 km away · felt by 2
  3. 1.813 km WSW of Georgetown, Idaho · 2936 days ago · 0 km deep · 1 km away
  4. 2.313 km NNW of Georgetown, Idaho · 2936 days ago · 2 km deep · 20 km away
  5. 1.610 km WSW of Georgetown, Idaho · 2935 days ago · 11 km deep · 2 km away
  6. 2.112 km E of Soda Springs, Idaho · 2935 days ago · 7 km deep · 25 km away
  7. 2.419 km SW of Fairview, Wyoming · 2935 days ago · 3 km deep · 33 km away
  8. 2.313 km NNW of Georgetown, Idaho · 2932 days ago · 3 km deep · 18 km away
  9. 2.03 km WNW of Montpelier, Idaho · 2932 days ago · 0 km deep · 18 km away
  10. 2.620 km NE of Randolph, Utah · 2920 days ago · 9 km deep · 82 km away
  11. 1.819 km SW of Fairview, Wyoming · 2918 days ago · 6 km deep · 33 km away
  12. 2.015 km NNW of Georgetown, Idaho · 2909 days ago · 0 km deep · 22 km away
  13. 2.29 km NW of Georgetown, Idaho · 2904 days ago · 3 km deep · 12 km away
  14. 2.117 km SW of Fairview, Wyoming · 2903 days ago · 10 km deep · 35 km away
  15. 2.315 km WSW of Fairview, Wyoming · 2883 days ago · -3 km deep · 37 km away
  16. 3.29 km E of Soda Springs, Idaho · 2883 days ago · 5 km deep · 25 km away · felt by 3
  17. 2.010 km E of Soda Springs, Idaho · 2883 days ago · -3 km deep · 25 km away · felt by 2
  18. 1.810 km E of Soda Springs, Idaho · 2883 days ago · 3 km deep · 25 km away
  19. 3.09 km E of Soda Springs, Idaho · 2883 days ago · 5 km deep · 26 km away · felt by 5
  20. 2.1southern Idaho · 2882 days ago · -3 km deep · 24 km away
  21. 3.111 km E of Soda Springs, Idaho · 2882 days ago · 8 km deep · 25 km away · felt by 11
  22. 1.813 km ENE of Soda Springs, Idaho · 2881 days ago · 10 km deep · 28 km away
  23. 2.811 km E of Soda Springs, Idaho · 2881 days ago · 10 km deep · 27 km away
  24. 2.212 km ENE of Soda Springs, Idaho · 2881 days ago · 9 km deep · 28 km away
  25. 3.812 km E of Soda Springs, Idaho · 2881 days ago · 10 km deep · 27 km away · felt by 8
  26. 1.912 km E of Soda Springs, Idaho · 2881 days ago · 8 km deep · 27 km away
  27. 1.813 km ENE of Soda Springs, Idaho · 2881 days ago · 8 km deep · 28 km away
  28. 1.714 km ENE of Soda Springs, Idaho · 2881 days ago · 11 km deep · 29 km away
  29. 1.613 km ENE of Soda Springs, Idaho · 2881 days ago · 11 km deep · 29 km away
  30. 1.713 km E of Soda Springs, Idaho · 2881 days ago · 7 km deep · 27 km away
  31. 2.014 km ENE of Soda Springs, Idaho · 2881 days ago · 11 km deep · 29 km away
  32. 1.69 km NNW of Georgetown, Idaho · 2880 days ago · 10 km deep · 17 km away
  33. 2.211 km E of Soda Springs, Idaho · 2879 days ago · -2 km deep · 24 km away
  34. 2.111 km E of Soda Springs, Idaho · 2879 days ago · 2 km deep · 24 km away
  35. 1.89 km SSW of Laketown, Utah · 2878 days ago · 2 km deep · 77 km away
  36. 2.310 km E of Soda Springs, Idaho · 2877 days ago · -2 km deep · 25 km away
  37. 1.8southern Idaho · 2877 days ago · -3 km deep · 25 km away
  38. 2.110 km E of Soda Springs, Idaho · 2876 days ago · 9 km deep · 25 km away · felt by 1

Before

  1. 1.913 km WSW of Georgetown, Idaho · 2936 days ago · 6 km deep · 1 km away
  2. 1.814 km WSW of Georgetown, Idaho · 2936 days ago · 2 km deep · 2 km away
  3. 1.613 km WSW of Georgetown, Idaho · 2936 days ago · 6 km deep · 0 km away
  4. 1.612 km SW of Georgetown, Idaho · 2936 days ago · 6 km deep · 2 km away
  5. 2.313 km WSW of Georgetown, Idaho · 2936 days ago · 0 km deep · 0 km away
  6. 1.812 km WSW of Georgetown, Idaho · 2936 days ago · 8 km deep · 1 km away
  7. 2.512 km WSW of Georgetown, Idaho · 2936 days ago · 7 km deep · 1 km away
  8. 1.816 km W of Georgetown, Idaho · 2936 days ago · 4 km deep · 5 km away
  9. 2.614 km WSW of Georgetown, Idaho · 2936 days ago · 8 km deep · 3 km away
  10. 2.014 km WSW of Georgetown, Idaho · 2936 days ago · 6 km deep · 2 km away
  11. 1.912 km SW of Georgetown, Idaho · 2936 days ago · 13 km deep · 3 km away
  12. 1.913 km WSW of Georgetown, Idaho · 2936 days ago · 7 km deep · 0 km away
  13. 1.612 km ENE of Soda Springs, Idaho · 2939 days ago · 0 km deep · 29 km away
  14. 3.317 km SW of Fairview, Wyoming · 2939 days ago · 6 km deep · 34 km away
  15. 1.56 km NNW of Georgetown, Idaho · 2940 days ago · 3 km deep · 15 km away
  16. 3.010 km ESE of Soda Springs, Idaho · 2949 days ago · 10 km deep · 23 km away · felt by 13
  17. 1.710 km E of Soda Springs, Idaho · 2950 days ago · 3 km deep · 25 km away
  18. 2.09 km E of Soda Springs, Idaho · 2951 days ago · 5 km deep · 26 km away · felt by 1
  19. 1.510 km NE of Soda Springs, Idaho · 2952 days ago · 13 km deep · 32 km away
  20. 2.114 km ESE of Soda Springs, Idaho · 2960 days ago · 2 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60297197. Read Mon, Oct 5, 2026, 9:38 AM UTC.