M1.8 earthquake 18 km NE of Georgetown, Idaho

Magnitude

1.8 (ml), micro

Local time

Tue, Mar 20, 2018, 3:05 PM MDT

UTC

2018-03-20 21:05:31 UTC

Depth

-3.4 km (-2.1 mi), shallow

Epicenter

42.602° N, 111.224° W

Region

Wyoming

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.8 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.28

Depth from

From location

Station coverage gap

162°

Stations used

11

• Afton, WyomingPopulation 1,972. Forecast27 kmWSW
• Conda, IdahoPopulation 21,260. Forecast29 kmESE
• Salt Lake City, UtahPopulation 215,548. Forecast212 kmNNE

After

1. 2.312 km E of Soda Springs, IdahoMon, Mar 26, 11:28 AM MDT · 3110 days ago · 7 km deep · 19 km away
2. 1.712 km ENE of Soda Springs, IdahoMon, Mar 26, 10:00 PM MDT · 3109 days ago · 2 km deep · 21 km away
3. 1.76 km NW of Georgetown, IdahoThu, Mar 29, 6:23 AM MDT · 3107 days ago · 6 km deep · 18 km away
4. 1.89 km NNW of Georgetown, IdahoWed, Apr 4, 3:00 PM MDT · 3101 days ago · 7 km deep · 16 km away
5. 1.913 km NNW of Georgetown, IdahoFri, Apr 6, 1:05 AM MDT · 3099 days ago · 7 km deep · 17 km away
6. 3.412 km NNW of Georgetown, IdahoSat, Apr 7, 1:22 AM MDT · 3098 days ago · 8 km deep · 18 km away · felt by 6
7. 1.813 km NNW of Georgetown, IdahoSat, Apr 7, 3:16 AM MDT · 3098 days ago · -2 km deep · 16 km away
8. 2.111 km NNW of Georgetown, IdahoSat, Apr 7, 5:18 AM MDT · 3098 days ago · 8 km deep · 16 km away
9. 1.613 km NNW of Georgetown, IdahoSat, Apr 7, 11:08 AM MDT · 3098 days ago · 0 km deep · 16 km away
10. 1.810 km NNW of Georgetown, IdahoMon, Apr 9, 11:19 PM MDT · 3095 days ago · -2 km deep · 16 km away
11. 2.08 km NNW of Georgetown, IdahoMon, Apr 9, 11:54 PM MDT · 3095 days ago · 5 km deep · 17 km away
12. 2.09 km NNW of Georgetown, IdahoTue, Apr 10, 12:46 AM MDT · 3095 days ago · 4 km deep · 17 km away
13. 1.914 km E of Soda Springs, IdahoThu, Apr 12, 8:56 AM MDT · 3093 days ago · -3 km deep · 18 km away
14. 2.39 km NNW of Georgetown, IdahoThu, Apr 12, 9:33 AM MDT · 3093 days ago · 8 km deep · 16 km away
15. 2.410 km SE of Soda Springs, IdahoMon, Apr 16, 9:43 AM MDT · 3089 days ago · 11 km deep · 23 km away
16. 2.313 km NNW of Georgetown, IdahoWed, Apr 18, 12:23 PM MDT · 3087 days ago · 7 km deep · 17 km away
17. 2.212 km E of Soda Springs, IdahoThu, Apr 19, 5:00 PM MDT · 3086 days ago · 8 km deep · 21 km away
18. 1.612 km NNW of Georgetown, IdahoFri, Apr 20, 3:08 PM MDT · 3085 days ago · 14 km deep · 16 km away
19. 1.712 km WSW of Garden, UtahMon, Apr 23, 3:16 PM MDT · 3082 days ago · 5 km deep · 87 km away
20. 2.39 km NNW of Georgetown, IdahoTue, Apr 24, 12:54 PM MDT · 3081 days ago · 6 km deep · 16 km away
21. 2.510 km NNW of Georgetown, IdahoTue, Apr 24, 3:33 PM MDT · 3081 days ago · 6 km deep · 18 km away · felt by 1
22. 1.811 km NNW of Georgetown, IdahoTue, Apr 24, 4:42 PM MDT · 3081 days ago · -3 km deep · 17 km away
23. 2.19 km NNW of Georgetown, IdahoTue, Apr 24, 4:46 PM MDT · 3081 days ago · 3 km deep · 17 km away
24. 1.79 km NNW of Georgetown, IdahoTue, Apr 24, 11:04 PM MDT · 3080 days ago · 5 km deep · 16 km away
25. 1.810 km NNW of Georgetown, IdahoWed, Apr 25, 12:59 AM MDT · 3080 days ago · 4 km deep · 17 km away
26. 1.811 km E of Soda Springs, IdahoThu, Apr 26, 3:14 AM MDT · 3079 days ago · -2 km deep · 21 km away
27. 1.611 km E of Soda Springs, IdahoThu, Apr 26, 12:24 PM MDT · 3079 days ago · 1 km deep · 21 km away
28. 1.99 km NNW of Georgetown, IdahoFri, Apr 27, 1:00 AM MDT · 3078 days ago · 4 km deep · 17 km away
29. 2.414 km ESE of Soda Springs, IdahoFri, Apr 27, 8:38 AM MDT · 3078 days ago · 8 km deep · 18 km away · felt by 2
30. 1.58 km NNW of Georgetown, IdahoFri, Apr 27, 11:08 AM MDT · 3078 days ago · 4 km deep · 18 km away
31. 1.69 km NNW of Georgetown, IdahoFri, Apr 27, 11:34 AM MDT · 3078 days ago · 10 km deep · 17 km away
32. 1.611 km NNW of Georgetown, IdahoFri, Apr 27, 2:05 PM MDT · 3078 days ago · 10 km deep · 15 km away
33. 1.611 km SW of Rafter J Ranch, WyomingSat, Apr 28, 2:21 AM MDT · 3077 days ago · 2 km deep · 87 km away
34. 1.88 km NNW of Georgetown, IdahoSat, Apr 28, 2:56 AM MDT · 3077 days ago · 5 km deep · 17 km away
35. 1.5southern IdahoSat, Apr 28, 3:24 AM MDT · 3077 days ago · 7 km deep · 17 km away
36. 1.910 km NNW of Georgetown, IdahoSat, Apr 28, 4:09 AM MDT · 3077 days ago · 9 km deep · 17 km away
37. 2.910 km NNW of Georgetown, IdahoSat, Apr 28, 4:21 AM MDT · 3077 days ago · 5 km deep · 18 km away · felt by 1
38. 1.87 km NNW of Georgetown, IdahoSat, Apr 28, 4:24 AM MDT · 3077 days ago · 6 km deep · 17 km away
39. 1.68 km NNW of Georgetown, IdahoSat, Apr 28, 4:26 AM MDT · 3077 days ago · 7 km deep · 16 km away
40. 2.29 km NNW of Georgetown, IdahoSat, Apr 28, 4:43 AM MDT · 3077 days ago · 6 km deep · 17 km away
41. 1.56 km NNW of Georgetown, IdahoSat, Apr 28, 5:32 AM MDT · 3077 days ago · 9 km deep · 16 km away
42. 2.213 km ESE of Irwin, IdahoMon, Apr 30, 8:07 AM MDT · 3075 days ago · 3 km deep · 86 km away
43. 1.712 km NNW of Georgetown, IdahoWed, May 2, 10:37 AM MDT · 3073 days ago · 10 km deep · 16 km away
44. 2.014 km NNW of Georgetown, IdahoFri, May 4, 1:07 PM MDT · 3071 days ago · -1 km deep · 17 km away
45. 2.012 km SW of Fairview, WyomingTue, May 8, 12:51 PM MDT · 3067 days ago · 6 km deep · 11 km away
46. 2.614 km E of Soda Springs, IdahoWed, May 9, 6:01 AM MDT · 3066 days ago · 5 km deep · 19 km away · felt by 2
47. 1.917 km E of Soda Springs, IdahoWed, May 9, 6:49 AM MDT · 3066 days ago · -3 km deep · 15 km away
48. 1.911 km NNW of Georgetown, IdahoWed, May 9, 8:03 PM MDT · 3065 days ago · 7 km deep · 16 km away
49. 2.316 km E of Soda Springs, IdahoThu, May 10, 12:08 AM MDT · 3065 days ago · -2 km deep · 16 km away
50. 1.625 km W of Alpine Northwest, WyomingSun, May 13, 6:20 PM MDT · 3062 days ago · 6 km deep · 63 km away
51. 1.927 km SSW of Irwin, IdahoSun, May 13, 6:55 PM MDT · 3062 days ago · 6 km deep · 64 km away
52. 2.0southern IdahoSun, May 13, 7:01 PM MDT · 3062 days ago · 6 km deep · 66 km away
53. 1.528 km SSW of Irwin, IdahoSun, May 13, 8:28 PM MDT · 3061 days ago · 6 km deep · 64 km away
54. 2.129 km SSW of Irwin, IdahoSun, May 13, 9:44 PM MDT · 3061 days ago · 6 km deep · 66 km away
55. 2.011 km ESE of Soda Springs, IdahoMon, May 14, 9:10 AM MDT · 3061 days ago · -2 km deep · 21 km away
56. 1.728 km SSW of Irwin, IdahoTue, May 15, 8:22 PM MDT · 3059 days ago · 6 km deep · 64 km away
57. 1.79 km NNW of Georgetown, IdahoFri, May 18, 5:56 PM MDT · 3057 days ago · 8 km deep · 17 km away
58. 1.69 km NNW of Georgetown, IdahoFri, May 18, 6:01 PM MDT · 3057 days ago · 7 km deep · 18 km away
59. 1.912 km NW of Georgetown, IdahoFri, May 18, 10:55 PM MDT · 3056 days ago · 7 km deep · 19 km away

Before

1. 1.813 km E of Soda Springs, IdahoMon, Mar 19, 3:15 AM MDT · 3117 days ago · 7 km deep · 18 km away
2. 2.06 km W of Fairview, WyomingThu, Mar 8, 8:11 PM MST · 3127 days ago · -3 km deep · 15 km away
3. 2.59 km E of Soda Springs, IdahoFri, Mar 2, 6:05 PM MST · 3134 days ago · 10 km deep · 23 km away · felt by 1
4. 2.513 km ESE of Soda Springs, IdahoSun, Feb 25, 5:03 PM MST · 3139 days ago · 5 km deep · 20 km away · felt by 1
5. 1.914 km NNW of Georgetown, IdahoSat, Feb 24, 5:08 AM MST · 3140 days ago · -1 km deep · 18 km away
6. 1.55 km N of Etna, WyomingFri, Feb 23, 3:35 AM MST · 3141 days ago · 6 km deep · 56 km away
7. 1.713 km ENE of Soda Springs, IdahoThu, Feb 22, 8:53 AM MST · 3142 days ago · -2 km deep · 20 km away
8. 1.78 km SSW of Hoback, WyomingThu, Feb 22, 4:57 AM MST · 3142 days ago · 1 km deep · 75 km away
9. 2.913 km NNW of Georgetown, IdahoThu, Feb 22, 1:49 AM MST · 3142 days ago · 10 km deep · 19 km away
10. 1.811 km NNW of Soda Springs, IdahoMon, Feb 19, 9:29 AM MST · 3145 days ago · 5 km deep · 40 km away
11. 2.112 km NW of Georgetown, IdahoMon, Feb 19, 9:27 AM MST · 3145 days ago · 1 km deep · 20 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu60274777. Read Wed, Sep 30, 2026, 12:36 PM UTC.