M1.6 earthquake 13 km WSW of Georgetown, Idaho

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

University of Utah Seismograph Stations

Local time

Fri, Sep 21, 2018, 4:28 AM MDT

UTC

2018-09-21 10:28:36 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

42.434° N, 111.518° W

Region

Idaho

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 1.5 km in depth

Magnitude uncertainty

±0.37

Depth from

From location

Station coverage gap

139°

Stations used

11

• Montpelier, IdahoPopulation 2,509. Forecast22 kmNW
• Conda, IdahoPopulation 21,260. Forecast33 kmS
• Salt Lake City, UtahPopulation 215,548. Forecast189 kmN

After

1. 1.814 km WSW of Georgetown, IdahoFri, Sep 21, 5:33 AM MDT · 2933 days ago · 2 km deep · 1 km away
2. 1.913 km WSW of Georgetown, IdahoFri, Sep 21, 5:36 AM MDT · 2933 days ago · 6 km deep · 0 km away
3. 1.913 km WSW of Georgetown, IdahoFri, Sep 21, 5:42 AM MDT · 2933 days ago · 2 km deep · 0 km away
4. 2.314 km WSW of Georgetown, IdahoFri, Sep 21, 7:00 AM MDT · 2933 days ago · 4 km deep · 1 km away
5. 3.212 km WSW of Georgetown, IdahoFri, Sep 21, 7:34 AM MDT · 2933 days ago · 11 km deep · 1 km away · felt by 2
6. 1.813 km WSW of Georgetown, IdahoFri, Sep 21, 8:14 AM MDT · 2933 days ago · 0 km deep · 1 km away
7. 2.313 km NNW of Georgetown, IdahoFri, Sep 21, 8:45 AM MDT · 2933 days ago · 2 km deep · 19 km away
8. 1.610 km WSW of Georgetown, IdahoSat, Sep 22, 1:17 AM MDT · 2932 days ago · 11 km deep · 2 km away
9. 2.112 km E of Soda Springs, IdahoSat, Sep 22, 5:40 AM MDT · 2932 days ago · 7 km deep · 25 km away
10. 2.419 km SW of Fairview, WyomingSat, Sep 22, 7:08 AM MDT · 2932 days ago · 3 km deep · 33 km away
11. 2.313 km NNW of Georgetown, IdahoTue, Sep 25, 3:08 AM MDT · 2929 days ago · 3 km deep · 18 km away
12. 2.03 km WNW of Montpelier, IdahoTue, Sep 25, 5:37 AM MDT · 2929 days ago · 0 km deep · 18 km away
13. 2.620 km NE of Randolph, UtahSun, Oct 7, 3:12 AM MDT · 2917 days ago · 9 km deep · 82 km away
14. 1.819 km SW of Fairview, WyomingTue, Oct 9, 1:20 PM MDT · 2915 days ago · 6 km deep · 33 km away
15. 2.015 km NNW of Georgetown, IdahoThu, Oct 18, 11:27 AM MDT · 2906 days ago · 0 km deep · 21 km away
16. 2.29 km NW of Georgetown, IdahoTue, Oct 23, 7:49 AM MDT · 2901 days ago · 3 km deep · 12 km away
17. 2.117 km SW of Fairview, WyomingWed, Oct 24, 11:50 AM MDT · 2900 days ago · 10 km deep · 35 km away
18. 2.315 km WSW of Fairview, WyomingMon, Nov 12, 3:38 PM MST · 2881 days ago · -3 km deep · 37 km away
19. 3.29 km E of Soda Springs, IdahoMon, Nov 12, 4:52 PM MST · 2881 days ago · 5 km deep · 25 km away · felt by 3
20. 2.010 km E of Soda Springs, IdahoMon, Nov 12, 6:04 PM MST · 2881 days ago · -3 km deep · 25 km away · felt by 2
21. 1.810 km E of Soda Springs, IdahoMon, Nov 12, 11:37 PM MST · 2880 days ago · 3 km deep · 24 km away
22. 3.09 km E of Soda Springs, IdahoTue, Nov 13, 10:17 AM MST · 2880 days ago · 5 km deep · 26 km away · felt by 5
23. 2.1southern IdahoWed, Nov 14, 2:28 AM MST · 2879 days ago · -3 km deep · 24 km away
24. 3.111 km E of Soda Springs, IdahoWed, Nov 14, 2:51 PM MST · 2879 days ago · 8 km deep · 25 km away · felt by 11
25. 1.813 km ENE of Soda Springs, IdahoWed, Nov 14, 3:35 PM MST · 2879 days ago · 10 km deep · 28 km away
26. 2.811 km E of Soda Springs, IdahoWed, Nov 14, 7:38 PM MST · 2878 days ago · 10 km deep · 27 km away
27. 2.212 km ENE of Soda Springs, IdahoThu, Nov 15, 12:13 AM MST · 2878 days ago · 9 km deep · 28 km away
28. 3.812 km E of Soda Springs, IdahoThu, Nov 15, 2:33 AM MST · 2878 days ago · 10 km deep · 27 km away · felt by 8
29. 1.912 km E of Soda Springs, IdahoThu, Nov 15, 2:40 AM MST · 2878 days ago · 8 km deep · 27 km away
30. 1.813 km ENE of Soda Springs, IdahoThu, Nov 15, 2:45 AM MST · 2878 days ago · 8 km deep · 28 km away
31. 1.714 km ENE of Soda Springs, IdahoThu, Nov 15, 2:48 AM MST · 2878 days ago · 11 km deep · 29 km away
32. 1.613 km ENE of Soda Springs, IdahoThu, Nov 15, 2:55 AM MST · 2878 days ago · 11 km deep · 29 km away
33. 1.713 km E of Soda Springs, IdahoThu, Nov 15, 3:04 AM MST · 2878 days ago · 7 km deep · 27 km away
34. 2.014 km ENE of Soda Springs, IdahoThu, Nov 15, 11:33 AM MST · 2878 days ago · 11 km deep · 28 km away
35. 1.69 km NNW of Georgetown, IdahoFri, Nov 16, 2:21 AM MST · 2877 days ago · 10 km deep · 17 km away
36. 2.211 km E of Soda Springs, IdahoFri, Nov 16, 6:04 PM MST · 2877 days ago · -2 km deep · 24 km away
37. 2.111 km E of Soda Springs, IdahoSat, Nov 17, 12:43 AM MST · 2876 days ago · 2 km deep · 24 km away
38. 1.89 km SSW of Laketown, UtahSun, Nov 18, 7:12 AM MST · 2875 days ago · 2 km deep · 77 km away
39. 2.310 km E of Soda Springs, IdahoMon, Nov 19, 9:28 AM MST · 2874 days ago · -2 km deep · 25 km away
40. 1.8southern IdahoMon, Nov 19, 9:35 AM MST · 2874 days ago · -3 km deep · 25 km away
41. 2.110 km E of Soda Springs, IdahoMon, Nov 19, 6:22 PM MST · 2873 days ago · 9 km deep · 25 km away · felt by 1

Before

1. 1.612 km SW of Georgetown, IdahoFri, Sep 21, 4:13 AM MDT · 2933 days ago · 6 km deep · 3 km away
2. 2.313 km WSW of Georgetown, IdahoFri, Sep 21, 4:06 AM MDT · 2933 days ago · 0 km deep · 0 km away
3. 1.812 km WSW of Georgetown, IdahoFri, Sep 21, 3:12 AM MDT · 2933 days ago · 8 km deep · 1 km away
4. 2.512 km WSW of Georgetown, IdahoFri, Sep 21, 3:07 AM MDT · 2933 days ago · 7 km deep · 1 km away
5. 1.816 km W of Georgetown, IdahoFri, Sep 21, 3:06 AM MDT · 2933 days ago · 4 km deep · 5 km away
6. 2.614 km WSW of Georgetown, IdahoFri, Sep 21, 2:39 AM MDT · 2933 days ago · 8 km deep · 3 km away
7. 2.014 km WSW of Georgetown, IdahoFri, Sep 21, 2:39 AM MDT · 2933 days ago · 6 km deep · 2 km away
8. 1.912 km SW of Georgetown, IdahoFri, Sep 21, 2:08 AM MDT · 2933 days ago · 13 km deep · 3 km away
9. 1.913 km WSW of Georgetown, IdahoThu, Sep 20, 11:11 PM MDT · 2933 days ago · 7 km deep · 0 km away
10. 1.612 km ENE of Soda Springs, IdahoTue, Sep 18, 8:19 AM MDT · 2936 days ago · 0 km deep · 28 km away
11. 3.317 km SW of Fairview, WyomingTue, Sep 18, 3:22 AM MDT · 2936 days ago · 6 km deep · 34 km away
12. 1.56 km NNW of Georgetown, IdahoMon, Sep 17, 9:37 AM MDT · 2937 days ago · 3 km deep · 15 km away
13. 2.25 km NE of Alpine Northeast, WyomingSun, Sep 9, 2:11 AM MDT · 2945 days ago · -3 km deep · 100 km away
14. 3.010 km ESE of Soda Springs, IdahoSat, Sep 8, 3:22 PM MDT · 2946 days ago · 10 km deep · 23 km away · felt by 13
15. 1.710 km E of Soda Springs, IdahoFri, Sep 7, 11:42 AM MDT · 2947 days ago · 3 km deep · 24 km away
16. 2.09 km E of Soda Springs, IdahoWed, Sep 5, 10:55 PM MDT · 2948 days ago · 5 km deep · 26 km away · felt by 1
17. 1.510 km NE of Soda Springs, IdahoWed, Sep 5, 2:12 AM MDT · 2949 days ago · 13 km deep · 31 km away
18. 2.114 km ESE of Soda Springs, IdahoMon, Aug 27, 6:28 PM MDT · 2958 days ago · 2 km deep · 21 km away
19. 1.714 km NE of Soda Springs, IdahoMon, Aug 27, 3:50 PM MDT · 2958 days ago · 6 km deep · 34 km away
20. 2.110 km ESE of Randolph, UtahSun, Aug 26, 12:19 AM MDT · 2959 days ago · -1 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event uu60297152. Read Fri, Oct 2, 2026, 12:38 PM UTC.