M2.1 earthquake 170 km SSW of Adak, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Oct 6, 2018, 1:42 AM HADT

UTC

2018-10-06 10:42:00 UTC

Depth

25.9 km (16.1 mi), shallow

Epicenter

50.533° N, 177.820° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

19

After

1. 1.5113 km WSW of Adak, AlaskaSat, Oct 6, 12:48 PM HADT · 2917 days ago · 11 km deep · 92 km away
2. 2.1145 km WSW of Adak, AlaskaSat, Oct 6, 3:07 PM HADT · 2917 days ago · 45 km deep · 96 km away
3. 2.373 km SSW of Adak, AlaskaSun, Oct 7, 8:45 AM HADT · 2916 days ago · 16 km deep · 98 km away
4. 2.2141 km SW of Adak, AlaskaSun, Oct 7, 8:46 PM HADT · 2916 days ago · 35 km deep · 77 km away
5. 2.7253 km SSW of Adak, AlaskaMon, Oct 8, 6:57 PM HADT · 2915 days ago · 10 km deep · 85 km away
6. 2.6107 km SW of Adak, AlaskaTue, Oct 9, 4:49 AM HADT · 2914 days ago · 48 km deep · 78 km away
7. 2.0113 km SW of Adak, AlaskaTue, Oct 9, 11:53 AM HADT · 2914 days ago · 26 km deep · 83 km away
8. 2.387 km SW of Adak, AlaskaFri, Oct 12, 4:08 AM HADT · 2911 days ago · 39 km deep · 91 km away
9. 2.9210 km S of Adak, AlaskaSat, Oct 13, 12:02 AM HADT · 2910 days ago · 10 km deep · 78 km away
10. 2.4105 km WSW of Adak, AlaskaSat, Oct 13, 6:31 AM HADT · 2910 days ago · 52 km deep · 92 km away
11. 2.072 km SSW of Adak, AlaskaTue, Oct 16, 7:27 PM HADT · 2907 days ago · 20 km deep · 99 km away
12. 2.097 km SW of Adak, AlaskaWed, Oct 17, 5:53 AM HADT · 2906 days ago · 40 km deep · 82 km away
13. 2.1119 km WSW of Adak, AlaskaFri, Oct 19, 11:08 AM HADT · 2904 days ago · 46 km deep · 99 km away
14. 1.787 km SW of Adak, AlaskaFri, Oct 19, 7:32 PM HADT · 2904 days ago · 35 km deep · 95 km away
15. 2.0124 km SW of Adak, AlaskaFri, Oct 19, 9:32 PM HADT · 2904 days ago · 56 km deep · 83 km away
16. 1.9122 km SW of Adak, AlaskaMon, Oct 22, 1:31 AM HADT · 2901 days ago · 51 km deep · 82 km away
17. 2.6111 km SW of Adak, AlaskaMon, Oct 22, 12:30 PM HADT · 2901 days ago · 29 km deep · 78 km away
18. 2.4119 km SW of Adak, AlaskaSat, Oct 27, 1:12 AM HADT · 2896 days ago · 40 km deep · 80 km away
19. 2.6225 km SSW of Adak, AlaskaSat, Oct 27, 6:49 AM HADT · 2896 days ago · 10 km deep · 56 km away
20. 2.5104 km WSW of Adak, AlaskaMon, Oct 29, 5:56 PM HADT · 2894 days ago · 41 km deep · 94 km away
21. 1.7102 km SW of Adak, AlaskaMon, Oct 29, 10:13 PM HADT · 2894 days ago · 50 km deep · 89 km away
22. 1.6Andreanof Islands, Aleutian Islands, AlaskaMon, Oct 29, 11:54 PM HADT · 2893 days ago · 63 km deep · 98 km away
23. 2.0146 km SW of Adak, AlaskaThu, Nov 1, 6:58 AM HADT · 2891 days ago · 17 km deep · 35 km away
24. 2.6134 km SW of Adak, AlaskaFri, Nov 2, 3:23 PM HADT · 2890 days ago · 35 km deep · 50 km away
25. 1.9133 km WSW of Adak, AlaskaSat, Nov 3, 3:09 AM HADT · 2889 days ago · 12 km deep · 96 km away
26. 1.8108 km SW of Adak, AlaskaSun, Nov 4, 5:58 AM HAST · 2888 days ago · 43 km deep · 79 km away
27. 2.793 km SW of Adak, AlaskaMon, Nov 5, 5:06 PM HAST · 2887 days ago · 35 km deep · 91 km away
28. 2.5165 km WSW of Adak, AlaskaFri, Nov 9, 5:58 PM HAST · 2883 days ago · 35 km deep · 91 km away
29. 2.5130 km SW of Adak, AlaskaSat, Nov 10, 11:13 AM HAST · 2882 days ago · 35 km deep · 71 km away
30. 2.2106 km WSW of Adak, AlaskaSat, Nov 10, 2:25 PM HAST · 2882 days ago · 24 km deep · 93 km away
31. 2.5103 km SW of Adak, AlaskaMon, Nov 12, 9:58 AM HAST · 2880 days ago · 35 km deep · 74 km away
32. 2.484 km S of Adak, AlaskaTue, Nov 13, 4:48 PM HAST · 2879 days ago · 32 km deep · 97 km away
33. 2.9105 km S of Adak, AlaskaWed, Nov 21, 1:04 AM HAST · 2871 days ago · 26 km deep · 83 km away
34. 1.9103 km S of Adak, AlaskaWed, Nov 21, 3:51 AM HAST · 2871 days ago · 22 km deep · 85 km away
35. 2.5119 km SW of Adak, AlaskaThu, Nov 22, 8:56 PM HAST · 2870 days ago · 35 km deep · 84 km away
36. 2.5158 km WSW of Adak, AlaskaThu, Nov 22, 10:55 PM HAST · 2869 days ago · 35 km deep · 83 km away
37. 4.7128 km SW of Adak, AlaskaThu, Nov 29, 1:24 AM HAST · 2863 days ago · 35 km deep · 78 km away
38. 1.9127 km SW of Adak, AlaskaThu, Nov 29, 1:31 AM HAST · 2863 days ago · 34 km deep · 77 km away
39. 2.6125 km SW of Adak, AlaskaThu, Nov 29, 6:32 PM HAST · 2863 days ago · 34 km deep · 74 km away
40. 4.2135 km SW of Adak, AlaskaFri, Nov 30, 9:14 AM HAST · 2862 days ago · 34 km deep · 66 km away
41. 2.4109 km SW of Adak, AlaskaSat, Dec 1, 6:41 PM HAST · 2861 days ago · 29 km deep · 78 km away
42. 2.7138 km WSW of Adak, AlaskaSat, Dec 1, 10:12 PM HAST · 2861 days ago · 29 km deep · 89 km away
43. 4.3117 km WSW of Adak, AlaskaSun, Dec 2, 9:06 AM HAST · 2860 days ago · 48 km deep · 90 km away

Before

1. 1.7135 km WSW of Adak, AlaskaFri, Oct 5, 4:41 AM HADT · 2918 days ago · 58 km deep · 94 km away
2. 1.8103 km SW of Adak, AlaskaThu, Oct 4, 9:39 PM HADT · 2919 days ago · 26 km deep · 80 km away
3. 2.195 km SW of Adak, AlaskaWed, Oct 3, 5:48 AM HADT · 2920 days ago · 26 km deep · 87 km away
4. 2.4140 km SW of Adak, AlaskaTue, Oct 2, 8:35 AM HADT · 2921 days ago · 26 km deep · 69 km away
5. 2.1179 km SW of Adak, AlaskaMon, Oct 1, 3:29 AM HADT · 2922 days ago · 24 km deep · 83 km away
6. 1.9129 km SW of Adak, AlaskaSun, Sep 30, 12:22 PM HADT · 2923 days ago · 24 km deep · 47 km away
7. 2.192 km SW of Adak, AlaskaSun, Sep 30, 9:37 AM HADT · 2923 days ago · 28 km deep · 91 km away
8. 2.3177 km WSW of Adak, AlaskaSat, Sep 29, 12:37 PM HADT · 2924 days ago · 22 km deep · 87 km away
9. 2.1173 km WSW of Adak, AlaskaSat, Sep 29, 10:02 AM HADT · 2924 days ago · 24 km deep · 90 km away
10. 2.2145 km WSW of Adak, AlaskaSat, Sep 29, 3:18 AM HADT · 2924 days ago · 37 km deep · 92 km away
11. 1.6149 km WSW of Adak, AlaskaTue, Sep 25, 4:42 PM HADT · 2928 days ago · 62 km deep · 87 km away
12. 1.6144 km SW of Adak, AlaskaTue, Sep 25, 12:10 PM HADT · 2928 days ago · 37 km deep · 54 km away
13. 1.5119 km WSW of Adak, AlaskaTue, Sep 25, 11:00 AM HADT · 2928 days ago · 53 km deep · 97 km away
14. 1.6114 km WSW of Adak, AlaskaTue, Sep 25, 6:12 AM HADT · 2928 days ago · 37 km deep · 88 km away
15. 1.594 km SW of Adak, AlaskaMon, Sep 24, 1:32 AM HADT · 2929 days ago · 23 km deep · 85 km away
16. 1.8151 km WSW of Adak, AlaskaSun, Sep 23, 1:22 PM HADT · 2930 days ago · 19 km deep · 81 km away
17. 1.9116 km WSW of Adak, AlaskaSat, Sep 22, 9:49 PM HADT · 2931 days ago · 44 km deep · 88 km away
18. 1.691 km SW of Adak, AlaskaSat, Sep 22, 4:36 PM HADT · 2931 days ago · 51 km deep · 97 km away
19. 1.8104 km SW of Adak, AlaskaSat, Sep 22, 12:01 PM HADT · 2931 days ago · 34 km deep · 85 km away
20. 2.5131 km SW of Adak, AlaskaSat, Sep 22, 10:09 AM HADT · 2931 days ago · 35 km deep · 76 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018ctl55wz (also filed as ak20280538). Read Thu, Oct 1, 2026, 7:49 PM UTC.