M1.6 earthquake 32 km SSW of Atka, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Sep 23, 2018, 8:41 AM HADT

UTC

2018-09-23 17:41:24 UTC

Depth

41.5 km (25.8 mi), shallow

Epicenter

51.909° N, 174.310° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

11

After

1. 2.2101 km ESE of Adak, AlaskaSun, Sep 23, 11:57 AM HADT · 2930 days ago · 26 km deep · 81 km away
2. 2.255 km NW of Atka, AlaskaTue, Sep 25, 6:45 AM HADT · 2928 days ago · 140 km deep · 74 km away
3. 3.861 km SW of Atka, AlaskaTue, Sep 25, 8:56 AM HADT · 2928 days ago · 23 km deep · 35 km away
4. 2.860 km NNW of Atka, AlaskaTue, Sep 25, 3:06 PM HADT · 2928 days ago · 218 km deep · 90 km away
5. 2.316 km SW of Atka, AlaskaThu, Sep 27, 2:12 PM HADT · 2926 days ago · 83 km deep · 18 km away
6. 2.441 km N of Atka, AlaskaSun, Sep 30, 1:48 AM HADT · 2923 days ago · 176 km deep · 75 km away
7. 2.058 km W of Atka, AlaskaSun, Sep 30, 12:53 PM HADT · 2923 days ago · 77 km deep · 55 km away
8. 2.253 km SSE of Atka, AlaskaMon, Oct 1, 9:17 AM HADT · 2922 days ago · 15 km deep · 34 km away
9. 4.283 km SE of Atka, AlaskaWed, Oct 3, 10:47 PM HADT · 2919 days ago · 40 km deep · 75 km away
10. 1.766 km SW of Atka, AlaskaThu, Oct 4, 9:33 AM HADT · 2919 days ago · 18 km deep · 39 km away
11. 3.186 km ESE of Atka, AlaskaThu, Oct 4, 2:49 PM HADT · 2919 days ago · 35 km deep · 82 km away
12. 1.881 km SE of Atka, AlaskaFri, Oct 5, 2:06 AM HADT · 2918 days ago · 30 km deep · 72 km away
13. 2.069 km SW of Atka, AlaskaFri, Oct 5, 6:56 AM HADT · 2918 days ago · 47 km deep · 48 km away
14. 1.865 km SW of Atka, AlaskaFri, Oct 5, 12:00 PM HADT · 2918 days ago · 41 km deep · 43 km away
15. 2.088 km ESE of Atka, AlaskaFri, Oct 5, 8:41 PM HADT · 2918 days ago · 87 km deep · 95 km away
16. 2.448 km E of Atka, AlaskaSat, Oct 6, 6:36 AM HADT · 2917 days ago · 80 km deep · 63 km away
17. 1.832 km SSW of Atka, AlaskaSat, Oct 6, 7:26 AM HADT · 2917 days ago · 97 km deep · 8 km away
18. 2.184 km SE of Atka, AlaskaSat, Oct 6, 9:59 AM HADT · 2917 days ago · 9 km deep · 79 km away
19. 1.867 km E of Adak, AlaskaSat, Oct 6, 3:17 PM HADT · 2917 days ago · 27 km deep · 94 km away
20. 3.354 km ENE of Atka, AlaskaSat, Oct 6, 5:53 PM HADT · 2917 days ago · 279 km deep · 75 km away
21. 2.724 km E of Atka, AlaskaWed, Oct 10, 6:27 AM HADT · 2913 days ago · 106 km deep · 42 km away
22. 2.679 km SW of Atka, AlaskaWed, Oct 10, 2:43 PM HADT · 2913 days ago · 230 km deep · 60 km away
23. 2.788 km WNW of Atka, AlaskaWed, Oct 10, 5:49 PM HADT · 2913 days ago · 213 km deep · 95 km away
24. 2.368 km SW of Atka, AlaskaWed, Oct 10, 10:58 PM HADT · 2912 days ago · 121 km deep · 48 km away
25. 2.462 km SE of Atka, AlaskaThu, Oct 11, 7:27 AM HADT · 2912 days ago · 32 km deep · 53 km away
26. 1.8113 km S of Atka, AlaskaThu, Oct 11, 9:22 AM HADT · 2912 days ago · 18 km deep · 84 km away
27. 2.281 km W of Atka, AlaskaThu, Oct 11, 9:44 AM HADT · 2912 days ago · 136 km deep · 85 km away
28. 2.026 km E of Atka, AlaskaFri, Oct 12, 5:19 AM HADT · 2911 days ago · 94 km deep · 46 km away
29. 2.048 km E of Atka, AlaskaFri, Oct 12, 1:35 PM HADT · 2911 days ago · 18 km deep · 66 km away
30. 4.172 km SSW of Atka, AlaskaSun, Oct 14, 11:59 AM HADT · 2909 days ago · 42 km deep · 41 km away
31. 2.144 km SSE of Atka, AlaskaMon, Oct 15, 12:08 AM HADT · 2908 days ago · 56 km deep · 25 km away
32. 1.988 km E of Adak, AlaskaTue, Oct 16, 6:23 AM HADT · 2907 days ago · 51 km deep · 75 km away
33. 2.067 km SW of Atka, AlaskaThu, Oct 18, 4:31 AM HADT · 2905 days ago · 41 km deep · 41 km away
34. 1.754 km SSW of Atka, AlaskaThu, Oct 18, 7:50 AM HADT · 2905 days ago · 10 km deep · 24 km away
35. 2.071 km E of Atka, AlaskaThu, Oct 18, 8:58 AM HADT · 2905 days ago · 11 km deep · 86 km away
36. 3.8100 km S of Atka, AlaskaThu, Oct 18, 5:12 PM HADT · 2905 days ago · 27 km deep · 70 km away
37. 3.986 km SW of Atka, AlaskaFri, Oct 19, 2:19 PM HADT · 2904 days ago · 35 km deep · 57 km away
38. 2.173 km E of Atka, AlaskaSun, Oct 21, 12:45 PM HADT · 2902 days ago · 11 km deep · 88 km away
39. 2.340 km S of Atka, AlaskaMon, Oct 22, 6:45 AM HADT · 2901 days ago · 26 km deep · 8 km away
40. 2.571 km S of Atka, AlaskaMon, Oct 22, 4:52 PM HADT · 2901 days ago · 35 km deep · 40 km away
41. 2.182 km ESE of Atka, AlaskaMon, Oct 22, 8:33 PM HADT · 2901 days ago · 44 km deep · 78 km away
42. 1.6103 km ESE of Adak, AlaskaMon, Oct 22, 10:46 PM HADT · 2900 days ago · 26 km deep · 92 km away
43. 2.489 km SSW of Atka, AlaskaWed, Oct 24, 12:22 PM HADT · 2899 days ago · 33 km deep · 59 km away
44. 3.943 km ESE of Atka, AlaskaWed, Oct 24, 5:13 PM HADT · 2899 days ago · 95 km deep · 54 km away
45. 1.968 km E of Adak, AlaskaFri, Oct 26, 5:03 AM HADT · 2897 days ago · 29 km deep · 91 km away
46. 1.6103 km SSW of Atka, AlaskaFri, Oct 26, 10:35 PM HADT · 2896 days ago · 0 km deep · 74 km away
47. 2.969 km WSW of Atka, AlaskaSat, Oct 27, 9:17 AM HADT · 2896 days ago · 117 km deep · 60 km away
48. 4.093 km SW of Atka, AlaskaSat, Oct 27, 12:44 PM HADT · 2896 days ago · 36 km deep · 69 km away
49. 2.022 km W of Atka, AlaskaSat, Oct 27, 5:24 PM HADT · 2896 days ago · 146 km deep · 37 km away
50. 3.564 km ENE of Atka, AlaskaSun, Oct 28, 2:33 PM HADT · 2895 days ago · 114 km deep · 91 km away
51. 2.395 km SW of Atka, AlaskaSun, Oct 28, 3:52 PM HADT · 2895 days ago · 49 km deep · 72 km away
52. 2.2108 km SSW of Atka, AlaskaMon, Oct 29, 2:01 PM HADT · 2894 days ago · 40 km deep · 77 km away
53. 1.695 km S of Atka, AlaskaTue, Oct 30, 3:56 AM HADT · 2893 days ago · 27 km deep · 65 km away
54. 4.693 km S of Atka, AlaskaWed, Oct 31, 11:47 AM HADT · 2892 days ago · 10 km deep · 61 km away
55. 2.586 km S of Atka, AlaskaWed, Oct 31, 4:46 PM HADT · 2892 days ago · 35 km deep · 56 km away
56. 2.396 km SW of Atka, AlaskaThu, Nov 1, 9:11 PM HADT · 2891 days ago · 50 km deep · 72 km away
57. 3.078 km SSW of Atka, AlaskaFri, Nov 2, 8:38 AM HADT · 2890 days ago · 33 km deep · 46 km away
58. 2.344 km N of Atka, AlaskaSat, Nov 3, 1:49 PM HADT · 2889 days ago · 164 km deep · 76 km away
59. 2.162 km SSE of Atka, AlaskaSat, Nov 3, 11:19 PM HADT · 2888 days ago · 4 km deep · 42 km away
60. 1.887 km WSW of Atka, AlaskaMon, Nov 5, 7:04 AM HAST · 2887 days ago · 74 km deep · 71 km away

The first 60 of 77.

Before

1. 2.828 km WNW of Atka, AlaskaSat, Sep 22, 9:32 PM HADT · 2930 days ago · 202 km deep · 50 km away
2. 2.5108 km SSW of Atka, AlaskaSat, Sep 22, 1:05 PM HADT · 2931 days ago · 26 km deep · 77 km away
3. 1.619 km S of Atka, AlaskaFri, Sep 21, 2:36 PM HADT · 2932 days ago · 6 km deep · 17 km away
4. 3.892 km ESE of Adak, AlaskaThu, Sep 20, 5:06 AM HADT · 2933 days ago · 34 km deep · 75 km away
5. 2.699 km S of Atka, AlaskaWed, Sep 19, 12:47 AM HADT · 2934 days ago · 26 km deep · 68 km away
6. 2.090 km SW of Atka, AlaskaTue, Sep 18, 8:04 PM HADT · 2935 days ago · 49 km deep · 68 km away
7. 1.727 km SW of Atka, AlaskaMon, Sep 17, 11:18 PM HADT · 2935 days ago · 61 km deep · 20 km away
8. 2.0122 km SSW of Atka, AlaskaSun, Sep 16, 1:17 PM HADT · 2937 days ago · 15 km deep · 92 km away
9. 2.821 km S of Atka, AlaskaSun, Sep 16, 4:11 AM HADT · 2937 days ago · 56 km deep · 12 km away
10. 2.487 km SSE of Atka, AlaskaSat, Sep 15, 11:36 PM HADT · 2937 days ago · 23 km deep · 65 km away
11. 2.339 km S of Atka, AlaskaSat, Sep 15, 8:56 AM HADT · 2938 days ago · 42 km deep · 7 km away
12. 2.175 km SSE of Atka, AlaskaSat, Sep 15, 12:24 AM HADT · 2938 days ago · 24 km deep · 53 km away
13. 4.139 km S of Atka, AlaskaFri, Sep 14, 5:46 PM HADT · 2939 days ago · 75 km deep · 15 km away
14. 2.175 km ENE of Adak, AlaskaThu, Sep 13, 3:15 AM HADT · 2940 days ago · 77 km deep · 87 km away
15. 2.772 km ESE of Atka, AlaskaTue, Sep 11, 8:49 PM HADT · 2942 days ago · 24 km deep · 72 km away
16. 3.279 km E of Adak, AlaskaTue, Sep 11, 2:55 PM HADT · 2942 days ago · 74 km deep · 81 km away
17. 3.047 km NW of Atka, AlaskaMon, Sep 10, 2:23 PM HADT · 2943 days ago · 238 km deep · 68 km away
18. 1.949 km SSE of Atka, AlaskaMon, Sep 10, 7:05 AM HADT · 2943 days ago · 45 km deep · 32 km away
19. 2.853 km S of Atka, AlaskaSun, Sep 9, 1:48 PM HADT · 2944 days ago · 9 km deep · 25 km away
20. 2.136 km SSW of Atka, AlaskaSat, Sep 8, 5:22 AM HADT · 2945 days ago · 29 km deep · 4 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018c87biv3 (also filed as ak20261324). Read Thu, Oct 1, 2026, 5:57 PM UTC.