M2.3 earthquake 40 km S of Atka, Alaska

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Oct 22, 2018, 6:45 AM HADT

UTC

2018-10-22 15:45:35 UTC

Depth

25.6 km (15.9 mi), shallow

Epicenter

51.836° N, 174.313° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

After

1. 2.571 km S of Atka, AlaskaMon, Oct 22, 4:52 PM HADT · 2901 days ago · 35 km deep · 32 km away
2. 2.182 km ESE of Atka, AlaskaMon, Oct 22, 8:33 PM HADT · 2901 days ago · 44 km deep · 78 km away
3. 1.6103 km ESE of Adak, AlaskaMon, Oct 22, 10:46 PM HADT · 2901 days ago · 26 km deep · 87 km away
4. 2.489 km SSW of Atka, AlaskaWed, Oct 24, 12:22 PM HADT · 2899 days ago · 33 km deep · 53 km away
5. 3.943 km ESE of Atka, AlaskaWed, Oct 24, 5:13 PM HADT · 2899 days ago · 95 km deep · 57 km away
6. 1.968 km E of Adak, AlaskaFri, Oct 26, 5:03 AM HADT · 2897 days ago · 29 km deep · 92 km away
7. 1.6103 km SSW of Atka, AlaskaFri, Oct 26, 10:35 PM HADT · 2897 days ago · 0 km deep · 68 km away
8. 2.969 km WSW of Atka, AlaskaSat, Oct 27, 9:17 AM HADT · 2896 days ago · 117 km deep · 62 km away
9. 4.093 km SW of Atka, AlaskaSat, Oct 27, 12:44 PM HADT · 2896 days ago · 36 km deep · 66 km away
10. 2.022 km W of Atka, AlaskaSat, Oct 27, 5:24 PM HADT · 2896 days ago · 146 km deep · 44 km away
11. 3.564 km ENE of Atka, AlaskaSun, Oct 28, 2:33 PM HADT · 2895 days ago · 114 km deep · 97 km away
12. 2.395 km SW of Atka, AlaskaSun, Oct 28, 3:52 PM HADT · 2895 days ago · 49 km deep · 68 km away
13. 2.2108 km SSW of Atka, AlaskaMon, Oct 29, 2:01 PM HADT · 2894 days ago · 40 km deep · 71 km away
14. 1.695 km S of Atka, AlaskaTue, Oct 30, 3:56 AM HADT · 2893 days ago · 27 km deep · 58 km away
15. 4.693 km S of Atka, AlaskaWed, Oct 31, 11:47 AM HADT · 2892 days ago · 10 km deep · 53 km away
16. 2.586 km S of Atka, AlaskaWed, Oct 31, 4:46 PM HADT · 2892 days ago · 35 km deep · 48 km away
17. 2.396 km SW of Atka, AlaskaThu, Nov 1, 9:11 PM HADT · 2891 days ago · 50 km deep · 69 km away
18. 3.078 km SSW of Atka, AlaskaFri, Nov 2, 8:38 AM HADT · 2890 days ago · 33 km deep · 38 km away
19. 2.344 km N of Atka, AlaskaSat, Nov 3, 1:49 PM HADT · 2889 days ago · 164 km deep · 84 km away
20. 2.162 km SSE of Atka, AlaskaSat, Nov 3, 11:19 PM HADT · 2889 days ago · 4 km deep · 37 km away
21. 1.887 km WSW of Atka, AlaskaMon, Nov 5, 7:04 AM HAST · 2887 days ago · 74 km deep · 71 km away
22. 1.656 km SW of Atka, AlaskaTue, Nov 6, 6:37 AM HAST · 2886 days ago · 16 km deep · 26 km away
23. 2.753 km NNE of Atka, AlaskaTue, Nov 6, 11:13 PM HAST · 2886 days ago · 167 km deep · 94 km away
24. 1.741 km S of Atka, AlaskaTue, Nov 6, 11:47 PM HAST · 2885 days ago · 47 km deep · 3 km away
25. 2.166 km SE of Atka, AlaskaThu, Nov 8, 4:26 PM HAST · 2884 days ago · 30 km deep · 58 km away
26. 4.356 km NNW of Atka, AlaskaSun, Nov 11, 6:49 AM HAST · 2881 days ago · 166 km deep · 92 km away
27. 1.845 km SE of Atka, AlaskaThu, Nov 15, 9:30 AM HAST · 2877 days ago · 47 km deep · 37 km away
28. 2.619 km N of Atka, AlaskaThu, Nov 15, 4:31 PM HAST · 2877 days ago · 178 km deep · 59 km away
29. 3.017 km SE of Atka, AlaskaFri, Nov 16, 3:27 PM HAST · 2876 days ago · 10 km deep · 32 km away
30. 3.012 km SE of Atka, AlaskaSat, Nov 17, 2:31 AM HAST · 2875 days ago · 10 km deep · 35 km away
31. 1.563 km SSW of Atka, AlaskaSat, Nov 17, 8:18 AM HAST · 2875 days ago · 22 km deep · 25 km away
32. 2.060 km SW of Atka, AlaskaSat, Nov 17, 6:34 PM HAST · 2875 days ago · 22 km deep · 33 km away
33. 1.660 km SW of Atka, AlaskaSun, Nov 18, 4:59 AM HAST · 2874 days ago · 25 km deep · 34 km away
34. 1.723 km SW of Atka, AlaskaTue, Nov 20, 9:15 AM HAST · 2872 days ago · 75 km deep · 27 km away
35. 2.228 km SE of Atka, AlaskaTue, Nov 20, 4:07 PM HAST · 2872 days ago · 147 km deep · 34 km away
36. 2.176 km SE of Atka, AlaskaWed, Nov 21, 12:43 AM HAST · 2871 days ago · 30 km deep · 72 km away
37. 4.753 km N of Atka, AlaskaWed, Nov 21, 1:14 PM HAST · 2871 days ago · 194 km deep · 93 km away
38. 2.497 km SW of Atka, AlaskaSun, Nov 25, 10:44 PM HAST · 2867 days ago · 26 km deep · 67 km away
39. 1.992 km SW of Atka, AlaskaMon, Nov 26, 4:09 AM HAST · 2866 days ago · 26 km deep · 63 km away
40. 2.250 km SSW of Atka, AlaskaMon, Nov 26, 7:17 AM HAST · 2866 days ago · 20 km deep · 11 km away
41. 2.433 km NNE of Atka, AlaskaWed, Nov 28, 11:45 AM HAST · 2864 days ago · 60 km deep · 73 km away
42. 2.157 km SW of Atka, AlaskaThu, Nov 29, 3:52 PM HAST · 2863 days ago · 40 km deep · 28 km away
43. 2.883 km S of Atka, AlaskaSun, Dec 2, 3:04 PM HAST · 2860 days ago · 35 km deep · 43 km away
44. 2.822 km NNW of Atka, AlaskaMon, Dec 3, 11:06 PM HAST · 2859 days ago · 206 km deep · 62 km away
45. 1.9100 km ESE of Adak, AlaskaWed, Dec 5, 9:46 AM HAST · 2857 days ago · 36 km deep · 74 km away
46. 2.386 km SSW of Atka, AlaskaWed, Dec 5, 6:53 PM HAST · 2857 days ago · 14 km deep · 45 km away
47. 2.840 km E of Atka, AlaskaThu, Dec 6, 4:12 AM HAST · 2856 days ago · 35 km deep · 62 km away
48. 2.129 km W of Atka, AlaskaThu, Dec 6, 11:56 PM HAST · 2855 days ago · 11 km deep · 44 km away
49. 1.528 km W of Atka, AlaskaFri, Dec 7, 11:43 AM HAST · 2855 days ago · 13 km deep · 43 km away
50. 1.848 km E of Atka, AlaskaFri, Dec 7, 5:34 PM HAST · 2855 days ago · 16 km deep · 69 km away
51. 1.951 km SSE of Atka, AlaskaSat, Dec 8, 8:07 AM HAST · 2854 days ago · 9 km deep · 29 km away
52. 3.994 km SSW of Atka, AlaskaSun, Dec 9, 10:41 AM HAST · 2853 days ago · 41 km deep · 55 km away
53. 1.657 km SSW of Atka, AlaskaTue, Dec 11, 6:36 AM HAST · 2851 days ago · 18 km deep · 25 km away
54. 1.518 km NE of Atka, AlaskaTue, Dec 11, 2:26 PM HAST · 2851 days ago · 19 km deep · 56 km away
55. 1.855 km SW of Atka, AlaskaWed, Dec 12, 12:12 PM HAST · 2850 days ago · 59 km deep · 37 km away
56. 2.415 km SE of Atka, AlaskaThu, Dec 13, 1:00 AM HAST · 2849 days ago · 135 km deep · 32 km away
57. 1.880 km E of Adak, AlaskaThu, Dec 13, 1:22 AM HAST · 2849 days ago · 18 km deep · 81 km away
58. 2.0106 km ESE of Adak, AlaskaThu, Dec 13, 4:51 AM HAST · 2849 days ago · 25 km deep · 75 km away
59. 2.642 km E of Atka, AlaskaFri, Dec 14, 7:50 AM HAST · 2848 days ago · 131 km deep · 60 km away
60. 1.856 km SSW of Atka, AlaskaSat, Dec 15, 2:46 AM HAST · 2847 days ago · 38 km deep · 20 km away

The first 60 of 71.

Before

1. 2.173 km E of Atka, AlaskaSun, Oct 21, 12:45 PM HADT · 2902 days ago · 11 km deep · 92 km away
2. 3.986 km SW of Atka, AlaskaFri, Oct 19, 2:19 PM HADT · 2904 days ago · 35 km deep · 52 km away
3. 3.8100 km S of Atka, AlaskaThu, Oct 18, 5:12 PM HADT · 2905 days ago · 27 km deep · 62 km away
4. 2.071 km E of Atka, AlaskaThu, Oct 18, 8:58 AM HADT · 2905 days ago · 11 km deep · 89 km away
5. 1.754 km SSW of Atka, AlaskaThu, Oct 18, 7:50 AM HADT · 2905 days ago · 10 km deep · 19 km away
6. 2.067 km SW of Atka, AlaskaThu, Oct 18, 4:31 AM HADT · 2905 days ago · 41 km deep · 37 km away
7. 1.988 km E of Adak, AlaskaTue, Oct 16, 6:23 AM HADT · 2907 days ago · 51 km deep · 74 km away
8. 2.144 km SSE of Atka, AlaskaMon, Oct 15, 12:08 AM HADT · 2909 days ago · 56 km deep · 23 km away
9. 4.172 km SSW of Atka, AlaskaSun, Oct 14, 11:59 AM HADT · 2909 days ago · 42 km deep · 34 km away
10. 2.048 km E of Atka, AlaskaFri, Oct 12, 1:35 PM HADT · 2911 days ago · 18 km deep · 70 km away
11. 2.026 km E of Atka, AlaskaFri, Oct 12, 5:19 AM HADT · 2911 days ago · 94 km deep · 52 km away
12. 2.281 km W of Atka, AlaskaThu, Oct 11, 9:44 AM HADT · 2912 days ago · 136 km deep · 90 km away
13. 1.8113 km S of Atka, AlaskaThu, Oct 11, 9:22 AM HADT · 2912 days ago · 18 km deep · 76 km away
14. 2.462 km SE of Atka, AlaskaThu, Oct 11, 7:27 AM HADT · 2912 days ago · 32 km deep · 52 km away
15. 2.368 km SW of Atka, AlaskaWed, Oct 10, 10:58 PM HADT · 2913 days ago · 121 km deep · 46 km away
16. 2.788 km WNW of Atka, AlaskaWed, Oct 10, 5:49 PM HADT · 2913 days ago · 213 km deep · 100 km away
17. 2.679 km SW of Atka, AlaskaWed, Oct 10, 2:43 PM HADT · 2913 days ago · 230 km deep · 59 km away
18. 2.724 km E of Atka, AlaskaWed, Oct 10, 6:27 AM HADT · 2913 days ago · 106 km deep · 48 km away
19. 3.354 km ENE of Atka, AlaskaSat, Oct 6, 5:53 PM HADT · 2917 days ago · 279 km deep · 81 km away
20. 1.867 km E of Adak, AlaskaSat, Oct 6, 3:17 PM HADT · 2917 days ago · 27 km deep · 93 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018dk4qlr2 (also filed as ak20288843). Read Thu, Oct 1, 2026, 8:51 PM UTC.