M3.9 earthquake 63 km NW of Atka, Alaska

Magnitude

3.9 (mb), minor

Local time

Fri, Nov 17, 2023, 9:30 PM HAST

UTC

2023-11-18 07:30:56 UTC

Depth

221.4 km (137.6 mi), intermediate-depth

Epicenter

52.601° N, 174.863° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 10.7 km horizontally, 8.4 km in depth

Magnitude uncertainty

±0.11

Depth from

From location

Station coverage gap

117°

Stations used

84

After

1. 2.053 km SW of Atka, AlaskaSat, Nov 18, 2:36 PM HAST · 1047 days ago · 21 km deep · 83 km away
2. 3.240 km WNW of Atka, AlaskaMon, Nov 20, 9:51 AM HAST · 1045 days ago · 175 km deep · 26 km away
3. 2.783 km SW of Atka, AlaskaWed, Nov 22, 6:37 PM HAST · 1043 days ago · 62 km deep · 96 km away
4. 1.927 km E of Atka, AlaskaSat, Nov 25, 1:03 AM HAST · 1041 days ago · 13 km deep · 87 km away
5. 1.950 km W of Atka, AlaskaSun, Nov 26, 6:14 PM HAST · 1039 days ago · 14 km deep · 43 km away
6. 2.46 km W of Atka, AlaskaMon, Nov 27, 5:07 AM HAST · 1038 days ago · 137 km deep · 60 km away
7. 3.529 km ESE of Atka, AlaskaMon, Nov 27, 5:15 AM HAST · 1038 days ago · 97 km deep · 92 km away
8. 2.767 km W of Atka, AlaskaFri, Dec 1, 9:00 AM HAST · 1034 days ago · 132 km deep · 47 km away
9. 1.931 km ESE of Atka, AlaskaFri, Dec 1, 4:29 PM HAST · 1034 days ago · 6 km deep · 94 km away
10. 1.818 km WSW of Atka, AlaskaSat, Dec 2, 7:51 AM HAST · 1033 days ago · 6 km deep · 62 km away
11. 1.950 km WSW of Atka, AlaskaSat, Dec 2, 12:38 PM HAST · 1033 days ago · 52 km deep · 73 km away
12. 3.174 km E of Adak, AlaskaSun, Dec 3, 7:38 PM HAST · 1032 days ago · 78 km deep · 95 km away
13. 2.337 km ENE of Atka, AlaskaMon, Dec 4, 2:44 AM HAST · 1032 days ago · 13 km deep · 89 km away
14. 3.0106 km NNE of Adak, AlaskaTue, Dec 5, 3:21 AM HAST · 1031 days ago · 212 km deep · 96 km away
15. 3.268 km WSW of Atka, AlaskaTue, Dec 5, 10:25 AM HAST · 1030 days ago · 82 km deep · 69 km away
16. 2.230 km SE of Atka, AlaskaTue, Dec 5, 12:59 PM HAST · 1030 days ago · 80 km deep · 94 km away
17. 1.870 km SW of Atka, AlaskaFri, Dec 8, 1:06 AM HAST · 1028 days ago · 43 km deep · 92 km away
18. 2.657 km ENE of Adak, AlaskaFri, Dec 8, 10:50 AM HAST · 1027 days ago · 147 km deep · 89 km away
19. 2.682 km W of Atka, AlaskaSun, Dec 10, 3:59 AM HAST · 1026 days ago · 106 km deep · 63 km away
20. 3.146 km NNW of Atka, AlaskaMon, Dec 11, 2:31 AM HAST · 1025 days ago · 206 km deep · 22 km away
21. 1.932 km ESE of Atka, AlaskaMon, Dec 11, 6:54 PM HAST · 1024 days ago · 5 km deep · 95 km away
22. 2.042 km W of Atka, AlaskaTue, Dec 12, 1:28 AM HAST · 1024 days ago · 14 km deep · 47 km away
23. 1.934 km ESE of Atka, AlaskaTue, Dec 12, 1:37 AM HAST · 1024 days ago · 4 km deep · 97 km away
24. 4.136 km NW of Atka, AlaskaTue, Dec 12, 5:03 AM HAST · 1023 days ago · 177 km deep · 29 km away
25. 4.384 km WSW of Atka, AlaskaTue, Dec 12, 10:32 AM HAST · 1023 days ago · 48 km deep · 93 km away
26. 2.377 km W of Atka, AlaskaTue, Dec 12, 4:29 PM HAST · 1023 days ago · 136 km deep · 54 km away
27. 2.065 km WSW of Atka, AlaskaThu, Dec 14, 9:23 AM HAST · 1021 days ago · 61 km deep · 79 km away
28. 1.971 km WSW of Atka, AlaskaSat, Dec 16, 8:12 PM HAST · 1019 days ago · 63 km deep · 70 km away
29. 3.855 km NW of Atka, AlaskaMon, Dec 18, 5:11 AM HAST · 1017 days ago · 193 km deep · 11 km away
30. 2.574 km W of Atka, AlaskaTue, Dec 19, 8:00 AM HAST · 1016 days ago · 117 km deep · 59 km away
31. 2.157 km SSW of Atka, AlaskaTue, Dec 19, 4:51 PM HAST · 1016 days ago · 42 km deep · 97 km away
32. 2.137 km E of Atka, AlaskaTue, Dec 19, 7:11 PM HAST · 1016 days ago · 13 km deep · 91 km away
33. 2.566 km WSW of Atka, AlaskaWed, Dec 20, 5:29 PM HAST · 1015 days ago · 81 km deep · 67 km away
34. 3.121 km SE of Atka, AlaskaSat, Dec 23, 9:06 AM HAST · 1012 days ago · 134 km deep · 85 km away
35. 3.235 km E of Atka, AlaskaSun, Dec 24, 2:44 AM HAST · 1012 days ago · 179 km deep · 88 km away
36. 2.182 km ENE of Adak, AlaskaSun, Dec 24, 4:56 AM HAST · 1011 days ago · 95 km deep · 74 km away
37. 1.929 km S of Atka, AlaskaSun, Dec 24, 11:08 AM HAST · 1011 days ago · 65 km deep · 88 km away
38. 1.823 km SSW of Atka, AlaskaSun, Dec 24, 8:14 PM HAST · 1011 days ago · 60 km deep · 73 km away
39. 3.639 km N of Atka, AlaskaThu, Dec 28, 5:15 PM HAST · 1007 days ago · 223 km deep · 46 km away
40. 3.987 km NNE of Adak, AlaskaThu, Dec 28, 9:44 PM HAST · 1007 days ago · 216 km deep · 74 km away
41. 2.467 km NE of Adak, AlaskaSat, Dec 30, 9:14 PM HAST · 1005 days ago · 149 km deep · 85 km away
42. 2.035 km SE of Atka, AlaskaSun, Dec 31, 6:22 AM HAST · 1004 days ago · 16 km deep · 99 km away
43. 3.133 km ESE of Atka, AlaskaSun, Dec 31, 7:02 AM HAST · 1004 days ago · 122 km deep · 93 km away
44. 2.021 km SSW of Atka, AlaskaFri, Jan 5, 4:33 AM HAST · 999 days ago · 11 km deep · 75 km away
45. 4.250 km NNW of Atka, AlaskaSun, Jan 7, 12:18 PM HAST · 997 days ago · 177 km deep · 29 km away
46. 4.084 km NNW of Atka, AlaskaTue, Jan 9, 6:43 AM HAST · 995 days ago · 200 km deep · 28 km away

Before

1. 1.935 km ESE of Atka, AlaskaFri, Nov 17, 2:56 PM HAST · 1048 days ago · 6 km deep · 98 km away
2. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Nov 17, 2:55 PM HAST · 1048 days ago · 3 km deep · 96 km away
3. 3.252 km NNE of Atka, AlaskaFri, Nov 17, 9:35 AM HAST · 1048 days ago · 161 km deep · 65 km away
4. 2.964 km W of Atka, AlaskaThu, Nov 16, 5:00 AM HAST · 1049 days ago · 105 km deep · 59 km away
5. 2.972 km WSW of Atka, AlaskaWed, Nov 15, 9:35 PM HAST · 1050 days ago · 104 km deep · 68 km away
6. 2.830 km N of Atka, AlaskaMon, Nov 13, 6:27 PM HAST · 1052 days ago · 188 km deep · 42 km away
7. 4.49 km E of Atka, AlaskaMon, Nov 13, 9:10 AM HAST · 1052 days ago · 80 km deep · 70 km away · felt by 1
8. 2.743 km N of Atka, AlaskaMon, Nov 13, 2:29 AM HAST · 1053 days ago · 2 km deep · 52 km away
9. 3.236 km S of Atka, AlaskaSun, Nov 12, 8:58 PM HAST · 1053 days ago · 66 km deep · 92 km away
10. 2.3Andreanof Islands, Aleutian Islands, AlaskaSat, Nov 11, 2:07 PM HAST · 1054 days ago · 94 km deep · 89 km away
11. 3.953 km NE of Adak, AlaskaSun, Nov 5, 11:00 PM HAST · 1060 days ago · 129 km deep · 93 km away
12. 1.737 km ESE of Atka, AlaskaWed, Nov 1, 3:52 PM HADT · 1064 days ago · 7 km deep · 99 km away
13. 1.731 km WSW of Atka, AlaskaWed, Nov 1, 2:11 PM HADT · 1064 days ago · 79 km deep · 62 km away
14. 1.822 km WSW of Atka, AlaskaWed, Nov 1, 1:04 AM HADT · 1065 days ago · 9 km deep · 60 km away
15. 2.087 km WSW of Atka, AlaskaTue, Oct 31, 3:26 PM HADT · 1065 days ago · 66 km deep · 89 km away
16. 1.867 km W of Atka, AlaskaMon, Oct 30, 8:53 PM HADT · 1066 days ago · 76 km deep · 55 km away
17. 1.885 km E of Adak, AlaskaSat, Oct 28, 6:45 AM HADT · 1068 days ago · 70 km deep · 84 km away
18. 2.054 km WSW of Atka, AlaskaSat, Oct 28, 1:32 AM HADT · 1069 days ago · 119 km deep · 57 km away
19. 1.879 km SW of Atka, AlaskaFri, Oct 27, 9:56 PM HADT · 1069 days ago · 47 km deep · 96 km away
20. 2.042 km E of Atka, AlaskaFri, Oct 27, 7:26 PM HADT · 1069 days ago · 26 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000lpb8 (also filed as ak023esnec9x). Read Thu, Oct 1, 2026, 1:32 AM UTC.