M2.8 earthquake 121 km WSW of Adak, Alaska

Magnitude

2.8 (ml), micro

Local time

Fri, Dec 22, 2023, 11:56 PM HAST

UTC

2023-12-23 09:56:41 UTC

Depth

35.0 km (21.7 mi), shallow

Epicenter

51.416° N, 178.226° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.8 km horizontally, 2.0 km in depth

Magnitude uncertainty

±0.09

Depth from

Operator assigned

Station coverage gap

198°, poorly surrounded by stations

Stations used

19

After

1. 2.251 km W of Adak, AlaskaSat, Dec 23, 4:32 AM HAST · 1012 days ago · 79 km deep · 75 km away
2. 2.285 km WSW of Adak, AlaskaSat, Dec 23, 9:23 AM HAST · 1012 days ago · 76 km deep · 37 km away
3. 3.5130 km SW of Adak, AlaskaSat, Dec 23, 12:33 PM HAST · 1012 days ago · 35 km deep · 25 km away
4. 2.887 km WSW of Adak, AlaskaSat, Dec 23, 10:20 PM HAST · 1012 days ago · 69 km deep · 34 km away
5. 1.9128 km WSW of Adak, AlaskaSun, Dec 24, 5:13 AM HAST · 1011 days ago · 8 km deep · 29 km away
6. 1.7118 km WSW of Adak, AlaskaSun, Dec 24, 6:47 AM HAST · 1011 days ago · 20 km deep · 6 km away
7. 1.9132 km SW of Adak, AlaskaSun, Dec 24, 9:51 AM HAST · 1011 days ago · 21 km deep · 31 km away
8. 1.541 km SW of Adak, AlaskaSun, Dec 24, 12:31 PM HAST · 1011 days ago · 50 km deep · 82 km away
9. 2.0118 km WSW of Adak, AlaskaSun, Dec 24, 2:01 PM HAST · 1011 days ago · 21 km deep · 4 km away
10. 3.072 km SSW of Adak, AlaskaSun, Dec 24, 9:30 PM HAST · 1011 days ago · 35 km deep · 83 km away
11. 1.659 km W of Adak, AlaskaSun, Dec 24, 11:17 PM HAST · 1011 days ago · 13 km deep · 67 km away
12. 1.760 km W of Adak, AlaskaMon, Dec 25, 3:23 PM HAST · 1010 days ago · 2 km deep · 65 km away
13. 2.7158 km WSW of Adak, AlaskaMon, Dec 25, 3:49 PM HAST · 1010 days ago · 33 km deep · 40 km away
14. 2.4219 km WSW of Adak, AlaskaMon, Dec 25, 4:52 PM HAST · 1010 days ago · 9 km deep · 99 km away
15. 2.3134 km WSW of Adak, AlaskaMon, Dec 25, 8:24 PM HAST · 1010 days ago · 25 km deep · 13 km away
16. 2.188 km WSW of Adak, AlaskaTue, Dec 26, 4:17 AM HAST · 1009 days ago · 50 km deep · 34 km away
17. 2.3208 km WSW of Adak, AlaskaTue, Dec 26, 5:33 PM HAST · 1009 days ago · 33 km deep · 91 km away
18. 2.2205 km WSW of Adak, AlaskaTue, Dec 26, 5:40 PM HAST · 1009 days ago · 34 km deep · 89 km away
19. 2.2120 km SW of Adak, AlaskaTue, Dec 26, 8:31 PM HAST · 1009 days ago · 23 km deep · 21 km away
20. 3.3168 km WSW of Adak, AlaskaWed, Dec 27, 9:25 AM HAST · 1008 days ago · 28 km deep · 49 km away
21. 3.2167 km WSW of Adak, AlaskaWed, Dec 27, 9:26 AM HAST · 1008 days ago · 26 km deep · 47 km away
22. 2.064 km SSW of Adak, AlaskaWed, Dec 27, 10:23 AM HAST · 1008 days ago · 46 km deep · 79 km away
23. 1.869 km SW of Adak, AlaskaWed, Dec 27, 12:22 PM HAST · 1008 days ago · 33 km deep · 54 km away
24. 2.0124 km WSW of Adak, AlaskaWed, Dec 27, 12:58 PM HAST · 1008 days ago · 25 km deep · 3 km away
25. 2.8125 km WSW of Adak, AlaskaThu, Dec 28, 3:29 PM HAST · 1007 days ago · 35 km deep · 8 km away
26. 3.569 km WSW of Adak, AlaskaFri, Dec 29, 1:41 AM HAST · 1007 days ago · 55 km deep · 52 km away
27. 2.193 km SW of Adak, AlaskaFri, Dec 29, 2:10 AM HAST · 1007 days ago · 31 km deep · 42 km away
28. 2.690 km SW of Adak, AlaskaFri, Dec 29, 5:07 AM HAST · 1006 days ago · 35 km deep · 47 km away
29. 2.7200 km WSW of Adak, AlaskaFri, Dec 29, 1:53 PM HAST · 1006 days ago · 68 km deep · 87 km away
30. 2.2153 km WSW of Adak, AlaskaSat, Dec 30, 5:42 AM HAST · 1005 days ago · 18 km deep · 36 km away
31. 2.161 km WSW of Adak, AlaskaSat, Dec 30, 9:56 PM HAST · 1005 days ago · 69 km deep · 59 km away
32. 3.0119 km WSW of Adak, AlaskaSat, Dec 30, 11:06 PM HAST · 1005 days ago · 57 km deep · 12 km away
33. 2.4135 km WSW of Adak, AlaskaSun, Dec 31, 1:26 AM HAST · 1005 days ago · 78 km deep · 31 km away
34. 1.950 km WSW of Adak, AlaskaSun, Dec 31, 11:20 AM HAST · 1004 days ago · 68 km deep · 70 km away
35. 2.2137 km SSW of Adak, AlaskaMon, Jan 1, 2:33 PM HAST · 1003 days ago · 25 km deep · 76 km away
36. 2.8135 km SSW of Adak, AlaskaMon, Jan 1, 2:38 PM HAST · 1003 days ago · 28 km deep · 76 km away
37. 3.079 km SW of Adak, AlaskaTue, Jan 2, 7:06 AM HAST · 1002 days ago · 32 km deep · 50 km away
38. 3.764 km W of Adak, AlaskaMon, Jan 8, 8:46 PM HAST · 996 days ago · 72 km deep · 66 km away
39. 4.3180 km WSW of Adak, AlaskaFri, Jan 12, 3:28 PM HAST · 992 days ago · 47 km deep · 59 km away
40. 3.651 km SSW of Adak, AlaskaSun, Jan 14, 2:29 AM HAST · 991 days ago · 35 km deep · 94 km away
41. 2.5217 km WSW of Adak, AlaskaMon, Jan 22, 5:58 AM HAST · 982 days ago · 10 km deep · 96 km away
42. 3.0212 km WSW of Adak, AlaskaThu, Jan 25, 4:37 PM HAST · 979 days ago · 35 km deep · 92 km away
43. 2.995 km SW of Adak, AlaskaSat, Jan 27, 9:25 PM HAST · 977 days ago · 35 km deep · 33 km away
44. 2.6194 km WSW of Adak, AlaskaSun, Jan 28, 10:19 AM HAST · 976 days ago · 67 km deep · 81 km away
45. 1.8126 km WSW of Adak, AlaskaSun, Jan 28, 12:54 PM HAST · 976 days ago · 25 km deep · 9 km away
46. 2.068 km SW of Adak, AlaskaSun, Jan 28, 3:13 PM HAST · 976 days ago · 33 km deep · 56 km away
47. 2.1175 km W of Adak, AlaskaMon, Jan 29, 12:11 AM HAST · 976 days ago · 80 km deep · 70 km away
48. 4.0103 km SW of Adak, AlaskaMon, Jan 29, 5:58 AM HAST · 975 days ago · 53 km deep · 28 km away
49. 1.8127 km WSW of Adak, AlaskaMon, Jan 29, 8:11 AM HAST · 975 days ago · 14 km deep · 21 km away
50. 1.8127 km WSW of Adak, AlaskaMon, Jan 29, 8:12 AM HAST · 975 days ago · 14 km deep · 24 km away
51. 2.673 km SW of Adak, AlaskaMon, Jan 29, 2:49 PM HAST · 975 days ago · 35 km deep · 64 km away
52. 2.2158 km WSW of Adak, AlaskaMon, Jan 29, 3:31 PM HAST · 975 days ago · 25 km deep · 39 km away
53. 2.6147 km WSW of Adak, AlaskaMon, Jan 29, 6:51 PM HAST · 975 days ago · 19 km deep · 27 km away
54. 1.9146 km WSW of Adak, AlaskaMon, Jan 29, 8:43 PM HAST · 975 days ago · 16 km deep · 28 km away
55. 1.9168 km WSW of Adak, AlaskaMon, Jan 29, 8:45 PM HAST · 975 days ago · 9 km deep · 52 km away
56. 1.7106 km WSW of Adak, AlaskaMon, Jan 29, 10:53 PM HAST · 975 days ago · 28 km deep · 16 km away
57. 1.9144 km WSW of Adak, AlaskaTue, Jan 30, 1:49 AM HAST · 975 days ago · 11 km deep · 26 km away
58. 2.1122 km WSW of Adak, AlaskaTue, Jan 30, 4:15 AM HAST · 974 days ago · 28 km deep · 14 km away
59. 2.0119 km SW of Adak, AlaskaTue, Jan 30, 5:31 AM HAST · 974 days ago · 38 km deep · 20 km away
60. 1.9144 km WSW of Adak, AlaskaTue, Jan 30, 1:25 PM HAST · 974 days ago · 16 km deep · 27 km away

The first 60 of 146.

Before

1. 2.7208 km WSW of Adak, AlaskaFri, Dec 22, 3:04 PM HAST · 1013 days ago · 68 km deep · 96 km away
2. 2.749 km SW of Adak, AlaskaFri, Dec 22, 2:55 PM HAST · 1013 days ago · 68 km deep · 82 km away
3. 1.984 km W of Adak, AlaskaFri, Dec 22, 12:15 PM HAST · 1013 days ago · 10 km deep · 55 km away
4. 1.598 km WSW of Adak, AlaskaFri, Dec 22, 7:14 AM HAST · 1013 days ago · 19 km deep · 23 km away
5. 2.3152 km WSW of Adak, AlaskaFri, Dec 22, 5:28 AM HAST · 1013 days ago · 22 km deep · 32 km away
6. 2.8121 km WSW of Adak, AlaskaThu, Dec 21, 3:29 PM HAST · 1014 days ago · 35 km deep · 5 km away
7. 2.9207 km W of Adak, AlaskaThu, Dec 21, 5:21 AM HAST · 1014 days ago · 73 km deep · 97 km away
8. 2.084 km SW of Adak, AlaskaTue, Dec 19, 9:58 PM HAST · 1016 days ago · 13 km deep · 41 km away
9. 2.8168 km WSW of Adak, AlaskaTue, Dec 19, 4:43 PM HAST · 1016 days ago · 69 km deep · 55 km away
10. 4.5125 km SW of Adak, AlaskaTue, Dec 19, 4:04 PM HAST · 1016 days ago · 46 km deep · 20 km away
11. 4.7134 km SW of Adak, AlaskaTue, Dec 19, 3:54 PM HAST · 1016 days ago · 24 km deep · 41 km away
12. 2.3138 km WSW of Adak, AlaskaTue, Dec 19, 2:39 PM HAST · 1016 days ago · 88 km deep · 33 km away
13. 4.0119 km WNW of Adak, AlaskaTue, Dec 19, 1:21 PM HAST · 1016 days ago · 221 km deep · 87 km away
14. 1.640 km W of Adak, AlaskaTue, Dec 19, 10:37 AM HAST · 1016 days ago · 7 km deep · 89 km away
15. 1.837 km WNW of Adak, AlaskaTue, Dec 19, 2:07 AM HAST · 1017 days ago · 5 km deep · 98 km away
16. 2.8192 km W of Adak, AlaskaTue, Dec 19, 2:03 AM HAST · 1017 days ago · 67 km deep · 81 km away
17. 1.639 km WNW of Adak, AlaskaTue, Dec 19, 1:17 AM HAST · 1017 days ago · 4 km deep · 95 km away
18. 2.935 km W of Adak, AlaskaMon, Dec 18, 9:31 PM HAST · 1017 days ago · 5 km deep · 92 km away
19. 2.577 km SSW of Adak, AlaskaMon, Dec 18, 7:24 PM HAST · 1017 days ago · 35 km deep · 82 km away
20. 2.1122 km WSW of Adak, AlaskaMon, Dec 18, 4:56 AM HAST · 1017 days ago · 26 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000m2u7 (also filed as ak023gekjvxs). Read Thu, Oct 1, 2026, 1:30 AM UTC.