M1.6 earthquake 23 km SE of Adak, Alaska

Magnitude

1.6 (ml), micro

Local time

Sat, Jan 23, 2021, 3:51 AM HAST

UTC

2021-01-23 13:51:52 UTC

Depth

54.0 km (33.6 mi), shallow

Epicenter

51.729° N, 176.391° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

19

After

1. 2.187 km SE of Adak, AlaskaSat, Jan 23, 4:03 AM HAST · 2070 days ago · 22 km deep · 64 km away
2. 1.657 km SSE of Adak, AlaskaSat, Jan 23, 6:23 AM HAST · 2070 days ago · 27 km deep · 39 km away
3. 1.978 km SE of Adak, AlaskaSat, Jan 23, 3:55 PM HAST · 2069 days ago · 20 km deep · 56 km away
4. 2.783 km W of Adak, AlaskaSun, Jan 24, 5:09 PM HAST · 2068 days ago · 108 km deep · 100 km away
5. 2.077 km ESE of Adak, AlaskaSun, Jan 24, 5:17 PM HAST · 2068 days ago · 50 km deep · 56 km away
6. 2.597 km SW of Atka, AlaskaSun, Jan 24, 5:47 PM HAST · 2068 days ago · 71 km deep · 84 km away
7. 1.641 km SSE of Adak, AlaskaMon, Jan 25, 8:19 PM HAST · 2067 days ago · 33 km deep · 21 km away
8. 3.043 km S of Adak, AlaskaMon, Jan 25, 10:24 PM HAST · 2067 days ago · 39 km deep · 35 km away
9. 2.896 km SSE of Adak, AlaskaTue, Jan 26, 9:41 AM HAST · 2067 days ago · 10 km deep · 77 km away
10. 1.761 km SE of Adak, AlaskaTue, Jan 26, 12:43 PM HAST · 2067 days ago · 26 km deep · 38 km away
11. 2.156 km S of Adak, AlaskaWed, Jan 27, 7:39 AM HAST · 2066 days ago · 24 km deep · 44 km away
12. 1.681 km W of Adak, AlaskaWed, Jan 27, 7:17 PM HAST · 2065 days ago · 8 km deep · 99 km away
13. 3.491 km SW of Adak, AlaskaWed, Jan 27, 9:15 PM HAST · 2065 days ago · 23 km deep · 93 km away
14. 2.186 km SE of Adak, AlaskaThu, Jan 28, 7:26 AM HAST · 2065 days ago · 25 km deep · 64 km away
15. 2.971 km SE of Adak, AlaskaThu, Jan 28, 8:13 PM HAST · 2064 days ago · 35 km deep · 49 km away
16. 2.5Andreanof Islands, Aleutian Islands, AlaskaFri, Jan 29, 7:57 AM HAST · 2064 days ago · 41 km deep · 91 km away
17. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Jan 29, 1:11 PM HAST · 2064 days ago · 34 km deep · 32 km away
18. 2.076 km WSW of Atka, AlaskaSat, Jan 30, 3:32 AM HAST · 2063 days ago · 68 km deep · 84 km away
19. 1.971 km SW of Adak, AlaskaSat, Jan 30, 6:12 AM HAST · 2063 days ago · 43 km deep · 79 km away
20. 2.293 km SE of Adak, AlaskaSat, Jan 30, 11:35 AM HAST · 2063 days ago · 20 km deep · 70 km away
21. 1.774 km SE of Adak, AlaskaSat, Jan 30, 6:24 PM HAST · 2062 days ago · 4 km deep · 51 km away
22. 3.168 km WSW of Adak, AlaskaSun, Jan 31, 2:13 AM HAST · 2062 days ago · 68 km deep · 79 km away
23. 1.874 km SW of Adak, AlaskaMon, Feb 1, 2:21 AM HAST · 2061 days ago · 50 km deep · 77 km away
24. 1.783 km SW of Adak, AlaskaMon, Feb 1, 4:52 AM HAST · 2061 days ago · 47 km deep · 91 km away
25. 1.685 km WSW of Adak, AlaskaMon, Feb 1, 6:50 AM HAST · 2061 days ago · 13 km deep · 96 km away
26. 2.885 km ESE of Adak, AlaskaMon, Feb 1, 8:15 AM HAST · 2061 days ago · 35 km deep · 63 km away
27. 1.675 km WSW of Adak, AlaskaMon, Feb 1, 9:06 AM HAST · 2061 days ago · 17 km deep · 85 km away
28. 2.048 km E of Adak, AlaskaMon, Feb 1, 10:46 AM HAST · 2061 days ago · 127 km deep · 34 km away
29. 1.979 km WSW of Adak, AlaskaMon, Feb 1, 11:04 AM HAST · 2061 days ago · 67 km deep · 89 km away
30. 1.878 km SSE of Adak, AlaskaMon, Feb 1, 1:53 PM HAST · 2061 days ago · 19 km deep · 60 km away
31. 1.8Andreanof Islands, Aleutian Islands, AlaskaMon, Feb 1, 4:47 PM HAST · 2060 days ago · 43 km deep · 33 km away
32. 1.789 km ESE of Adak, AlaskaMon, Feb 1, 8:36 PM HAST · 2060 days ago · 12 km deep · 67 km away
33. 1.865 km SSW of Adak, AlaskaTue, Feb 2, 5:36 AM HAST · 2060 days ago · 31 km deep · 62 km away
34. 1.938 km SSE of Adak, AlaskaTue, Feb 2, 5:49 AM HAST · 2060 days ago · 53 km deep · 18 km away
35. 2.159 km SE of Adak, AlaskaTue, Feb 2, 3:31 PM HAST · 2059 days ago · 26 km deep · 36 km away
36. 1.87 km SE of Adak, AlaskaTue, Feb 2, 4:20 PM HAST · 2059 days ago · 73 km deep · 16 km away
37. 1.622 km SSE of Adak, AlaskaTue, Feb 2, 5:33 PM HAST · 2059 days ago · 70 km deep · 9 km away
38. 1.650 km SSW of Adak, AlaskaTue, Feb 2, 7:33 PM HAST · 2059 days ago · 57 km deep · 47 km away
39. 2.188 km E of Adak, AlaskaTue, Feb 2, 9:13 PM HAST · 2059 days ago · 66 km deep · 72 km away
40. 2.693 km SW of Atka, AlaskaWed, Feb 3, 12:01 AM HAST · 2059 days ago · 35 km deep · 88 km away
41. 1.924 km SE of Adak, AlaskaWed, Feb 3, 1:52 AM HAST · 2059 days ago · 62 km deep · 3 km away
42. 2.530 km WNW of Adak, AlaskaWed, Feb 3, 2:46 AM HAST · 2059 days ago · 10 km deep · 52 km away
43. 1.822 km SSW of Adak, AlaskaWed, Feb 3, 6:39 PM HAST · 2058 days ago · 59 km deep · 26 km away
44. 1.5Andreanof Islands, Aleutian Islands, AlaskaWed, Feb 3, 11:45 PM HAST · 2058 days ago · 7 km deep · 96 km away
45. 1.882 km WSW of Adak, AlaskaThu, Feb 4, 8:46 AM HAST · 2058 days ago · 13 km deep · 92 km away
46. 1.787 km WSW of Adak, AlaskaThu, Feb 4, 6:57 PM HAST · 2057 days ago · 44 km deep · 98 km away
47. 1.786 km WSW of Adak, AlaskaFri, Feb 5, 1:16 AM HAST · 2057 days ago · 48 km deep · 96 km away
48. 2.730 km WNW of Adak, AlaskaFri, Feb 5, 4:35 AM HAST · 2057 days ago · 13 km deep · 52 km away
49. 2.158 km SSE of Adak, AlaskaFri, Feb 5, 5:56 AM HAST · 2057 days ago · 23 km deep · 38 km away
50. 1.863 km SSW of Adak, AlaskaSat, Feb 6, 3:52 PM HAST · 2055 days ago · 35 km deep · 58 km away
51. 2.030 km E of Adak, AlaskaSat, Feb 6, 8:40 PM HAST · 2055 days ago · 77 km deep · 19 km away
52. 3.784 km SSE of Adak, AlaskaSun, Feb 7, 5:43 AM HAST · 2055 days ago · 37 km deep · 64 km away
53. 3.598 km SSE of Adak, AlaskaSun, Feb 7, 9:36 AM HAST · 2055 days ago · 10 km deep · 79 km away
54. 2.599 km SSE of Adak, AlaskaSun, Feb 7, 2:50 PM HAST · 2054 days ago · 20 km deep · 79 km away
55. 1.895 km ESE of Adak, AlaskaSun, Feb 7, 8:29 PM HAST · 2054 days ago · 26 km deep · 73 km away
56. 3.560 km SE of Adak, AlaskaSun, Feb 7, 9:37 PM HAST · 2054 days ago · 34 km deep · 37 km away
57. 1.543 km S of Adak, AlaskaSun, Feb 7, 10:55 PM HAST · 2054 days ago · 30 km deep · 34 km away
58. 1.827 km WNW of Adak, AlaskaSun, Feb 7, 11:08 PM HAST · 2054 days ago · 6 km deep · 49 km away
59. 2.148 km ESE of Adak, AlaskaMon, Feb 8, 1:50 PM HAST · 2054 days ago · 73 km deep · 32 km away
60. 2.175 km SSE of Adak, AlaskaMon, Feb 8, 9:50 PM HAST · 2053 days ago · 26 km deep · 56 km away

The first 60 of 156.

Before

1. 2.051 km SE of Adak, AlaskaSat, Jan 23, 3:28 AM HAST · 2070 days ago · 26 km deep · 29 km away
2. 2.188 km SW of Atka, AlaskaFri, Jan 22, 9:46 PM HAST · 2070 days ago · 26 km deep · 82 km away
3. 1.584 km SW of Adak, AlaskaFri, Jan 22, 2:26 PM HAST · 2071 days ago · 14 km deep · 91 km away
4. 2.563 km ENE of Adak, AlaskaFri, Jan 22, 8:19 AM HAST · 2071 days ago · 182 km deep · 56 km away
5. 2.047 km E of Adak, AlaskaFri, Jan 22, 5:28 AM HAST · 2071 days ago · 172 km deep · 33 km away
6. 1.755 km SSW of Adak, AlaskaFri, Jan 22, 12:32 AM HAST · 2071 days ago · 22 km deep · 48 km away
7. 1.539 km S of Adak, AlaskaThu, Jan 21, 11:39 PM HAST · 2071 days ago · 39 km deep · 30 km away
8. 1.968 km SSE of Adak, AlaskaThu, Jan 21, 2:16 PM HAST · 2072 days ago · 22 km deep · 50 km away
9. 1.633 km SSW of Adak, AlaskaThu, Jan 21, 12:10 AM HAST · 2072 days ago · 36 km deep · 30 km away
10. 1.963 km E of Adak, AlaskaWed, Jan 20, 5:01 AM HAST · 2073 days ago · 21 km deep · 46 km away
11. 1.980 km SW of Adak, AlaskaWed, Jan 20, 12:45 AM HAST · 2073 days ago · 14 km deep · 87 km away
12. 1.973 km SSW of Adak, AlaskaTue, Jan 19, 6:47 PM HAST · 2073 days ago · 26 km deep · 71 km away
13. 3.558 km WSW of Adak, AlaskaTue, Jan 19, 3:09 PM HAST · 2073 days ago · 76 km deep · 72 km away
14. 2.348 km ENE of Adak, AlaskaMon, Jan 18, 9:35 PM HAST · 2074 days ago · 129 km deep · 44 km away
15. 1.760 km ESE of Adak, AlaskaMon, Jan 18, 6:39 AM HAST · 2075 days ago · 55 km deep · 43 km away
16. 3.776 km NNW of Adak, AlaskaMon, Jan 18, 1:20 AM HAST · 2075 days ago · 232 km deep · 99 km away
17. 2.491 km SW of Atka, AlaskaFri, Jan 15, 3:51 PM HAST · 2077 days ago · 16 km deep · 87 km away
18. 2.283 km ESE of Adak, AlaskaMon, Jan 11, 12:44 PM HAST · 2082 days ago · 48 km deep · 61 km away
19. 2.7100 km ESE of Adak, AlaskaMon, Jan 11, 2:18 AM HAST · 2082 days ago · 35 km deep · 80 km away
20. 2.766 km SW of Adak, AlaskaMon, Jan 11, 1:13 AM HAST · 2082 days ago · 39 km deep · 68 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021129ensx. Read Thu, Sep 24, 2026, 12:07 PM UTC.