M2.3 earthquake 147 km S of Adak, Alaska

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Dec 31, 2021, 3:52 PM HAST

UTC

2022-01-01 01:52:49 UTC

Depth

25.6 km (15.9 mi), shallow

Epicenter

50.556° N, 176.871° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

17

After

1. 2.8123 km SW of Adak, AlaskaSat, Jan 1, 8:26 AM HAST · 1735 days ago · 35 km deep · 99 km away
2. 2.664 km S of Adak, AlaskaSun, Jan 2, 3:21 AM HAST · 1735 days ago · 35 km deep · 83 km away
3. 3.2Andreanof Islands, Aleutian Islands, AlaskaWed, Jan 5, 9:53 AM HAST · 1731 days ago · 35 km deep · 98 km away
4. 1.961 km SSW of Adak, AlaskaWed, Jan 5, 4:38 PM HAST · 1731 days ago · 47 km deep · 96 km away
5. 2.7213 km SSW of Adak, AlaskaFri, Jan 7, 3:01 PM HAST · 1729 days ago · 10 km deep · 68 km away
6. 2.769 km SSW of Adak, AlaskaFri, Jan 7, 5:59 PM HAST · 1729 days ago · 35 km deep · 82 km away
7. 4.0Andreanof Isl., Aleutian Islands, AlaskaMon, Jan 10, 3:21 AM HAST · 1727 days ago · 10 km deep · 49 km away
8. 1.766 km SSW of Adak, AlaskaFri, Jan 14, 10:35 AM HAST · 1722 days ago · 34 km deep · 88 km away
9. 1.668 km SSW of Adak, AlaskaFri, Jan 14, 5:37 PM HAST · 1722 days ago · 26 km deep · 85 km away
10. 1.861 km SSW of Adak, AlaskaMon, Jan 17, 12:53 PM HAST · 1719 days ago · 46 km deep · 93 km away
11. 2.2167 km S of Adak, AlaskaMon, Jan 17, 4:57 PM HAST · 1719 days ago · 25 km deep · 23 km away
12. 2.795 km SW of Adak, AlaskaTue, Jan 18, 2:48 AM HAST · 1719 days ago · 35 km deep · 86 km away
13. 2.195 km S of Adak, AlaskaFri, Jan 21, 6:34 AM HAST · 1715 days ago · 26 km deep · 62 km away
14. 1.772 km SSE of Adak, AlaskaFri, Jan 21, 7:07 PM HAST · 1715 days ago · 2 km deep · 84 km away
15. 1.7111 km SW of Adak, AlaskaFri, Jan 21, 9:45 PM HAST · 1715 days ago · 21 km deep · 95 km away
16. 1.658 km SSW of Adak, AlaskaSun, Jan 23, 5:34 PM HAST · 1713 days ago · 37 km deep · 99 km away
17. 1.5112 km SW of Adak, AlaskaMon, Jan 24, 2:16 AM HAST · 1713 days ago · 9 km deep · 99 km away
18. 1.861 km S of Adak, AlaskaMon, Jan 24, 9:29 PM HAST · 1712 days ago · 23 km deep · 86 km away
19. 1.860 km SSW of Adak, AlaskaThu, Jan 27, 7:27 PM HAST · 1709 days ago · 43 km deep · 97 km away
20. 2.9116 km SW of Adak, AlaskaSat, Jan 29, 9:26 PM HAST · 1707 days ago · 35 km deep · 81 km away
21. 1.966 km SSW of Adak, AlaskaTue, Feb 1, 11:03 AM HAST · 1704 days ago · 26 km deep · 87 km away
22. 1.9107 km SW of Adak, AlaskaWed, Feb 2, 11:18 PM HAST · 1703 days ago · 25 km deep · 100 km away
23. 2.2136 km SW of Adak, AlaskaWed, Feb 2, 11:27 PM HAST · 1703 days ago · 18 km deep · 92 km away
24. 1.978 km SSE of Adak, AlaskaThu, Feb 3, 5:49 AM HAST · 1702 days ago · 20 km deep · 83 km away
25. 1.764 km SSW of Adak, AlaskaThu, Feb 3, 5:41 PM HAST · 1702 days ago · 37 km deep · 88 km away
26. 2.2Andreanof Islands, Aleutian Islands, AlaskaFri, Feb 4, 9:14 AM HAST · 1701 days ago · 25 km deep · 42 km away
27. 3.2164 km S of Adak, AlaskaFri, Feb 4, 2:29 PM HAST · 1701 days ago · 10 km deep · 45 km away
28. 2.8172 km S of Adak, AlaskaFri, Feb 4, 2:36 PM HAST · 1701 days ago · 10 km deep · 51 km away
29. 2.1164 km S of Adak, AlaskaFri, Feb 4, 4:41 PM HAST · 1701 days ago · 14 km deep · 47 km away
30. 2.1167 km S of Adak, AlaskaFri, Feb 4, 4:43 PM HAST · 1701 days ago · 24 km deep · 48 km away
31. 1.665 km SSE of Adak, AlaskaFri, Feb 4, 9:10 PM HAST · 1701 days ago · 28 km deep · 90 km away
32. 2.661 km SSE of Adak, AlaskaSun, Feb 6, 4:16 PM HAST · 1699 days ago · 38 km deep · 96 km away
33. 1.8120 km SW of Adak, AlaskaWed, Feb 9, 1:41 AM HAST · 1697 days ago · 26 km deep · 72 km away
34. 1.5Andreanof Islands, Aleutian Islands, AlaskaWed, Feb 9, 5:42 AM HAST · 1696 days ago · 25 km deep · 92 km away
35. 2.960 km SSE of Adak, AlaskaFri, Feb 11, 7:55 PM HAST · 1694 days ago · 35 km deep · 98 km away
36. 1.751 km S of Adak, AlaskaSat, Feb 19, 2:29 AM HAST · 1687 days ago · 24 km deep · 99 km away
37. 1.760 km SSW of Adak, AlaskaSat, Feb 19, 3:16 AM HAST · 1687 days ago · 32 km deep · 93 km away
38. 1.861 km SSW of Adak, AlaskaSat, Feb 19, 6:44 AM HAST · 1686 days ago · 34 km deep · 91 km away
39. 1.897 km SW of Adak, AlaskaSat, Feb 19, 9:59 AM HAST · 1686 days ago · 16 km deep · 92 km away
40. 1.762 km SSW of Adak, AlaskaSat, Feb 19, 5:32 PM HAST · 1686 days ago · 34 km deep · 90 km away
41. 1.871 km SW of Adak, AlaskaSun, Feb 20, 5:21 AM HAST · 1685 days ago · 23 km deep · 100 km away
42. 3.0217 km SSW of Adak, AlaskaWed, Feb 23, 3:44 PM HAST · 1682 days ago · 10 km deep · 72 km away
43. 1.756 km SSE of Adak, AlaskaWed, Feb 23, 9:53 PM HAST · 1682 days ago · 22 km deep · 99 km away
44. 2.3193 km SSE of Adak, AlaskaThu, Feb 24, 11:18 AM HAST · 1681 days ago · 32 km deep · 78 km away
45. 1.669 km SSE of Adak, AlaskaSat, Feb 26, 2:58 AM HAST · 1680 days ago · 13 km deep · 86 km away
46. 3.0214 km SSW of Adak, AlaskaSun, Feb 27, 8:45 AM HAST · 1678 days ago · 10 km deep · 90 km away
47. 1.873 km SSE of Adak, AlaskaMon, Feb 28, 3:43 AM HAST · 1678 days ago · 41 km deep · 86 km away
48. 3.661 km SSW of Adak, AlaskaMon, Feb 28, 6:54 AM HAST · 1677 days ago · 41 km deep · 93 km away
49. 3.7164 km SSW of Adak, AlaskaMon, Feb 28, 2:48 PM HAST · 1677 days ago · 10 km deep · 28 km away
50. 1.970 km SSW of Adak, AlaskaTue, Mar 1, 9:17 AM HAST · 1676 days ago · 31 km deep · 85 km away

Before

1. 2.777 km SSW of Adak, AlaskaFri, Dec 31, 11:45 AM HAST · 1736 days ago · 35 km deep · 75 km away
2. 2.8161 km S of Adak, AlaskaMon, Dec 27, 3:22 PM HAST · 1740 days ago · 10 km deep · 48 km away
3. 1.8102 km SW of Adak, AlaskaThu, Dec 23, 3:17 AM HAST · 1745 days ago · 25 km deep · 93 km away
4. 2.2171 km S of Adak, AlaskaWed, Dec 22, 8:32 PM HAST · 1745 days ago · 10 km deep · 50 km away
5. 1.951 km S of Adak, AlaskaTue, Dec 21, 10:51 AM HAST · 1746 days ago · 25 km deep · 99 km away
6. 1.953 km S of Adak, AlaskaMon, Dec 20, 8:31 PM HAST · 1747 days ago · 23 km deep · 96 km away
7. 3.2101 km SW of Adak, AlaskaSun, Dec 19, 3:07 PM HAST · 1748 days ago · 31 km deep · 81 km away
8. 3.1178 km SSW of Adak, AlaskaSat, Dec 18, 2:38 AM HAST · 1750 days ago · 10 km deep · 46 km away
9. 1.855 km SSE of Adak, AlaskaThu, Dec 16, 4:40 AM HAST · 1751 days ago · 26 km deep · 100 km away
10. 4.089 km SW of Adak, AlaskaMon, Dec 13, 3:15 PM HAST · 1754 days ago · 35 km deep · 99 km away
11. 2.676 km SSW of Adak, AlaskaMon, Dec 13, 7:30 AM HAST · 1754 days ago · 35 km deep · 81 km away
12. 1.668 km SW of Adak, AlaskaSat, Dec 11, 2:45 PM HAST · 1756 days ago · 36 km deep · 96 km away
13. 1.592 km SW of Adak, AlaskaSat, Dec 11, 5:27 AM HAST · 1756 days ago · 32 km deep · 96 km away
14. 3.3188 km SSW of Adak, AlaskaThu, Dec 9, 8:49 PM HAST · 1758 days ago · 31 km deep · 71 km away
15. 1.963 km SSW of Adak, AlaskaThu, Dec 9, 8:04 AM HAST · 1758 days ago · 35 km deep · 87 km away
16. 1.856 km S of Adak, AlaskaSun, Dec 5, 9:05 AM HAST · 1762 days ago · 45 km deep · 96 km away
17. 2.1130 km SW of Adak, AlaskaThu, Dec 2, 5:16 PM HAST · 1765 days ago · 26 km deep · 79 km away
18. 1.861 km SSW of Adak, AlaskaThu, Dec 2, 1:56 AM HAST · 1766 days ago · 40 km deep · 91 km away
19. 2.260 km SSE of Adak, AlaskaThu, Dec 2, 1:31 AM HAST · 1766 days ago · 26 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0221og14u. Read Sat, Oct 3, 2026, 2:07 AM UTC.