M2.1 earthquake 46 km ESE of Adak, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Feb 20, 2022, 7:29 PM HAST

UTC

2022-02-21 05:29:37 UTC

Depth

25.8 km (16.0 mi), shallow

Epicenter

51.670° N, 176.047° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

22

After

1. 2.581 km SE of Adak, AlaskaSun, Feb 20, 11:28 PM HAST · 1687 days ago · 24 km deep · 38 km away
2. 2.859 km SE of Adak, AlaskaMon, Feb 21, 1:03 PM HAST · 1686 days ago · 35 km deep · 23 km away
3. 3.854 km SSE of Adak, AlaskaTue, Feb 22, 5:59 PM HAST · 1685 days ago · 35 km deep · 37 km away
4. 2.650 km ENE of Adak, AlaskaWed, Feb 23, 12:29 AM HAST · 1685 days ago · 162 km deep · 43 km away
5. 1.944 km SSE of Adak, AlaskaWed, Feb 23, 2:58 AM HAST · 1685 days ago · 33 km deep · 26 km away
6. 2.537 km SSW of Adak, AlaskaWed, Feb 23, 3:10 AM HAST · 1685 days ago · 35 km deep · 61 km away
7. 1.756 km SSE of Adak, AlaskaWed, Feb 23, 9:53 PM HAST · 1684 days ago · 22 km deep · 39 km away
8. 1.849 km SE of Adak, AlaskaThu, Feb 24, 2:01 AM HAST · 1684 days ago · 33 km deep · 21 km away
9. 3.9Andreanof Islands, Aleutian Islands, AlaskaThu, Feb 24, 9:02 AM HAST · 1683 days ago · 10 km deep · 43 km away
10. 2.182 km ENE of Adak, AlaskaThu, Feb 24, 7:25 PM HAST · 1683 days ago · 10 km deep · 61 km away
11. 2.831 km ENE of Adak, AlaskaFri, Feb 25, 11:49 AM HAST · 1682 days ago · 130 km deep · 34 km away
12. 3.067 km SSW of Atka, AlaskaFri, Feb 25, 1:29 PM HAST · 1682 days ago · 35 km deep · 98 km away
13. 1.966 km ESE of Adak, AlaskaFri, Feb 25, 5:11 PM HAST · 1682 days ago · 44 km deep · 20 km away
14. 2.025 km E of Adak, AlaskaFri, Feb 25, 8:15 PM HAST · 1682 days ago · 133 km deep · 28 km away
15. 1.9114 km SSW of Atka, AlaskaFri, Feb 25, 11:36 PM HAST · 1682 days ago · 9 km deep · 85 km away
16. 1.669 km SSE of Adak, AlaskaSat, Feb 26, 2:58 AM HAST · 1682 days ago · 13 km deep · 50 km away
17. 1.7108 km ESE of Adak, AlaskaSat, Feb 26, 3:03 AM HAST · 1682 days ago · 25 km deep · 62 km away
18. 2.642 km ENE of Adak, AlaskaSat, Feb 26, 4:21 AM HAST · 1682 days ago · 225 km deep · 43 km away
19. 1.548 km SW of Adak, AlaskaSat, Feb 26, 6:25 AM HAST · 1681 days ago · 46 km deep · 73 km away
20. 3.559 km WSW of Adak, AlaskaSat, Feb 26, 4:23 PM HAST · 1681 days ago · 73 km deep · 93 km away
21. 1.781 km ESE of Adak, AlaskaSun, Feb 27, 7:07 AM HAST · 1680 days ago · 33 km deep · 35 km away
22. 1.669 km SW of Atka, AlaskaSun, Feb 27, 9:17 AM HAST · 1680 days ago · 26 km deep · 81 km away
23. 3.075 km NE of Adak, AlaskaSun, Feb 27, 4:19 PM HAST · 1680 days ago · 222 km deep · 74 km away
24. 1.560 km SE of Adak, AlaskaMon, Feb 28, 1:52 AM HAST · 1680 days ago · 30 km deep · 24 km away
25. 1.873 km SSE of Adak, AlaskaMon, Feb 28, 3:43 AM HAST · 1680 days ago · 41 km deep · 51 km away
26. 3.661 km SSW of Adak, AlaskaMon, Feb 28, 6:54 AM HAST · 1679 days ago · 41 km deep · 76 km away
27. 1.546 km SW of Adak, AlaskaMon, Feb 28, 8:45 AM HAST · 1679 days ago · 43 km deep · 71 km away
28. 1.655 km SW of Adak, AlaskaMon, Feb 28, 11:04 AM HAST · 1679 days ago · 47 km deep · 87 km away
29. 1.7Andreanof Islands, Aleutian Islands, AlaskaMon, Feb 28, 12:27 PM HAST · 1679 days ago · 30 km deep · 65 km away
30. 1.644 km SW of Adak, AlaskaMon, Feb 28, 12:42 PM HAST · 1679 days ago · 44 km deep · 72 km away
31. 1.846 km S of Adak, AlaskaTue, Mar 1, 5:14 AM HAST · 1679 days ago · 36 km deep · 50 km away
32. 1.970 km SSW of Adak, AlaskaTue, Mar 1, 9:17 AM HAST · 1678 days ago · 31 km deep · 83 km away
33. 3.974 km NNE of Adak, AlaskaWed, Mar 2, 8:06 AM HAST · 1677 days ago · 174 km deep · 94 km away
34. 1.66 km NE of Adak, AlaskaWed, Mar 2, 10:33 AM HAST · 1677 days ago · 7 km deep · 44 km away
35. 2.156 km SSE of Adak, AlaskaWed, Mar 2, 2:02 PM HAST · 1677 days ago · 26 km deep · 41 km away
36. 1.644 km SW of Adak, AlaskaWed, Mar 2, 9:27 PM HAST · 1677 days ago · 50 km deep · 74 km away
37. 1.759 km SE of Adak, AlaskaThu, Mar 3, 12:08 AM HAST · 1677 days ago · 26 km deep · 17 km away
38. 2.0104 km ESE of Adak, AlaskaThu, Mar 3, 3:37 AM HAST · 1677 days ago · 25 km deep · 58 km away
39. 2.1102 km ESE of Adak, AlaskaThu, Mar 3, 7:18 AM HAST · 1676 days ago · 44 km deep · 55 km away
40. 3.5108 km ESE of Adak, AlaskaThu, Mar 3, 8:06 AM HAST · 1676 days ago · 35 km deep · 62 km away
41. 1.7101 km ESE of Adak, AlaskaThu, Mar 3, 8:29 AM HAST · 1676 days ago · 29 km deep · 55 km away
42. 4.075 km W of Atka, AlaskaThu, Mar 3, 9:20 AM HAST · 1676 days ago · 147 km deep · 71 km away
43. 1.980 km W of Atka, AlaskaThu, Mar 3, 1:05 PM HAST · 1676 days ago · 115 km deep · 68 km away
44. 2.565 km SE of Adak, AlaskaThu, Mar 3, 3:08 PM HAST · 1676 days ago · 35 km deep · 29 km away
45. 3.769 km SE of Adak, AlaskaThu, Mar 3, 3:53 PM HAST · 1676 days ago · 35 km deep · 25 km away
46. 3.859 km SSW of Adak, AlaskaThu, Mar 3, 8:47 PM HAST · 1676 days ago · 41 km deep · 78 km away
47. 2.066 km SE of Adak, AlaskaFri, Mar 4, 4:57 AM HAST · 1676 days ago · 29 km deep · 24 km away
48. 1.658 km SSE of Adak, AlaskaFri, Mar 4, 8:09 AM HAST · 1675 days ago · 32 km deep · 27 km away
49. 2.634 km SSE of Adak, AlaskaFri, Mar 4, 1:25 PM HAST · 1675 days ago · 47 km deep · 29 km away
50. 2.280 km ESE of Adak, AlaskaFri, Mar 4, 3:35 PM HAST · 1675 days ago · 46 km deep · 34 km away
51. 1.7Andreanof Islands, Aleutian Islands, AlaskaFri, Mar 4, 6:26 PM HAST · 1675 days ago · 74 km deep · 19 km away
52. 1.769 km SSW of Atka, AlaskaFri, Mar 4, 7:17 PM HAST · 1675 days ago · 19 km deep · 95 km away
53. 2.181 km SSW of Atka, AlaskaFri, Mar 4, 10:01 PM HAST · 1675 days ago · 17 km deep · 86 km away
54. 2.280 km SW of Atka, AlaskaFri, Mar 4, 10:01 PM HAST · 1675 days ago · 18 km deep · 82 km away
55. 1.566 km E of Adak, AlaskaFri, Mar 4, 10:52 PM HAST · 1675 days ago · 26 km deep · 27 km away
56. 1.556 km W of Adak, AlaskaSat, Mar 5, 9:40 AM HAST · 1674 days ago · 15 km deep · 99 km away
57. 1.997 km ESE of Adak, AlaskaSun, Mar 6, 4:05 AM HAST · 1674 days ago · 50 km deep · 53 km away
58. 1.96 km NE of Adak, AlaskaSun, Mar 6, 3:26 PM HAST · 1673 days ago · 6 km deep · 44 km away
59. 1.9Andreanof Islands, Aleutian Islands, AlaskaSun, Mar 6, 4:37 PM HAST · 1673 days ago · 25 km deep · 63 km away
60. 1.662 km SSE of Adak, AlaskaSun, Mar 6, 7:39 PM HAST · 1673 days ago · 26 km deep · 30 km away

The first 60 of at least 199.

Before

1. 2.178 km SE of Adak, AlaskaSun, Feb 20, 7:13 PM HAST · 1687 days ago · 16 km deep · 33 km away
2. 1.871 km SW of Adak, AlaskaSun, Feb 20, 5:21 AM HAST · 1687 days ago · 23 km deep · 94 km away
3. 1.762 km SSW of Adak, AlaskaSat, Feb 19, 5:32 PM HAST · 1688 days ago · 34 km deep · 75 km away
4. 1.880 km ENE of Adak, AlaskaSat, Feb 19, 2:01 PM HAST · 1688 days ago · 13 km deep · 59 km away
5. 1.861 km SSW of Adak, AlaskaSat, Feb 19, 6:44 AM HAST · 1688 days ago · 34 km deep · 73 km away
6. 1.760 km SSW of Adak, AlaskaSat, Feb 19, 3:16 AM HAST · 1689 days ago · 32 km deep · 74 km away
7. 1.751 km S of Adak, AlaskaSat, Feb 19, 2:29 AM HAST · 1689 days ago · 24 km deep · 44 km away
8. 1.658 km SE of Adak, AlaskaFri, Feb 18, 7:16 PM HAST · 1689 days ago · 26 km deep · 18 km away
9. 3.050 km ENE of Adak, AlaskaFri, Feb 18, 10:13 AM HAST · 1689 days ago · 156 km deep · 49 km away
10. 1.740 km SSE of Adak, AlaskaFri, Feb 18, 8:09 AM HAST · 1689 days ago · 33 km deep · 28 km away
11. 3.334 km S of Adak, AlaskaFri, Feb 18, 4:01 AM HAST · 1690 days ago · 68 km deep · 39 km away
12. 2.183 km ESE of Adak, AlaskaThu, Feb 17, 10:08 PM HAST · 1690 days ago · 45 km deep · 37 km away
13. 1.867 km SW of Adak, AlaskaThu, Feb 17, 8:45 PM HAST · 1690 days ago · 31 km deep · 95 km away
14. 1.953 km SE of Adak, AlaskaThu, Feb 17, 11:18 AM HAST · 1690 days ago · 32 km deep · 19 km away
15. 1.661 km SE of Adak, AlaskaTue, Feb 15, 2:30 PM HAST · 1692 days ago · 26 km deep · 21 km away
16. 1.66 km ENE of Adak, AlaskaTue, Feb 15, 2:53 AM HAST · 1693 days ago · 7 km deep · 42 km away
17. 1.759 km SE of Adak, AlaskaTue, Feb 15, 2:07 AM HAST · 1693 days ago · 25 km deep · 19 km away
18. 1.963 km SSE of Adak, AlaskaTue, Feb 15, 12:50 AM HAST · 1693 days ago · 26 km deep · 33 km away
19. 3.336 km ENE of Adak, AlaskaMon, Feb 14, 9:01 PM HAST · 1693 days ago · 134 km deep · 39 km away
20. 3.335 km SE of Adak, AlaskaSun, Feb 13, 11:43 PM HAST · 1694 days ago · 53 km deep · 20 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0222e33ibv. Read Mon, Oct 5, 2026, 2:45 AM UTC.