M1.8 earthquake 87 km SE of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Mar 31, 2022, 8:40 PM HADT

UTC

2022-04-01 05:40:50 UTC

Depth

25.6 km (15.9 mi), shallow

Epicenter

51.434° N, 175.594° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

After

1. 1.627 km SW of Adak, AlaskaThu, Mar 31, 11:20 PM HADT · 1645 days ago · 66 km deep · 97 km away
2. 1.630 km ESE of Adak, AlaskaFri, Apr 1, 12:59 AM HADT · 1644 days ago · 70 km deep · 57 km away
3. 1.659 km SE of Adak, AlaskaFri, Apr 1, 6:43 AM HADT · 1644 days ago · 7 km deep · 37 km away
4. 1.536 km SSW of Adak, AlaskaFri, Apr 1, 2:24 PM HADT · 1644 days ago · 35 km deep · 81 km away
5. 2.6Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 2, 11:12 PM HADT · 1643 days ago · 23 km deep · 12 km away
6. 1.9105 km SE of Adak, AlaskaSun, Apr 3, 1:51 AM HADT · 1642 days ago · 17 km deep · 35 km away
7. 2.665 km ENE of Adak, AlaskaSun, Apr 3, 1:08 PM HADT · 1642 days ago · 199 km deep · 70 km away
8. 3.462 km SSW of Atka, AlaskaMon, Apr 4, 2:21 PM HADT · 1641 days ago · 35 km deep · 80 km away
9. 3.169 km SW of Atka, AlaskaTue, Apr 5, 5:16 AM HADT · 1640 days ago · 67 km deep · 59 km away
10. 2.687 km SW of Atka, AlaskaTue, Apr 5, 9:39 PM HADT · 1640 days ago · 25 km deep · 45 km away
11. 1.767 km SSW of Adak, AlaskaTue, Apr 5, 11:52 PM HADT · 1640 days ago · 23 km deep · 89 km away
12. 2.747 km ENE of Adak, AlaskaWed, Apr 6, 4:17 AM HADT · 1639 days ago · 133 km deep · 67 km away
13. 2.669 km ESE of Adak, AlaskaWed, Apr 6, 12:59 PM HADT · 1639 days ago · 33 km deep · 20 km away
14. 2.140 km SW of Atka, AlaskaWed, Apr 6, 2:16 PM HADT · 1639 days ago · 148 km deep · 89 km away
15. 1.864 km SSE of Adak, AlaskaWed, Apr 6, 5:33 PM HADT · 1639 days ago · 21 km deep · 44 km away
16. 1.965 km WSW of Atka, AlaskaWed, Apr 6, 9:16 PM HADT · 1639 days ago · 65 km deep · 67 km away
17. 4.056 km SW of Atka, AlaskaThu, Apr 7, 2:35 PM HADT · 1638 days ago · 35 km deep · 75 km away
18. 1.520 km SE of Adak, AlaskaFri, Apr 8, 7:40 AM HADT · 1637 days ago · 63 km deep · 68 km away
19. 2.6170 km SSE of Adak, AlaskaFri, Apr 8, 8:43 PM HADT · 1637 days ago · 28 km deep · 98 km away
20. 1.739 km S of Adak, AlaskaSat, Apr 9, 5:53 PM HADT · 1636 days ago · 37 km deep · 79 km away
21. 2.345 km E of Adak, AlaskaSun, Apr 10, 2:02 AM HADT · 1635 days ago · 79 km deep · 59 km away
22. 2.062 km SE of Adak, AlaskaSun, Apr 10, 7:28 AM HADT · 1635 days ago · 22 km deep · 36 km away
23. 1.936 km ESE of Adak, AlaskaSun, Apr 10, 8:08 AM HADT · 1635 days ago · 57 km deep · 51 km away
24. 1.880 km ENE of Adak, AlaskaSun, Apr 10, 4:07 PM HADT · 1635 days ago · 15 km deep · 72 km away
25. 1.875 km SE of Adak, AlaskaSun, Apr 10, 5:34 PM HADT · 1635 days ago · 18 km deep · 12 km away
26. 2.337 km ENE of Adak, AlaskaSun, Apr 10, 10:01 PM HADT · 1635 days ago · 127 km deep · 76 km away
27. 1.8Andreanof Islands, Aleutian Islands, AlaskaSun, Apr 10, 10:28 PM HADT · 1635 days ago · 20 km deep · 76 km away
28. 1.793 km SW of Atka, AlaskaMon, Apr 11, 3:56 AM HADT · 1634 days ago · 17 km deep · 43 km away
29. 1.9101 km ESE of Adak, AlaskaMon, Apr 11, 6:59 AM HADT · 1634 days ago · 44 km deep · 26 km away
30. 3.6Andreanof Islands, Aleutian Islands, AlaskaTue, Apr 12, 6:27 AM HADT · 1633 days ago · 82 km deep · 60 km away
31. 1.635 km SSE of Adak, AlaskaTue, Apr 12, 11:24 AM HADT · 1633 days ago · 50 km deep · 57 km away
32. 1.641 km S of Adak, AlaskaTue, Apr 12, 7:29 PM HADT · 1633 days ago · 24 km deep · 76 km away
33. 2.551 km NE of Adak, AlaskaTue, Apr 12, 8:56 PM HADT · 1633 days ago · 188 km deep · 94 km away
34. 1.539 km SSE of Adak, AlaskaWed, Apr 13, 2:57 AM HADT · 1632 days ago · 31 km deep · 55 km away
35. 1.660 km SSE of Adak, AlaskaWed, Apr 13, 3:26 AM HADT · 1632 days ago · 17 km deep · 46 km away
36. 1.561 km SSE of Adak, AlaskaWed, Apr 13, 3:53 AM HADT · 1632 days ago · 22 km deep · 39 km away
37. 1.640 km SSE of Adak, AlaskaWed, Apr 13, 6:14 AM HADT · 1632 days ago · 35 km deep · 55 km away
38. 1.762 km SE of Adak, AlaskaWed, Apr 13, 8:21 AM HADT · 1632 days ago · 23 km deep · 27 km away
39. 1.545 km SW of Atka, AlaskaWed, Apr 13, 3:01 PM HADT · 1632 days ago · 19 km deep · 82 km away
40. 1.797 km ESE of Adak, AlaskaThu, Apr 14, 2:07 AM HADT · 1631 days ago · 46 km deep · 12 km away
41. 2.691 km SW of Atka, AlaskaThu, Apr 14, 10:49 PM HADT · 1631 days ago · 35 km deep · 39 km away
42. 3.464 km SSW of Adak, AlaskaFri, Apr 15, 10:40 AM HADT · 1630 days ago · 35 km deep · 95 km away
43. 1.880 km SE of Adak, AlaskaSat, Apr 16, 12:13 AM HADT · 1630 days ago · 27 km deep · 7 km away
44. 3.776 km ESE of Adak, AlaskaSat, Apr 16, 3:01 AM HADT · 1629 days ago · 35 km deep · 21 km away
45. 2.064 km SE of Adak, AlaskaSat, Apr 16, 5:43 AM HADT · 1629 days ago · 21 km deep · 30 km away
46. 3.662 km SE of Adak, AlaskaSat, Apr 16, 8:30 AM HADT · 1629 days ago · 42 km deep · 25 km away
47. 2.1123 km SSW of Atka, AlaskaSat, Apr 16, 8:45 AM HADT · 1629 days ago · 26 km deep · 48 km away
48. 1.939 km SSE of Adak, AlaskaSat, Apr 16, 2:36 PM HADT · 1629 days ago · 51 km deep · 62 km away
49. 3.6Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 16, 3:37 PM HADT · 1629 days ago · 49 km deep · 64 km away
50. 1.857 km S of Adak, AlaskaTue, Apr 19, 4:53 AM HADT · 1626 days ago · 15 km deep · 71 km away
51. 2.068 km ESE of Adak, AlaskaTue, Apr 19, 12:24 PM HADT · 1626 days ago · 35 km deep · 30 km away
52. 3.583 km SSE of Adak, AlaskaTue, Apr 19, 1:01 PM HADT · 1626 days ago · 25 km deep · 61 km away
53. 3.089 km SSE of Adak, AlaskaTue, Apr 19, 2:20 PM HADT · 1626 days ago · 35 km deep · 66 km away
54. 1.745 km S of Adak, AlaskaWed, Apr 20, 3:19 AM HADT · 1625 days ago · 27 km deep · 66 km away
55. 2.133 km SW of Atka, AlaskaWed, Apr 20, 7:50 PM HADT · 1625 days ago · 72 km deep · 95 km away
56. 1.911 km E of Adak, AlaskaThu, Apr 21, 6:55 AM HADT · 1624 days ago · 85 km deep · 78 km away
57. 2.371 km ESE of Adak, AlaskaThu, Apr 21, 1:19 PM HADT · 1624 days ago · 26 km deep · 16 km away
58. 2.156 km S of Atka, AlaskaThu, Apr 21, 7:17 PM HADT · 1624 days ago · 13 km deep · 95 km away
59. 3.791 km SW of Atka, AlaskaFri, Apr 22, 10:47 AM HADT · 1623 days ago · 19 km deep · 37 km away
60. 1.653 km SSE of Adak, AlaskaFri, Apr 22, 9:04 PM HADT · 1623 days ago · 24 km deep · 49 km away

The first 60 of 175.

Before

1. 1.768 km ESE of Adak, AlaskaThu, Mar 31, 11:01 AM HADT · 1645 days ago · 14 km deep · 36 km away
2. 1.927 km E of Adak, AlaskaThu, Mar 31, 3:28 AM HADT · 1645 days ago · 73 km deep · 63 km away
3. 1.653 km S of Adak, AlaskaWed, Mar 30, 10:38 PM HADT · 1646 days ago · 44 km deep · 81 km away
4. 1.741 km SW of Atka, AlaskaWed, Mar 30, 10:30 PM HADT · 1646 days ago · 72 km deep · 87 km away
5. 1.973 km SW of Atka, AlaskaWed, Mar 30, 5:17 PM HADT · 1646 days ago · 42 km deep · 54 km away
6. 1.781 km ENE of Adak, AlaskaWed, Mar 30, 4:05 PM HADT · 1646 days ago · 13 km deep · 73 km away
7. 1.882 km ENE of Adak, AlaskaWed, Mar 30, 3:51 PM HADT · 1646 days ago · 13 km deep · 67 km away
8. 1.654 km SSE of Adak, AlaskaWed, Mar 30, 1:15 AM HADT · 1646 days ago · 26 km deep · 43 km away
9. 1.955 km E of Adak, AlaskaTue, Mar 29, 10:11 PM HADT · 1647 days ago · 66 km deep · 46 km away
10. 1.861 km SSE of Adak, AlaskaTue, Mar 29, 9:40 PM HADT · 1647 days ago · 43 km deep · 41 km away
11. 1.850 km S of Adak, AlaskaTue, Mar 29, 6:29 PM HADT · 1647 days ago · 30 km deep · 66 km away
12. 2.651 km SSW of Adak, AlaskaTue, Mar 29, 11:37 AM HADT · 1647 days ago · 33 km deep · 83 km away
13. 3.134 km SSW of Adak, AlaskaTue, Mar 29, 9:35 AM HADT · 1647 days ago · 61 km deep · 82 km away
14. 1.962 km SSE of Adak, AlaskaTue, Mar 29, 12:45 AM HADT · 1647 days ago · 26 km deep · 43 km away
15. 1.541 km SSW of Adak, AlaskaMon, Mar 28, 2:56 PM HADT · 1648 days ago · 22 km deep · 93 km away
16. 1.531 km SSE of Adak, AlaskaMon, Mar 28, 2:47 PM HADT · 1648 days ago · 44 km deep · 60 km away
17. 1.880 km ENE of Adak, AlaskaMon, Mar 28, 12:48 PM HADT · 1648 days ago · 17 km deep · 73 km away
18. 3.287 km SW of Atka, AlaskaMon, Mar 28, 12:33 PM HADT · 1648 days ago · 24 km deep · 42 km away
19. 1.664 km ESE of Adak, AlaskaMon, Mar 28, 6:13 AM HADT · 1648 days ago · 36 km deep · 26 km away
20. 1.553 km SSE of Adak, AlaskaSun, Mar 27, 10:00 PM HADT · 1649 days ago · 25 km deep · 43 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02246l4fik. Read Thu, Oct 1, 2026, 9:01 PM UTC.