M1.9 earthquake 11 km E of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Apr 21, 2022, 6:55 AM HADT

UTC

2022-04-21 15:55:11 UTC

Depth

85.2 km (52.9 mi), intermediate-depth

Epicenter

51.876° N, 176.466° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 2.371 km ESE of Adak, AlaskaThu, Apr 21, 1:19 PM HADT · 1625 days ago · 26 km deep · 62 km away
2. 1.754 km SW of Adak, AlaskaFri, Apr 22, 10:31 AM HADT · 1624 days ago · 39 km deep · 62 km away
3. 3.791 km SW of Atka, AlaskaFri, Apr 22, 10:47 AM HADT · 1624 days ago · 19 km deep · 85 km away
4. 1.758 km SW of Adak, AlaskaFri, Apr 22, 8:20 PM HADT · 1624 days ago · 57 km deep · 68 km away
5. 1.653 km SSE of Adak, AlaskaFri, Apr 22, 9:04 PM HADT · 1624 days ago · 24 km deep · 50 km away
6. 1.653 km SE of Adak, AlaskaSat, Apr 23, 2:55 AM HADT · 1624 days ago · 25 km deep · 47 km away
7. 2.264 km NE of Adak, AlaskaSat, Apr 23, 3:58 AM HADT · 1624 days ago · 165 km deep · 58 km away
8. 1.57 km ESE of Adak, AlaskaSat, Apr 23, 6:09 AM HADT · 1624 days ago · 84 km deep · 5 km away
9. 1.879 km SE of Adak, AlaskaSat, Apr 23, 5:59 PM HADT · 1623 days ago · 26 km deep · 71 km away
10. 2.066 km SSE of Adak, AlaskaSun, Apr 24, 4:28 AM HADT · 1623 days ago · 22 km deep · 62 km away
11. 1.660 km SSE of Adak, AlaskaSun, Apr 24, 5:08 AM HADT · 1623 days ago · 7 km deep · 58 km away
12. 2.549 km SSE of Adak, AlaskaSun, Apr 24, 1:31 PM HADT · 1622 days ago · 35 km deep · 47 km away
13. 1.741 km SW of Adak, AlaskaMon, Apr 25, 10:23 AM HADT · 1621 days ago · 17 km deep · 52 km away
14. 1.945 km SW of Adak, AlaskaMon, Apr 25, 11:31 AM HADT · 1621 days ago · 29 km deep · 54 km away
15. 2.783 km NNE of Adak, AlaskaMon, Apr 25, 2:23 PM HADT · 1621 days ago · 173 km deep · 79 km away
16. 2.655 km SSE of Adak, AlaskaWed, Apr 27, 12:55 AM HADT · 1620 days ago · 33 km deep · 50 km away
17. 1.577 km W of Adak, AlaskaWed, Apr 27, 1:20 AM HADT · 1620 days ago · 8 km deep · 89 km away
18. 2.378 km ENE of Adak, AlaskaWed, Apr 27, 4:20 AM HADT · 1620 days ago · 155 km deep · 68 km away
19. 1.542 km SW of Adak, AlaskaWed, Apr 27, 10:00 AM HADT · 1619 days ago · 27 km deep · 52 km away
20. 1.583 km W of Adak, AlaskaWed, Apr 27, 1:59 PM HADT · 1619 days ago · 8 km deep · 95 km away
21. 1.673 km ENE of Adak, AlaskaThu, Apr 28, 2:19 AM HADT · 1619 days ago · 7 km deep · 62 km away
22. 2.162 km SSE of Adak, AlaskaThu, Apr 28, 6:58 PM HADT · 1618 days ago · 26 km deep · 61 km away
23. 1.866 km S of Adak, AlaskaThu, Apr 28, 7:17 PM HADT · 1618 days ago · 18 km deep · 67 km away
24. 1.641 km SSE of Adak, AlaskaFri, Apr 29, 10:56 AM HADT · 1617 days ago · 34 km deep · 39 km away
25. 1.956 km SSE of Adak, AlaskaFri, Apr 29, 2:32 PM HADT · 1617 days ago · 23 km deep · 52 km away
26. 1.588 km WSW of Adak, AlaskaFri, Apr 29, 9:57 PM HADT · 1617 days ago · 20 km deep · 98 km away
27. 1.856 km SSE of Adak, AlaskaSat, Apr 30, 9:36 AM HADT · 1616 days ago · 8 km deep · 51 km away
28. 2.757 km ENE of Adak, AlaskaSat, Apr 30, 10:38 AM HADT · 1616 days ago · 237 km deep · 47 km away
29. 1.685 km SW of Adak, AlaskaSat, Apr 30, 6:15 PM HADT · 1616 days ago · 36 km deep · 95 km away
30. 2.162 km SSE of Adak, AlaskaSun, May 1, 1:34 PM HADT · 1615 days ago · 46 km deep · 57 km away
31. 1.952 km S of Adak, AlaskaMon, May 2, 4:50 PM HADT · 1614 days ago · 29 km deep · 54 km away
32. 2.053 km SSW of Adak, AlaskaMon, May 2, 11:41 PM HADT · 1614 days ago · 35 km deep · 60 km away
33. 1.870 km SSW of Adak, AlaskaTue, May 3, 1:53 AM HADT · 1614 days ago · 27 km deep · 76 km away
34. 1.5Andreanof Islands, Aleutian Islands, AlaskaTue, May 3, 4:15 PM HADT · 1613 days ago · 65 km deep · 52 km away
35. 3.552 km S of Adak, AlaskaThu, May 5, 3:45 AM HADT · 1612 days ago · 35 km deep · 56 km away
36. 1.889 km SW of Adak, AlaskaThu, May 5, 3:48 AM HADT · 1612 days ago · 26 km deep · 98 km away
37. 4.743 km SSW of Adak, AlaskaThu, May 5, 1:58 PM HADT · 1611 days ago · 47 km deep · 48 km away · felt by 1
38. 1.677 km WSW of Adak, AlaskaThu, May 5, 4:51 PM HADT · 1611 days ago · 55 km deep · 88 km away
39. 2.881 km NNE of Adak, AlaskaThu, May 5, 9:14 PM HADT · 1611 days ago · 225 km deep · 78 km away
40. 1.765 km SE of Adak, AlaskaThu, May 5, 10:08 PM HADT · 1611 days ago · 21 km deep · 60 km away
41. 1.859 km SSE of Adak, AlaskaThu, May 5, 10:40 PM HADT · 1611 days ago · 21 km deep · 55 km away
42. 2.864 km SSE of Adak, AlaskaSat, May 7, 4:44 AM HADT · 1610 days ago · 35 km deep · 60 km away
43. 2.371 km ENE of Adak, AlaskaSat, May 7, 10:24 AM HADT · 1609 days ago · 237 km deep · 61 km away
44. 1.592 km SE of Adak, AlaskaSat, May 7, 6:31 PM HADT · 1609 days ago · 25 km deep · 84 km away
45. 2.057 km NE of Adak, AlaskaSun, May 8, 12:36 PM HADT · 1608 days ago · 167 km deep · 49 km away
46. 1.61 km ENE of Adak, AlaskaMon, May 9, 1:22 AM HADT · 1608 days ago · 8 km deep · 11 km away
47. 1.665 km SE of Adak, AlaskaMon, May 9, 4:00 AM HADT · 1608 days ago · 27 km deep · 57 km away
48. 1.765 km SSE of Adak, AlaskaMon, May 9, 3:47 PM HADT · 1607 days ago · 21 km deep · 63 km away
49. 3.47 km SE of Adak, AlaskaTue, May 10, 1:19 PM HADT · 1606 days ago · 10 km deep · 9 km away · felt by 1
50. 1.986 km SW of Adak, AlaskaTue, May 10, 3:47 PM HADT · 1606 days ago · 39 km deep · 96 km away
51. 3.867 km SW of Adak, AlaskaWed, May 11, 5:31 AM HADT · 1606 days ago · 67 km deep · 77 km away
52. 1.629 km SSW of Adak, AlaskaWed, May 11, 7:59 AM HADT · 1605 days ago · 51 km deep · 36 km away
53. 2.583 km ENE of Adak, AlaskaWed, May 11, 10:44 PM HADT · 1605 days ago · 152 km deep · 72 km away
54. 3.287 km SSE of Adak, AlaskaThu, May 12, 2:38 AM HADT · 1605 days ago · 24 km deep · 86 km away
55. 1.780 km SSE of Adak, AlaskaThu, May 12, 3:59 AM HADT · 1605 days ago · 14 km deep · 80 km away
56. 1.555 km SE of Adak, AlaskaThu, May 12, 12:14 PM HADT · 1604 days ago · 41 km deep · 48 km away
57. 2.026 km E of Adak, AlaskaThu, May 12, 4:40 PM HADT · 1604 days ago · 180 km deep · 15 km away
58. 2.654 km SE of Adak, AlaskaFri, May 13, 12:57 AM HADT · 1604 days ago · 38 km deep · 49 km away
59. 1.950 km NE of Adak, AlaskaFri, May 13, 6:35 AM HADT · 1604 days ago · 151 km deep · 41 km away
60. 3.596 km ESE of Adak, AlaskaFri, May 13, 12:26 PM HADT · 1603 days ago · 35 km deep · 85 km away

The first 60 of 176.

Before

1. 1.745 km S of Adak, AlaskaWed, Apr 20, 3:19 AM HADT · 1627 days ago · 27 km deep · 45 km away
2. 3.089 km SSE of Adak, AlaskaTue, Apr 19, 2:20 PM HADT · 1627 days ago · 35 km deep · 88 km away
3. 3.583 km SSE of Adak, AlaskaTue, Apr 19, 1:01 PM HADT · 1627 days ago · 25 km deep · 82 km away
4. 2.068 km ESE of Adak, AlaskaTue, Apr 19, 12:24 PM HADT · 1627 days ago · 35 km deep · 58 km away
5. 1.857 km S of Adak, AlaskaTue, Apr 19, 4:53 AM HADT · 1628 days ago · 15 km deep · 59 km away
6. 2.045 km SW of Adak, AlaskaSun, Apr 17, 10:33 AM HADT · 1629 days ago · 50 km deep · 54 km away
7. 1.861 km SW of Adak, AlaskaSat, Apr 16, 3:10 PM HADT · 1630 days ago · 53 km deep · 69 km away
8. 1.939 km SSE of Adak, AlaskaSat, Apr 16, 2:36 PM HADT · 1630 days ago · 51 km deep · 38 km away
9. 3.662 km SE of Adak, AlaskaSat, Apr 16, 8:30 AM HADT · 1630 days ago · 42 km deep · 54 km away
10. 2.064 km SE of Adak, AlaskaSat, Apr 16, 5:43 AM HADT · 1631 days ago · 21 km deep · 57 km away
11. 3.776 km ESE of Adak, AlaskaSat, Apr 16, 3:01 AM HADT · 1631 days ago · 35 km deep · 65 km away
12. 1.880 km SE of Adak, AlaskaSat, Apr 16, 12:13 AM HADT · 1631 days ago · 27 km deep · 71 km away
13. 1.678 km W of Adak, AlaskaFri, Apr 15, 10:54 AM HADT · 1631 days ago · 5 km deep · 89 km away
14. 3.464 km SSW of Adak, AlaskaFri, Apr 15, 10:40 AM HADT · 1631 days ago · 35 km deep · 69 km away
15. 2.691 km SW of Atka, AlaskaThu, Apr 14, 10:49 PM HADT · 1632 days ago · 35 km deep · 100 km away
16. 2.279 km SW of Adak, AlaskaThu, Apr 14, 4:31 PM HADT · 1632 days ago · 35 km deep · 89 km away
17. 1.781 km WSW of Adak, AlaskaThu, Apr 14, 1:45 PM HADT · 1632 days ago · 40 km deep · 92 km away
18. 1.745 km SW of Adak, AlaskaThu, Apr 14, 4:39 AM HADT · 1633 days ago · 57 km deep · 53 km away
19. 1.797 km ESE of Adak, AlaskaThu, Apr 14, 2:07 AM HADT · 1633 days ago · 46 km deep · 88 km away
20. 1.763 km SSW of Adak, AlaskaWed, Apr 13, 12:14 PM HADT · 1633 days ago · 39 km deep · 70 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02253twu73. Read Sat, Oct 3, 2026, 3:24 AM UTC.