M1.8 earthquake 25 km S of Atka, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Apr 1, 2022, 1:41 PM HADT

UTC

2022-04-01 22:41:49 UTC

Depth

56.9 km (35.4 mi), shallow

Epicenter

51.969° N, 174.231° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 1.628 km SSW of Atka, AlaskaFri, Apr 1, 10:43 PM HADT · 1645 days ago · 59 km deep · 13 km away
2. 3.3Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 2, 6:52 AM HADT · 1645 days ago · 77 km deep · 85 km away
3. 2.694 km SSE of Atka, AlaskaSat, Apr 2, 10:45 AM HADT · 1644 days ago · 10 km deep · 76 km away
4. 2.768 km ESE of Atka, AlaskaSat, Apr 2, 1:06 PM HADT · 1644 days ago · 64 km deep · 69 km away
5. 3.3Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 2, 4:10 PM HADT · 1644 days ago · 245 km deep · 89 km away
6. 2.1111 km S of Atka, AlaskaMon, Apr 4, 3:38 AM HADT · 1643 days ago · 20 km deep · 87 km away
7. 2.152 km SSE of Atka, AlaskaMon, Apr 4, 11:07 AM HADT · 1642 days ago · 40 km deep · 36 km away
8. 3.462 km SSW of Atka, AlaskaMon, Apr 4, 2:21 PM HADT · 1642 days ago · 35 km deep · 38 km away
9. 3.169 km SW of Atka, AlaskaTue, Apr 5, 5:16 AM HADT · 1642 days ago · 67 km deep · 53 km away
10. 2.687 km SW of Atka, AlaskaTue, Apr 5, 9:39 PM HADT · 1641 days ago · 25 km deep · 68 km away
11. 2.140 km SW of Atka, AlaskaWed, Apr 6, 2:16 PM HADT · 1640 days ago · 148 km deep · 23 km away
12. 1.965 km WSW of Atka, AlaskaWed, Apr 6, 9:16 PM HADT · 1640 days ago · 65 km deep · 56 km away
13. 4.056 km SW of Atka, AlaskaThu, Apr 7, 2:35 PM HADT · 1639 days ago · 35 km deep · 37 km away
14. 1.629 km SSW of Atka, AlaskaFri, Apr 8, 2:48 AM HADT · 1639 days ago · 62 km deep · 7 km away
15. 1.848 km E of Atka, AlaskaFri, Apr 8, 7:31 AM HADT · 1639 days ago · 75 km deep · 53 km away
16. 3.09 km SW of Atka, AlaskaSat, Apr 9, 7:34 AM HADT · 1638 days ago · 35 km deep · 20 km away
17. 1.619 km SW of Atka, AlaskaSat, Apr 9, 4:06 PM HADT · 1637 days ago · 10 km deep · 17 km away
18. 1.880 km ENE of Adak, AlaskaSun, Apr 10, 4:07 PM HADT · 1636 days ago · 15 km deep · 88 km away
19. 1.8Andreanof Islands, Aleutian Islands, AlaskaSun, Apr 10, 10:28 PM HADT · 1636 days ago · 20 km deep · 35 km away
20. 2.738 km SSE of Atka, AlaskaSun, Apr 10, 11:38 PM HADT · 1636 days ago · 10 km deep · 18 km away
21. 2.6123 km SSE of Atka, AlaskaMon, Apr 11, 2:39 AM HADT · 1636 days ago · 17 km deep · 99 km away
22. 1.793 km SW of Atka, AlaskaMon, Apr 11, 3:56 AM HADT · 1636 days ago · 17 km deep · 73 km away
23. 1.9101 km ESE of Adak, AlaskaMon, Apr 11, 6:59 AM HADT · 1636 days ago · 44 km deep · 85 km away
24. 2.538 km S of Atka, AlaskaTue, Apr 12, 10:27 AM HADT · 1634 days ago · 79 km deep · 14 km away
25. 3.336 km SE of Atka, AlaskaTue, Apr 12, 1:06 PM HADT · 1634 days ago · 31 km deep · 28 km away
26. 1.623 km SE of Atka, AlaskaWed, Apr 13, 3:33 AM HADT · 1634 days ago · 21 km deep · 22 km away
27. 2.376 km E of Atka, AlaskaWed, Apr 13, 2:21 PM HADT · 1633 days ago · 13 km deep · 86 km away
28. 1.545 km SW of Atka, AlaskaWed, Apr 13, 3:01 PM HADT · 1633 days ago · 19 km deep · 33 km away
29. 2.188 km ESE of Atka, AlaskaThu, Apr 14, 3:52 AM HADT · 1633 days ago · 45 km deep · 84 km away
30. 2.2101 km ESE of Atka, AlaskaThu, Apr 14, 4:47 AM HADT · 1633 days ago · 46 km deep · 99 km away
31. 2.691 km SW of Atka, AlaskaThu, Apr 14, 10:49 PM HADT · 1632 days ago · 35 km deep · 73 km away
32. 3.6Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 16, 3:37 PM HADT · 1630 days ago · 49 km deep · 47 km away
33. 2.156 km SSE of Atka, AlaskaSat, Apr 16, 6:11 PM HADT · 1630 days ago · 24 km deep · 38 km away
34. 3.130 km NNE of Atka, AlaskaSun, Apr 17, 12:30 AM HADT · 1630 days ago · 201 km deep · 55 km away
35. 3.584 km ESE of Atka, AlaskaTue, Apr 19, 5:01 AM HADT · 1628 days ago · 35 km deep · 78 km away
36. 2.133 km SW of Atka, AlaskaWed, Apr 20, 7:50 PM HADT · 1626 days ago · 72 km deep · 22 km away
37. 2.755 km NNW of Atka, AlaskaWed, Apr 20, 11:53 PM HADT · 1626 days ago · 171 km deep · 78 km away
38. 1.712 km SW of Atka, AlaskaThu, Apr 21, 3:24 AM HADT · 1626 days ago · 11 km deep · 19 km away
39. 2.170 km ESE of Atka, AlaskaThu, Apr 21, 6:16 AM HADT · 1626 days ago · 34 km deep · 65 km away
40. 3.477 km NW of Atka, AlaskaThu, Apr 21, 2:05 PM HADT · 1625 days ago · 200 km deep · 99 km away
41. 2.156 km S of Atka, AlaskaThu, Apr 21, 7:17 PM HADT · 1625 days ago · 13 km deep · 31 km away
42. 2.177 km SSE of Atka, AlaskaFri, Apr 22, 8:20 AM HADT · 1625 days ago · 5 km deep · 57 km away
43. 3.791 km SW of Atka, AlaskaFri, Apr 22, 10:47 AM HADT · 1624 days ago · 19 km deep · 77 km away
44. 2.761 km E of Atka, AlaskaSat, Apr 23, 12:18 AM HADT · 1624 days ago · 154 km deep · 68 km away
45. 3.7Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 23, 10:39 AM HADT · 1623 days ago · 235 km deep · 65 km away
46. 1.633 km SSW of Atka, AlaskaSat, Apr 23, 10:42 PM HADT · 1623 days ago · 56 km deep · 10 km away
47. 2.163 km ESE of Atka, AlaskaSun, Apr 24, 3:28 AM HADT · 1623 days ago · 47 km deep · 62 km away
48. 2.775 km SE of Atka, AlaskaSun, Apr 24, 8:35 PM HADT · 1622 days ago · 35 km deep · 58 km away
49. 1.944 km SE of Atka, AlaskaMon, Apr 25, 5:13 PM HADT · 1621 days ago · 71 km deep · 33 km away
50. 2.339 km N of Atka, AlaskaMon, Apr 25, 6:24 PM HADT · 1621 days ago · 139 km deep · 65 km away
51. 1.636 km SSW of Atka, AlaskaMon, Apr 25, 9:38 PM HADT · 1621 days ago · 59 km deep · 18 km away
52. 1.712 km SW of Atka, AlaskaTue, Apr 26, 8:19 PM HADT · 1620 days ago · 13 km deep · 17 km away
53. 1.940 km S of Atka, AlaskaWed, Apr 27, 6:56 PM HADT · 1619 days ago · 56 km deep · 15 km away
54. 4.562 km NNW of Atka, AlaskaWed, Apr 27, 7:14 PM HADT · 1619 days ago · 193 km deep · 86 km away
55. 2.0114 km SSW of Atka, AlaskaWed, Apr 27, 8:52 PM HADT · 1619 days ago · 8 km deep · 92 km away
56. 1.673 km ENE of Adak, AlaskaThu, Apr 28, 2:19 AM HADT · 1619 days ago · 7 km deep · 95 km away
57. 3.723 km NNW of Atka, AlaskaThu, Apr 28, 7:51 AM HADT · 1619 days ago · 102 km deep · 46 km away
58. 1.753 km WSW of Atka, AlaskaThu, Apr 28, 8:15 AM HADT · 1619 days ago · 81 km deep · 44 km away
59. 3.264 km SE of Atka, AlaskaFri, Apr 29, 7:13 AM HADT · 1618 days ago · 35 km deep · 48 km away
60. 3.660 km ESE of Atka, AlaskaFri, Apr 29, 12:26 PM HADT · 1617 days ago · 57 km deep · 59 km away

The first 60 of 145.

Before

1. 2.760 km S of Atka, AlaskaFri, Apr 1, 12:15 PM HADT · 1645 days ago · 35 km deep · 37 km away
2. 2.646 km ESE of Atka, AlaskaFri, Apr 1, 9:07 AM HADT · 1646 days ago · 10 km deep · 41 km away
3. 1.927 km SSE of Atka, AlaskaFri, Apr 1, 12:21 AM HADT · 1646 days ago · 64 km deep · 17 km away
4. 1.632 km SE of Atka, AlaskaWed, Mar 30, 11:00 PM HADT · 1647 days ago · 27 km deep · 26 km away
5. 1.741 km SW of Atka, AlaskaWed, Mar 30, 10:30 PM HADT · 1647 days ago · 72 km deep · 31 km away
6. 1.722 km S of Atka, AlaskaWed, Mar 30, 8:19 PM HADT · 1647 days ago · 70 km deep · 3 km away
7. 1.973 km SW of Atka, AlaskaWed, Mar 30, 5:17 PM HADT · 1647 days ago · 42 km deep · 59 km away
8. 1.781 km ENE of Adak, AlaskaWed, Mar 30, 4:05 PM HADT · 1647 days ago · 13 km deep · 88 km away
9. 1.882 km ENE of Adak, AlaskaWed, Mar 30, 3:51 PM HADT · 1647 days ago · 13 km deep · 85 km away
10. 2.977 km WNW of Atka, AlaskaWed, Mar 30, 12:29 AM HADT · 1648 days ago · 257 km deep · 90 km away
11. 3.834 km NW of Atka, AlaskaTue, Mar 29, 2:01 PM HADT · 1648 days ago · 186 km deep · 56 km away
12. 1.72 km SSW of Atka, AlaskaMon, Mar 28, 9:59 PM HADT · 1649 days ago · 11 km deep · 23 km away
13. 1.880 km ENE of Adak, AlaskaMon, Mar 28, 12:48 PM HADT · 1649 days ago · 17 km deep · 89 km away
14. 3.287 km SW of Atka, AlaskaMon, Mar 28, 12:33 PM HADT · 1649 days ago · 24 km deep · 69 km away
15. 2.615 km WSW of Atka, AlaskaMon, Mar 28, 7:35 AM HADT · 1650 days ago · 178 km deep · 23 km away
16. 3.2112 km S of Atka, AlaskaMon, Mar 28, 5:15 AM HADT · 1650 days ago · 10 km deep · 88 km away
17. 3.320 km NNE of Atka, AlaskaSat, Mar 26, 9:21 PM HADT · 1651 days ago · 197 km deep · 45 km away
18. 1.975 km E of Adak, AlaskaSat, Mar 26, 4:33 AM HADT · 1652 days ago · 64 km deep · 93 km away
19. 1.840 km SE of Atka, AlaskaFri, Mar 25, 10:10 AM HADT · 1652 days ago · 24 km deep · 28 km away
20. 1.629 km S of Atka, AlaskaFri, Mar 25, 3:16 AM HADT · 1653 days ago · 67 km deep · 4 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02246v90gi. Read Sat, Oct 3, 2026, 6:28 AM UTC.