M1.9 earthquake 35 km E of Adak, Alaska

Magnitude

1.9 (ml), micro

Local time

Mon, Oct 25, 2021, 11:39 PM HADT

UTC

2021-10-26 08:39:24 UTC

Depth

124.7 km (77.5 mi), intermediate-depth

Epicenter

51.844° N, 176.120° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

24

After

1. 1.760 km W of Adak, AlaskaTue, Oct 26, 3:02 AM HADT · 1797 days ago · 89 km deep · 95 km away
2. 1.843 km SSE of Adak, AlaskaTue, Oct 26, 9:22 AM HADT · 1797 days ago · 34 km deep · 38 km away
3. 2.759 km SSE of Adak, AlaskaTue, Oct 26, 11:33 AM HADT · 1797 days ago · 34 km deep · 48 km away
4. 2.974 km W of Atka, AlaskaTue, Oct 26, 3:37 PM HADT · 1797 days ago · 252 km deep · 64 km away
5. 1.843 km SSE of Adak, AlaskaTue, Oct 26, 8:06 PM HADT · 1796 days ago · 37 km deep · 45 km away
6. 1.740 km SSE of Adak, AlaskaWed, Oct 27, 9:52 AM HADT · 1796 days ago · 36 km deep · 38 km away
7. 1.982 km ESE of Adak, AlaskaWed, Oct 27, 9:07 PM HADT · 1795 days ago · 48 km deep · 49 km away
8. 3.747 km NE of Adak, AlaskaWed, Oct 27, 11:20 PM HADT · 1795 days ago · 188 km deep · 33 km away
9. 2.657 km ESE of Adak, AlaskaThu, Oct 28, 3:58 AM HADT · 1795 days ago · 68 km deep · 26 km away
10. 1.985 km ESE of Adak, AlaskaThu, Oct 28, 4:08 AM HADT · 1795 days ago · 44 km deep · 51 km away
11. 2.062 km E of Adak, AlaskaThu, Oct 28, 1:08 PM HADT · 1795 days ago · 74 km deep · 29 km away
12. 2.073 km SE of Adak, AlaskaThu, Oct 28, 2:20 PM HADT · 1795 days ago · 23 km deep · 48 km away
13. 1.752 km SW of Adak, AlaskaThu, Oct 28, 4:41 PM HADT · 1795 days ago · 38 km deep · 76 km away
14. 1.881 km ESE of Adak, AlaskaThu, Oct 28, 10:29 PM HADT · 1794 days ago · 55 km deep · 47 km away
15. 2.949 km SSW of Adak, AlaskaThu, Oct 28, 10:55 PM HADT · 1794 days ago · 50 km deep · 65 km away
16. 2.678 km E of Adak, AlaskaFri, Oct 29, 9:40 AM HADT · 1794 days ago · 75 km deep · 43 km away
17. 1.634 km E of Adak, AlaskaFri, Oct 29, 10:54 PM HADT · 1793 days ago · 9 km deep · 8 km away
18. 3.343 km ENE of Adak, AlaskaMon, Nov 1, 6:48 AM HADT · 1791 days ago · 180 km deep · 24 km away
19. 2.228 km NNW of Adak, AlaskaMon, Nov 1, 9:20 AM HADT · 1791 days ago · 110 km deep · 56 km away
20. 2.087 km S of Adak, AlaskaTue, Nov 2, 4:42 PM HADT · 1790 days ago · 16 km deep · 86 km away
21. 2.675 km SSW of Atka, AlaskaWed, Nov 3, 8:06 PM HADT · 1788 days ago · 35 km deep · 96 km away
22. 2.060 km ESE of Adak, AlaskaThu, Nov 4, 12:10 PM HADT · 1788 days ago · 39 km deep · 30 km away
23. 2.5103 km ESE of Adak, AlaskaThu, Nov 4, 12:31 PM HADT · 1788 days ago · 35 km deep · 70 km away
24. 1.560 km SSW of Adak, AlaskaFri, Nov 5, 3:09 AM HADT · 1787 days ago · 32 km deep · 80 km away
25. 1.872 km SW of Atka, AlaskaFri, Nov 5, 4:24 AM HADT · 1787 days ago · 17 km deep · 89 km away
26. 3.153 km SSE of Adak, AlaskaFri, Nov 5, 4:50 AM HADT · 1787 days ago · 35 km deep · 42 km away
27. 1.665 km SSE of Adak, AlaskaFri, Nov 5, 11:01 AM HADT · 1787 days ago · 25 km deep · 58 km away
28. 3.128 km ESE of Adak, AlaskaFri, Nov 5, 8:41 PM HADT · 1786 days ago · 71 km deep · 15 km away
29. 1.853 km S of Adak, AlaskaSun, Nov 7, 6:53 AM HAST · 1785 days ago · 26 km deep · 60 km away
30. 1.946 km SSE of Adak, AlaskaSun, Nov 7, 10:42 PM HAST · 1784 days ago · 40 km deep · 49 km away
31. 1.862 km W of Adak, AlaskaMon, Nov 8, 5:21 AM HAST · 1784 days ago · 87 km deep · 98 km away
32. 1.757 km SSE of Adak, AlaskaMon, Nov 8, 5:38 AM HAST · 1784 days ago · 16 km deep · 55 km away
33. 2.061 km SW of Atka, AlaskaMon, Nov 8, 5:49 AM HAST · 1784 days ago · 63 km deep · 88 km away
34. 1.655 km SSE of Adak, AlaskaMon, Nov 8, 8:58 AM HAST · 1784 days ago · 26 km deep · 45 km away
35. 2.451 km NE of Adak, AlaskaMon, Nov 8, 2:18 PM HAST · 1784 days ago · 172 km deep · 35 km away
36. 1.623 km SSW of Adak, AlaskaMon, Nov 8, 3:29 PM HAST · 1784 days ago · 62 km deep · 47 km away
37. 1.575 km SE of Adak, AlaskaMon, Nov 8, 7:10 PM HAST · 1783 days ago · 23 km deep · 50 km away
38. 1.768 km S of Adak, AlaskaMon, Nov 8, 10:03 PM HAST · 1783 days ago · 22 km deep · 75 km away
39. 2.998 km NNE of Adak, AlaskaTue, Nov 9, 9:33 AM HAST · 1783 days ago · 226 km deep · 94 km away
40. 1.861 km SE of Adak, AlaskaWed, Nov 10, 12:28 PM HAST · 1782 days ago · 5 km deep · 43 km away
41. 1.770 km SE of Adak, AlaskaWed, Nov 10, 3:38 PM HAST · 1782 days ago · 22 km deep · 44 km away
42. 2.050 km E of Adak, AlaskaThu, Nov 11, 4:46 AM HAST · 1781 days ago · 81 km deep · 15 km away
43. 1.841 km W of Adak, AlaskaThu, Nov 11, 12:16 PM HAST · 1781 days ago · 90 km deep · 76 km away
44. 2.965 km SE of Adak, AlaskaThu, Nov 11, 5:21 PM HAST · 1781 days ago · 35 km deep · 48 km away
45. 1.866 km SSW of Adak, AlaskaFri, Nov 12, 4:03 PM HAST · 1780 days ago · 31 km deep · 83 km away
46. 1.757 km WSW of Atka, AlaskaFri, Nov 12, 5:19 PM HAST · 1780 days ago · 75 km deep · 80 km away
47. 2.276 km NE of Adak, AlaskaFri, Nov 12, 7:22 PM HAST · 1779 days ago · 214 km deep · 55 km away
48. 1.976 km ESE of Adak, AlaskaSat, Nov 13, 2:52 AM HAST · 1779 days ago · 57 km deep · 41 km away
49. 1.745 km SW of Adak, AlaskaSat, Nov 13, 9:20 PM HAST · 1778 days ago · 47 km deep · 73 km away
50. 1.851 km SSE of Adak, AlaskaSun, Nov 14, 4:18 AM HAST · 1778 days ago · 33 km deep · 46 km away
51. 1.763 km SE of Adak, AlaskaSun, Nov 14, 5:24 PM HAST · 1778 days ago · 21 km deep · 44 km away
52. 1.771 km SW of Atka, AlaskaSun, Nov 14, 9:44 PM HAST · 1777 days ago · 35 km deep · 84 km away
53. 1.773 km WSW of Atka, AlaskaMon, Nov 15, 10:08 PM HAST · 1776 days ago · 74 km deep · 64 km away
54. 1.657 km WSW of Atka, AlaskaTue, Nov 16, 8:58 PM HAST · 1775 days ago · 70 km deep · 81 km away
55. 2.087 km SW of Atka, AlaskaWed, Nov 17, 12:07 AM HAST · 1775 days ago · 15 km deep · 85 km away
56. 1.596 km ESE of Adak, AlaskaWed, Nov 17, 10:43 PM HAST · 1774 days ago · 22 km deep · 63 km away
57. 2.273 km ENE of Adak, AlaskaThu, Nov 18, 12:05 PM HAST · 1774 days ago · 170 km deep · 47 km away
58. 1.967 km ENE of Adak, AlaskaThu, Nov 18, 4:11 PM HAST · 1774 days ago · 146 km deep · 39 km away
59. 1.564 km SSE of Adak, AlaskaThu, Nov 18, 6:07 PM HAST · 1773 days ago · 18 km deep · 53 km away
60. 2.560 km SSW of Adak, AlaskaThu, Nov 18, 7:55 PM HAST · 1773 days ago · 35 km deep · 82 km away

The first 60 of 136.

Before

1. 1.658 km SE of Adak, AlaskaMon, Oct 25, 6:18 PM HADT · 1798 days ago · 25 km deep · 36 km away
2. 1.889 km SW of Atka, AlaskaMon, Oct 25, 12:09 PM HADT · 1798 days ago · 26 km deep · 82 km away
3. 3.563 km ESE of Adak, AlaskaMon, Oct 25, 10:24 AM HADT · 1798 days ago · 35 km deep · 34 km away
4. 2.133 km ESE of Adak, AlaskaSun, Oct 24, 3:51 PM HADT · 1799 days ago · 62 km deep · 15 km away
5. 2.081 km ENE of Adak, AlaskaSat, Oct 23, 5:38 PM HADT · 1800 days ago · 115 km deep · 49 km away
6. 1.854 km SW of Adak, AlaskaSat, Oct 23, 3:06 AM HADT · 1800 days ago · 43 km deep · 78 km away
7. 2.469 km WNW of Atka, AlaskaFri, Oct 22, 7:00 PM HADT · 1800 days ago · 120 km deep · 88 km away
8. 3.693 km ESE of Adak, AlaskaWed, Oct 20, 8:49 AM HADT · 1803 days ago · 24 km deep · 59 km away
9. 3.050 km ESE of Adak, AlaskaWed, Oct 20, 8:10 AM HADT · 1803 days ago · 3 km deep · 18 km away · felt by 1
10. 2.885 km ESE of Adak, AlaskaFri, Oct 15, 11:13 AM HADT · 1808 days ago · 52 km deep · 51 km away
11. 1.652 km SW of Adak, AlaskaFri, Oct 15, 11:10 AM HADT · 1808 days ago · 39 km deep · 77 km away
12. 2.560 km SE of Adak, AlaskaFri, Oct 15, 9:05 AM HADT · 1808 days ago · 36 km deep · 47 km away
13. 1.890 km ESE of Adak, AlaskaThu, Oct 14, 11:52 PM HADT · 1808 days ago · 54 km deep · 56 km away
14. 1.646 km S of Adak, AlaskaThu, Oct 14, 11:27 PM HADT · 1808 days ago · 30 km deep · 50 km away
15. 3.144 km SSE of Adak, AlaskaThu, Oct 14, 1:39 AM HADT · 1809 days ago · 33 km deep · 36 km away
16. 2.855 km S of Adak, AlaskaTue, Oct 12, 10:43 PM HADT · 1810 days ago · 32 km deep · 67 km away
17. 3.746 km S of Adak, AlaskaTue, Oct 12, 8:23 AM HADT · 1811 days ago · 35 km deep · 56 km away
18. 2.961 km SSW of Adak, AlaskaMon, Oct 11, 12:26 AM HADT · 1812 days ago · 51 km deep · 77 km away
19. 2.165 km E of Adak, AlaskaSun, Oct 10, 11:04 AM HADT · 1813 days ago · 29 km deep · 30 km away
20. 1.9Andreanof Islands, Aleutian Islands, AlaskaSun, Oct 10, 2:41 AM HADT · 1813 days ago · 23 km deep · 44 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021dqmonby. Read Sun, Sep 27, 2026, 2:55 PM UTC.