M1.8 earthquake 46 km NNW of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Sun, Aug 29, 2021, 5:06 PM HADT

UTC

2021-08-30 02:06:54 UTC

Depth

138.3 km (85.9 mi), intermediate-depth

Epicenter

52.225° N, 177.005° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

After

1. 1.748 km E of Adak, AlaskaMon, Aug 30, 8:38 AM HADT · 1851 days ago · 149 km deep · 86 km away
2. 2.717 km SE of Adak, AlaskaMon, Aug 30, 2:52 PM HADT · 1850 days ago · 112 km deep · 64 km away
3. 3.246 km ENE of Adak, AlaskaWed, Sep 1, 12:46 PM HADT · 1848 days ago · 137 km deep · 70 km away
4. 2.958 km E of Adak, AlaskaWed, Sep 1, 7:01 PM HADT · 1848 days ago · 156 km deep · 87 km away
5. 1.641 km SSE of Adak, AlaskaWed, Sep 1, 10:42 PM HADT · 1848 days ago · 34 km deep · 88 km away
6. 1.652 km ENE of Adak, AlaskaWed, Sep 1, 10:54 PM HADT · 1848 days ago · 148 km deep · 79 km away
7. 1.512 km SE of Adak, AlaskaThu, Sep 2, 2:30 AM HADT · 1848 days ago · 153 km deep · 58 km away
8. 1.710 km SSE of Adak, AlaskaFri, Sep 3, 2:30 AM HADT · 1847 days ago · 156 km deep · 57 km away
9. 1.933 km ESE of Adak, AlaskaSat, Sep 4, 8:52 PM HADT · 1845 days ago · 61 km deep · 78 km away
10. 1.951 km ENE of Adak, AlaskaSun, Sep 5, 2:05 AM HADT · 1845 days ago · 163 km deep · 73 km away
11. 1.766 km SW of Adak, AlaskaSun, Sep 5, 5:37 PM HADT · 1844 days ago · 74 km deep · 81 km away
12. 1.674 km ENE of Adak, AlaskaSun, Sep 5, 9:37 PM HADT · 1844 days ago · 149 km deep · 98 km away
13. 1.774 km ENE of Adak, AlaskaMon, Sep 6, 4:41 PM HADT · 1843 days ago · 137 km deep · 98 km away
14. 1.960 km ENE of Adak, AlaskaMon, Sep 6, 5:02 PM HADT · 1843 days ago · 150 km deep · 83 km away
15. 1.649 km SW of Adak, AlaskaTue, Sep 7, 11:09 PM HADT · 1842 days ago · 44 km deep · 77 km away
16. 2.278 km ENE of Adak, AlaskaWed, Sep 8, 2:59 AM HADT · 1842 days ago · 236 km deep · 100 km away
17. 1.739 km NE of Adak, AlaskaWed, Sep 8, 3:11 AM HADT · 1842 days ago · 132 km deep · 56 km away
18. 1.651 km E of Adak, AlaskaWed, Sep 8, 9:32 PM HADT · 1841 days ago · 93 km deep · 81 km away
19. 1.5Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 9, 8:27 PM HADT · 1840 days ago · 59 km deep · 75 km away
20. 1.782 km W of Adak, AlaskaMon, Sep 13, 3:35 AM HADT · 1837 days ago · 12 km deep · 72 km away
21. 1.553 km SW of Adak, AlaskaMon, Sep 13, 9:31 AM HADT · 1836 days ago · 46 km deep · 78 km away
22. 1.565 km SW of Adak, AlaskaWed, Sep 15, 5:52 PM HADT · 1834 days ago · 23 km deep · 86 km away
23. 2.068 km SW of Adak, AlaskaFri, Sep 17, 12:31 AM HADT · 1833 days ago · 35 km deep · 84 km away
24. 3.224 km SSW of Adak, AlaskaFri, Sep 17, 12:40 PM HADT · 1832 days ago · 77 km deep · 66 km away
25. 1.644 km SSW of Adak, AlaskaSun, Sep 19, 7:25 PM HADT · 1830 days ago · 36 km deep · 84 km away
26. 1.541 km SSE of Adak, AlaskaMon, Sep 20, 12:42 AM HADT · 1830 days ago · 36 km deep · 87 km away
27. 1.557 km ESE of Adak, AlaskaMon, Sep 20, 12:46 AM HADT · 1830 days ago · 44 km deep · 100 km away
28. 2.970 km NE of Adak, AlaskaMon, Sep 20, 9:54 AM HADT · 1829 days ago · 228 km deep · 68 km away
29. 1.872 km WSW of Adak, AlaskaTue, Sep 21, 3:44 AM HADT · 1829 days ago · 14 km deep · 83 km away
30. 2.753 km SE of Adak, AlaskaWed, Sep 22, 8:40 PM HADT · 1827 days ago · 35 km deep · 99 km away
31. 1.788 km WSW of Adak, AlaskaThu, Sep 23, 4:09 AM HADT · 1827 days ago · 60 km deep · 94 km away
32. 1.945 km NE of Adak, AlaskaThu, Sep 23, 12:25 PM HADT · 1826 days ago · 135 km deep · 57 km away
33. 1.692 km WSW of Adak, AlaskaFri, Sep 24, 1:02 AM HADT · 1826 days ago · 13 km deep · 99 km away
34. 2.032 km E of Adak, AlaskaFri, Sep 24, 3:37 AM HADT · 1826 days ago · 75 km deep · 70 km away
35. 1.619 km SSW of Adak, AlaskaFri, Sep 24, 8:25 AM HADT · 1826 days ago · 75 km deep · 59 km away
36. 1.543 km S of Adak, AlaskaFri, Sep 24, 1:58 PM HADT · 1825 days ago · 43 km deep · 86 km away
37. 1.653 km SE of Adak, AlaskaMon, Sep 27, 2:21 PM HADT · 1822 days ago · 32 km deep · 99 km away
38. 1.663 km SSW of Adak, AlaskaTue, Sep 28, 12:25 AM HADT · 1822 days ago · 20 km deep · 95 km away
39. 2.5114 km W of Adak, AlaskaTue, Sep 28, 11:31 PM HADT · 1821 days ago · 137 km deep · 88 km away
40. 3.837 km ENE of Adak, AlaskaThu, Sep 30, 4:32 PM HADT · 1819 days ago · 128 km deep · 67 km away
41. 2.623 km SSE of Adak, AlaskaFri, Oct 1, 6:13 AM HADT · 1819 days ago · 69 km deep · 70 km away
42. 4.749 km NE of Adak, AlaskaFri, Oct 1, 12:21 PM HADT · 1818 days ago · 129 km deep · 58 km away
43. 1.657 km ENE of Adak, AlaskaFri, Oct 1, 3:16 PM HADT · 1818 days ago · 86 km deep · 84 km away
44. 1.926 km S of Adak, AlaskaSat, Oct 2, 2:49 PM HADT · 1817 days ago · 63 km deep · 72 km away
45. 1.539 km SSE of Adak, AlaskaSun, Oct 3, 11:36 AM HADT · 1816 days ago · 26 km deep · 86 km away
46. 1.841 km NE of Adak, AlaskaMon, Oct 4, 12:39 PM HADT · 1815 days ago · 3 km deep · 61 km away
47. 1.9Andreanof Islands, Aleutian Islands, AlaskaWed, Oct 6, 8:43 PM HADT · 1813 days ago · 24 km deep · 100 km away
48. 1.981 km WSW of Adak, AlaskaThu, Oct 7, 10:05 PM HADT · 1812 days ago · 30 km deep · 90 km away
49. 3.270 km SW of Adak, AlaskaFri, Oct 8, 7:10 AM HADT · 1812 days ago · 49 km deep · 90 km away
50. 3.340 km SE of Adak, AlaskaFri, Oct 8, 8:19 AM HADT · 1812 days ago · 35 km deep · 87 km away
51. 1.966 km E of Adak, AlaskaFri, Oct 8, 4:51 PM HADT · 1811 days ago · 62 km deep · 99 km away
52. 1.745 km W of Adak, AlaskaSat, Oct 9, 2:34 AM HADT · 1811 days ago · 92 km deep · 49 km away
53. 3.884 km NE of Adak, AlaskaSat, Oct 9, 2:07 PM HADT · 1810 days ago · 182 km deep · 87 km away
54. 1.782 km W of Adak, AlaskaSun, Oct 10, 7:57 AM HADT · 1810 days ago · 10 km deep · 70 km away
55. 1.769 km WSW of Adak, AlaskaSun, Oct 10, 11:08 PM HADT · 1809 days ago · 25 km deep · 77 km away
56. 2.961 km SSW of Adak, AlaskaMon, Oct 11, 12:26 AM HADT · 1809 days ago · 51 km deep · 99 km away
57. 3.746 km S of Adak, AlaskaTue, Oct 12, 8:23 AM HADT · 1808 days ago · 35 km deep · 89 km away
58. 2.855 km S of Adak, AlaskaTue, Oct 12, 10:43 PM HADT · 1807 days ago · 32 km deep · 96 km away
59. 3.144 km SSE of Adak, AlaskaThu, Oct 14, 1:39 AM HADT · 1806 days ago · 33 km deep · 91 km away
60. 1.646 km S of Adak, AlaskaThu, Oct 14, 11:27 PM HADT · 1805 days ago · 30 km deep · 91 km away

The first 60 of 77.

Before

1. 1.759 km W of Adak, AlaskaSun, Aug 29, 2:12 AM HADT · 1852 days ago · 7 km deep · 57 km away
2. 1.597 km WSW of Adak, AlaskaSat, Aug 28, 2:05 PM HADT · 1852 days ago · 73 km deep · 97 km away
3. 1.8Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 28, 1:38 PM HADT · 1852 days ago · 13 km deep · 55 km away
4. 1.942 km NE of Adak, AlaskaSat, Aug 28, 1:34 PM HADT · 1852 days ago · 189 km deep · 57 km away
5. 2.683 km SW of Adak, AlaskaSat, Aug 28, 12:01 PM HADT · 1852 days ago · 33 km deep · 98 km away
6. 2.687 km WSW of Adak, AlaskaSat, Aug 28, 9:57 AM HADT · 1852 days ago · 33 km deep · 96 km away
7. 3.534 km S of Adak, AlaskaSat, Aug 28, 7:12 AM HADT · 1853 days ago · 46 km deep · 79 km away
8. 1.559 km W of Adak, AlaskaFri, Aug 27, 7:15 PM HADT · 1853 days ago · 12 km deep · 57 km away
9. 1.559 km W of Adak, AlaskaFri, Aug 27, 6:10 PM HADT · 1853 days ago · 7 km deep · 59 km away
10. 1.543 km SW of Adak, AlaskaFri, Aug 27, 11:02 AM HADT · 1853 days ago · 64 km deep · 70 km away
11. 2.062 km SSW of Adak, AlaskaThu, Aug 26, 10:26 AM HADT · 1854 days ago · 29 km deep · 93 km away
12. 1.665 km SSW of Adak, AlaskaThu, Aug 26, 9:09 AM HADT · 1854 days ago · 48 km deep · 96 km away
13. 1.829 km SSE of Adak, AlaskaWed, Aug 25, 8:39 PM HADT · 1855 days ago · 45 km deep · 76 km away
14. 2.020 km WSW of Adak, AlaskaWed, Aug 25, 12:04 AM HADT · 1856 days ago · 77 km deep · 45 km away
15. 2.938 km SSW of Adak, AlaskaTue, Aug 24, 1:17 AM HADT · 1857 days ago · 39 km deep · 74 km away
16. 1.645 km E of Adak, AlaskaMon, Aug 23, 6:19 PM HADT · 1857 days ago · 68 km deep · 84 km away
17. 1.657 km ENE of Adak, AlaskaMon, Aug 23, 12:08 PM HADT · 1857 days ago · 175 km deep · 76 km away
18. 2.055 km WSW of Adak, AlaskaMon, Aug 23, 2:13 AM HADT · 1858 days ago · 75 km deep · 60 km away
19. 1.550 km W of Adak, AlaskaSun, Aug 22, 9:16 PM HADT · 1858 days ago · 126 km deep · 38 km away
20. 1.664 km ENE of Adak, AlaskaSun, Aug 22, 3:51 AM HADT · 1859 days ago · 12 km deep · 86 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021b49a97w. Read Thu, Sep 24, 2026, 5:27 AM UTC.