M1.5 earthquake 35 km W of Adak, Alaska

Magnitude

1.5 (ml), micro

Local time

Wed, Aug 11, 2021, 4:17 AM HADT

UTC

2021-08-11 13:17:23 UTC

Depth

92.5 km (57.5 mi), intermediate-depth

Epicenter

51.887° N, 177.143° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

25

After

1. 3.764 km SE of Adak, AlaskaWed, Aug 11, 8:02 AM HADT · 1870 days ago · 35 km deep · 93 km away
2. 1.7111 km WSW of Adak, AlaskaWed, Aug 11, 8:07 PM HADT · 1869 days ago · 13 km deep · 81 km away
3. 3.671 km SSW of Adak, AlaskaWed, Aug 11, 8:25 PM HADT · 1869 days ago · 35 km deep · 64 km away
4. 2.1114 km WSW of Adak, AlaskaThu, Aug 12, 6:59 AM HADT · 1869 days ago · 26 km deep · 86 km away
5. 2.078 km SW of Adak, AlaskaThu, Aug 12, 7:51 AM HADT · 1869 days ago · 24 km deep · 55 km away
6. 1.741 km ENE of Adak, AlaskaThu, Aug 12, 10:06 AM HADT · 1869 days ago · 6 km deep · 74 km away
7. 1.8121 km WSW of Adak, AlaskaThu, Aug 12, 7:34 PM HADT · 1868 days ago · 8 km deep · 91 km away
8. 1.644 km SW of Adak, AlaskaFri, Aug 13, 5:03 AM HADT · 1868 days ago · 28 km deep · 37 km away
9. 1.5129 km WSW of Adak, AlaskaFri, Aug 13, 5:33 AM HADT · 1868 days ago · 7 km deep · 96 km away
10. 3.142 km S of Adak, AlaskaFri, Aug 13, 8:38 AM HADT · 1868 days ago · 69 km deep · 60 km away
11. 1.6115 km WSW of Adak, AlaskaFri, Aug 13, 12:13 PM HADT · 1868 days ago · 24 km deep · 87 km away
12. 2.9Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 13, 2:37 PM HADT · 1867 days ago · 33 km deep · 73 km away
13. 1.620 km SE of Adak, AlaskaFri, Aug 13, 3:40 PM HADT · 1867 days ago · 71 km deep · 51 km away
14. 1.539 km SSW of Adak, AlaskaFri, Aug 13, 4:55 PM HADT · 1867 days ago · 12 km deep · 37 km away
15. 1.560 km SE of Adak, AlaskaFri, Aug 13, 5:37 PM HADT · 1867 days ago · 22 km deep · 88 km away
16. 1.783 km SW of Adak, AlaskaFri, Aug 13, 11:26 PM HADT · 1867 days ago · 30 km deep · 59 km away
17. 1.6133 km WSW of Adak, AlaskaSat, Aug 14, 1:10 AM HADT · 1867 days ago · 7 km deep · 99 km away
18. 1.667 km SSW of Adak, AlaskaSat, Aug 14, 8:38 AM HADT · 1867 days ago · 27 km deep · 62 km away
19. 2.6101 km SSW of Adak, AlaskaSun, Aug 15, 6:31 PM HADT · 1865 days ago · 24 km deep · 95 km away
20. 1.7102 km SSW of Adak, AlaskaSun, Aug 15, 9:45 PM HADT · 1865 days ago · 47 km deep · 94 km away
21. 1.793 km WSW of Adak, AlaskaMon, Aug 16, 2:35 AM HADT · 1865 days ago · 13 km deep · 65 km away
22. 1.648 km SW of Adak, AlaskaMon, Aug 16, 1:41 PM HADT · 1864 days ago · 42 km deep · 41 km away
23. 2.760 km SW of Adak, AlaskaMon, Aug 16, 8:48 PM HADT · 1864 days ago · 69 km deep · 42 km away
24. 1.6132 km WSW of Adak, AlaskaTue, Aug 17, 9:16 AM HADT · 1864 days ago · 7 km deep · 99 km away
25. 1.514 km SSE of Adak, AlaskaWed, Aug 18, 2:44 AM HADT · 1863 days ago · 80 km deep · 45 km away
26. 1.956 km W of Adak, AlaskaWed, Aug 18, 3:50 AM HADT · 1863 days ago · 92 km deep · 23 km away
27. 1.6121 km W of Adak, AlaskaWed, Aug 18, 5:17 AM HADT · 1863 days ago · 92 km deep · 87 km away
28. 1.572 km SSE of Adak, AlaskaWed, Aug 18, 10:51 PM HADT · 1862 days ago · 21 km deep · 91 km away
29. 1.654 km WNW of Adak, AlaskaWed, Aug 18, 11:08 PM HADT · 1862 days ago · 128 km deep · 24 km away
30. 2.053 km ENE of Adak, AlaskaThu, Aug 19, 3:58 AM HADT · 1862 days ago · 146 km deep · 86 km away
31. 2.9113 km WSW of Adak, AlaskaThu, Aug 19, 11:16 AM HADT · 1862 days ago · 66 km deep · 82 km away
32. 3.464 km SE of Adak, AlaskaThu, Aug 19, 2:20 PM HADT · 1861 days ago · 35 km deep · 94 km away
33. 1.7120 km WSW of Adak, AlaskaThu, Aug 19, 5:36 PM HADT · 1861 days ago · 66 km deep · 88 km away
34. 1.668 km SW of Adak, AlaskaSat, Aug 21, 2:56 AM HADT · 1860 days ago · 51 km deep · 50 km away
35. 1.610 km SW of Adak, AlaskaSat, Aug 21, 11:52 AM HADT · 1860 days ago · 81 km deep · 30 km away
36. 3.064 km SSW of Adak, AlaskaSat, Aug 21, 3:02 PM HADT · 1859 days ago · 35 km deep · 62 km away
37. 2.687 km S of Adak, AlaskaSat, Aug 21, 5:28 PM HADT · 1859 days ago · 35 km deep · 89 km away
38. 4.8128 km WSW of Adak, AlaskaSun, Aug 22, 2:45 AM HADT · 1859 days ago · 52 km deep · 98 km away · felt by 1
39. 1.915 km NE of Adak, AlaskaSun, Aug 22, 3:16 AM HADT · 1859 days ago · 151 km deep · 47 km away
40. 1.664 km ENE of Adak, AlaskaSun, Aug 22, 3:51 AM HADT · 1859 days ago · 12 km deep · 97 km away
41. 1.5133 km WSW of Adak, AlaskaSun, Aug 22, 8:39 AM HADT · 1859 days ago · 7 km deep · 99 km away
42. 1.550 km W of Adak, AlaskaSun, Aug 22, 9:16 PM HADT · 1858 days ago · 126 km deep · 17 km away
43. 2.055 km WSW of Adak, AlaskaMon, Aug 23, 2:13 AM HADT · 1858 days ago · 75 km deep · 24 km away
44. 1.657 km ENE of Adak, AlaskaMon, Aug 23, 12:08 PM HADT · 1858 days ago · 175 km deep · 89 km away
45. 1.8106 km WSW of Adak, AlaskaMon, Aug 23, 2:28 PM HADT · 1857 days ago · 26 km deep · 81 km away
46. 1.5121 km SW of Adak, AlaskaMon, Aug 23, 5:48 PM HADT · 1857 days ago · 25 km deep · 98 km away
47. 1.645 km E of Adak, AlaskaMon, Aug 23, 6:19 PM HADT · 1857 days ago · 68 km deep · 80 km away
48. 2.938 km SSW of Adak, AlaskaTue, Aug 24, 1:17 AM HADT · 1857 days ago · 39 km deep · 40 km away
49. 2.5Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 24, 6:05 PM HADT · 1856 days ago · 35 km deep · 71 km away
50. 2.020 km WSW of Adak, AlaskaWed, Aug 25, 12:04 AM HADT · 1856 days ago · 77 km deep · 17 km away
51. 1.829 km SSE of Adak, AlaskaWed, Aug 25, 8:39 PM HADT · 1855 days ago · 45 km deep · 55 km away
52. 1.662 km SE of Adak, AlaskaThu, Aug 26, 3:12 AM HADT · 1855 days ago · 26 km deep · 88 km away
53. 1.665 km SSW of Adak, AlaskaThu, Aug 26, 9:09 AM HADT · 1855 days ago · 48 km deep · 58 km away
54. 2.062 km SSW of Adak, AlaskaThu, Aug 26, 10:26 AM HADT · 1855 days ago · 29 km deep · 56 km away
55. 1.543 km SW of Adak, AlaskaFri, Aug 27, 11:02 AM HADT · 1854 days ago · 64 km deep · 32 km away
56. 1.559 km W of Adak, AlaskaFri, Aug 27, 6:10 PM HADT · 1853 days ago · 7 km deep · 26 km away
57. 1.559 km W of Adak, AlaskaFri, Aug 27, 7:15 PM HADT · 1853 days ago · 12 km deep · 25 km away
58. 3.2122 km SW of Adak, AlaskaSat, Aug 28, 1:14 AM HADT · 1853 days ago · 27 km deep · 99 km away
59. 3.534 km S of Adak, AlaskaSat, Aug 28, 7:12 AM HADT · 1853 days ago · 46 km deep · 53 km away
60. 2.687 km WSW of Adak, AlaskaSat, Aug 28, 9:57 AM HADT · 1853 days ago · 33 km deep · 60 km away

The first 60 of 170.

Before

1. 1.7100 km SW of Adak, AlaskaTue, Aug 10, 10:49 PM HADT · 1870 days ago · 26 km deep · 80 km away
2. 1.549 km S of Adak, AlaskaTue, Aug 10, 5:11 PM HADT · 1870 days ago · 48 km deep · 57 km away
3. 2.744 km SSE of Adak, AlaskaTue, Aug 10, 5:59 AM HADT · 1871 days ago · 35 km deep · 69 km away
4. 3.054 km SE of Adak, AlaskaTue, Aug 10, 3:04 AM HADT · 1871 days ago · 35 km deep · 81 km away
5. 1.774 km SSE of Adak, AlaskaMon, Aug 9, 7:04 PM HADT · 1871 days ago · 25 km deep · 96 km away
6. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 9, 5:10 PM HADT · 1871 days ago · 26 km deep · 55 km away
7. 1.682 km WSW of Adak, AlaskaMon, Aug 9, 3:37 PM HADT · 1871 days ago · 25 km deep · 54 km away
8. 1.687 km WSW of Adak, AlaskaMon, Aug 9, 3:16 PM HADT · 1871 days ago · 13 km deep · 61 km away
9. 1.582 km W of Adak, AlaskaMon, Aug 9, 10:35 AM HADT · 1872 days ago · 7 km deep · 47 km away
10. 1.584 km WSW of Adak, AlaskaSat, Aug 7, 9:32 PM HADT · 1873 days ago · 24 km deep · 56 km away
11. 1.684 km WSW of Adak, AlaskaSat, Aug 7, 9:09 PM HADT · 1873 days ago · 13 km deep · 58 km away
12. 3.6127 km WSW of Adak, AlaskaSat, Aug 7, 8:41 PM HADT · 1873 days ago · 35 km deep · 99 km away
13. 1.646 km SW of Adak, AlaskaSat, Aug 7, 3:11 PM HADT · 1873 days ago · 48 km deep · 36 km away
14. 1.889 km SW of Adak, AlaskaSat, Aug 7, 10:36 AM HADT · 1874 days ago · 33 km deep · 64 km away
15. 1.545 km SSW of Adak, AlaskaFri, Aug 6, 4:31 PM HADT · 1874 days ago · 63 km deep · 43 km away
16. 1.969 km SE of Adak, AlaskaFri, Aug 6, 9:47 AM HADT · 1875 days ago · 39 km deep · 98 km away
17. 2.874 km SW of Adak, AlaskaFri, Aug 6, 3:28 AM HADT · 1875 days ago · 61 km deep · 57 km away
18. 2.068 km W of Adak, AlaskaFri, Aug 6, 1:21 AM HADT · 1875 days ago · 73 km deep · 35 km away
19. 1.977 km NE of Adak, AlaskaThu, Aug 5, 3:00 PM HADT · 1875 days ago · 138 km deep · 100 km away
20. 1.565 km SSE of Adak, AlaskaThu, Aug 5, 5:25 AM HADT · 1876 days ago · 20 km deep · 89 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021a90opyg. Read Thu, Sep 24, 2026, 9:06 AM UTC.