M1.8 earthquake 89 km SW of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Sat, Aug 7, 2021, 10:36 AM HADT

UTC

2021-08-07 19:36:10 UTC

Depth

32.9 km (20.4 mi), shallow

Epicenter

51.424° N, 177.698° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

23

After

1. 1.646 km SW of Adak, AlaskaSat, Aug 7, 3:11 PM HADT · 1874 days ago · 48 km deep · 45 km away
2. 3.6127 km WSW of Adak, AlaskaSat, Aug 7, 8:41 PM HADT · 1873 days ago · 35 km deep · 39 km away
3. 1.684 km WSW of Adak, AlaskaSat, Aug 7, 9:09 PM HADT · 1873 days ago · 13 km deep · 8 km away
4. 1.584 km WSW of Adak, AlaskaSat, Aug 7, 9:32 PM HADT · 1873 days ago · 24 km deep · 13 km away
5. 1.582 km W of Adak, AlaskaMon, Aug 9, 10:35 AM HADT · 1872 days ago · 7 km deep · 47 km away
6. 1.687 km WSW of Adak, AlaskaMon, Aug 9, 3:16 PM HADT · 1872 days ago · 13 km deep · 5 km away
7. 1.682 km WSW of Adak, AlaskaMon, Aug 9, 3:37 PM HADT · 1872 days ago · 25 km deep · 14 km away
8. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 9, 5:10 PM HADT · 1871 days ago · 26 km deep · 44 km away
9. 2.744 km SSE of Adak, AlaskaTue, Aug 10, 5:59 AM HADT · 1871 days ago · 35 km deep · 94 km away
10. 1.549 km S of Adak, AlaskaTue, Aug 10, 5:11 PM HADT · 1870 days ago · 48 km deep · 65 km away
11. 1.7100 km SW of Adak, AlaskaTue, Aug 10, 10:49 PM HADT · 1870 days ago · 26 km deep · 20 km away
12. 1.535 km W of Adak, AlaskaWed, Aug 11, 4:17 AM HADT · 1870 days ago · 93 km deep · 64 km away
13. 1.7111 km WSW of Adak, AlaskaWed, Aug 11, 8:07 PM HADT · 1869 days ago · 13 km deep · 29 km away
14. 3.671 km SSW of Adak, AlaskaWed, Aug 11, 8:25 PM HADT · 1869 days ago · 35 km deep · 42 km away
15. 2.1114 km WSW of Adak, AlaskaThu, Aug 12, 6:59 AM HADT · 1869 days ago · 26 km deep · 29 km away
16. 2.078 km SW of Adak, AlaskaThu, Aug 12, 7:51 AM HADT · 1869 days ago · 24 km deep · 11 km away
17. 1.7176 km WSW of Adak, AlaskaThu, Aug 12, 3:03 PM HADT · 1869 days ago · 17 km deep · 94 km away
18. 1.8121 km WSW of Adak, AlaskaThu, Aug 12, 7:34 PM HADT · 1868 days ago · 8 km deep · 37 km away
19. 1.644 km SW of Adak, AlaskaFri, Aug 13, 5:03 AM HADT · 1868 days ago · 28 km deep · 49 km away
20. 1.5129 km WSW of Adak, AlaskaFri, Aug 13, 5:33 AM HADT · 1868 days ago · 7 km deep · 58 km away
21. 3.142 km S of Adak, AlaskaFri, Aug 13, 8:38 AM HADT · 1868 days ago · 69 km deep · 81 km away
22. 1.6115 km WSW of Adak, AlaskaFri, Aug 13, 12:13 PM HADT · 1868 days ago · 24 km deep · 29 km away
23. 2.9Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 13, 2:37 PM HADT · 1868 days ago · 33 km deep · 94 km away
24. 1.620 km SE of Adak, AlaskaFri, Aug 13, 3:40 PM HADT · 1868 days ago · 71 km deep · 93 km away
25. 1.539 km SSW of Adak, AlaskaFri, Aug 13, 4:55 PM HADT · 1867 days ago · 12 km deep · 54 km away
26. 1.7150 km W of Adak, AlaskaFri, Aug 13, 11:14 PM HADT · 1867 days ago · 4 km deep · 87 km away
27. 1.783 km SW of Adak, AlaskaFri, Aug 13, 11:26 PM HADT · 1867 days ago · 30 km deep · 5 km away
28. 1.6133 km WSW of Adak, AlaskaSat, Aug 14, 1:10 AM HADT · 1867 days ago · 7 km deep · 62 km away
29. 1.667 km SSW of Adak, AlaskaSat, Aug 14, 8:38 AM HADT · 1867 days ago · 27 km deep · 46 km away
30. 1.7136 km SW of Adak, AlaskaSat, Aug 14, 7:45 PM HADT · 1866 days ago · 26 km deep · 48 km away
31. 1.7134 km SW of Adak, AlaskaSat, Aug 14, 7:49 PM HADT · 1866 days ago · 18 km deep · 47 km away
32. 1.8134 km SW of Adak, AlaskaSat, Aug 14, 7:50 PM HADT · 1866 days ago · 26 km deep · 46 km away
33. 2.6101 km SSW of Adak, AlaskaSun, Aug 15, 6:31 PM HADT · 1865 days ago · 24 km deep · 55 km away
34. 1.7102 km SSW of Adak, AlaskaSun, Aug 15, 9:45 PM HADT · 1865 days ago · 47 km deep · 51 km away
35. 1.793 km WSW of Adak, AlaskaMon, Aug 16, 2:35 AM HADT · 1865 days ago · 13 km deep · 16 km away
36. 1.648 km SW of Adak, AlaskaMon, Aug 16, 1:41 PM HADT · 1865 days ago · 42 km deep · 46 km away
37. 2.760 km SW of Adak, AlaskaMon, Aug 16, 8:48 PM HADT · 1864 days ago · 69 km deep · 30 km away
38. 1.6132 km WSW of Adak, AlaskaTue, Aug 17, 9:16 AM HADT · 1864 days ago · 7 km deep · 61 km away
39. 2.1128 km SW of Adak, AlaskaTue, Aug 17, 2:13 PM HADT · 1864 days ago · 26 km deep · 40 km away
40. 1.514 km SSE of Adak, AlaskaWed, Aug 18, 2:44 AM HADT · 1863 days ago · 80 km deep · 89 km away
41. 1.956 km W of Adak, AlaskaWed, Aug 18, 3:50 AM HADT · 1863 days ago · 92 km deep · 46 km away
42. 1.6121 km W of Adak, AlaskaWed, Aug 18, 5:17 AM HADT · 1863 days ago · 92 km deep · 60 km away
43. 2.5135 km WSW of Adak, AlaskaWed, Aug 18, 11:12 AM HADT · 1863 days ago · 35 km deep · 47 km away
44. 3.6141 km WSW of Adak, AlaskaWed, Aug 18, 1:26 PM HADT · 1863 days ago · 31 km deep · 54 km away
45. 1.8175 km WSW of Adak, AlaskaWed, Aug 18, 6:20 PM HADT · 1862 days ago · 72 km deep · 98 km away
46. 1.572 km SSE of Adak, AlaskaWed, Aug 18, 10:51 PM HADT · 1862 days ago · 21 km deep · 98 km away
47. 1.654 km WNW of Adak, AlaskaWed, Aug 18, 11:08 PM HADT · 1862 days ago · 128 km deep · 72 km away
48. 1.5137 km SSW of Adak, AlaskaThu, Aug 19, 2:42 AM HADT · 1862 days ago · 26 km deep · 65 km away
49. 2.9113 km WSW of Adak, AlaskaThu, Aug 19, 11:16 AM HADT · 1862 days ago · 66 km deep · 33 km away
50. 1.7120 km WSW of Adak, AlaskaThu, Aug 19, 5:36 PM HADT · 1861 days ago · 66 km deep · 42 km away
51. 1.9156 km WSW of Adak, AlaskaThu, Aug 19, 10:20 PM HADT · 1861 days ago · 17 km deep · 67 km away
52. 1.668 km SW of Adak, AlaskaSat, Aug 21, 2:56 AM HADT · 1860 days ago · 51 km deep · 23 km away
53. 1.610 km SW of Adak, AlaskaSat, Aug 21, 11:52 AM HADT · 1860 days ago · 81 km deep · 79 km away
54. 3.064 km SSW of Adak, AlaskaSat, Aug 21, 3:02 PM HADT · 1860 days ago · 35 km deep · 50 km away
55. 2.687 km S of Adak, AlaskaSat, Aug 21, 5:28 PM HADT · 1859 days ago · 35 km deep · 67 km away
56. 4.8128 km WSW of Adak, AlaskaSun, Aug 22, 2:45 AM HADT · 1859 days ago · 52 km deep · 44 km away · felt by 1
57. 4.0131 km WSW of Adak, AlaskaSun, Aug 22, 2:46 AM HADT · 1859 days ago · 35 km deep · 44 km away
58. 2.8132 km WSW of Adak, AlaskaSun, Aug 22, 2:47 AM HADT · 1859 days ago · 35 km deep · 45 km away
59. 3.4133 km WSW of Adak, AlaskaSun, Aug 22, 2:50 AM HADT · 1859 days ago · 35 km deep · 45 km away
60. 1.8133 km WSW of Adak, AlaskaSun, Aug 22, 2:53 AM HADT · 1859 days ago · 25 km deep · 45 km away

The first 60 of 180.

Before

1. 1.545 km SSW of Adak, AlaskaFri, Aug 6, 4:31 PM HADT · 1874 days ago · 63 km deep · 53 km away
2. 2.874 km SW of Adak, AlaskaFri, Aug 6, 3:28 AM HADT · 1875 days ago · 61 km deep · 21 km away
3. 2.068 km W of Adak, AlaskaFri, Aug 6, 1:21 AM HADT · 1875 days ago · 73 km deep · 38 km away
4. 1.8131 km SW of Adak, AlaskaThu, Aug 5, 9:25 AM HADT · 1876 days ago · 26 km deep · 42 km away
5. 2.0137 km SW of Adak, AlaskaThu, Aug 5, 8:52 AM HADT · 1876 days ago · 26 km deep · 49 km away
6. 1.9122 km WSW of Adak, AlaskaWed, Aug 4, 10:05 PM HADT · 1876 days ago · 25 km deep · 38 km away
7. 3.4142 km WSW of Adak, AlaskaWed, Aug 4, 10:03 AM HADT · 1877 days ago · 32 km deep · 55 km away
8. 1.677 km SW of Adak, AlaskaWed, Aug 4, 2:09 AM HADT · 1877 days ago · 29 km deep · 12 km away
9. 1.6117 km WSW of Adak, AlaskaTue, Aug 3, 7:12 PM HADT · 1877 days ago · 45 km deep · 33 km away
10. 1.520 km SSW of Adak, AlaskaTue, Aug 3, 2:43 PM HADT · 1878 days ago · 74 km deep · 72 km away
11. 1.982 km W of Adak, AlaskaTue, Aug 3, 1:00 PM HADT · 1878 days ago · 7 km deep · 49 km away
12. 1.694 km SW of Adak, AlaskaTue, Aug 3, 11:09 AM HADT · 1878 days ago · 23 km deep · 24 km away
13. 1.6Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 3, 6:33 AM HADT · 1878 days ago · 13 km deep · 34 km away
14. 1.546 km WSW of Adak, AlaskaMon, Aug 2, 11:43 PM HADT · 1878 days ago · 75 km deep · 44 km away
15. 2.1133 km W of Adak, AlaskaMon, Aug 2, 6:36 PM HADT · 1878 days ago · 139 km deep · 81 km away
16. 1.582 km WSW of Adak, AlaskaMon, Aug 2, 4:44 PM HADT · 1878 days ago · 38 km deep · 8 km away
17. 1.669 km WSW of Adak, AlaskaMon, Aug 2, 2:12 PM HADT · 1879 days ago · 71 km deep · 34 km away
18. 1.560 km SSW of Adak, AlaskaMon, Aug 2, 11:41 AM HADT · 1879 days ago · 36 km deep · 44 km away
19. 3.244 km SSE of Adak, AlaskaMon, Aug 2, 12:36 AM HADT · 1879 days ago · 44 km deep · 89 km away
20. 3.517 km SE of Adak, AlaskaSun, Aug 1, 11:48 PM HADT · 1879 days ago · 69 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021a2i7z8y. Read Thu, Sep 24, 2026, 12:18 PM UTC.