M1.6 earthquake 85 km SW of Atka, Alaska

Magnitude

1.6 (ml), micro

Local time

Tue, Aug 10, 2021, 1:23 PM HADT

UTC

2021-08-10 22:23:04 UTC

Depth

25.3 km (15.7 mi), shallow

Epicenter

51.629° N, 175.041° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

26

After

1. 3.160 km SSW of Atka, AlaskaTue, Aug 10, 2:40 PM HADT · 1870 days ago · 224 km deep · 32 km away
2. 2.068 km SE of Atka, AlaskaTue, Aug 10, 3:11 PM HADT · 1870 days ago · 23 km deep · 99 km away
3. 1.813 km N of Atka, AlaskaTue, Aug 10, 4:33 PM HADT · 1870 days ago · 4 km deep · 95 km away
4. 1.815 km N of Atka, AlaskaTue, Aug 10, 4:52 PM HADT · 1870 days ago · 3 km deep · 98 km away
5. 2.114 km N of Atka, AlaskaTue, Aug 10, 5:27 PM HADT · 1870 days ago · 5 km deep · 97 km away
6. 2.014 km N of Atka, AlaskaTue, Aug 10, 6:11 PM HADT · 1870 days ago · 5 km deep · 97 km away
7. 1.513 km N of Atka, AlaskaTue, Aug 10, 8:18 PM HADT · 1870 days ago · 5 km deep · 95 km away
8. 2.114 km N of Atka, AlaskaWed, Aug 11, 12:50 AM HADT · 1870 days ago · 4 km deep · 97 km away
9. 2.315 km N of Atka, AlaskaWed, Aug 11, 12:56 AM HADT · 1870 days ago · 4 km deep · 98 km away
10. 3.764 km SE of Adak, AlaskaWed, Aug 11, 8:02 AM HADT · 1870 days ago · 35 km deep · 66 km away
11. 1.613 km N of Atka, AlaskaWed, Aug 11, 8:32 AM HADT · 1870 days ago · 5 km deep · 96 km away
12. 2.015 km N of Atka, AlaskaWed, Aug 11, 10:31 AM HADT · 1870 days ago · 4 km deep · 98 km away
13. 1.6116 km SSW of Atka, AlaskaThu, Aug 12, 5:01 AM HADT · 1869 days ago · 19 km deep · 49 km away
14. 3.028 km WSW of Atka, AlaskaThu, Aug 12, 6:45 AM HADT · 1869 days ago · 71 km deep · 63 km away
15. 1.741 km ENE of Adak, AlaskaThu, Aug 12, 10:06 AM HADT · 1869 days ago · 6 km deep · 87 km away
16. 2.746 km S of Atka, AlaskaThu, Aug 12, 12:40 PM HADT · 1869 days ago · 35 km deep · 69 km away
17. 1.574 km E of Adak, AlaskaThu, Aug 12, 12:57 PM HADT · 1869 days ago · 22 km deep · 41 km away
18. 1.653 km SSW of Atka, AlaskaThu, Aug 12, 9:20 PM HADT · 1868 days ago · 15 km deep · 44 km away
19. 2.9Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 13, 2:37 PM HADT · 1867 days ago · 33 km deep · 92 km away
20. 1.620 km SE of Adak, AlaskaFri, Aug 13, 3:40 PM HADT · 1867 days ago · 71 km deep · 97 km away
21. 1.560 km SE of Adak, AlaskaFri, Aug 13, 5:37 PM HADT · 1867 days ago · 22 km deep · 76 km away
22. 3.183 km E of Adak, AlaskaSun, Aug 15, 11:11 PM HADT · 1865 days ago · 73 km deep · 32 km away
23. 3.038 km SSE of Atka, AlaskaTue, Aug 17, 3:57 AM HADT · 1864 days ago · 67 km deep · 85 km away
24. 1.573 km WSW of Atka, AlaskaWed, Aug 18, 12:02 PM HADT · 1863 days ago · 64 km deep · 34 km away
25. 2.2103 km S of Atka, AlaskaWed, Aug 18, 8:28 PM HADT · 1862 days ago · 29 km deep · 76 km away
26. 1.572 km SSE of Adak, AlaskaWed, Aug 18, 10:51 PM HADT · 1862 days ago · 21 km deep · 97 km away
27. 2.053 km ENE of Adak, AlaskaThu, Aug 19, 3:58 AM HADT · 1862 days ago · 146 km deep · 77 km away
28. 1.863 km W of Atka, AlaskaThu, Aug 19, 10:05 AM HADT · 1862 days ago · 170 km deep · 66 km away
29. 3.464 km SE of Adak, AlaskaThu, Aug 19, 2:20 PM HADT · 1861 days ago · 35 km deep · 66 km away
30. 2.5102 km SSE of Atka, AlaskaSat, Aug 21, 1:54 AM HADT · 1860 days ago · 10 km deep · 99 km away
31. 1.742 km SW of Atka, AlaskaSat, Aug 21, 3:05 AM HADT · 1860 days ago · 53 km deep · 43 km away
32. 2.853 km SSE of Atka, AlaskaSat, Aug 21, 4:18 AM HADT · 1860 days ago · 35 km deep · 81 km away
33. 2.059 km SSE of Atka, AlaskaSat, Aug 21, 8:00 AM HADT · 1860 days ago · 15 km deep · 86 km away
34. 3.2Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 21, 4:15 PM HADT · 1859 days ago · 35 km deep · 20 km away
35. 1.921 km SW of Atka, AlaskaSun, Aug 22, 12:28 AM HADT · 1859 days ago · 9 km deep · 65 km away
36. 1.664 km ENE of Adak, AlaskaSun, Aug 22, 3:51 AM HADT · 1859 days ago · 12 km deep · 71 km away
37. 3.067 km E of Adak, AlaskaSun, Aug 22, 9:54 PM HADT · 1858 days ago · 71 km deep · 48 km away
38. 1.980 km SE of Adak, AlaskaSun, Aug 22, 10:10 PM HADT · 1858 days ago · 26 km deep · 52 km away
39. 1.934 km SSW of Atka, AlaskaSun, Aug 22, 10:38 PM HADT · 1858 days ago · 71 km deep · 52 km away
40. 1.657 km ENE of Adak, AlaskaMon, Aug 23, 12:08 PM HADT · 1858 days ago · 175 km deep · 81 km away
41. 1.690 km SSE of Atka, AlaskaMon, Aug 23, 3:23 PM HADT · 1857 days ago · 41 km deep · 91 km away
42. 1.74 km NNE of Atka, AlaskaMon, Aug 23, 3:50 PM HADT · 1857 days ago · 129 km deep · 90 km away
43. 1.645 km E of Adak, AlaskaMon, Aug 23, 6:19 PM HADT · 1857 days ago · 68 km deep · 68 km away
44. 1.696 km ESE of Adak, AlaskaTue, Aug 24, 10:56 PM HADT · 1856 days ago · 26 km deep · 17 km away
45. 2.8Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 25, 12:10 AM HADT · 1856 days ago · 219 km deep · 75 km away
46. 1.871 km E of Adak, AlaskaWed, Aug 25, 10:38 AM HADT · 1856 days ago · 149 km deep · 47 km away
47. 1.675 km SE of Adak, AlaskaWed, Aug 25, 11:19 AM HADT · 1856 days ago · 18 km deep · 56 km away
48. 3.668 km ESE of Adak, AlaskaWed, Aug 25, 5:07 PM HADT · 1855 days ago · 35 km deep · 52 km away
49. 1.829 km SSE of Adak, AlaskaWed, Aug 25, 8:39 PM HADT · 1855 days ago · 45 km deep · 97 km away
50. 1.662 km SE of Adak, AlaskaThu, Aug 26, 3:12 AM HADT · 1855 days ago · 26 km deep · 77 km away
51. 1.773 km WSW of Atka, AlaskaThu, Aug 26, 10:45 AM HADT · 1855 days ago · 73 km deep · 42 km away
52. 1.796 km ESE of Adak, AlaskaThu, Aug 26, 3:50 PM HADT · 1854 days ago · 29 km deep · 18 km away
53. 2.085 km SSE of Atka, AlaskaThu, Aug 26, 8:40 PM HADT · 1854 days ago · 4 km deep · 100 km away
54. 1.661 km SSE of Atka, AlaskaSat, Aug 28, 4:49 AM HADT · 1853 days ago · 25 km deep · 80 km away
55. 1.942 km NE of Adak, AlaskaSat, Aug 28, 1:34 PM HADT · 1853 days ago · 189 km deep · 97 km away
56. 1.689 km SE of Adak, AlaskaSat, Aug 28, 2:52 PM HADT · 1852 days ago · 26 km deep · 47 km away
57. 1.578 km W of Atka, AlaskaSat, Aug 28, 7:16 PM HADT · 1852 days ago · 110 km deep · 55 km away
58. 1.758 km SSE of Adak, AlaskaSat, Aug 28, 10:08 PM HADT · 1852 days ago · 24 km deep · 95 km away
59. 1.772 km WSW of Atka, AlaskaSun, Aug 29, 11:45 AM HADT · 1852 days ago · 122 km deep · 49 km away
60. 1.658 km SE of Adak, AlaskaSun, Aug 29, 1:04 PM HADT · 1852 days ago · 33 km deep · 67 km away

The first 60 of 139.

Before

1. 2.744 km SSE of Adak, AlaskaTue, Aug 10, 5:59 AM HADT · 1871 days ago · 35 km deep · 91 km away
2. 3.054 km SE of Adak, AlaskaTue, Aug 10, 3:04 AM HADT · 1871 days ago · 35 km deep · 78 km away
3. 2.122 km SSW of Atka, AlaskaMon, Aug 9, 10:37 PM HADT · 1871 days ago · 152 km deep · 64 km away
4. 1.774 km SSE of Adak, AlaskaMon, Aug 9, 7:04 PM HADT · 1871 days ago · 25 km deep · 90 km away
5. 1.930 km SSW of Atka, AlaskaSun, Aug 8, 12:47 PM HADT · 1873 days ago · 65 km deep · 55 km away
6. 2.0112 km SSW of Atka, AlaskaSun, Aug 8, 7:06 AM HADT · 1873 days ago · 12 km deep · 43 km away
7. 3.9111 km SSW of Atka, AlaskaSun, Aug 8, 6:55 AM HADT · 1873 days ago · 27 km deep · 42 km away
8. 1.6101 km SSE of Adak, AlaskaSun, Aug 8, 2:34 AM HADT · 1873 days ago · 24 km deep · 90 km away
9. 2.6112 km SSW of Atka, AlaskaSun, Aug 8, 1:09 AM HADT · 1873 days ago · 11 km deep · 43 km away
10. 3.6112 km SSW of Atka, AlaskaSat, Aug 7, 11:17 PM HADT · 1873 days ago · 11 km deep · 45 km away
11. 1.867 km WSW of Atka, AlaskaSat, Aug 7, 10:40 AM HADT · 1874 days ago · 69 km deep · 31 km away
12. 3.072 km ESE of Adak, AlaskaSat, Aug 7, 6:50 AM HADT · 1874 days ago · 62 km deep · 42 km away
13. 2.0120 km SSW of Atka, AlaskaFri, Aug 6, 8:18 PM HADT · 1874 days ago · 21 km deep · 39 km away
14. 1.9123 km SSW of Atka, AlaskaFri, Aug 6, 8:13 PM HADT · 1874 days ago · 26 km deep · 43 km away
15. 2.766 km S of Atka, AlaskaFri, Aug 6, 11:17 AM HADT · 1875 days ago · 35 km deep · 60 km away
16. 1.969 km SE of Adak, AlaskaFri, Aug 6, 9:47 AM HADT · 1875 days ago · 39 km deep · 66 km away
17. 1.565 km SSE of Adak, AlaskaThu, Aug 5, 5:25 AM HADT · 1876 days ago · 20 km deep · 84 km away
18. 3.672 km SE of Adak, AlaskaThu, Aug 5, 4:42 AM HADT · 1876 days ago · 30 km deep · 67 km away
19. 1.765 km SE of Adak, AlaskaWed, Aug 4, 4:23 PM HADT · 1876 days ago · 24 km deep · 64 km away
20. 3.150 km S of Atka, AlaskaWed, Aug 4, 7:32 AM HADT · 1877 days ago · 10 km deep · 59 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021a7ijipx. Read Thu, Sep 24, 2026, 10:10 AM UTC.