M1.6 earthquake 116 km SSW of Atka, Alaska

Magnitude

1.6 (ml), micro

Local time

Thu, Aug 12, 2021, 5:01 AM HADT

UTC

2021-08-12 14:01:10 UTC

Depth

18.5 km (11.5 mi), shallow

Epicenter

51.214° N, 174.789° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

27

After

1. 2.746 km S of Atka, AlaskaThu, Aug 12, 12:40 PM HADT · 1872 days ago · 35 km deep · 80 km away
2. 1.574 km E of Adak, AlaskaThu, Aug 12, 12:57 PM HADT · 1872 days ago · 22 km deep · 84 km away
3. 1.653 km SSW of Atka, AlaskaThu, Aug 12, 9:20 PM HADT · 1872 days ago · 15 km deep · 63 km away
4. 1.560 km SE of Adak, AlaskaFri, Aug 13, 5:37 PM HADT · 1871 days ago · 22 km deep · 94 km away
5. 3.183 km E of Adak, AlaskaSun, Aug 15, 11:11 PM HADT · 1868 days ago · 73 km deep · 78 km away
6. 3.038 km SSE of Atka, AlaskaTue, Aug 17, 3:57 AM HADT · 1867 days ago · 67 km deep · 99 km away
7. 1.573 km WSW of Atka, AlaskaWed, Aug 18, 12:02 PM HADT · 1866 days ago · 64 km deep · 84 km away
8. 2.2103 km S of Atka, AlaskaWed, Aug 18, 8:28 PM HADT · 1866 days ago · 29 km deep · 48 km away
9. 3.464 km SE of Adak, AlaskaThu, Aug 19, 2:20 PM HADT · 1865 days ago · 35 km deep · 86 km away
10. 2.5102 km SSE of Atka, AlaskaSat, Aug 21, 1:54 AM HADT · 1863 days ago · 10 km deep · 77 km away
11. 1.742 km SW of Atka, AlaskaSat, Aug 21, 3:05 AM HADT · 1863 days ago · 53 km deep · 78 km away
12. 2.853 km SSE of Atka, AlaskaSat, Aug 21, 4:18 AM HADT · 1863 days ago · 35 km deep · 87 km away
13. 2.059 km SSE of Atka, AlaskaSat, Aug 21, 8:00 AM HADT · 1863 days ago · 15 km deep · 88 km away
14. 3.2Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 21, 4:15 PM HADT · 1863 days ago · 35 km deep · 43 km away
15. 1.921 km SW of Atka, AlaskaSun, Aug 22, 12:28 AM HADT · 1862 days ago · 9 km deep · 98 km away
16. 3.067 km E of Adak, AlaskaSun, Aug 22, 9:54 PM HADT · 1862 days ago · 71 km deep · 92 km away
17. 1.980 km SE of Adak, AlaskaSun, Aug 22, 10:10 PM HADT · 1862 days ago · 26 km deep · 69 km away
18. 1.934 km SSW of Atka, AlaskaSun, Aug 22, 10:38 PM HADT · 1861 days ago · 71 km deep · 83 km away
19. 1.690 km SSE of Atka, AlaskaMon, Aug 23, 3:23 PM HADT · 1861 days ago · 41 km deep · 75 km away
20. 1.696 km ESE of Adak, AlaskaTue, Aug 24, 10:56 PM HADT · 1859 days ago · 26 km deep · 58 km away
21. 1.871 km E of Adak, AlaskaWed, Aug 25, 10:38 AM HADT · 1859 days ago · 149 km deep · 92 km away
22. 1.675 km SE of Adak, AlaskaWed, Aug 25, 11:19 AM HADT · 1859 days ago · 18 km deep · 74 km away
23. 2.1165 km SSE of Atka, AlaskaWed, Aug 25, 3:24 PM HADT · 1859 days ago · 11 km deep · 96 km away
24. 3.668 km ESE of Adak, AlaskaWed, Aug 25, 5:07 PM HADT · 1859 days ago · 35 km deep · 79 km away
25. 1.9170 km SE of Adak, AlaskaWed, Aug 25, 9:26 PM HADT · 1859 days ago · 10 km deep · 66 km away
26. 1.662 km SE of Adak, AlaskaThu, Aug 26, 3:12 AM HADT · 1858 days ago · 26 km deep · 94 km away
27. 1.773 km WSW of Atka, AlaskaThu, Aug 26, 10:45 AM HADT · 1858 days ago · 73 km deep · 91 km away
28. 1.796 km ESE of Adak, AlaskaThu, Aug 26, 3:50 PM HADT · 1858 days ago · 29 km deep · 57 km away
29. 2.085 km SSE of Atka, AlaskaThu, Aug 26, 8:40 PM HADT · 1858 days ago · 4 km deep · 89 km away
30. 1.661 km SSE of Atka, AlaskaSat, Aug 28, 4:49 AM HADT · 1856 days ago · 25 km deep · 82 km away
31. 1.689 km SE of Adak, AlaskaSat, Aug 28, 2:52 PM HADT · 1856 days ago · 26 km deep · 60 km away
32. 2.2187 km SSW of Atka, AlaskaSun, Aug 29, 9:45 AM HADT · 1855 days ago · 24 km deep · 73 km away
33. 1.772 km WSW of Atka, AlaskaSun, Aug 29, 11:45 AM HADT · 1855 days ago · 122 km deep · 98 km away
34. 1.658 km SE of Adak, AlaskaSun, Aug 29, 1:04 PM HADT · 1855 days ago · 33 km deep · 91 km away
35. 2.1178 km S of Atka, AlaskaMon, Aug 30, 6:16 AM HADT · 1854 days ago · 7 km deep · 93 km away
36. 3.684 km E of Adak, AlaskaMon, Aug 30, 9:28 PM HADT · 1854 days ago · 64 km deep · 80 km away
37. 1.676 km ESE of Adak, AlaskaTue, Aug 31, 12:26 AM HADT · 1853 days ago · 19 km deep · 78 km away
38. 2.7188 km S of Atka, AlaskaTue, Aug 31, 4:08 AM HADT · 1853 days ago · 10 km deep · 96 km away
39. 3.262 km SE of Adak, AlaskaWed, Sep 1, 5:48 PM HADT · 1852 days ago · 26 km deep · 95 km away
40. 1.558 km SE of Adak, AlaskaThu, Sep 2, 5:10 PM HADT · 1851 days ago · 48 km deep · 92 km away
41. 1.753 km SSE of Atka, AlaskaThu, Sep 2, 11:20 PM HADT · 1850 days ago · 35 km deep · 91 km away
42. 1.992 km SSE of Adak, AlaskaFri, Sep 3, 9:54 AM HADT · 1850 days ago · 14 km deep · 99 km away
43. 2.8182 km SE of Adak, AlaskaFri, Sep 3, 11:07 AM HADT · 1850 days ago · 29 km deep · 77 km away
44. 1.560 km SE of Adak, AlaskaFri, Sep 3, 7:04 PM HADT · 1850 days ago · 27 km deep · 89 km away
45. 2.588 km ESE of Adak, AlaskaSat, Sep 4, 10:10 AM HADT · 1849 days ago · 58 km deep · 68 km away
46. 2.866 km S of Atka, AlaskaSun, Sep 5, 8:48 AM HADT · 1848 days ago · 35 km deep · 54 km away
47. 3.367 km ESE of Adak, AlaskaMon, Sep 6, 12:23 PM HADT · 1847 days ago · 39 km deep · 80 km away
48. 1.962 km SE of Adak, AlaskaTue, Sep 7, 9:12 AM HADT · 1846 days ago · 26 km deep · 92 km away
49. 2.893 km SSE of Atka, AlaskaTue, Sep 7, 5:09 PM HADT · 1846 days ago · 35 km deep · 70 km away
50. 1.7109 km S of Atka, AlaskaWed, Sep 8, 3:09 AM HADT · 1845 days ago · 24 km deep · 42 km away
51. 1.972 km SSW of Atka, AlaskaWed, Sep 8, 7:43 PM HADT · 1845 days ago · 22 km deep · 46 km away
52. 3.689 km SW of Atka, AlaskaThu, Sep 9, 2:44 PM HADT · 1844 days ago · 35 km deep · 45 km away
53. 3.7101 km ESE of Adak, AlaskaFri, Sep 10, 5:00 AM HADT · 1843 days ago · 35 km deep · 46 km away
54. 3.147 km S of Atka, AlaskaFri, Sep 10, 8:42 AM HADT · 1843 days ago · 27 km deep · 72 km away
55. 3.131 km S of Atka, AlaskaFri, Sep 10, 9:35 AM HADT · 1843 days ago · 4 km deep · 86 km away
56. 1.950 km SSW of Atka, AlaskaFri, Sep 10, 2:59 PM HADT · 1843 days ago · 61 km deep · 66 km away
57. 2.957 km SSE of Adak, AlaskaSun, Sep 12, 5:44 AM HADT · 1841 days ago · 35 km deep · 100 km away
58. 1.756 km SE of Adak, AlaskaTue, Sep 14, 6:24 PM HADT · 1839 days ago · 13 km deep · 99 km away
59. 1.660 km SE of Adak, AlaskaTue, Sep 14, 6:47 PM HADT · 1839 days ago · 13 km deep · 96 km away
60. 2.687 km S of Atka, AlaskaFri, Sep 17, 1:22 AM HADT · 1836 days ago · 35 km deep · 48 km away

The first 60 of 92.

Before

1. 3.764 km SE of Adak, AlaskaWed, Aug 11, 8:02 AM HADT · 1873 days ago · 35 km deep · 87 km away
2. 2.068 km SE of Atka, AlaskaTue, Aug 10, 3:11 PM HADT · 1874 days ago · 23 km deep · 98 km away
3. 3.160 km SSW of Atka, AlaskaTue, Aug 10, 2:40 PM HADT · 1874 days ago · 224 km deep · 57 km away
4. 1.685 km SW of Atka, AlaskaTue, Aug 10, 1:23 PM HADT · 1874 days ago · 25 km deep · 49 km away
5. 3.054 km SE of Adak, AlaskaTue, Aug 10, 3:04 AM HADT · 1874 days ago · 35 km deep · 99 km away
6. 2.122 km SSW of Atka, AlaskaMon, Aug 9, 10:37 PM HADT · 1874 days ago · 152 km deep · 94 km away
7. 1.774 km SSE of Adak, AlaskaMon, Aug 9, 7:04 PM HADT · 1875 days ago · 25 km deep · 98 km away
8. 1.930 km SSW of Atka, AlaskaSun, Aug 8, 12:47 PM HADT · 1876 days ago · 65 km deep · 87 km away
9. 2.0112 km SSW of Atka, AlaskaSun, Aug 8, 7:06 AM HADT · 1876 days ago · 12 km deep · 6 km away
10. 3.9111 km SSW of Atka, AlaskaSun, Aug 8, 6:55 AM HADT · 1876 days ago · 27 km deep · 7 km away
11. 1.6101 km SSE of Adak, AlaskaSun, Aug 8, 2:34 AM HADT · 1876 days ago · 24 km deep · 83 km away
12. 2.6112 km SSW of Atka, AlaskaSun, Aug 8, 1:09 AM HADT · 1876 days ago · 11 km deep · 6 km away
13. 3.6112 km SSW of Atka, AlaskaSat, Aug 7, 11:17 PM HADT · 1876 days ago · 11 km deep · 5 km away
14. 1.867 km WSW of Atka, AlaskaSat, Aug 7, 10:40 AM HADT · 1877 days ago · 69 km deep · 80 km away
15. 3.072 km ESE of Adak, AlaskaSat, Aug 7, 6:50 AM HADT · 1877 days ago · 62 km deep · 77 km away
16. 2.0120 km SSW of Atka, AlaskaFri, Aug 6, 8:18 PM HADT · 1878 days ago · 21 km deep · 25 km away
17. 1.9123 km SSW of Atka, AlaskaFri, Aug 6, 8:13 PM HADT · 1878 days ago · 26 km deep · 23 km away
18. 2.766 km S of Atka, AlaskaFri, Aug 6, 11:17 AM HADT · 1878 days ago · 35 km deep · 60 km away
19. 1.969 km SE of Adak, AlaskaFri, Aug 6, 9:47 AM HADT · 1878 days ago · 39 km deep · 83 km away
20. 1.565 km SSE of Adak, AlaskaThu, Aug 5, 5:25 AM HADT · 1879 days ago · 20 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021aaoq1ds. Read Sun, Sep 27, 2026, 6:54 PM UTC.