M1.6 earthquake 115 km WSW of Adak, Alaska

Magnitude

1.6 (ml), micro

Local time

Fri, Aug 13, 2021, 12:13 PM HADT

UTC

2021-08-13 21:13:39 UTC

Depth

23.8 km (14.8 mi), shallow

Epicenter

51.391° N, 178.115° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

38

After

1. 1.539 km SSW of Adak, AlaskaFri, Aug 13, 4:55 PM HADT · 1867 days ago · 12 km deep · 83 km away
2. 1.7150 km W of Adak, AlaskaFri, Aug 13, 11:14 PM HADT · 1867 days ago · 4 km deep · 66 km away
3. 1.783 km SW of Adak, AlaskaFri, Aug 13, 11:26 PM HADT · 1867 days ago · 30 km deep · 34 km away
4. 1.7199 km WSW of Adak, AlaskaSat, Aug 14, 12:46 AM HADT · 1867 days ago · 26 km deep · 84 km away
5. 1.6133 km WSW of Adak, AlaskaSat, Aug 14, 1:10 AM HADT · 1867 days ago · 7 km deep · 39 km away
6. 2.8205 km WSW of Adak, AlaskaSat, Aug 14, 2:26 AM HADT · 1867 days ago · 33 km deep · 90 km away
7. 1.667 km SSW of Adak, AlaskaSat, Aug 14, 8:38 AM HADT · 1867 days ago · 27 km deep · 74 km away
8. 1.7136 km SW of Adak, AlaskaSat, Aug 14, 7:45 PM HADT · 1866 days ago · 26 km deep · 31 km away
9. 1.7134 km SW of Adak, AlaskaSat, Aug 14, 7:49 PM HADT · 1866 days ago · 18 km deep · 35 km away
10. 1.8134 km SW of Adak, AlaskaSat, Aug 14, 7:50 PM HADT · 1866 days ago · 26 km deep · 29 km away
11. 2.6101 km SSW of Adak, AlaskaSun, Aug 15, 6:31 PM HADT · 1865 days ago · 24 km deep · 74 km away
12. 1.7102 km SSW of Adak, AlaskaSun, Aug 15, 9:45 PM HADT · 1865 days ago · 47 km deep · 70 km away
13. 1.793 km WSW of Adak, AlaskaMon, Aug 16, 2:35 AM HADT · 1865 days ago · 13 km deep · 22 km away
14. 3.2196 km WSW of Adak, AlaskaMon, Aug 16, 7:23 AM HADT · 1865 days ago · 35 km deep · 80 km away
15. 1.648 km SW of Adak, AlaskaMon, Aug 16, 1:41 PM HADT · 1864 days ago · 42 km deep · 75 km away
16. 2.760 km SW of Adak, AlaskaMon, Aug 16, 8:48 PM HADT · 1864 days ago · 69 km deep · 58 km away
17. 1.6132 km WSW of Adak, AlaskaTue, Aug 17, 9:16 AM HADT · 1864 days ago · 7 km deep · 38 km away
18. 2.1128 km SW of Adak, AlaskaTue, Aug 17, 2:13 PM HADT · 1863 days ago · 26 km deep · 26 km away
19. 2.3169 km W of Adak, AlaskaTue, Aug 17, 6:25 PM HADT · 1863 days ago · 243 km deep · 89 km away
20. 1.956 km W of Adak, AlaskaWed, Aug 18, 3:50 AM HADT · 1863 days ago · 92 km deep · 65 km away
21. 1.6121 km W of Adak, AlaskaWed, Aug 18, 5:17 AM HADT · 1863 days ago · 92 km deep · 44 km away
22. 2.5135 km WSW of Adak, AlaskaWed, Aug 18, 11:12 AM HADT · 1863 days ago · 35 km deep · 21 km away
23. 3.6141 km WSW of Adak, AlaskaWed, Aug 18, 1:26 PM HADT · 1862 days ago · 31 km deep · 25 km away
24. 1.8175 km WSW of Adak, AlaskaWed, Aug 18, 6:20 PM HADT · 1862 days ago · 72 km deep · 70 km away
25. 1.654 km WNW of Adak, AlaskaWed, Aug 18, 11:08 PM HADT · 1862 days ago · 128 km deep · 88 km away
26. 1.5137 km SSW of Adak, AlaskaThu, Aug 19, 2:42 AM HADT · 1862 days ago · 26 km deep · 67 km away
27. 1.6197 km WSW of Adak, AlaskaThu, Aug 19, 9:53 AM HADT · 1862 days ago · 75 km deep · 92 km away
28. 2.9113 km WSW of Adak, AlaskaThu, Aug 19, 11:16 AM HADT · 1862 days ago · 66 km deep · 12 km away
29. 1.7120 km WSW of Adak, AlaskaThu, Aug 19, 5:36 PM HADT · 1861 days ago · 66 km deep · 20 km away
30. 1.9156 km WSW of Adak, AlaskaThu, Aug 19, 10:20 PM HADT · 1861 days ago · 17 km deep · 42 km away
31. 1.668 km SW of Adak, AlaskaSat, Aug 21, 2:56 AM HADT · 1860 days ago · 51 km deep · 52 km away
32. 3.064 km SSW of Adak, AlaskaSat, Aug 21, 3:02 PM HADT · 1859 days ago · 35 km deep · 78 km away
33. 2.687 km S of Adak, AlaskaSat, Aug 21, 5:28 PM HADT · 1859 days ago · 35 km deep · 92 km away
34. 4.8128 km WSW of Adak, AlaskaSun, Aug 22, 2:45 AM HADT · 1859 days ago · 52 km deep · 15 km away · felt by 1
35. 4.0131 km WSW of Adak, AlaskaSun, Aug 22, 2:46 AM HADT · 1859 days ago · 35 km deep · 15 km away
36. 2.8132 km WSW of Adak, AlaskaSun, Aug 22, 2:47 AM HADT · 1859 days ago · 35 km deep · 16 km away
37. 3.4133 km WSW of Adak, AlaskaSun, Aug 22, 2:50 AM HADT · 1859 days ago · 35 km deep · 18 km away
38. 1.8133 km WSW of Adak, AlaskaSun, Aug 22, 2:53 AM HADT · 1859 days ago · 25 km deep · 18 km away
39. 1.5132 km WSW of Adak, AlaskaSun, Aug 22, 3:05 AM HADT · 1859 days ago · 25 km deep · 17 km away
40. 2.5135 km WSW of Adak, AlaskaSun, Aug 22, 4:32 AM HADT · 1859 days ago · 35 km deep · 21 km away
41. 1.5133 km WSW of Adak, AlaskaSun, Aug 22, 6:17 AM HADT · 1859 days ago · 26 km deep · 19 km away
42. 1.5133 km WSW of Adak, AlaskaSun, Aug 22, 8:39 AM HADT · 1859 days ago · 7 km deep · 37 km away
43. 1.550 km W of Adak, AlaskaSun, Aug 22, 9:16 PM HADT · 1858 days ago · 126 km deep · 82 km away
44. 2.055 km WSW of Adak, AlaskaMon, Aug 23, 2:13 AM HADT · 1858 days ago · 75 km deep · 63 km away
45. 1.7132 km WSW of Adak, AlaskaMon, Aug 23, 10:57 AM HADT · 1858 days ago · 27 km deep · 17 km away
46. 1.8106 km WSW of Adak, AlaskaMon, Aug 23, 2:28 PM HADT · 1857 days ago · 26 km deep · 13 km away
47. 1.5121 km SW of Adak, AlaskaMon, Aug 23, 5:48 PM HADT · 1857 days ago · 25 km deep · 24 km away
48. 1.9194 km WSW of Adak, AlaskaMon, Aug 23, 6:57 PM HADT · 1857 days ago · 13 km deep · 78 km away
49. 2.938 km SSW of Adak, AlaskaTue, Aug 24, 1:17 AM HADT · 1857 days ago · 39 km deep · 87 km away
50. 1.9135 km WSW of Adak, AlaskaTue, Aug 24, 3:05 AM HADT · 1857 days ago · 35 km deep · 20 km away
51. 3.6134 km WSW of Adak, AlaskaTue, Aug 24, 9:33 AM HADT · 1857 days ago · 41 km deep · 19 km away
52. 1.9201 km WSW of Adak, AlaskaTue, Aug 24, 12:02 PM HADT · 1857 days ago · 70 km deep · 95 km away
53. 2.5Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 24, 6:05 PM HADT · 1856 days ago · 35 km deep · 39 km away
54. 2.020 km WSW of Adak, AlaskaWed, Aug 25, 12:04 AM HADT · 1856 days ago · 77 km deep · 96 km away
55. 3.4142 km WSW of Adak, AlaskaWed, Aug 25, 2:08 PM HADT · 1855 days ago · 17 km deep · 28 km away
56. 1.8137 km WSW of Adak, AlaskaWed, Aug 25, 3:59 PM HADT · 1855 days ago · 9 km deep · 31 km away
57. 1.5139 km WSW of Adak, AlaskaWed, Aug 25, 4:36 PM HADT · 1855 days ago · 22 km deep · 30 km away
58. 1.6141 km WSW of Adak, AlaskaWed, Aug 25, 9:06 PM HADT · 1855 days ago · 13 km deep · 31 km away
59. 1.665 km SSW of Adak, AlaskaThu, Aug 26, 9:09 AM HADT · 1855 days ago · 48 km deep · 69 km away
60. 2.062 km SSW of Adak, AlaskaThu, Aug 26, 10:26 AM HADT · 1855 days ago · 29 km deep · 72 km away

The first 60 of 184.

Before

1. 1.5129 km WSW of Adak, AlaskaFri, Aug 13, 5:33 AM HADT · 1868 days ago · 7 km deep · 36 km away
2. 1.644 km SW of Adak, AlaskaFri, Aug 13, 5:03 AM HADT · 1868 days ago · 28 km deep · 78 km away
3. 1.8121 km WSW of Adak, AlaskaThu, Aug 12, 7:34 PM HADT · 1868 days ago · 8 km deep · 9 km away
4. 1.7176 km WSW of Adak, AlaskaThu, Aug 12, 3:03 PM HADT · 1868 days ago · 17 km deep · 65 km away
5. 2.078 km SW of Adak, AlaskaThu, Aug 12, 7:51 AM HADT · 1869 days ago · 24 km deep · 40 km away
6. 2.1114 km WSW of Adak, AlaskaThu, Aug 12, 6:59 AM HADT · 1869 days ago · 26 km deep · 3 km away
7. 3.671 km SSW of Adak, AlaskaWed, Aug 11, 8:25 PM HADT · 1869 days ago · 35 km deep · 69 km away
8. 1.7111 km WSW of Adak, AlaskaWed, Aug 11, 8:07 PM HADT · 1869 days ago · 13 km deep · 8 km away
9. 1.6206 km WSW of Adak, AlaskaWed, Aug 11, 5:16 AM HADT · 1870 days ago · 47 km deep · 96 km away
10. 1.535 km W of Adak, AlaskaWed, Aug 11, 4:17 AM HADT · 1870 days ago · 93 km deep · 87 km away
11. 1.7100 km SW of Adak, AlaskaTue, Aug 10, 10:49 PM HADT · 1870 days ago · 26 km deep · 35 km away
12. 1.7184 km W of Adak, AlaskaTue, Aug 10, 6:35 PM HADT · 1870 days ago · 139 km deep · 95 km away
13. 1.549 km S of Adak, AlaskaTue, Aug 10, 5:11 PM HADT · 1870 days ago · 48 km deep · 94 km away
14. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 9, 5:10 PM HADT · 1871 days ago · 26 km deep · 73 km away
15. 1.682 km WSW of Adak, AlaskaMon, Aug 9, 3:37 PM HADT · 1871 days ago · 25 km deep · 33 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021acgi2c3. Read Thu, Sep 24, 2026, 8:39 AM UTC.