M1.9 earthquake 69 km SE of Adak, Alaska

Magnitude

1.9 (ml), micro

Local time

Fri, Aug 6, 2021, 9:47 AM HADT

UTC

2021-08-06 18:47:28 UTC

Depth

38.8 km (24.1 mi), shallow

Epicenter

51.426° N, 175.937° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

28

After

1. 1.545 km SSW of Adak, AlaskaFri, Aug 6, 4:31 PM HADT · 1874 days ago · 63 km deep · 71 km away
2. 1.9123 km SSW of Atka, AlaskaFri, Aug 6, 8:13 PM HADT · 1874 days ago · 26 km deep · 60 km away
3. 2.0120 km SSW of Atka, AlaskaFri, Aug 6, 8:18 PM HADT · 1874 days ago · 21 km deep · 58 km away
4. 3.072 km ESE of Adak, AlaskaSat, Aug 7, 6:50 AM HADT · 1874 days ago · 62 km deep · 31 km away
5. 1.867 km WSW of Atka, AlaskaSat, Aug 7, 10:40 AM HADT · 1874 days ago · 69 km deep · 81 km away
6. 1.646 km SW of Adak, AlaskaSat, Aug 7, 3:11 PM HADT · 1873 days ago · 48 km deep · 81 km away
7. 3.6112 km SSW of Atka, AlaskaSat, Aug 7, 11:17 PM HADT · 1873 days ago · 11 km deep · 82 km away
8. 2.6112 km SSW of Atka, AlaskaSun, Aug 8, 1:09 AM HADT · 1873 days ago · 11 km deep · 79 km away
9. 1.6101 km SSE of Adak, AlaskaSun, Aug 8, 2:34 AM HADT · 1873 days ago · 24 km deep · 40 km away
10. 3.9111 km SSW of Atka, AlaskaSun, Aug 8, 6:55 AM HADT · 1873 days ago · 27 km deep · 79 km away
11. 2.0112 km SSW of Atka, AlaskaSun, Aug 8, 7:06 AM HADT · 1873 days ago · 12 km deep · 79 km away
12. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 9, 5:10 PM HADT · 1871 days ago · 26 km deep · 79 km away
13. 1.774 km SSE of Adak, AlaskaMon, Aug 9, 7:04 PM HADT · 1871 days ago · 25 km deep · 26 km away
14. 3.054 km SE of Adak, AlaskaTue, Aug 10, 3:04 AM HADT · 1871 days ago · 35 km deep · 16 km away
15. 2.744 km SSE of Adak, AlaskaTue, Aug 10, 5:59 AM HADT · 1871 days ago · 35 km deep · 30 km away
16. 1.685 km SW of Atka, AlaskaTue, Aug 10, 1:23 PM HADT · 1870 days ago · 25 km deep · 66 km away
17. 3.160 km SSW of Atka, AlaskaTue, Aug 10, 2:40 PM HADT · 1870 days ago · 224 km deep · 98 km away
18. 1.549 km S of Adak, AlaskaTue, Aug 10, 5:11 PM HADT · 1870 days ago · 48 km deep · 57 km away
19. 1.535 km W of Adak, AlaskaWed, Aug 11, 4:17 AM HADT · 1870 days ago · 93 km deep · 98 km away
20. 3.764 km SE of Adak, AlaskaWed, Aug 11, 8:02 AM HADT · 1870 days ago · 35 km deep · 6 km away
21. 3.671 km SSW of Adak, AlaskaWed, Aug 11, 8:25 PM HADT · 1869 days ago · 35 km deep · 84 km away
22. 1.6116 km SSW of Atka, AlaskaThu, Aug 12, 5:01 AM HADT · 1869 days ago · 19 km deep · 83 km away
23. 1.741 km ENE of Adak, AlaskaThu, Aug 12, 10:06 AM HADT · 1869 days ago · 6 km deep · 71 km away
24. 1.574 km E of Adak, AlaskaThu, Aug 12, 12:57 PM HADT · 1868 days ago · 22 km deep · 48 km away
25. 1.644 km SW of Adak, AlaskaFri, Aug 13, 5:03 AM HADT · 1868 days ago · 28 km deep · 77 km away
26. 3.142 km S of Adak, AlaskaFri, Aug 13, 8:38 AM HADT · 1868 days ago · 69 km deep · 42 km away
27. 2.9Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 13, 2:37 PM HADT · 1867 days ago · 33 km deep · 28 km away
28. 1.620 km SE of Adak, AlaskaFri, Aug 13, 3:40 PM HADT · 1867 days ago · 71 km deep · 48 km away
29. 1.539 km SSW of Adak, AlaskaFri, Aug 13, 4:55 PM HADT · 1867 days ago · 12 km deep · 72 km away
30. 1.560 km SE of Adak, AlaskaFri, Aug 13, 5:37 PM HADT · 1867 days ago · 22 km deep · 11 km away
31. 1.667 km SSW of Adak, AlaskaSat, Aug 14, 8:38 AM HADT · 1867 days ago · 27 km deep · 78 km away
32. 2.6101 km SSW of Adak, AlaskaSun, Aug 15, 6:31 PM HADT · 1865 days ago · 24 km deep · 99 km away
33. 3.183 km E of Adak, AlaskaSun, Aug 15, 11:11 PM HADT · 1865 days ago · 73 km deep · 54 km away
34. 1.648 km SW of Adak, AlaskaMon, Aug 16, 1:41 PM HADT · 1864 days ago · 42 km deep · 78 km away
35. 2.760 km SW of Adak, AlaskaMon, Aug 16, 8:48 PM HADT · 1864 days ago · 69 km deep · 95 km away
36. 1.514 km SSE of Adak, AlaskaWed, Aug 18, 2:44 AM HADT · 1863 days ago · 80 km deep · 55 km away
37. 1.573 km WSW of Atka, AlaskaWed, Aug 18, 12:02 PM HADT · 1862 days ago · 64 km deep · 76 km away
38. 1.572 km SSE of Adak, AlaskaWed, Aug 18, 10:51 PM HADT · 1862 days ago · 21 km deep · 32 km away
39. 2.053 km ENE of Adak, AlaskaThu, Aug 19, 3:58 AM HADT · 1862 days ago · 146 km deep · 70 km away
40. 3.464 km SE of Adak, AlaskaThu, Aug 19, 2:20 PM HADT · 1861 days ago · 35 km deep · 5 km away
41. 1.668 km SW of Adak, AlaskaSat, Aug 21, 2:56 AM HADT · 1860 days ago · 51 km deep · 99 km away
42. 1.610 km SW of Adak, AlaskaSat, Aug 21, 11:52 AM HADT · 1859 days ago · 81 km deep · 69 km away
43. 3.064 km SSW of Adak, AlaskaSat, Aug 21, 3:02 PM HADT · 1859 days ago · 35 km deep · 74 km away
44. 3.2Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 21, 4:15 PM HADT · 1859 days ago · 35 km deep · 84 km away
45. 2.687 km S of Adak, AlaskaSat, Aug 21, 5:28 PM HADT · 1859 days ago · 35 km deep · 75 km away
46. 1.915 km NE of Adak, AlaskaSun, Aug 22, 3:16 AM HADT · 1859 days ago · 151 km deep · 72 km away
47. 1.664 km ENE of Adak, AlaskaSun, Aug 22, 3:51 AM HADT · 1859 days ago · 12 km deep · 74 km away
48. 3.067 km E of Adak, AlaskaSun, Aug 22, 9:54 PM HADT · 1858 days ago · 71 km deep · 50 km away
49. 1.980 km SE of Adak, AlaskaSun, Aug 22, 10:10 PM HADT · 1858 days ago · 26 km deep · 15 km away
50. 1.657 km ENE of Adak, AlaskaMon, Aug 23, 12:08 PM HADT · 1857 days ago · 175 km deep · 77 km away
51. 1.645 km E of Adak, AlaskaMon, Aug 23, 6:19 PM HADT · 1857 days ago · 68 km deep · 43 km away
52. 2.938 km SSW of Adak, AlaskaTue, Aug 24, 1:17 AM HADT · 1857 days ago · 39 km deep · 67 km away
53. 1.696 km ESE of Adak, AlaskaTue, Aug 24, 10:56 PM HADT · 1856 days ago · 26 km deep · 51 km away
54. 2.020 km WSW of Adak, AlaskaWed, Aug 25, 12:04 AM HADT · 1856 days ago · 77 km deep · 81 km away
55. 1.871 km E of Adak, AlaskaWed, Aug 25, 10:38 AM HADT · 1856 days ago · 149 km deep · 55 km away
56. 1.675 km SE of Adak, AlaskaWed, Aug 25, 11:19 AM HADT · 1855 days ago · 18 km deep · 10 km away
57. 3.668 km ESE of Adak, AlaskaWed, Aug 25, 5:07 PM HADT · 1855 days ago · 35 km deep · 18 km away
58. 1.829 km SSE of Adak, AlaskaWed, Aug 25, 8:39 PM HADT · 1855 days ago · 45 km deep · 42 km away
59. 1.662 km SE of Adak, AlaskaThu, Aug 26, 3:12 AM HADT · 1855 days ago · 26 km deep · 11 km away
60. 1.6Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 26, 4:49 AM HADT · 1855 days ago · 15 km deep · 57 km away

The first 60 of 145.

Before

1. 1.565 km SSE of Adak, AlaskaThu, Aug 5, 5:25 AM HADT · 1876 days ago · 20 km deep · 18 km away
2. 3.672 km SE of Adak, AlaskaThu, Aug 5, 4:42 AM HADT · 1876 days ago · 30 km deep · 4 km away
3. 1.765 km SE of Adak, AlaskaWed, Aug 4, 4:23 PM HADT · 1876 days ago · 24 km deep · 5 km away
4. 1.559 km SE of Adak, AlaskaTue, Aug 3, 6:20 PM HADT · 1877 days ago · 23 km deep · 12 km away
5. 1.520 km SSW of Adak, AlaskaTue, Aug 3, 2:43 PM HADT · 1877 days ago · 74 km deep · 65 km away
6. 1.546 km WSW of Adak, AlaskaMon, Aug 2, 11:43 PM HADT · 1878 days ago · 75 km deep · 96 km away
7. 1.560 km SSW of Adak, AlaskaMon, Aug 2, 11:41 AM HADT · 1878 days ago · 36 km deep · 78 km away
8. 3.244 km SSE of Adak, AlaskaMon, Aug 2, 12:36 AM HADT · 1879 days ago · 44 km deep · 34 km away
9. 3.517 km SE of Adak, AlaskaSun, Aug 1, 11:48 PM HADT · 1879 days ago · 69 km deep · 52 km away
10. 1.658 km SE of Adak, AlaskaSun, Aug 1, 7:39 AM HADT · 1880 days ago · 26 km deep · 12 km away
11. 1.749 km S of Adak, AlaskaSun, Aug 1, 7:13 AM HADT · 1880 days ago · 30 km deep · 43 km away
12. 1.578 km SSE of Adak, AlaskaSun, Aug 1, 4:50 AM HADT · 1880 days ago · 19 km deep · 34 km away
13. 1.897 km S of Adak, AlaskaSat, Jul 31, 10:15 PM HADT · 1880 days ago · 26 km deep · 75 km away
14. 1.638 km SW of Adak, AlaskaSat, Jul 31, 5:16 PM HADT · 1880 days ago · 27 km deep · 78 km away
15. 3.054 km ESE of Adak, AlaskaSat, Jul 31, 8:24 AM HADT · 1881 days ago · 42 km deep · 25 km away
16. 1.666 km SE of Adak, AlaskaFri, Jul 30, 5:02 PM HADT · 1881 days ago · 26 km deep · 4 km away
17. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Jul 30, 10:53 AM HADT · 1882 days ago · 29 km deep · 12 km away
18. 1.568 km SSW of Adak, AlaskaFri, Jul 30, 9:05 AM HADT · 1882 days ago · 42 km deep · 83 km away
19. 2.896 km SW of Atka, AlaskaFri, Jul 30, 5:38 AM HADT · 1882 days ago · 35 km deep · 55 km away
20. 1.685 km WSW of Atka, AlaskaFri, Jul 30, 5:25 AM HADT · 1882 days ago · 78 km deep · 71 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021a0u5lfm. Read Thu, Sep 24, 2026, 7:40 AM UTC.