M1.8 earthquake 63 km W of Atka, Alaska

Magnitude

1.8 (ml), micro

Local time

Thu, Aug 19, 2021, 10:05 AM HADT

UTC

2021-08-19 19:05:48 UTC

Depth

170.1 km (105.7 mi), intermediate-depth

Epicenter

52.220° N, 175.127° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

22

After

1. 3.227 km E of Atka, AlaskaThu, Aug 19, 1:16 PM HADT · 1865 days ago · 19 km deep · 90 km away
2. 2.829 km NNE of Atka, AlaskaThu, Aug 19, 2:51 PM HADT · 1865 days ago · 217 km deep · 76 km away
3. 1.833 km E of Atka, AlaskaFri, Aug 20, 7:54 PM HADT · 1864 days ago · 13 km deep · 96 km away
4. 1.742 km SW of Atka, AlaskaSat, Aug 21, 3:05 AM HADT · 1863 days ago · 53 km deep · 49 km away
5. 2.853 km SSE of Atka, AlaskaSat, Aug 21, 4:18 AM HADT · 1863 days ago · 35 km deep · 100 km away
6. 3.349 km N of Atka, AlaskaSat, Aug 21, 12:45 PM HADT · 1863 days ago · 247 km deep · 83 km away
7. 3.2Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 21, 4:15 PM HADT · 1863 days ago · 35 km deep · 74 km away
8. 1.921 km SW of Atka, AlaskaSun, Aug 22, 12:28 AM HADT · 1863 days ago · 9 km deep · 51 km away
9. 1.915 km NE of Adak, AlaskaSun, Aug 22, 3:16 AM HADT · 1862 days ago · 151 km deep · 96 km away
10. 1.664 km ENE of Adak, AlaskaSun, Aug 22, 3:51 AM HADT · 1862 days ago · 12 km deep · 46 km away
11. 2.318 km N of Atka, AlaskaSun, Aug 22, 4:59 AM HADT · 1862 days ago · 146 km deep · 67 km away
12. 3.067 km E of Adak, AlaskaSun, Aug 22, 9:54 PM HADT · 1862 days ago · 71 km deep · 56 km away
13. 1.980 km SE of Adak, AlaskaSun, Aug 22, 10:10 PM HADT · 1862 days ago · 26 km deep · 97 km away
14. 1.934 km SSW of Atka, AlaskaSun, Aug 22, 10:38 PM HADT · 1862 days ago · 71 km deep · 55 km away
15. 1.657 km ENE of Adak, AlaskaMon, Aug 23, 12:08 PM HADT · 1861 days ago · 175 km deep · 54 km away
16. 1.529 km ESE of Atka, AlaskaMon, Aug 23, 3:36 PM HADT · 1861 days ago · 36 km deep · 92 km away
17. 1.74 km NNE of Atka, AlaskaMon, Aug 23, 3:50 PM HADT · 1861 days ago · 129 km deep · 66 km away
18. 1.645 km E of Adak, AlaskaMon, Aug 23, 6:19 PM HADT · 1861 days ago · 68 km deep · 74 km away
19. 1.696 km ESE of Adak, AlaskaTue, Aug 24, 10:56 PM HADT · 1860 days ago · 26 km deep · 66 km away
20. 2.8Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 25, 12:10 AM HADT · 1860 days ago · 219 km deep · 28 km away
21. 1.871 km E of Adak, AlaskaWed, Aug 25, 10:38 AM HADT · 1859 days ago · 149 km deep · 50 km away
22. 1.675 km SE of Adak, AlaskaWed, Aug 25, 11:19 AM HADT · 1859 days ago · 18 km deep · 98 km away
23. 3.668 km ESE of Adak, AlaskaWed, Aug 25, 5:07 PM HADT · 1859 days ago · 35 km deep · 86 km away
24. 1.773 km WSW of Atka, AlaskaThu, Aug 26, 10:45 AM HADT · 1858 days ago · 73 km deep · 26 km away
25. 1.796 km ESE of Adak, AlaskaThu, Aug 26, 3:50 PM HADT · 1858 days ago · 29 km deep · 68 km away
26. 1.942 km NE of Adak, AlaskaSat, Aug 28, 1:34 PM HADT · 1856 days ago · 189 km deep · 72 km away
27. 1.689 km SE of Adak, AlaskaSat, Aug 28, 2:52 PM HADT · 1856 days ago · 26 km deep · 97 km away
28. 1.578 km W of Atka, AlaskaSat, Aug 28, 7:16 PM HADT · 1856 days ago · 110 km deep · 20 km away
29. 1.772 km WSW of Atka, AlaskaSun, Aug 29, 11:45 AM HADT · 1855 days ago · 122 km deep · 20 km away
30. 1.658 km SE of Adak, AlaskaSun, Aug 29, 1:04 PM HADT · 1855 days ago · 33 km deep · 98 km away
31. 1.748 km E of Adak, AlaskaMon, Aug 30, 8:38 AM HADT · 1854 days ago · 149 km deep · 70 km away
32. 4.3116 km NW of Atka, AlaskaMon, Aug 30, 5:17 PM HADT · 1854 days ago · 255 km deep · 76 km away
33. 3.684 km E of Adak, AlaskaMon, Aug 30, 9:28 PM HADT · 1854 days ago · 64 km deep · 49 km away
34. 1.676 km ESE of Adak, AlaskaTue, Aug 31, 12:26 AM HADT · 1854 days ago · 19 km deep · 61 km away
35. 1.836 km NE of Atka, AlaskaTue, Aug 31, 6:11 AM HADT · 1853 days ago · 119 km deep · 90 km away
36. 3.246 km ENE of Adak, AlaskaWed, Sep 1, 12:46 PM HADT · 1852 days ago · 137 km deep · 64 km away
37. 2.958 km E of Adak, AlaskaWed, Sep 1, 7:01 PM HADT · 1852 days ago · 156 km deep · 53 km away
38. 1.652 km ENE of Adak, AlaskaWed, Sep 1, 10:54 PM HADT · 1852 days ago · 148 km deep · 58 km away
39. 1.558 km SE of Adak, AlaskaThu, Sep 2, 5:10 PM HADT · 1851 days ago · 48 km deep · 100 km away
40. 2.936 km ENE of Atka, AlaskaThu, Sep 2, 11:31 PM HADT · 1851 days ago · 179 km deep · 96 km away
41. 2.018 km W of Atka, AlaskaFri, Sep 3, 1:37 AM HADT · 1850 days ago · 170 km deep · 45 km away
42. 1.560 km SE of Adak, AlaskaFri, Sep 3, 7:04 PM HADT · 1850 days ago · 27 km deep · 98 km away
43. 2.588 km ESE of Adak, AlaskaSat, Sep 4, 10:10 AM HADT · 1849 days ago · 58 km deep · 59 km away
44. 2.811 km NNE of Atka, AlaskaSat, Sep 4, 8:03 PM HADT · 1849 days ago · 10 km deep · 69 km away
45. 1.933 km ESE of Adak, AlaskaSat, Sep 4, 8:52 PM HADT · 1849 days ago · 61 km deep · 92 km away
46. 1.951 km ENE of Adak, AlaskaSun, Sep 5, 2:05 AM HADT · 1848 days ago · 163 km deep · 59 km away
47. 2.866 km S of Atka, AlaskaSun, Sep 5, 8:48 AM HADT · 1848 days ago · 35 km deep · 87 km away
48. 1.674 km ENE of Adak, AlaskaSun, Sep 5, 9:37 PM HADT · 1848 days ago · 149 km deep · 36 km away
49. 1.561 km W of Atka, AlaskaMon, Sep 6, 7:27 AM HADT · 1847 days ago · 13 km deep · 11 km away
50. 3.367 km ESE of Adak, AlaskaMon, Sep 6, 12:23 PM HADT · 1847 days ago · 39 km deep · 88 km away
51. 1.774 km ENE of Adak, AlaskaMon, Sep 6, 4:41 PM HADT · 1847 days ago · 137 km deep · 36 km away
52. 1.960 km ENE of Adak, AlaskaMon, Sep 6, 5:02 PM HADT · 1847 days ago · 150 km deep · 50 km away
53. 2.114 km NW of Atka, AlaskaTue, Sep 7, 10:16 AM HADT · 1846 days ago · 155 km deep · 53 km away
54. 1.935 km NE of Atka, AlaskaTue, Sep 7, 3:14 PM HADT · 1846 days ago · 145 km deep · 92 km away
55. 2.278 km ENE of Adak, AlaskaWed, Sep 8, 2:59 AM HADT · 1845 days ago · 236 km deep · 31 km away
56. 1.739 km NE of Adak, AlaskaWed, Sep 8, 3:11 AM HADT · 1845 days ago · 132 km deep · 75 km away
57. 1.972 km SSW of Atka, AlaskaWed, Sep 8, 7:43 PM HADT · 1845 days ago · 22 km deep · 73 km away
58. 1.651 km E of Adak, AlaskaWed, Sep 8, 9:32 PM HADT · 1845 days ago · 93 km deep · 61 km away
59. 3.689 km SW of Atka, AlaskaThu, Sep 9, 2:44 PM HADT · 1844 days ago · 35 km deep · 71 km away
60. 3.7101 km ESE of Adak, AlaskaFri, Sep 10, 5:00 AM HADT · 1843 days ago · 35 km deep · 89 km away

The first 60 of 103.

Before

1. 2.053 km ENE of Adak, AlaskaThu, Aug 19, 3:58 AM HADT · 1865 days ago · 146 km deep · 57 km away
2. 1.573 km WSW of Atka, AlaskaWed, Aug 18, 12:02 PM HADT · 1866 days ago · 64 km deep · 33 km away
3. 3.038 km SSE of Atka, AlaskaTue, Aug 17, 3:57 AM HADT · 1867 days ago · 67 km deep · 92 km away
4. 3.183 km E of Adak, AlaskaSun, Aug 15, 11:11 PM HADT · 1869 days ago · 73 km deep · 52 km away
5. 1.653 km SSW of Atka, AlaskaThu, Aug 12, 9:20 PM HADT · 1872 days ago · 15 km deep · 72 km away
6. 1.574 km E of Adak, AlaskaThu, Aug 12, 12:57 PM HADT · 1872 days ago · 22 km deep · 56 km away
7. 2.746 km S of Atka, AlaskaThu, Aug 12, 12:40 PM HADT · 1872 days ago · 35 km deep · 87 km away
8. 1.741 km ENE of Adak, AlaskaThu, Aug 12, 10:06 AM HADT · 1872 days ago · 6 km deep · 69 km away
9. 3.028 km WSW of Atka, AlaskaThu, Aug 12, 6:45 AM HADT · 1872 days ago · 71 km deep · 38 km away
10. 2.015 km N of Atka, AlaskaWed, Aug 11, 10:31 AM HADT · 1873 days ago · 4 km deep · 66 km away
11. 1.613 km N of Atka, AlaskaWed, Aug 11, 8:32 AM HADT · 1873 days ago · 5 km deep · 64 km away
12. 2.315 km N of Atka, AlaskaWed, Aug 11, 12:56 AM HADT · 1874 days ago · 4 km deep · 65 km away
13. 2.114 km N of Atka, AlaskaWed, Aug 11, 12:50 AM HADT · 1874 days ago · 4 km deep · 65 km away
14. 1.513 km N of Atka, AlaskaTue, Aug 10, 8:18 PM HADT · 1874 days ago · 5 km deep · 63 km away
15. 2.014 km N of Atka, AlaskaTue, Aug 10, 6:11 PM HADT · 1874 days ago · 5 km deep · 65 km away
16. 2.114 km N of Atka, AlaskaTue, Aug 10, 5:27 PM HADT · 1874 days ago · 5 km deep · 65 km away
17. 1.815 km N of Atka, AlaskaTue, Aug 10, 4:52 PM HADT · 1874 days ago · 3 km deep · 66 km away
18. 1.813 km N of Atka, AlaskaTue, Aug 10, 4:33 PM HADT · 1874 days ago · 4 km deep · 63 km away
19. 3.160 km SSW of Atka, AlaskaTue, Aug 10, 2:40 PM HADT · 1874 days ago · 224 km deep · 67 km away
20. 1.685 km SW of Atka, AlaskaTue, Aug 10, 1:23 PM HADT · 1874 days ago · 25 km deep · 66 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021amchkw1. Read Sun, Sep 27, 2026, 10:04 PM UTC.