M1.7 earthquake 53 km SSE of Atka, Alaska

Magnitude

1.7 (ml), micro

Local time

Thu, Sep 2, 2021, 11:20 PM HADT

UTC

2021-09-03 08:20:47 UTC

Depth

35.4 km (22.0 mi), shallow

Epicenter

51.772° N, 173.821° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

19

After

1. 2.936 km ENE of Atka, AlaskaThu, Sep 2, 11:31 PM HADT · 1847 days ago · 179 km deep · 65 km away
2. 2.018 km W of Atka, AlaskaFri, Sep 3, 1:37 AM HADT · 1847 days ago · 170 km deep · 64 km away
3. 2.7107 km ESE of Atka, AlaskaFri, Sep 3, 12:44 PM HADT · 1847 days ago · 35 km deep · 77 km away
4. 2.5109 km ESE of Atka, AlaskaFri, Sep 3, 12:51 PM HADT · 1847 days ago · 33 km deep · 77 km away
5. 3.1113 km SE of Atka, AlaskaFri, Sep 3, 2:56 PM HADT · 1847 days ago · 35 km deep · 66 km away
6. 2.811 km NNE of Atka, AlaskaSat, Sep 4, 8:03 PM HADT · 1845 days ago · 10 km deep · 60 km away
7. 2.866 km S of Atka, AlaskaSun, Sep 5, 8:48 AM HADT · 1845 days ago · 35 km deep · 40 km away
8. 1.561 km W of Atka, AlaskaMon, Sep 6, 7:27 AM HADT · 1844 days ago · 13 km deep · 96 km away
9. 2.5112 km ESE of Atka, AlaskaTue, Sep 7, 4:12 AM HADT · 1843 days ago · 35 km deep · 82 km away
10. 2.114 km NW of Atka, AlaskaTue, Sep 7, 10:16 AM HADT · 1843 days ago · 155 km deep · 68 km away
11. 1.935 km NE of Atka, AlaskaTue, Sep 7, 3:14 PM HADT · 1843 days ago · 145 km deep · 70 km away
12. 2.893 km SSE of Atka, AlaskaTue, Sep 7, 5:09 PM HADT · 1842 days ago · 35 km deep · 43 km away
13. 1.554 km ENE of Atka, AlaskaTue, Sep 7, 7:29 PM HADT · 1842 days ago · 4 km deep · 78 km away
14. 1.7109 km S of Atka, AlaskaWed, Sep 8, 3:09 AM HADT · 1842 days ago · 24 km deep · 67 km away
15. 1.972 km SSW of Atka, AlaskaWed, Sep 8, 7:43 PM HADT · 1841 days ago · 22 km deep · 62 km away
16. 3.689 km SW of Atka, AlaskaThu, Sep 9, 2:44 PM HADT · 1841 days ago · 35 km deep · 88 km away
17. 3.147 km S of Atka, AlaskaFri, Sep 10, 8:42 AM HADT · 1840 days ago · 27 km deep · 30 km away
18. 3.131 km S of Atka, AlaskaFri, Sep 10, 9:35 AM HADT · 1840 days ago · 4 km deep · 36 km away
19. 1.950 km SSW of Atka, AlaskaFri, Sep 10, 2:59 PM HADT · 1840 days ago · 61 km deep · 40 km away
20. 2.9122 km SE of Atka, AlaskaMon, Sep 13, 1:28 AM HADT · 1837 days ago · 30 km deep · 77 km away
21. 3.1110 km SE of Atka, AlaskaMon, Sep 13, 3:54 AM HADT · 1837 days ago · 35 km deep · 59 km away
22. 2.687 km S of Atka, AlaskaFri, Sep 17, 1:22 AM HADT · 1833 days ago · 35 km deep · 47 km away
23. 1.947 km SSW of Atka, AlaskaFri, Sep 17, 2:54 AM HADT · 1833 days ago · 53 km deep · 37 km away
24. 2.543 km NW of Atka, AlaskaFri, Sep 17, 10:43 AM HADT · 1833 days ago · 216 km deep · 96 km away
25. 2.7105 km SSE of Atka, AlaskaSun, Sep 19, 8:14 PM HADT · 1830 days ago · 35 km deep · 51 km away
26. 2.796 km SSE of Atka, AlaskaMon, Sep 20, 1:23 AM HADT · 1830 days ago · 35 km deep · 46 km away
27. 2.332 km ESE of Atka, AlaskaMon, Sep 20, 8:44 AM HADT · 1830 days ago · 126 km deep · 37 km away
28. 2.777 km SE of Atka, AlaskaMon, Sep 20, 10:12 AM HADT · 1830 days ago · 35 km deep · 37 km away
29. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Sep 20, 1:17 PM HADT · 1830 days ago · 36 km deep · 87 km away
30. 3.464 km SSE of Atka, AlaskaTue, Sep 21, 2:03 AM HADT · 1829 days ago · 35 km deep · 16 km away
31. 1.664 km SSW of Atka, AlaskaThu, Sep 23, 6:54 AM HADT · 1827 days ago · 21 km deep · 51 km away
32. 1.8Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 23, 1:31 PM HADT · 1827 days ago · 56 km deep · 24 km away
33. 2.951 km SSW of Atka, AlaskaSat, Sep 25, 5:26 PM HADT · 1824 days ago · 35 km deep · 45 km away
34. 2.632 km ESE of Atka, AlaskaSun, Sep 26, 4:38 AM HADT · 1824 days ago · 80 km deep · 36 km away
35. 2.191 km S of Atka, AlaskaSat, Oct 2, 8:27 AM HADT · 1818 days ago · 4 km deep · 60 km away
36. 1.993 km ESE of Atka, AlaskaSat, Oct 2, 9:11 PM HADT · 1817 days ago · 58 km deep · 54 km away
37. 2.881 km SSE of Atka, AlaskaWed, Oct 6, 4:37 AM HADT · 1814 days ago · 35 km deep · 28 km away
38. 3.633 km SSW of Atka, AlaskaWed, Oct 6, 10:09 AM HADT · 1814 days ago · 75 km deep · 36 km away
39. 3.050 km SSE of Atka, AlaskaSat, Oct 9, 1:45 PM HADT · 1811 days ago · 35 km deep · 6 km away
40. 3.863 km WSW of Atka, AlaskaSun, Oct 10, 1:59 AM HADT · 1810 days ago · 81 km deep · 82 km away
41. 2.995 km S of Atka, AlaskaSun, Oct 10, 6:13 AM HADT · 1810 days ago · 17 km deep · 60 km away
42. 3.127 km SW of Atka, AlaskaSun, Oct 10, 10:21 AM HADT · 1810 days ago · 35 km deep · 51 km away
43. 4.981 km S of Atka, AlaskaMon, Oct 11, 9:25 AM HADT · 1809 days ago · 35 km deep · 53 km away
44. 3.0108 km SE of Atka, AlaskaTue, Oct 12, 2:37 PM HADT · 1808 days ago · 31 km deep · 61 km away
45. 3.134 km WSW of Atka, AlaskaThu, Oct 14, 2:52 AM HADT · 1806 days ago · 138 km deep · 63 km away
46. 1.822 km SW of Atka, AlaskaFri, Oct 15, 6:50 AM HADT · 1805 days ago · 72 km deep · 56 km away
47. 1.889 km SW of Atka, AlaskaMon, Oct 25, 12:09 PM HADT · 1795 days ago · 26 km deep · 85 km away
48. 2.929 km SSW of Atka, AlaskaMon, Oct 25, 7:25 PM HADT · 1794 days ago · 10 km deep · 38 km away
49. 1.833 km SSW of Atka, AlaskaTue, Oct 26, 12:08 AM HADT · 1794 days ago · 71 km deep · 45 km away
50. 4.069 km SSE of Atka, AlaskaThu, Oct 28, 9:38 AM HADT · 1792 days ago · 53 km deep · 20 km away
51. 2.7138 km SE of Atka, AlaskaSat, Oct 30, 12:57 AM HADT · 1790 days ago · 10 km deep · 86 km away
52. 3.8Andreanof Islands, Aleutian Islands, AlaskaSat, Oct 30, 6:34 AM HADT · 1790 days ago · 61 km deep · 82 km away
53. 2.345 km S of Atka, AlaskaSun, Oct 31, 12:36 AM HADT · 1789 days ago · 223 km deep · 31 km away
54. 1.627 km SW of Atka, AlaskaSun, Oct 31, 3:22 AM HADT · 1789 days ago · 67 km deep · 50 km away
55. 1.627 km SW of Atka, AlaskaSun, Oct 31, 3:22 AM HADT · 1789 days ago · 67 km deep · 50 km away
56. 1.980 km SSW of Atka, AlaskaSun, Oct 31, 5:53 AM HADT · 1789 days ago · 29 km deep · 65 km away
57. 2.7108 km S of Atka, AlaskaSun, Oct 31, 5:56 AM HADT · 1789 days ago · 28 km deep · 73 km away
58. 2.790 km SSW of Atka, AlaskaSun, Oct 31, 6:04 AM HADT · 1789 days ago · 35 km deep · 68 km away

Before

1. 2.2140 km SE of Atka, AlaskaThu, Sep 2, 2:59 AM HADT · 1848 days ago · 14 km deep · 90 km away
2. 1.836 km NE of Atka, AlaskaTue, Aug 31, 6:11 AM HADT · 1850 days ago · 119 km deep · 75 km away
3. 1.647 km ESE of Atka, AlaskaMon, Aug 30, 8:38 PM HADT · 1850 days ago · 11 km deep · 37 km away
4. 1.877 km ESE of Atka, AlaskaSat, Aug 28, 9:36 AM HADT · 1853 days ago · 34 km deep · 44 km away
5. 1.661 km SSE of Atka, AlaskaSat, Aug 28, 4:49 AM HADT · 1853 days ago · 25 km deep · 11 km away
6. 2.085 km SSE of Atka, AlaskaThu, Aug 26, 8:40 PM HADT · 1854 days ago · 4 km deep · 32 km away
7. 2.983 km SE of Atka, AlaskaThu, Aug 26, 3:47 PM HADT · 1855 days ago · 35 km deep · 42 km away
8. 1.773 km WSW of Atka, AlaskaThu, Aug 26, 10:45 AM HADT · 1855 days ago · 73 km deep · 99 km away
9. 1.542 km ESE of Atka, AlaskaWed, Aug 25, 3:39 PM HADT · 1856 days ago · 14 km deep · 27 km away
10. 2.8Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 25, 12:10 AM HADT · 1856 days ago · 219 km deep · 84 km away
11. 1.74 km NNE of Atka, AlaskaMon, Aug 23, 3:50 PM HADT · 1858 days ago · 129 km deep · 56 km away
12. 1.529 km ESE of Atka, AlaskaMon, Aug 23, 3:36 PM HADT · 1858 days ago · 36 km deep · 38 km away
13. 1.690 km SSE of Atka, AlaskaMon, Aug 23, 3:23 PM HADT · 1858 days ago · 41 km deep · 39 km away
14. 1.739 km ESE of Atka, AlaskaMon, Aug 23, 6:40 AM HADT · 1858 days ago · 23 km deep · 34 km away
15. 1.934 km SSW of Atka, AlaskaSun, Aug 22, 10:38 PM HADT · 1858 days ago · 71 km deep · 48 km away
16. 2.318 km N of Atka, AlaskaSun, Aug 22, 4:59 AM HADT · 1859 days ago · 146 km deep · 70 km away
17. 1.921 km SW of Atka, AlaskaSun, Aug 22, 12:28 AM HADT · 1859 days ago · 9 km deep · 53 km away
18. 3.2Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 21, 4:15 PM HADT · 1860 days ago · 35 km deep · 67 km away
19. 3.349 km N of Atka, AlaskaSat, Aug 21, 12:45 PM HADT · 1860 days ago · 247 km deep · 99 km away
20. 2.059 km SSE of Atka, AlaskaSat, Aug 21, 8:00 AM HADT · 1860 days ago · 15 km deep · 6 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021baz38c6. Read Thu, Sep 24, 2026, 1:10 PM UTC.