M1.9 earthquake 35 km NE of Atka, Alaska

Magnitude

1.9 (ml), micro

Local time

Tue, Sep 7, 2021, 3:14 PM HADT

UTC

2021-09-08 00:14:46 UTC

Depth

144.6 km (89.9 mi), intermediate-depth

Epicenter

52.404° N, 173.815° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 1.554 km ENE of Atka, AlaskaTue, Sep 7, 7:29 PM HADT · 1847 days ago · 4 km deep · 20 km away
2. 3.147 km S of Atka, AlaskaFri, Sep 10, 8:42 AM HADT · 1844 days ago · 27 km deep · 77 km away
3. 3.131 km S of Atka, AlaskaFri, Sep 10, 9:35 AM HADT · 1844 days ago · 4 km deep · 63 km away
4. 1.950 km SSW of Atka, AlaskaFri, Sep 10, 2:59 PM HADT · 1844 days ago · 61 km deep · 83 km away
5. 1.947 km SSW of Atka, AlaskaFri, Sep 17, 2:54 AM HADT · 1837 days ago · 53 km deep · 79 km away
6. 2.543 km NW of Atka, AlaskaFri, Sep 17, 10:43 AM HADT · 1837 days ago · 216 km deep · 58 km away
7. 2.332 km ESE of Atka, AlaskaMon, Sep 20, 8:44 AM HADT · 1834 days ago · 126 km deep · 34 km away
8. 2.777 km SE of Atka, AlaskaMon, Sep 20, 10:12 AM HADT · 1834 days ago · 35 km deep · 78 km away
9. 3.464 km SSE of Atka, AlaskaTue, Sep 21, 2:03 AM HADT · 1833 days ago · 35 km deep · 85 km away
10. 1.664 km SSW of Atka, AlaskaThu, Sep 23, 6:54 AM HADT · 1831 days ago · 21 km deep · 97 km away
11. 1.8Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 23, 1:31 PM HADT · 1831 days ago · 56 km deep · 65 km away
12. 2.951 km SSW of Atka, AlaskaSat, Sep 25, 5:26 PM HADT · 1829 days ago · 35 km deep · 84 km away
13. 2.632 km ESE of Atka, AlaskaSun, Sep 26, 4:38 AM HADT · 1828 days ago · 80 km deep · 35 km away
14. 1.993 km ESE of Atka, AlaskaSat, Oct 2, 9:11 PM HADT · 1822 days ago · 58 km deep · 90 km away
15. 2.881 km SSE of Atka, AlaskaWed, Oct 6, 4:37 AM HADT · 1818 days ago · 35 km deep · 97 km away
16. 3.633 km SSW of Atka, AlaskaWed, Oct 6, 10:09 AM HADT · 1818 days ago · 75 km deep · 65 km away
17. 3.050 km SSE of Atka, AlaskaSat, Oct 9, 1:45 PM HADT · 1815 days ago · 35 km deep · 70 km away
18. 3.863 km WSW of Atka, AlaskaSun, Oct 10, 1:59 AM HADT · 1814 days ago · 81 km deep · 98 km away
19. 3.127 km SW of Atka, AlaskaSun, Oct 10, 10:21 AM HADT · 1814 days ago · 35 km deep · 63 km away
20. 3.134 km WSW of Atka, AlaskaThu, Oct 14, 2:52 AM HADT · 1810 days ago · 138 km deep · 69 km away
21. 1.959 km WNW of Atka, AlaskaFri, Oct 15, 5:05 AM HADT · 1809 days ago · 108 km deep · 79 km away
22. 1.822 km SW of Atka, AlaskaFri, Oct 15, 6:50 AM HADT · 1809 days ago · 72 km deep · 58 km away
23. 2.469 km WNW of Atka, AlaskaFri, Oct 22, 7:00 PM HADT · 1802 days ago · 120 km deep · 92 km away
24. 2.929 km SSW of Atka, AlaskaMon, Oct 25, 7:25 PM HADT · 1799 days ago · 10 km deep · 61 km away
25. 1.833 km SSW of Atka, AlaskaTue, Oct 26, 12:08 AM HADT · 1798 days ago · 71 km deep · 68 km away
26. 3.079 km NE of Atka, AlaskaWed, Oct 27, 4:53 PM HADT · 1797 days ago · 236 km deep · 46 km away
27. 4.069 km SSE of Atka, AlaskaThu, Oct 28, 9:38 AM HADT · 1796 days ago · 53 km deep · 90 km away
28. 3.8Andreanof Islands, Aleutian Islands, AlaskaSat, Oct 30, 6:34 AM HADT · 1794 days ago · 61 km deep · 90 km away
29. 2.345 km S of Atka, AlaskaSun, Oct 31, 12:36 AM HADT · 1793 days ago · 223 km deep · 75 km away
30. 1.627 km SW of Atka, AlaskaSun, Oct 31, 3:22 AM HADT · 1793 days ago · 67 km deep · 62 km away
31. 1.627 km SW of Atka, AlaskaSun, Oct 31, 3:22 AM HADT · 1793 days ago · 67 km deep · 62 km away

Before

1. 2.114 km NW of Atka, AlaskaTue, Sep 7, 10:16 AM HADT · 1847 days ago · 155 km deep · 39 km away
2. 2.5112 km ESE of Atka, AlaskaTue, Sep 7, 4:12 AM HADT · 1847 days ago · 35 km deep · 99 km away
3. 1.561 km W of Atka, AlaskaMon, Sep 6, 7:27 AM HADT · 1848 days ago · 13 km deep · 93 km away
4. 2.866 km S of Atka, AlaskaSun, Sep 5, 8:48 AM HADT · 1849 days ago · 35 km deep · 96 km away
5. 2.811 km NNE of Atka, AlaskaSat, Sep 4, 8:03 PM HADT · 1850 days ago · 10 km deep · 24 km away
6. 2.5109 km ESE of Atka, AlaskaFri, Sep 3, 12:51 PM HADT · 1851 days ago · 33 km deep · 99 km away
7. 2.7107 km ESE of Atka, AlaskaFri, Sep 3, 12:44 PM HADT · 1851 days ago · 35 km deep · 95 km away
8. 2.018 km W of Atka, AlaskaFri, Sep 3, 1:37 AM HADT · 1851 days ago · 170 km deep · 51 km away
9. 2.936 km ENE of Atka, AlaskaThu, Sep 2, 11:31 PM HADT · 1851 days ago · 179 km deep · 8 km away
10. 1.753 km SSE of Atka, AlaskaThu, Sep 2, 11:20 PM HADT · 1851 days ago · 35 km deep · 70 km away
11. 1.836 km NE of Atka, AlaskaTue, Aug 31, 6:11 AM HADT · 1854 days ago · 119 km deep · 6 km away
12. 1.647 km ESE of Atka, AlaskaMon, Aug 30, 8:38 PM HADT · 1855 days ago · 11 km deep · 43 km away
13. 1.877 km ESE of Atka, AlaskaSat, Aug 28, 9:36 AM HADT · 1857 days ago · 34 km deep · 72 km away
14. 1.661 km SSE of Atka, AlaskaSat, Aug 28, 4:49 AM HADT · 1857 days ago · 25 km deep · 80 km away
15. 2.085 km SSE of Atka, AlaskaThu, Aug 26, 8:40 PM HADT · 1859 days ago · 4 km deep · 99 km away
16. 2.983 km SE of Atka, AlaskaThu, Aug 26, 3:47 PM HADT · 1859 days ago · 35 km deep · 82 km away
17. 1.542 km ESE of Atka, AlaskaWed, Aug 25, 3:39 PM HADT · 1860 days ago · 14 km deep · 46 km away
18. 2.8Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 25, 12:10 AM HADT · 1860 days ago · 219 km deep · 64 km away
19. 1.74 km NNE of Atka, AlaskaMon, Aug 23, 3:50 PM HADT · 1862 days ago · 129 km deep · 31 km away
20. 1.529 km ESE of Atka, AlaskaMon, Aug 23, 3:36 PM HADT · 1862 days ago · 36 km deep · 32 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021bj3z7jf. Read Mon, Sep 28, 2026, 6:58 PM UTC.