M2.1 earthquake 53 km SE of Atka, Alaska

Magnitude

2.1 (ml), micro

Local time

Thu, Jul 22, 2021, 5:53 PM HADT

UTC

2021-07-23 02:53:23 UTC

Depth

17.3 km (10.7 mi), shallow

Epicenter

51.803° N, 173.763° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

22

After

1. 2.675 km S of Atka, AlaskaThu, Jul 22, 6:54 PM HADT · 1889 days ago · 22 km deep · 48 km away
2. 2.134 km ENE of Atka, AlaskaThu, Jul 22, 10:29 PM HADT · 1889 days ago · 150 km deep · 59 km away
3. 2.737 km N of Atka, AlaskaFri, Jul 23, 12:34 AM HADT · 1889 days ago · 202 km deep · 89 km away
4. 2.0109 km ESE of Atka, AlaskaSat, Jul 24, 12:42 AM HADT · 1888 days ago · 26 km deep · 70 km away
5. 3.899 km SSE of Atka, AlaskaSat, Jul 24, 6:15 AM HADT · 1888 days ago · 61 km deep · 48 km away
6. 2.190 km SW of Atka, AlaskaSat, Jul 24, 12:02 PM HADT · 1888 days ago · 42 km deep · 100 km away
7. 1.568 km SW of Atka, AlaskaSat, Jul 24, 1:32 PM HADT · 1888 days ago · 28 km deep · 75 km away
8. 2.168 km SE of Atka, AlaskaSat, Jul 24, 9:20 PM HADT · 1887 days ago · 32 km deep · 24 km away
9. 2.4144 km S of Atka, AlaskaSat, Jul 24, 10:34 PM HADT · 1887 days ago · 21 km deep · 99 km away
10. 2.920 km WNW of Atka, AlaskaSun, Jul 25, 9:12 AM HADT · 1887 days ago · 201 km deep · 71 km away
11. 2.3103 km ENE of Atka, AlaskaMon, Jul 26, 12:43 PM HADT · 1886 days ago · 135 km deep · 98 km away
12. 2.671 km SE of Atka, AlaskaMon, Jul 26, 8:15 PM HADT · 1885 days ago · 35 km deep · 21 km away
13. 2.8109 km SE of Atka, AlaskaMon, Jul 26, 9:39 PM HADT · 1885 days ago · 10 km deep · 57 km away
14. 2.129 km NNW of Atka, AlaskaTue, Jul 27, 3:27 AM HADT · 1885 days ago · 185 km deep · 82 km away
15. 2.940 km ESE of Atka, AlaskaTue, Jul 27, 11:26 AM HADT · 1885 days ago · 5 km deep · 28 km away
16. 1.912 km S of Atka, AlaskaSat, Jul 31, 3:14 PM HADT · 1881 days ago · 24 km deep · 43 km away
17. 2.741 km SSW of Atka, AlaskaSun, Aug 1, 5:11 PM HADT · 1879 days ago · 210 km deep · 51 km away
18. 1.911 km S of Atka, AlaskaSun, Aug 1, 10:53 PM HADT · 1879 days ago · 74 km deep · 46 km away
19. 3.110 km NW of Atka, AlaskaTue, Aug 3, 5:56 AM HADT · 1878 days ago · 210 km deep · 63 km away
20. 3.2132 km SE of Atka, AlaskaTue, Aug 3, 12:28 PM HADT · 1878 days ago · 10 km deep · 79 km away
21. 2.782 km SE of Atka, AlaskaTue, Aug 3, 12:44 PM HADT · 1878 days ago · 21 km deep · 38 km away
22. 3.150 km S of Atka, AlaskaWed, Aug 4, 7:32 AM HADT · 1877 days ago · 10 km deep · 31 km away
23. 1.727 km E of Atka, AlaskaWed, Aug 4, 10:47 AM HADT · 1877 days ago · 5 km deep · 43 km away
24. 2.2150 km SSE of Atka, AlaskaThu, Aug 5, 4:12 AM HADT · 1876 days ago · 15 km deep · 99 km away
25. 2.766 km S of Atka, AlaskaFri, Aug 6, 11:17 AM HADT · 1875 days ago · 35 km deep · 36 km away
26. 1.867 km WSW of Atka, AlaskaSat, Aug 7, 10:40 AM HADT · 1874 days ago · 69 km deep · 90 km away
27. 3.6112 km SSW of Atka, AlaskaSat, Aug 7, 11:17 PM HADT · 1873 days ago · 11 km deep · 93 km away
28. 2.6112 km SSW of Atka, AlaskaSun, Aug 8, 1:09 AM HADT · 1873 days ago · 11 km deep · 95 km away
29. 3.9111 km SSW of Atka, AlaskaSun, Aug 8, 6:55 AM HADT · 1873 days ago · 27 km deep · 94 km away
30. 2.0112 km SSW of Atka, AlaskaSun, Aug 8, 7:06 AM HADT · 1873 days ago · 12 km deep · 94 km away
31. 1.930 km SSW of Atka, AlaskaSun, Aug 8, 12:47 PM HADT · 1873 days ago · 65 km deep · 50 km away
32. 2.122 km SSW of Atka, AlaskaMon, Aug 9, 10:37 PM HADT · 1871 days ago · 152 km deep · 48 km away
33. 3.3Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 10, 7:02 AM HADT · 1871 days ago · 35 km deep · 43 km away
34. 1.685 km SW of Atka, AlaskaTue, Aug 10, 1:23 PM HADT · 1871 days ago · 25 km deep · 90 km away
35. 3.160 km SSW of Atka, AlaskaTue, Aug 10, 2:40 PM HADT · 1871 days ago · 224 km deep · 58 km away
36. 2.068 km SE of Atka, AlaskaTue, Aug 10, 3:11 PM HADT · 1871 days ago · 23 km deep · 15 km away
37. 1.813 km N of Atka, AlaskaTue, Aug 10, 4:33 PM HADT · 1870 days ago · 4 km deep · 65 km away
38. 1.815 km N of Atka, AlaskaTue, Aug 10, 4:52 PM HADT · 1870 days ago · 3 km deep · 65 km away
39. 2.114 km N of Atka, AlaskaTue, Aug 10, 5:27 PM HADT · 1870 days ago · 5 km deep · 65 km away
40. 2.014 km N of Atka, AlaskaTue, Aug 10, 6:11 PM HADT · 1870 days ago · 5 km deep · 65 km away
41. 1.513 km N of Atka, AlaskaTue, Aug 10, 8:18 PM HADT · 1870 days ago · 5 km deep · 64 km away
42. 2.114 km N of Atka, AlaskaWed, Aug 11, 12:50 AM HADT · 1870 days ago · 4 km deep · 66 km away
43. 2.315 km N of Atka, AlaskaWed, Aug 11, 12:56 AM HADT · 1870 days ago · 4 km deep · 65 km away
44. 1.613 km N of Atka, AlaskaWed, Aug 11, 8:32 AM HADT · 1870 days ago · 5 km deep · 65 km away
45. 2.015 km N of Atka, AlaskaWed, Aug 11, 10:31 AM HADT · 1870 days ago · 4 km deep · 66 km away
46. 2.890 km SE of Atka, AlaskaWed, Aug 11, 2:13 PM HADT · 1870 days ago · 35 km deep · 44 km away
47. 1.6116 km SSW of Atka, AlaskaThu, Aug 12, 5:01 AM HADT · 1869 days ago · 19 km deep · 97 km away
48. 3.028 km WSW of Atka, AlaskaThu, Aug 12, 6:45 AM HADT · 1869 days ago · 71 km deep · 67 km away
49. 2.746 km S of Atka, AlaskaThu, Aug 12, 12:40 PM HADT · 1869 days ago · 35 km deep · 21 km away
50. 1.653 km SSW of Atka, AlaskaThu, Aug 12, 9:20 PM HADT · 1868 days ago · 15 km deep · 47 km away
51. 3.3110 km ESE of Atka, AlaskaFri, Aug 13, 6:15 AM HADT · 1868 days ago · 208 km deep · 78 km away
52. 3.948 km E of Atka, AlaskaFri, Aug 13, 8:32 AM HADT · 1868 days ago · 105 km deep · 43 km away
53. 2.753 km E of Atka, AlaskaFri, Aug 13, 1:24 PM HADT · 1868 days ago · 10 km deep · 55 km away
54. 1.966 km E of Atka, AlaskaSat, Aug 14, 2:39 PM HADT · 1867 days ago · 129 km deep · 66 km away
55. 3.038 km SSE of Atka, AlaskaTue, Aug 17, 3:57 AM HADT · 1864 days ago · 67 km deep · 14 km away
56. 2.678 km ESE of Atka, AlaskaTue, Aug 17, 10:27 AM HADT · 1864 days ago · 44 km deep · 44 km away
57. 1.573 km WSW of Atka, AlaskaWed, Aug 18, 12:02 PM HADT · 1863 days ago · 64 km deep · 98 km away
58. 2.2103 km S of Atka, AlaskaWed, Aug 18, 8:28 PM HADT · 1862 days ago · 29 km deep · 64 km away
59. 3.227 km E of Atka, AlaskaThu, Aug 19, 1:16 PM HADT · 1862 days ago · 19 km deep · 48 km away
60. 2.829 km NNE of Atka, AlaskaThu, Aug 19, 2:51 PM HADT · 1862 days ago · 217 km deep · 74 km away

The first 60 of 119.

Before

1. 1.918 km WSW of Atka, AlaskaThu, Jul 22, 1:05 PM HADT · 1890 days ago · 147 km deep · 59 km away
2. 1.775 km SW of Atka, AlaskaThu, Jul 22, 9:18 AM HADT · 1890 days ago · 35 km deep · 82 km away
3. 1.697 km SSW of Atka, AlaskaThu, Jul 22, 12:31 AM HADT · 1890 days ago · 26 km deep · 91 km away
4. 2.397 km SE of Atka, AlaskaWed, Jul 21, 9:18 PM HADT · 1890 days ago · 24 km deep · 44 km away
5. 2.6109 km SE of Atka, AlaskaWed, Jul 21, 9:12 PM HADT · 1890 days ago · 25 km deep · 57 km away
6. 2.095 km SSW of Atka, AlaskaWed, Jul 21, 8:52 PM HADT · 1890 days ago · 16 km deep · 87 km away
7. 2.092 km S of Atka, AlaskaWed, Jul 21, 12:44 PM HADT · 1891 days ago · 19 km deep · 53 km away
8. 2.317 km NNE of Atka, AlaskaWed, Jul 21, 7:12 AM HADT · 1891 days ago · 197 km deep · 62 km away
9. 1.983 km SW of Atka, AlaskaTue, Jul 20, 7:53 PM HADT · 1891 days ago · 26 km deep · 90 km away
10. 3.275 km E of Atka, AlaskaTue, Jul 20, 12:05 PM HADT · 1892 days ago · 117 km deep · 53 km away
11. 1.818 km W of Atka, AlaskaMon, Jul 19, 11:49 PM HADT · 1892 days ago · 73 km deep · 63 km away
12. 2.06 km SSE of Atka, AlaskaMon, Jul 19, 5:54 PM HADT · 1892 days ago · 79 km deep · 46 km away
13. 2.372 km ESE of Atka, AlaskaMon, Jul 19, 7:53 AM HADT · 1893 days ago · 37 km deep · 35 km away
14. 3.982 km SW of Atka, AlaskaSun, Jul 18, 11:30 AM HADT · 1894 days ago · 49 km deep · 98 km away
15. 2.6113 km ESE of Atka, AlaskaSun, Jul 18, 1:27 AM HADT · 1894 days ago · 66 km deep · 80 km away
16. 2.663 km ESE of Atka, AlaskaSun, Jul 18, 12:16 AM HADT · 1894 days ago · 50 km deep · 31 km away
17. 2.432 km E of Atka, AlaskaSat, Jul 17, 7:16 PM HADT · 1894 days ago · 7 km deep · 40 km away
18. 2.636 km NW of Atka, AlaskaSat, Jul 17, 3:16 PM HADT · 1895 days ago · 176 km deep · 88 km away
19. 2.336 km E of Atka, AlaskaFri, Jul 16, 6:47 PM HADT · 1895 days ago · 11 km deep · 44 km away
20. 1.858 km WSW of Atka, AlaskaFri, Jul 16, 6:55 AM HADT · 1896 days ago · 73 km deep · 90 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0219df52p6. Read Thu, Sep 24, 2026, 12:48 PM UTC.