M2.2 earthquake 69 km SW of Atka, Alaska

Magnitude

2.2 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Feb 21, 2016, 1:46 AM HAST

UTC

2016-02-21 11:46:02 UTC

Depth

41.5 km (25.8 mi), shallow

Epicenter

51.773° N, 174.948° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 3.961 km WNW of Atka, AlaskaSun, Feb 21, 1:42 PM HAST · 3878 days ago · 146 km deep · 72 km away
2. 1.929 km E of Atka, AlaskaMon, Feb 22, 6:39 AM HAST · 3878 days ago · 9 km deep · 92 km away
3. 2.386 km E of Adak, AlaskaTue, Feb 23, 2:38 AM HAST · 3877 days ago · 67 km deep · 30 km away
4. 2.127 km SE of Atka, AlaskaTue, Feb 23, 10:00 AM HAST · 3876 days ago · 63 km deep · 72 km away
5. 2.338 km ESE of Adak, AlaskaTue, Feb 23, 10:35 AM HAST · 3876 days ago · 73 km deep · 79 km away
6. 2.479 km SW of Atka, AlaskaThu, Feb 25, 8:30 AM HAST · 3874 days ago · 26 km deep · 19 km away
7. 2.564 km SE of Adak, AlaskaThu, Feb 25, 8:52 AM HAST · 3874 days ago · 43 km deep · 73 km away
8. 1.748 km ENE of Adak, AlaskaThu, Feb 25, 10:47 AM HAST · 3874 days ago · 14 km deep · 73 km away
9. 1.773 km SW of Atka, AlaskaThu, Feb 25, 12:31 PM HAST · 3874 days ago · 26 km deep · 3 km away
10. 3.059 km SE of Adak, AlaskaFri, Feb 26, 2:17 PM HAST · 3873 days ago · 47 km deep · 86 km away
11. 1.856 km WSW of Atka, AlaskaFri, Feb 26, 5:33 PM HAST · 3873 days ago · 73 km deep · 34 km away
12. 2.121 km WNW of Atka, AlaskaSat, Feb 27, 2:26 PM HAST · 3872 days ago · 157 km deep · 65 km away
13. 1.641 km SSE of Atka, AlaskaSat, Feb 27, 4:41 PM HAST · 3872 days ago · 28 km deep · 69 km away
14. 1.825 km S of Atka, AlaskaSun, Feb 28, 3:46 AM HAST · 3872 days ago · 62 km deep · 57 km away
15. 4.397 km SSW of Atka, AlaskaSun, Feb 28, 7:22 AM HAST · 3871 days ago · 13 km deep · 49 km away
16. 1.894 km SSW of Atka, AlaskaSun, Feb 28, 9:35 AM HAST · 3871 days ago · 67 km deep · 46 km away
17. 1.927 km SSE of Atka, AlaskaSun, Feb 28, 12:36 PM HAST · 3871 days ago · 61 km deep · 70 km away
18. 1.752 km S of Atka, AlaskaSun, Feb 28, 2:19 PM HAST · 3871 days ago · 37 km deep · 55 km away
19. 1.867 km ENE of Adak, AlaskaSun, Feb 28, 6:32 PM HAST · 3871 days ago · 156 km deep · 69 km away
20. 2.130 km NW of Atka, AlaskaSun, Feb 28, 11:49 PM HAST · 3871 days ago · 172 km deep · 73 km away
21. 2.485 km ESE of Adak, AlaskaSun, Feb 28, 11:58 PM HAST · 3871 days ago · 55 km deep · 46 km away
22. 2.137 km SE of Atka, AlaskaMon, Feb 29, 2:24 AM HAST · 3871 days ago · 156 km deep · 84 km away
23. 2.992 km ESE of Adak, AlaskaMon, Feb 29, 2:52 AM HAST · 3871 days ago · 52 km deep · 54 km away
24. 1.787 km ESE of Adak, AlaskaMon, Feb 29, 6:34 AM HAST · 3871 days ago · 59 km deep · 46 km away
25. 1.796 km SE of Adak, AlaskaMon, Feb 29, 6:44 AM HAST · 3871 days ago · 26 km deep · 59 km away
26. 2.089 km ESE of Adak, AlaskaMon, Feb 29, 7:47 AM HAST · 3870 days ago · 59 km deep · 45 km away
27. 2.0Andreanof Islands, Aleutian Islands, AlaskaMon, Feb 29, 9:21 AM HAST · 3870 days ago · 5 km deep · 96 km away
28. 1.974 km SSE of Atka, AlaskaMon, Feb 29, 10:27 AM HAST · 3870 days ago · 7 km deep · 80 km away
29. 1.968 km SSE of Atka, AlaskaMon, Feb 29, 10:40 AM HAST · 3870 days ago · 38 km deep · 80 km away
30. 2.659 km SE of Adak, AlaskaTue, Mar 1, 4:37 PM HAST · 3869 days ago · 48 km deep · 83 km away
31. 1.596 km ESE of Adak, AlaskaWed, Mar 2, 3:49 AM HAST · 3869 days ago · 34 km deep · 41 km away
32. 1.681 km ESE of Adak, AlaskaWed, Mar 2, 11:09 AM HAST · 3868 days ago · 51 km deep · 47 km away
33. 3.289 km ESE of Adak, AlaskaWed, Mar 2, 11:09 PM HAST · 3868 days ago · 50 km deep · 30 km away
34. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Mar 4, 4:51 AM HAST · 3867 days ago · 143 km deep · 75 km away
35. 2.059 km W of Atka, AlaskaFri, Mar 4, 5:04 AM HAST · 3867 days ago · 110 km deep · 47 km away
36. 2.479 km SW of Atka, AlaskaFri, Mar 4, 7:47 AM HAST · 3866 days ago · 26 km deep · 17 km away
37. 2.585 km SW of Atka, AlaskaFri, Mar 4, 5:44 PM HAST · 3866 days ago · 41 km deep · 17 km away
38. 2.468 km SW of Atka, AlaskaSat, Mar 5, 12:20 AM HAST · 3866 days ago · 26 km deep · 9 km away
39. 1.879 km SW of Atka, AlaskaSat, Mar 5, 4:44 AM HAST · 3866 days ago · 25 km deep · 16 km away
40. 1.760 km SW of Atka, AlaskaSat, Mar 5, 5:31 AM HAST · 3866 days ago · 33 km deep · 11 km away
41. 2.3130 km SSW of Atka, AlaskaMon, Mar 7, 9:19 PM HAST · 3863 days ago · 7 km deep · 76 km away
42. 2.163 km ESE of Adak, AlaskaTue, Mar 8, 8:24 AM HAST · 3862 days ago · 49 km deep · 60 km away
43. 2.254 km SSE of Adak, AlaskaThu, Mar 10, 4:24 PM HAST · 3860 days ago · 17 km deep · 98 km away
44. 2.685 km E of Adak, AlaskaFri, Mar 11, 5:08 AM HAST · 3860 days ago · 220 km deep · 35 km away
45. 4.130 km SSW of Atka, AlaskaFri, Mar 11, 8:05 AM HAST · 3859 days ago · 62 km deep · 43 km away
46. 3.488 km S of Atka, AlaskaFri, Mar 11, 4:39 PM HAST · 3859 days ago · 5 km deep · 71 km away
47. 2.513 km WNW of Atka, AlaskaFri, Mar 11, 11:20 PM HAST · 3859 days ago · 209 km deep · 65 km away
48. 4.578 km S of Atka, AlaskaSat, Mar 12, 1:55 AM HAST · 3859 days ago · 38 km deep · 71 km away
49. 4.096 km SSE of Atka, AlaskaSat, Mar 12, 2:40 AM HAST · 3859 days ago · 22 km deep · 86 km away
50. 5.684 km S of Atka, AlaskaSat, Mar 12, 3:23 AM HAST · 3859 days ago · 13 km deep · 76 km away · tsunami flag
51. 2.9Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 12, 3:29 AM HAST · 3859 days ago · 26 km deep · 80 km away
52. 2.189 km S of Atka, AlaskaSat, Mar 12, 3:39 AM HAST · 3859 days ago · 26 km deep · 77 km away
53. 1.873 km ESE of Adak, AlaskaSat, Mar 12, 4:13 AM HAST · 3859 days ago · 27 km deep · 48 km away
54. 4.098 km SSE of Atka, AlaskaSat, Mar 12, 4:15 AM HAST · 3859 days ago · 27 km deep · 86 km away
55. 2.692 km S of Atka, AlaskaSat, Mar 12, 4:22 AM HAST · 3859 days ago · 23 km deep · 81 km away
56. 2.495 km S of Atka, AlaskaSat, Mar 12, 4:23 AM HAST · 3859 days ago · 17 km deep · 80 km away
57. 2.485 km S of Atka, AlaskaSat, Mar 12, 4:36 AM HAST · 3859 days ago · 3 km deep · 67 km away
58. 2.187 km S of Atka, AlaskaSat, Mar 12, 4:47 AM HAST · 3859 days ago · 19 km deep · 74 km away
59. 1.791 km SW of Atka, AlaskaSat, Mar 12, 4:52 AM HAST · 3859 days ago · 25 km deep · 22 km away
60. 2.791 km S of Atka, AlaskaSat, Mar 12, 6:23 AM HAST · 3859 days ago · 14 km deep · 77 km away

The first 60 of at least 199.

Before

1. 2.592 km SW of Atka, AlaskaSat, Feb 20, 11:41 PM HAST · 3879 days ago · 41 km deep · 25 km away
2. 1.829 km ESE of Adak, AlaskaSat, Feb 20, 9:53 PM HAST · 3879 days ago · 58 km deep · 91 km away
3. 4.6101 km ESE of Adak, AlaskaSat, Feb 20, 6:39 AM HAST · 3880 days ago · 26 km deep · 32 km away
4. 2.382 km ESE of Adak, AlaskaSat, Feb 20, 6:31 AM HAST · 3880 days ago · 50 km deep · 51 km away
5. 4.227 km NNW of Atka, AlaskaSat, Feb 20, 5:42 AM HAST · 3880 days ago · 192 km deep · 82 km away
6. 1.963 km ESE of Adak, AlaskaSat, Feb 20, 3:04 AM HAST · 3880 days ago · 40 km deep · 65 km away
7. 1.974 km SW of Atka, AlaskaFri, Feb 19, 10:00 PM HAST · 3880 days ago · 26 km deep · 15 km away
8. 1.939 km SSW of Atka, AlaskaThu, Feb 18, 9:11 PM HAST · 3881 days ago · 53 km deep · 37 km away
9. 3.075 km E of Adak, AlaskaThu, Feb 18, 3:28 PM HAST · 3881 days ago · 152 km deep · 47 km away
10. 2.279 km SW of Atka, AlaskaWed, Feb 17, 2:51 PM HAST · 3882 days ago · 26 km deep · 19 km away
11. 3.042 km NW of Atka, AlaskaTue, Feb 16, 9:09 PM HAST · 3883 days ago · 166 km deep · 85 km away
12. 3.997 km ESE of Adak, AlaskaTue, Feb 16, 4:56 PM HAST · 3883 days ago · 21 km deep · 38 km away
13. 2.786 km S of Atka, AlaskaTue, Feb 16, 3:59 PM HAST · 3883 days ago · 69 km deep · 61 km away
14. 1.942 km SSE of Atka, AlaskaTue, Feb 16, 10:13 AM HAST · 3883 days ago · 23 km deep · 61 km away
15. 2.843 km NNW of Atka, AlaskaTue, Feb 16, 8:40 AM HAST · 3883 days ago · 193 km deep · 98 km away
16. 2.3100 km S of Atka, AlaskaMon, Feb 15, 5:11 PM HAST · 3884 days ago · 15 km deep · 71 km away
17. 2.1102 km S of Atka, AlaskaMon, Feb 15, 4:52 PM HAST · 3884 days ago · 24 km deep · 71 km away
18. 2.674 km NE of Adak, AlaskaMon, Feb 15, 12:12 PM HAST · 3884 days ago · 208 km deep · 79 km away
19. 2.054 km ENE of Adak, AlaskaMon, Feb 15, 9:51 AM HAST · 3884 days ago · 172 km deep · 71 km away
20. 1.565 km WSW of Atka, AlaskaSun, Feb 14, 11:29 AM HAST · 3885 days ago · 64 km deep · 12 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0162e6rofc (also filed as ak12862141). Read Mon, Oct 5, 2026, 4:37 AM UTC.