M2.2 earthquake 55 km SSW of Atka, Alaska

Magnitude

2.2 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Apr 21, 2016, 1:00 PM HADT

UTC

2016-04-21 22:00:43 UTC

Depth

10.9 km (6.8 mi), shallow

Epicenter

51.723° N, 174.435° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 1.759 km E of Atka, AlaskaThu, Apr 21, 1:25 PM HADT · 3818 days ago · 13 km deep · 94 km away
2. 1.855 km E of Atka, AlaskaThu, Apr 21, 2:16 PM HADT · 3818 days ago · 62 km deep · 90 km away
3. 1.968 km E of Adak, AlaskaThu, Apr 21, 4:27 PM HADT · 3818 days ago · 26 km deep · 84 km away
4. 1.6Andreanof Islands, Aleutian Islands, AlaskaThu, Apr 21, 8:37 PM HADT · 3818 days ago · 21 km deep · 48 km away
5. 2.246 km NW of Atka, AlaskaFri, Apr 22, 2:33 AM HADT · 3817 days ago · 228 km deep · 85 km away
6. 2.189 km SW of Atka, AlaskaSun, Apr 24, 3:01 PM HADT · 3815 days ago · 49 km deep · 56 km away
7. 2.4113 km ESE of Adak, AlaskaSun, Apr 24, 8:53 PM HADT · 3815 days ago · 20 km deep · 66 km away
8. 1.980 km S of Atka, AlaskaSun, Apr 24, 10:41 PM HADT · 3815 days ago · 14 km deep · 40 km away
9. 4.676 km SSW of Atka, AlaskaMon, Apr 25, 5:16 AM HADT · 3814 days ago · 43 km deep · 22 km away
10. 4.388 km SSW of Atka, AlaskaMon, Apr 25, 5:34 AM HADT · 3814 days ago · 26 km deep · 33 km away
11. 2.690 km SSW of Atka, AlaskaMon, Apr 25, 5:42 AM HADT · 3814 days ago · 20 km deep · 36 km away
12. 2.396 km SSW of Atka, AlaskaMon, Apr 25, 6:30 AM HADT · 3814 days ago · 26 km deep · 41 km away
13. 2.592 km SSW of Atka, AlaskaMon, Apr 25, 6:49 AM HADT · 3814 days ago · 13 km deep · 38 km away
14. 4.192 km SSW of Atka, AlaskaMon, Apr 25, 6:58 AM HADT · 3814 days ago · 26 km deep · 38 km away
15. 2.890 km SSW of Atka, AlaskaMon, Apr 25, 8:04 AM HADT · 3814 days ago · 13 km deep · 36 km away
16. 2.663 km ESE of Adak, AlaskaMon, Apr 25, 8:30 AM HADT · 3814 days ago · 33 km deep · 99 km away
17. 1.896 km SSW of Atka, AlaskaMon, Apr 25, 10:16 AM HADT · 3814 days ago · 24 km deep · 41 km away
18. 2.2Andreanof Islands, Aleutian Islands, AlaskaTue, Apr 26, 11:38 AM HADT · 3813 days ago · 1 km deep · 91 km away
19. 2.652 km S of Atka, AlaskaThu, Apr 28, 8:59 AM HADT · 3811 days ago · 27 km deep · 11 km away
20. 1.642 km ESE of Atka, AlaskaThu, Apr 28, 5:57 PM HADT · 3811 days ago · 37 km deep · 60 km away
21. 1.871 km SSW of Atka, AlaskaFri, Apr 29, 3:23 PM HADT · 3810 days ago · 11 km deep · 16 km away
22. 1.836 km SW of Atka, AlaskaFri, Apr 29, 8:26 PM HADT · 3810 days ago · 67 km deep · 26 km away
23. 2.480 km E of Adak, AlaskaSat, Apr 30, 12:48 AM HADT · 3809 days ago · 15 km deep · 72 km away
24. 1.8101 km SSE of Atka, AlaskaSat, Apr 30, 5:41 PM HADT · 3809 days ago · 25 km deep · 62 km away
25. 3.189 km S of Atka, AlaskaSat, Apr 30, 9:02 PM HADT · 3809 days ago · 21 km deep · 37 km away
26. 1.685 km SSW of Atka, AlaskaSat, Apr 30, 9:44 PM HADT · 3809 days ago · 2 km deep · 31 km away
27. 2.394 km S of Atka, AlaskaSat, Apr 30, 10:22 PM HADT · 3809 days ago · 24 km deep · 41 km away
28. 1.7Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 30, 10:35 PM HADT · 3809 days ago · 24 km deep · 47 km away
29. 1.994 km S of Atka, AlaskaSun, May 1, 1:11 AM HADT · 3808 days ago · 17 km deep · 42 km away
30. 2.296 km S of Atka, AlaskaSun, May 1, 1:13 AM HADT · 3808 days ago · 26 km deep · 45 km away
31. 1.995 km S of Atka, AlaskaSun, May 1, 1:14 AM HADT · 3808 days ago · 21 km deep · 43 km away
32. 2.131 km SE of Atka, AlaskaSun, May 1, 1:32 AM HADT · 3808 days ago · 0 km deep · 46 km away
33. 1.690 km S of Atka, AlaskaSun, May 1, 3:00 AM HADT · 3808 days ago · 17 km deep · 37 km away
34. 2.294 km S of Atka, AlaskaSun, May 1, 3:09 AM HADT · 3808 days ago · 38 km deep · 42 km away
35. 1.686 km SSW of Atka, AlaskaSun, May 1, 3:12 AM HADT · 3808 days ago · 4 km deep · 32 km away
36. 3.799 km S of Atka, AlaskaSun, May 1, 9:45 PM HADT · 3808 days ago · 22 km deep · 48 km away
37. 2.447 km SSW of Atka, AlaskaMon, May 2, 6:14 AM HADT · 3807 days ago · 46 km deep · 9 km away
38. 1.799 km SW of Atka, AlaskaMon, May 2, 4:54 PM HADT · 3807 days ago · 27 km deep · 59 km away
39. 1.684 km SW of Atka, AlaskaMon, May 2, 7:22 PM HADT · 3807 days ago · 16 km deep · 40 km away
40. 1.696 km ESE of Adak, AlaskaMon, May 2, 11:45 PM HADT · 3807 days ago · 51 km deep · 61 km away
41. 1.860 km E of Atka, AlaskaTue, May 3, 1:17 AM HADT · 3806 days ago · 3 km deep · 92 km away
42. 2.171 km E of Adak, AlaskaTue, May 3, 4:18 AM HADT · 3806 days ago · 73 km deep · 83 km away
43. 1.959 km SE of Atka, AlaskaTue, May 3, 9:56 AM HADT · 3806 days ago · 3 km deep · 53 km away
44. 1.8105 km S of Atka, AlaskaTue, May 3, 5:23 PM HADT · 3806 days ago · 26 km deep · 54 km away
45. 1.583 km SW of Atka, AlaskaTue, May 3, 8:29 PM HADT · 3806 days ago · 46 km deep · 43 km away
46. 2.184 km SW of Atka, AlaskaWed, May 4, 4:20 PM HADT · 3805 days ago · 20 km deep · 52 km away
47. 2.2130 km S of Atka, AlaskaWed, May 4, 4:40 PM HADT · 3805 days ago · 13 km deep · 83 km away
48. 2.631 km SSW of Atka, AlaskaThu, May 5, 1:04 PM HADT · 3804 days ago · 53 km deep · 27 km away
49. 2.222 km WSW of Atka, AlaskaFri, May 6, 3:53 PM HADT · 3803 days ago · 139 km deep · 44 km away
50. 1.973 km WSW of Atka, AlaskaSun, May 8, 9:50 AM HADT · 3801 days ago · 97 km deep · 48 km away
51. 2.697 km S of Atka, AlaskaSun, May 8, 4:07 PM HADT · 3801 days ago · 14 km deep · 48 km away
52. 2.361 km S of Atka, AlaskaMon, May 9, 3:11 AM HADT · 3800 days ago · 11 km deep · 15 km away
53. 1.954 km SSW of Atka, AlaskaMon, May 9, 8:49 AM HADT · 3800 days ago · 15 km deep · 8 km away
54. 2.257 km E of Adak, AlaskaMon, May 9, 1:29 PM HADT · 3800 days ago · 62 km deep · 95 km away
55. 2.069 km SE of Atka, AlaskaTue, May 10, 4:16 PM HADT · 3799 days ago · 14 km deep · 56 km away
56. 2.181 km SE of Atka, AlaskaTue, May 10, 7:10 PM HADT · 3799 days ago · 37 km deep · 79 km away
57. 1.726 km SSE of Atka, AlaskaWed, May 11, 2:46 AM HADT · 3798 days ago · 10 km deep · 41 km away
58. 1.9Andreanof Islands, Aleutian Islands, AlaskaWed, May 11, 4:04 AM HADT · 3798 days ago · 36 km deep · 76 km away
59. 1.8100 km S of Atka, AlaskaWed, May 11, 5:48 PM HADT · 3798 days ago · 41 km deep · 49 km away
60. 1.644 km SSE of Atka, AlaskaThu, May 12, 2:30 AM HADT · 3797 days ago · 59 km deep · 41 km away

The first 60 of 130.

Before

1. 1.672 km SE of Atka, AlaskaThu, Apr 21, 8:09 AM HADT · 3818 days ago · 35 km deep · 75 km away
2. 2.493 km S of Atka, AlaskaThu, Apr 21, 6:43 AM HADT · 3818 days ago · 35 km deep · 42 km away
3. 1.7102 km S of Atka, AlaskaWed, Apr 20, 7:31 PM HADT · 3819 days ago · 21 km deep · 51 km away
4. 1.968 km WSW of Atka, AlaskaWed, Apr 20, 8:14 AM HADT · 3819 days ago · 78 km deep · 49 km away
5. 2.180 km SE of Atka, AlaskaTue, Apr 19, 8:30 PM HADT · 3820 days ago · 59 km deep · 79 km away
6. 2.319 km SW of Atka, AlaskaTue, Apr 19, 3:29 AM HADT · 3820 days ago · 149 km deep · 38 km away
7. 3.238 km NNE of Atka, AlaskaMon, Apr 18, 10:21 PM HADT · 3821 days ago · 145 km deep · 92 km away
8. 2.577 km WNW of Atka, AlaskaMon, Apr 18, 6:04 AM HADT · 3821 days ago · 243 km deep · 93 km away
9. 2.621 km S of Atka, AlaskaSun, Apr 17, 8:40 PM HADT · 3822 days ago · 212 km deep · 36 km away
10. 2.399 km SE of Adak, AlaskaSun, Apr 17, 6:12 PM HADT · 3822 days ago · 33 km deep · 81 km away
11. 1.870 km SSW of Atka, AlaskaSun, Apr 17, 5:18 PM HADT · 3822 days ago · 21 km deep · 23 km away
12. 2.066 km SSW of Atka, AlaskaSun, Apr 17, 5:17 PM HADT · 3822 days ago · 38 km deep · 20 km away
13. 2.357 km S of Atka, AlaskaSun, Apr 17, 2:07 AM HADT · 3822 days ago · 40 km deep · 10 km away
14. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 16, 12:56 AM HADT · 3823 days ago · 14 km deep · 44 km away
15. 2.378 km WSW of Atka, AlaskaFri, Apr 15, 12:27 PM HADT · 3824 days ago · 69 km deep · 55 km away
16. 1.984 km WSW of Atka, AlaskaFri, Apr 15, 6:12 AM HADT · 3824 days ago · 71 km deep · 67 km away
17. 2.050 km SW of Atka, AlaskaThu, Apr 14, 1:20 PM HADT · 3825 days ago · 51 km deep · 34 km away
18. 1.971 km SSW of Atka, AlaskaThu, Apr 14, 1:56 AM HADT · 3825 days ago · 20 km deep · 23 km away
19. 2.192 km S of Atka, AlaskaWed, Apr 13, 6:30 PM HADT · 3826 days ago · 15 km deep · 45 km away
20. 2.981 km S of Atka, AlaskaWed, Apr 13, 5:27 PM HADT · 3826 days ago · 1 km deep · 29 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak01655lahzi (also filed as ak13501400). Read Sun, Oct 4, 2026, 8:59 PM UTC.