M1.8 earthquake 29 km ESE of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Feb 20, 2016, 9:53 PM HAST

UTC

2016-02-21 07:53:51 UTC

Depth

57.9 km (36.0 mi), shallow

Epicenter

51.736° N, 176.272° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 2.592 km SW of Atka, AlaskaSat, Feb 20, 11:41 PM HAST · 3879 days ago · 41 km deep · 67 km away
2. 2.269 km SW of Atka, AlaskaSun, Feb 21, 1:46 AM HAST · 3879 days ago · 42 km deep · 91 km away
3. 2.642 km SW of Adak, AlaskaSun, Feb 21, 5:46 AM HAST · 3879 days ago · 49 km deep · 57 km away
4. 1.880 km WSW of Adak, AlaskaSun, Feb 21, 7:00 PM HAST · 3878 days ago · 13 km deep · 99 km away
5. 1.858 km SSE of Adak, AlaskaMon, Feb 22, 7:57 AM HAST · 3878 days ago · 33 km deep · 37 km away
6. 2.386 km E of Adak, AlaskaTue, Feb 23, 2:38 AM HAST · 3877 days ago · 67 km deep · 61 km away
7. 1.740 km S of Adak, AlaskaTue, Feb 23, 9:37 AM HAST · 3877 days ago · 32 km deep · 40 km away
8. 2.338 km ESE of Adak, AlaskaTue, Feb 23, 10:35 AM HAST · 3876 days ago · 73 km deep · 13 km away
9. 2.741 km SSW of Adak, AlaskaWed, Feb 24, 7:35 PM HAST · 3875 days ago · 25 km deep · 47 km away
10. 1.767 km WSW of Adak, AlaskaWed, Feb 24, 11:46 PM HAST · 3875 days ago · 55 km deep · 87 km away
11. 2.479 km SW of Atka, AlaskaThu, Feb 25, 8:30 AM HAST · 3875 days ago · 26 km deep · 97 km away
12. 2.564 km SE of Adak, AlaskaThu, Feb 25, 8:52 AM HAST · 3875 days ago · 43 km deep · 35 km away
13. 1.748 km ENE of Adak, AlaskaThu, Feb 25, 10:47 AM HAST · 3874 days ago · 14 km deep · 34 km away
14. 1.773 km SW of Atka, AlaskaThu, Feb 25, 12:31 PM HAST · 3874 days ago · 26 km deep · 89 km away
15. 1.629 km SW of Adak, AlaskaThu, Feb 25, 11:35 PM HAST · 3874 days ago · 42 km deep · 43 km away
16. 3.059 km SE of Adak, AlaskaFri, Feb 26, 2:17 PM HAST · 3873 days ago · 47 km deep · 33 km away
17. 1.856 km WSW of Atka, AlaskaFri, Feb 26, 5:33 PM HAST · 3873 days ago · 73 km deep · 95 km away
18. 1.716 km ESE of Adak, AlaskaFri, Feb 26, 8:00 PM HAST · 3873 days ago · 65 km deep · 13 km away
19. 1.739 km WSW of Adak, AlaskaFri, Feb 26, 11:42 PM HAST · 3873 days ago · 59 km deep · 62 km away
20. 1.577 km WSW of Adak, AlaskaSat, Feb 27, 2:44 PM HAST · 3872 days ago · 27 km deep · 97 km away
21. 2.311 km WNW of Adak, AlaskaSat, Feb 27, 6:26 PM HAST · 3872 days ago · 76 km deep · 41 km away
22. 1.815 km SE of Adak, AlaskaSun, Feb 28, 11:57 AM HAST · 3871 days ago · 63 km deep · 15 km away
23. 1.823 km SSW of Adak, AlaskaSun, Feb 28, 4:43 PM HAST · 3871 days ago · 49 km deep · 34 km away
24. 1.867 km ENE of Adak, AlaskaSun, Feb 28, 6:32 PM HAST · 3871 days ago · 156 km deep · 58 km away
25. 2.485 km ESE of Adak, AlaskaSun, Feb 28, 11:58 PM HAST · 3871 days ago · 55 km deep · 56 km away
26. 2.992 km ESE of Adak, AlaskaMon, Feb 29, 2:52 AM HAST · 3871 days ago · 52 km deep · 63 km away
27. 1.787 km ESE of Adak, AlaskaMon, Feb 29, 6:34 AM HAST · 3871 days ago · 59 km deep · 58 km away
28. 1.796 km SE of Adak, AlaskaMon, Feb 29, 6:44 AM HAST · 3871 days ago · 26 km deep · 68 km away
29. 2.089 km ESE of Adak, AlaskaMon, Feb 29, 7:47 AM HAST · 3871 days ago · 59 km deep · 60 km away
30. 2.665 km SSW of Adak, AlaskaTue, Mar 1, 12:57 AM HAST · 3870 days ago · 31 km deep · 68 km away
31. 2.659 km SE of Adak, AlaskaTue, Mar 1, 4:37 PM HAST · 3869 days ago · 48 km deep · 32 km away
32. 1.870 km WSW of Adak, AlaskaTue, Mar 1, 4:52 PM HAST · 3869 days ago · 59 km deep · 91 km away
33. 1.596 km ESE of Adak, AlaskaWed, Mar 2, 3:49 AM HAST · 3869 days ago · 34 km deep · 67 km away
34. 1.681 km ESE of Adak, AlaskaWed, Mar 2, 11:09 AM HAST · 3868 days ago · 51 km deep · 53 km away
35. 3.289 km ESE of Adak, AlaskaWed, Mar 2, 11:09 PM HAST · 3868 days ago · 50 km deep · 62 km away
36. 1.931 km WSW of Adak, AlaskaThu, Mar 3, 3:48 AM HAST · 3868 days ago · 75 km deep · 55 km away
37. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Mar 4, 4:51 AM HAST · 3867 days ago · 143 km deep · 42 km away
38. 2.059 km W of Atka, AlaskaFri, Mar 4, 5:04 AM HAST · 3867 days ago · 110 km deep · 96 km away
39. 1.916 km SSE of Adak, AlaskaFri, Mar 4, 5:12 AM HAST · 3867 days ago · 72 km deep · 19 km away
40. 2.479 km SW of Atka, AlaskaFri, Mar 4, 7:47 AM HAST · 3867 days ago · 26 km deep · 96 km away
41. 1.979 km WSW of Adak, AlaskaFri, Mar 4, 12:50 PM HAST · 3866 days ago · 45 km deep · 96 km away
42. 2.585 km SW of Atka, AlaskaFri, Mar 4, 5:44 PM HAST · 3866 days ago · 41 km deep · 75 km away
43. 2.468 km SW of Atka, AlaskaSat, Mar 5, 12:20 AM HAST · 3866 days ago · 26 km deep · 87 km away
44. 1.879 km SW of Atka, AlaskaSat, Mar 5, 4:44 AM HAST · 3866 days ago · 25 km deep · 95 km away
45. 1.760 km SW of Atka, AlaskaSat, Mar 5, 5:31 AM HAST · 3866 days ago · 33 km deep · 96 km away
46. 2.079 km SSE of Adak, AlaskaTue, Mar 8, 3:04 AM HAST · 3863 days ago · 20 km deep · 62 km away
47. 2.179 km SSE of Adak, AlaskaTue, Mar 8, 6:47 AM HAST · 3863 days ago · 40 km deep · 62 km away
48. 2.163 km ESE of Adak, AlaskaTue, Mar 8, 8:24 AM HAST · 3863 days ago · 49 km deep · 35 km away
49. 2.254 km SSE of Adak, AlaskaThu, Mar 10, 4:24 PM HAST · 3860 days ago · 17 km deep · 33 km away
50. 2.068 km WSW of Adak, AlaskaThu, Mar 10, 5:37 PM HAST · 3860 days ago · 39 km deep · 86 km away
51. 2.685 km E of Adak, AlaskaFri, Mar 11, 5:08 AM HAST · 3860 days ago · 220 km deep · 65 km away
52. 1.661 km SW of Adak, AlaskaFri, Mar 11, 9:16 PM HAST · 3859 days ago · 31 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 · 45 km away
54. 1.791 km SW of Atka, AlaskaSat, Mar 12, 4:52 AM HAST · 3859 days ago · 25 km deep · 79 km away
55. 2.8100 km SW of Atka, AlaskaSat, Mar 12, 6:18 PM HAST · 3858 days ago · 15 km deep · 83 km away
56. 2.175 km SE of Adak, AlaskaSun, Mar 13, 9:53 AM HADT · 3858 days ago · 25 km deep · 48 km away
57. 3.643 km E of Adak, AlaskaSun, Mar 13, 9:23 PM HADT · 3857 days ago · 64 km deep · 21 km away
58. 2.573 km SSE of Adak, AlaskaMon, Mar 14, 1:16 PM HADT · 3856 days ago · 40 km deep · 49 km away
59. 2.552 km SSE of Adak, AlaskaTue, Mar 15, 7:21 AM HADT · 3856 days ago · 24 km deep · 37 km away
60. 2.882 km WSW of Atka, AlaskaWed, Mar 16, 2:13 AM HADT · 3855 days ago · 72 km deep · 69 km away

The first 60 of 151.

Before

1. 2.255 km WSW of Adak, AlaskaSat, Feb 20, 2:31 PM HAST · 3879 days ago · 58 km deep · 76 km away
2. 4.6101 km ESE of Adak, AlaskaSat, Feb 20, 6:39 AM HAST · 3880 days ago · 26 km deep · 73 km away
3. 2.382 km ESE of Adak, AlaskaSat, Feb 20, 6:31 AM HAST · 3880 days ago · 50 km deep · 53 km away
4. 1.963 km ESE of Adak, AlaskaSat, Feb 20, 3:04 AM HAST · 3880 days ago · 40 km deep · 34 km away
5. 1.974 km SW of Atka, AlaskaFri, Feb 19, 10:00 PM HAST · 3880 days ago · 26 km deep · 99 km away
6. 1.876 km WSW of Adak, AlaskaFri, Feb 19, 8:02 PM HAST · 3880 days ago · 30 km deep · 93 km away
7. 3.075 km E of Adak, AlaskaThu, Feb 18, 3:28 PM HAST · 3881 days ago · 152 km deep · 56 km away
8. 2.279 km SW of Atka, AlaskaWed, Feb 17, 2:51 PM HAST · 3882 days ago · 26 km deep · 98 km away
9. 3.997 km ESE of Adak, AlaskaTue, Feb 16, 4:56 PM HAST · 3883 days ago · 21 km deep · 69 km away
10. 1.620 km SW of Adak, AlaskaTue, Feb 16, 4:22 PM HAST · 3883 days ago · 31 km deep · 38 km away
11. 1.566 km WSW of Adak, AlaskaMon, Feb 15, 5:21 PM HAST · 3884 days ago · 20 km deep · 86 km away
12. 2.674 km NE of Adak, AlaskaMon, Feb 15, 12:12 PM HAST · 3884 days ago · 208 km deep · 69 km away
13. 2.054 km ENE of Adak, AlaskaMon, Feb 15, 9:51 AM HAST · 3885 days ago · 172 km deep · 42 km away
14. 3.220 km ENE of Adak, AlaskaMon, Feb 15, 2:20 AM HAST · 3885 days ago · 77 km deep · 28 km away
15. 1.565 km WSW of Atka, AlaskaSun, Feb 14, 11:29 AM HAST · 3885 days ago · 64 km deep · 89 km away
16. 1.661 km SSE of Adak, AlaskaSun, Feb 14, 8:06 AM HAST · 3886 days ago · 15 km deep · 42 km away
17. 2.330 km N of Adak, AlaskaSat, Feb 13, 9:20 PM HAST · 3886 days ago · 98 km deep · 52 km away
18. 1.542 km SW of Adak, AlaskaSat, Feb 13, 6:47 PM HAST · 3886 days ago · 36 km deep · 56 km away
19. 2.582 km SW of Atka, AlaskaSat, Feb 13, 4:28 PM HAST · 3886 days ago · 45 km deep · 89 km away
20. 1.844 km S of Adak, AlaskaFri, Feb 12, 7:29 PM HAST · 3887 days ago · 24 km deep · 36 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0162e4fjv7 (also filed as ak12906205). Read Mon, Oct 5, 2026, 7:42 AM UTC.