M1.8 earthquake 60 km SE of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Wed, Mar 31, 2021, 1:09 AM HADT

UTC

2021-03-31 10:09:18 UTC

Depth

33.9 km (21.1 mi), shallow

Epicenter

51.447° N, 176.089° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

22

After

1. 1.958 km SSE of Adak, AlaskaWed, Mar 31, 3:52 PM HADT · 2007 days ago · 23 km deep · 9 km away
2. 2.843 km SSE of Adak, AlaskaThu, Apr 1, 4:32 AM HADT · 2006 days ago · 40 km deep · 26 km away
3. 1.762 km SW of Adak, AlaskaThu, Apr 1, 6:51 PM HADT · 2006 days ago · 36 km deep · 74 km away
4. 2.7Andreanof Islands, Aleutian Islands, AlaskaThu, Apr 1, 11:10 PM HADT · 2006 days ago · 65 km deep · 97 km away
5. 1.975 km E of Adak, AlaskaFri, Apr 2, 6:36 AM HADT · 2005 days ago · 78 km deep · 68 km away
6. 2.125 km S of Adak, AlaskaFri, Apr 2, 6:44 AM HADT · 2005 days ago · 57 km deep · 42 km away
7. 2.916 km SSE of Adak, AlaskaFri, Apr 2, 8:02 AM HADT · 2005 days ago · 64 km deep · 45 km away
8. 3.392 km SW of Atka, AlaskaFri, Apr 2, 9:13 PM HADT · 2005 days ago · 35 km deep · 67 km away
9. 1.852 km SSE of Adak, AlaskaSat, Apr 3, 2:44 PM HADT · 2004 days ago · 24 km deep · 26 km away
10. 1.681 km SE of Adak, AlaskaMon, Apr 5, 3:35 AM HADT · 2002 days ago · 25 km deep · 27 km away
11. 4.444 km SE of Adak, AlaskaTue, Apr 6, 12:02 AM HADT · 2002 days ago · 51 km deep · 16 km away · felt by 1
12. 1.972 km ESE of Adak, AlaskaTue, Apr 6, 2:25 AM HADT · 2001 days ago · 29 km deep · 25 km away
13. 2.1107 km SSW of Adak, AlaskaTue, Apr 6, 6:26 AM HADT · 2001 days ago · 26 km deep · 85 km away
14. 1.663 km SSE of Adak, AlaskaTue, Apr 6, 8:33 AM HADT · 2001 days ago · 22 km deep · 7 km away
15. 2.570 km ESE of Adak, AlaskaTue, Apr 6, 4:14 PM HADT · 2001 days ago · 23 km deep · 40 km away
16. 2.050 km SW of Adak, AlaskaTue, Apr 6, 11:13 PM HADT · 2001 days ago · 42 km deep · 67 km away
17. 1.739 km SSE of Adak, AlaskaWed, Apr 7, 4:47 PM HADT · 2000 days ago · 35 km deep · 24 km away
18. 3.687 km SW of Atka, AlaskaWed, Apr 7, 5:51 PM HADT · 2000 days ago · 35 km deep · 74 km away
19. 1.979 km ESE of Adak, AlaskaThu, Apr 8, 12:59 AM HADT · 1999 days ago · 32 km deep · 46 km away
20. 2.565 km SSW of Adak, AlaskaThu, Apr 8, 2:10 PM HADT · 1999 days ago · 35 km deep · 61 km away
21. 2.965 km WSW of Adak, AlaskaFri, Apr 9, 5:31 AM HADT · 1998 days ago · 82 km deep · 99 km away
22. 1.961 km SE of Adak, AlaskaFri, Apr 9, 7:18 AM HADT · 1998 days ago · 15 km deep · 1 km away
23. 3.328 km S of Adak, AlaskaFri, Apr 9, 9:19 AM HADT · 1998 days ago · 69 km deep · 42 km away
24. 2.695 km ESE of Adak, AlaskaSat, Apr 10, 9:01 PM HADT · 1997 days ago · 35 km deep · 53 km away
25. 1.759 km SSE of Adak, AlaskaMon, Apr 12, 6:38 PM HADT · 1995 days ago · 26 km deep · 7 km away
26. 1.855 km SSW of Adak, AlaskaMon, Apr 12, 9:33 PM HADT · 1995 days ago · 45 km deep · 50 km away
27. 1.966 km SE of Adak, AlaskaMon, Apr 12, 10:26 PM HADT · 1995 days ago · 45 km deep · 20 km away
28. 1.743 km SSW of Adak, AlaskaTue, Apr 13, 2:02 AM HADT · 1994 days ago · 50 km deep · 51 km away
29. 3.075 km WSW of Atka, AlaskaTue, Apr 13, 8:54 PM HADT · 1994 days ago · 233 km deep · 84 km away
30. 1.947 km SE of Adak, AlaskaWed, Apr 14, 2:19 AM HADT · 1993 days ago · 43 km deep · 13 km away
31. 2.241 km E of Adak, AlaskaWed, Apr 14, 12:58 PM HADT · 1993 days ago · 75 km deep · 40 km away
32. 2.350 km ENE of Adak, AlaskaWed, Apr 14, 3:16 PM HADT · 1993 days ago · 183 km deep · 73 km away
33. 1.719 km SW of Adak, AlaskaThu, Apr 15, 4:01 AM HADT · 1992 days ago · 11 km deep · 62 km away
34. 2.753 km SSW of Adak, AlaskaThu, Apr 15, 7:22 PM HADT · 1992 days ago · 36 km deep · 67 km away
35. 1.734 km NE of Adak, AlaskaThu, Apr 15, 7:29 PM HADT · 1992 days ago · 129 km deep · 69 km away
36. 2.525 km SE of Adak, AlaskaFri, Apr 16, 5:54 AM HADT · 1991 days ago · 78 km deep · 36 km away
37. 1.575 km ESE of Adak, AlaskaFri, Apr 16, 9:25 AM HADT · 1991 days ago · 29 km deep · 37 km away
38. 2.874 km ESE of Adak, AlaskaFri, Apr 16, 10:06 PM HADT · 1991 days ago · 35 km deep · 27 km away
39. 1.633 km SSW of Adak, AlaskaSat, Apr 17, 3:23 AM HADT · 1990 days ago · 51 km deep · 57 km away
40. 1.548 km SSE of Adak, AlaskaSat, Apr 17, 10:09 AM HADT · 1990 days ago · 23 km deep · 13 km away
41. 1.662 km SSE of Adak, AlaskaSat, Apr 17, 12:17 PM HADT · 1990 days ago · 22 km deep · 10 km away
42. 3.898 km SSE of Adak, AlaskaSat, Apr 17, 12:45 PM HADT · 1990 days ago · 10 km deep · 41 km away
43. 1.555 km SSW of Adak, AlaskaSat, Apr 17, 5:07 PM HADT · 1990 days ago · 19 km deep · 54 km away
44. 1.552 km SSW of Adak, AlaskaSat, Apr 17, 6:16 PM HADT · 1990 days ago · 36 km deep · 66 km away
45. 1.767 km SSE of Adak, AlaskaSat, Apr 17, 6:41 PM HADT · 1990 days ago · 12 km deep · 20 km away
46. 2.182 km E of Adak, AlaskaSat, Apr 17, 8:06 PM HADT · 1990 days ago · 116 km deep · 74 km away
47. 1.575 km SSE of Adak, AlaskaSat, Apr 17, 10:41 PM HADT · 1990 days ago · 26 km deep · 24 km away
48. 1.5Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 17, 11:59 PM HADT · 1990 days ago · 39 km deep · 40 km away
49. 1.678 km E of Adak, AlaskaSun, Apr 18, 8:18 AM HADT · 1989 days ago · 71 km deep · 62 km away
50. 1.756 km E of Adak, AlaskaSun, Apr 18, 9:24 AM HADT · 1989 days ago · 71 km deep · 52 km away
51. 1.967 km SSW of Adak, AlaskaSun, Apr 18, 10:07 AM HADT · 1989 days ago · 44 km deep · 74 km away
52. 1.663 km S of Adak, AlaskaSun, Apr 18, 4:23 PM HADT · 1989 days ago · 25 km deep · 50 km away
53. 1.737 km SSE of Adak, AlaskaSun, Apr 18, 7:58 PM HADT · 1989 days ago · 57 km deep · 32 km away
54. 1.861 km SSE of Adak, AlaskaSun, Apr 18, 9:49 PM HADT · 1989 days ago · 22 km deep · 11 km away
55. 1.681 km SE of Adak, AlaskaMon, Apr 19, 2:22 AM HADT · 1988 days ago · 25 km deep · 24 km away
56. 2.6102 km ESE of Adak, AlaskaMon, Apr 19, 4:10 AM HADT · 1988 days ago · 35 km deep · 57 km away
57. 1.9121 km SSW of Atka, AlaskaMon, Apr 19, 4:31 AM HADT · 1988 days ago · 8 km deep · 81 km away
58. 1.855 km SSE of Adak, AlaskaMon, Apr 19, 2:18 PM HADT · 1988 days ago · 21 km deep · 12 km away
59. 1.741 km SSE of Adak, AlaskaMon, Apr 19, 6:54 PM HADT · 1988 days ago · 33 km deep · 22 km away
60. 1.552 km SW of Adak, AlaskaMon, Apr 19, 7:21 PM HADT · 1988 days ago · 43 km deep · 69 km away

The first 60 of 109.

Before

1. 1.9123 km SSW of Atka, AlaskaTue, Mar 30, 11:24 PM HADT · 2008 days ago · 16 km deep · 75 km away
2. 1.875 km SW of Atka, AlaskaTue, Mar 30, 9:31 PM HADT · 2008 days ago · 42 km deep · 88 km away
3. 1.980 km ESE of Adak, AlaskaTue, Mar 30, 8:57 PM HADT · 2008 days ago · 46 km deep · 34 km away
4. 2.051 km E of Adak, AlaskaTue, Mar 30, 3:52 PM HADT · 2008 days ago · 104 km deep · 59 km away
5. 2.047 km WSW of Adak, AlaskaTue, Mar 30, 3:20 PM HADT · 2008 days ago · 74 km deep · 93 km away
6. 2.9Andreanof Islands, Aleutian Islands, AlaskaTue, Mar 30, 4:38 AM HADT · 2008 days ago · 16 km deep · 84 km away
7. 2.6127 km SSW of Atka, AlaskaTue, Mar 30, 4:16 AM HADT · 2008 days ago · 27 km deep · 82 km away
8. 3.7131 km SSW of Atka, AlaskaTue, Mar 30, 3:49 AM HADT · 2008 days ago · 24 km deep · 86 km away
9. 3.945 km S of Adak, AlaskaMon, Mar 29, 10:24 PM HADT · 2009 days ago · 47 km deep · 30 km away
10. 2.1Andreanof Islands, Aleutian Islands, AlaskaMon, Mar 29, 8:42 PM HADT · 2009 days ago · 15 km deep · 79 km away
11. 2.045 km SE of Adak, AlaskaSun, Mar 28, 9:06 PM HADT · 2010 days ago · 46 km deep · 16 km away
12. 1.937 km SW of Adak, AlaskaSat, Mar 27, 5:15 PM HADT · 2011 days ago · 55 km deep · 72 km away
13. 3.154 km SSW of Adak, AlaskaSat, Mar 27, 5:13 PM HADT · 2011 days ago · 51 km deep · 65 km away
14. 1.763 km S of Adak, AlaskaSat, Mar 27, 6:48 AM HADT · 2011 days ago · 26 km deep · 46 km away
15. 2.6102 km SW of Atka, AlaskaSat, Mar 27, 6:19 AM HADT · 2011 days ago · 25 km deep · 62 km away
16. 2.885 km WSW of Atka, AlaskaSat, Mar 27, 3:14 AM HADT · 2011 days ago · 63 km deep · 69 km away
17. 1.548 km S of Adak, AlaskaFri, Mar 26, 9:49 PM HADT · 2012 days ago · 28 km deep · 30 km away
18. 1.872 km SSW of Adak, AlaskaThu, Mar 25, 4:35 PM HADT · 2013 days ago · 40 km deep · 78 km away
19. 1.772 km SSW of Adak, AlaskaThu, Mar 25, 4:24 AM HADT · 2013 days ago · 32 km deep · 74 km away
20. 1.554 km S of Adak, AlaskaThu, Mar 25, 3:26 AM HADT · 2013 days ago · 25 km deep · 30 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021450djei. Read Mon, Sep 28, 2026, 9:14 PM UTC.