M1.9 earthquake 75 km WSW of Adak, Alaska

Magnitude

1.9 (ml), micro

Local time

Tue, Mar 30, 2021, 6:38 PM HADT

UTC

2021-03-31 03:38:10 UTC

Depth

30.4 km (18.9 mi), shallow

Epicenter

51.523° N, 177.565° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

21

After

1. 1.8123 km WSW of Adak, AlaskaTue, Mar 30, 9:43 PM HADT · 2003 days ago · 7 km deep · 57 km away
2. 1.958 km SSE of Adak, AlaskaWed, Mar 31, 3:52 PM HADT · 2002 days ago · 23 km deep · 95 km away
3. 2.843 km SSE of Adak, AlaskaThu, Apr 1, 4:32 AM HADT · 2002 days ago · 40 km deep · 77 km away
4. 1.762 km SW of Adak, AlaskaThu, Apr 1, 6:51 PM HADT · 2001 days ago · 36 km deep · 30 km away
5. 2.7Andreanof Islands, Aleutian Islands, AlaskaThu, Apr 1, 11:10 PM HADT · 2001 days ago · 65 km deep · 15 km away
6. 2.125 km S of Adak, AlaskaFri, Apr 2, 6:44 AM HADT · 2001 days ago · 57 km deep · 68 km away
7. 2.916 km SSE of Adak, AlaskaFri, Apr 2, 8:02 AM HADT · 2001 days ago · 64 km deep · 76 km away
8. 1.9116 km SW of Adak, AlaskaFri, Apr 2, 5:34 PM HADT · 2000 days ago · 17 km deep · 43 km away
9. 3.0144 km W of Adak, AlaskaFri, Apr 2, 5:56 PM HADT · 2000 days ago · 183 km deep · 96 km away
10. 1.852 km SSE of Adak, AlaskaSat, Apr 3, 2:44 PM HADT · 1999 days ago · 24 km deep · 77 km away
11. 1.584 km WSW of Adak, AlaskaSun, Apr 4, 9:09 PM HADT · 1998 days ago · 43 km deep · 14 km away
12. 3.1127 km WSW of Adak, AlaskaMon, Apr 5, 4:55 AM HADT · 1998 days ago · 10 km deep · 58 km away
13. 3.2141 km WSW of Adak, AlaskaMon, Apr 5, 4:58 AM HADT · 1998 days ago · 10 km deep · 69 km away
14. 4.444 km SE of Adak, AlaskaTue, Apr 6, 12:02 AM HADT · 1997 days ago · 51 km deep · 91 km away · felt by 1
15. 2.1107 km SSW of Adak, AlaskaTue, Apr 6, 6:26 AM HADT · 1997 days ago · 26 km deep · 77 km away
16. 1.680 km WSW of Adak, AlaskaTue, Apr 6, 9:00 AM HADT · 1997 days ago · 38 km deep · 6 km away
17. 2.050 km SW of Adak, AlaskaTue, Apr 6, 11:13 PM HADT · 1996 days ago · 42 km deep · 35 km away
18. 1.739 km SSE of Adak, AlaskaWed, Apr 7, 4:47 PM HADT · 1995 days ago · 35 km deep · 81 km away
19. 2.6137 km SW of Adak, AlaskaWed, Apr 7, 11:34 PM HADT · 1995 days ago · 10 km deep · 67 km away
20. 2.0119 km SW of Adak, AlaskaThu, Apr 8, 12:12 AM HADT · 1995 days ago · 13 km deep · 46 km away
21. 1.9109 km WSW of Adak, AlaskaThu, Apr 8, 3:52 AM HADT · 1995 days ago · 25 km deep · 38 km away
22. 2.565 km SSW of Adak, AlaskaThu, Apr 8, 2:10 PM HADT · 1994 days ago · 35 km deep · 49 km away
23. 2.965 km WSW of Adak, AlaskaFri, Apr 9, 5:31 AM HADT · 1994 days ago · 82 km deep · 12 km away
24. 3.328 km S of Adak, AlaskaFri, Apr 9, 9:19 AM HADT · 1994 days ago · 69 km deep · 66 km away
25. 3.5137 km SW of Adak, AlaskaSat, Apr 10, 7:50 PM HADT · 1992 days ago · 35 km deep · 64 km away
26. 1.998 km SW of Adak, AlaskaSun, Apr 11, 9:30 AM HADT · 1992 days ago · 22 km deep · 34 km away
27. 1.759 km SSE of Adak, AlaskaMon, Apr 12, 6:38 PM HADT · 1990 days ago · 26 km deep · 96 km away
28. 1.855 km SSW of Adak, AlaskaMon, Apr 12, 9:33 PM HADT · 1990 days ago · 45 km deep · 55 km away
29. 1.743 km SSW of Adak, AlaskaTue, Apr 13, 2:02 AM HADT · 1990 days ago · 50 km deep · 52 km away
30. 1.947 km SE of Adak, AlaskaWed, Apr 14, 2:19 AM HADT · 1989 days ago · 43 km deep · 93 km away
31. 1.9102 km WSW of Adak, AlaskaWed, Apr 14, 1:46 PM HADT · 1988 days ago · 1 km deep · 31 km away
32. 1.719 km SW of Adak, AlaskaThu, Apr 15, 4:01 AM HADT · 1988 days ago · 11 km deep · 56 km away
33. 2.753 km SSW of Adak, AlaskaThu, Apr 15, 7:22 PM HADT · 1987 days ago · 36 km deep · 36 km away
34. 2.525 km SE of Adak, AlaskaFri, Apr 16, 5:54 AM HADT · 1987 days ago · 78 km deep · 86 km away
35. 1.7119 km WSW of Adak, AlaskaSat, Apr 17, 1:22 AM HADT · 1986 days ago · 17 km deep · 45 km away
36. 1.633 km SSW of Adak, AlaskaSat, Apr 17, 3:23 AM HADT · 1986 days ago · 51 km deep · 49 km away
37. 1.548 km SSE of Adak, AlaskaSat, Apr 17, 10:09 AM HADT · 1986 days ago · 23 km deep · 91 km away
38. 1.662 km SSE of Adak, AlaskaSat, Apr 17, 12:17 PM HADT · 1986 days ago · 22 km deep · 96 km away
39. 1.555 km SSW of Adak, AlaskaSat, Apr 17, 5:07 PM HADT · 1985 days ago · 19 km deep · 51 km away
40. 1.7135 km W of Adak, AlaskaSat, Apr 17, 5:15 PM HADT · 1985 days ago · 19 km deep · 79 km away
41. 1.552 km SSW of Adak, AlaskaSat, Apr 17, 6:16 PM HADT · 1985 days ago · 36 km deep · 36 km away
42. 1.767 km SSE of Adak, AlaskaSat, Apr 17, 6:41 PM HADT · 1985 days ago · 12 km deep · 93 km away
43. 1.7111 km WSW of Adak, AlaskaSat, Apr 17, 6:48 PM HADT · 1985 days ago · 17 km deep · 39 km away
44. 3.6120 km WSW of Adak, AlaskaSat, Apr 17, 10:27 PM HADT · 1985 days ago · 10 km deep · 47 km away
45. 1.575 km SSE of Adak, AlaskaSat, Apr 17, 10:41 PM HADT · 1985 days ago · 26 km deep · 99 km away
46. 1.5Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 17, 11:59 PM HADT · 1985 days ago · 39 km deep · 64 km away
47. 1.967 km SSW of Adak, AlaskaSun, Apr 18, 10:07 AM HADT · 1985 days ago · 44 km deep · 34 km away
48. 1.663 km S of Adak, AlaskaSun, Apr 18, 4:23 PM HADT · 1984 days ago · 25 km deep · 59 km away
49. 1.5134 km W of Adak, AlaskaSun, Apr 18, 7:51 PM HADT · 1984 days ago · 6 km deep · 71 km away
50. 1.737 km SSE of Adak, AlaskaSun, Apr 18, 7:58 PM HADT · 1984 days ago · 57 km deep · 72 km away
51. 1.861 km SSE of Adak, AlaskaSun, Apr 18, 9:49 PM HADT · 1984 days ago · 22 km deep · 94 km away
52. 1.5106 km WSW of Adak, AlaskaMon, Apr 19, 6:10 AM HADT · 1984 days ago · 13 km deep · 34 km away
53. 2.189 km WSW of Adak, AlaskaMon, Apr 19, 6:16 AM HADT · 1984 days ago · 37 km deep · 15 km away
54. 1.6169 km WSW of Adak, AlaskaMon, Apr 19, 9:48 AM HADT · 1984 days ago · 32 km deep · 99 km away
55. 1.855 km SSE of Adak, AlaskaMon, Apr 19, 2:18 PM HADT · 1983 days ago · 21 km deep · 91 km away
56. 1.790 km WSW of Adak, AlaskaMon, Apr 19, 3:30 PM HADT · 1983 days ago · 25 km deep · 15 km away
57. 1.741 km SSE of Adak, AlaskaMon, Apr 19, 6:54 PM HADT · 1983 days ago · 33 km deep · 84 km away
58. 1.552 km SW of Adak, AlaskaMon, Apr 19, 7:21 PM HADT · 1983 days ago · 43 km deep · 34 km away
59. 2.8135 km SW of Adak, AlaskaMon, Apr 19, 7:42 PM HADT · 1983 days ago · 35 km deep · 60 km away
60. 1.980 km WSW of Adak, AlaskaMon, Apr 19, 8:53 PM HADT · 1983 days ago · 65 km deep · 15 km away

The first 60 of 122.

Before

1. 2.047 km WSW of Adak, AlaskaTue, Mar 30, 3:20 PM HADT · 2003 days ago · 74 km deep · 35 km away
2. 2.694 km SW of Adak, AlaskaTue, Mar 30, 11:46 AM HADT · 2004 days ago · 33 km deep · 23 km away
3. 3.945 km S of Adak, AlaskaMon, Mar 29, 10:24 PM HADT · 2004 days ago · 47 km deep · 73 km away
4. 2.045 km SE of Adak, AlaskaSun, Mar 28, 9:06 PM HADT · 2005 days ago · 46 km deep · 97 km away
5. 1.937 km SW of Adak, AlaskaSat, Mar 27, 5:15 PM HADT · 2006 days ago · 55 km deep · 38 km away
6. 3.154 km SSW of Adak, AlaskaSat, Mar 27, 5:13 PM HADT · 2006 days ago · 51 km deep · 38 km away
7. 1.763 km S of Adak, AlaskaSat, Mar 27, 6:48 AM HADT · 2007 days ago · 26 km deep · 64 km away
8. 1.548 km S of Adak, AlaskaFri, Mar 26, 9:49 PM HADT · 2007 days ago · 28 km deep · 73 km away
9. 1.872 km SSW of Adak, AlaskaThu, Mar 25, 4:35 PM HADT · 2008 days ago · 40 km deep · 35 km away
10. 1.7126 km WSW of Adak, AlaskaThu, Mar 25, 6:59 AM HADT · 2009 days ago · 28 km deep · 56 km away
11. 1.772 km SSW of Adak, AlaskaThu, Mar 25, 4:24 AM HADT · 2009 days ago · 32 km deep · 39 km away
12. 1.554 km S of Adak, AlaskaThu, Mar 25, 3:26 AM HADT · 2009 days ago · 25 km deep · 74 km away
13. 1.9159 km WSW of Adak, AlaskaWed, Mar 24, 11:52 PM HADT · 2009 days ago · 19 km deep · 84 km away
14. 1.9107 km WSW of Adak, AlaskaWed, Mar 24, 3:46 PM HADT · 2009 days ago · 7 km deep · 37 km away
15. 1.880 km W of Adak, AlaskaWed, Mar 24, 11:01 AM HADT · 2010 days ago · 9 km deep · 41 km away
16. 1.776 km W of Adak, AlaskaTue, Mar 23, 8:20 AM HADT · 2011 days ago · 13 km deep · 38 km away
17. 1.9148 km WSW of Adak, AlaskaTue, Mar 23, 1:04 AM HADT · 2011 days ago · 30 km deep · 80 km away
18. 1.839 km W of Adak, AlaskaMon, Mar 22, 9:24 PM HADT · 2011 days ago · 76 km deep · 45 km away
19. 1.787 km W of Adak, AlaskaMon, Mar 22, 8:41 PM HADT · 2011 days ago · 5 km deep · 46 km away
20. 1.999 km WSW of Adak, AlaskaMon, Mar 22, 3:25 PM HADT · 2011 days ago · 59 km deep · 30 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02144wdpbf. Read Thu, Sep 24, 2026, 9:49 AM UTC.