M1.8 earthquake 123 km WSW of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Tue, Mar 30, 2021, 9:43 PM HADT

UTC

2021-03-31 06:43:18 UTC

Depth

7.4 km (4.6 mi), shallow

Epicenter

51.634° N, 178.373° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 1.762 km SW of Adak, AlaskaThu, Apr 1, 6:51 PM HADT · 2004 days ago · 36 km deep · 87 km away
2. 2.7Andreanof Islands, Aleutian Islands, AlaskaThu, Apr 1, 11:10 PM HADT · 2004 days ago · 65 km deep · 67 km away
3. 1.9116 km SW of Adak, AlaskaFri, Apr 2, 5:34 PM HADT · 2003 days ago · 17 km deep · 57 km away
4. 3.0144 km W of Adak, AlaskaFri, Apr 2, 5:56 PM HADT · 2003 days ago · 183 km deep · 48 km away
5. 2.2203 km WSW of Adak, AKSun, Apr 4, 3:05 PM HADT · 2001 days ago · 66 km deep · 79 km away
6. 1.584 km WSW of Adak, AlaskaSun, Apr 4, 9:09 PM HADT · 2001 days ago · 43 km deep · 43 km away
7. 3.1127 km WSW of Adak, AlaskaMon, Apr 5, 4:55 AM HADT · 2001 days ago · 10 km deep · 10 km away
8. 3.2141 km WSW of Adak, AlaskaMon, Apr 5, 4:58 AM HADT · 2001 days ago · 10 km deep · 24 km away
9. 1.680 km WSW of Adak, AlaskaTue, Apr 6, 9:00 AM HADT · 1999 days ago · 38 km deep · 51 km away
10. 2.7212 km WSW of Adak, AlaskaTue, Apr 6, 9:49 AM HADT · 1999 days ago · 113 km deep · 90 km away
11. 2.050 km SW of Adak, AlaskaTue, Apr 6, 11:13 PM HADT · 1999 days ago · 42 km deep · 92 km away
12. 2.6137 km SW of Adak, AlaskaWed, Apr 7, 11:34 PM HADT · 1998 days ago · 10 km deep · 76 km away
13. 2.0119 km SW of Adak, AlaskaThu, Apr 8, 12:12 AM HADT · 1998 days ago · 13 km deep · 54 km away
14. 1.9109 km WSW of Adak, AlaskaThu, Apr 8, 3:52 AM HADT · 1998 days ago · 25 km deep · 21 km away
15. 2.965 km WSW of Adak, AlaskaFri, Apr 9, 5:31 AM HADT · 1997 days ago · 82 km deep · 61 km away
16. 3.5137 km SW of Adak, AlaskaSat, Apr 10, 7:50 PM HADT · 1995 days ago · 35 km deep · 62 km away
17. 1.998 km SW of Adak, AlaskaSun, Apr 11, 9:30 AM HADT · 1994 days ago · 22 km deep · 72 km away
18. 1.9102 km WSW of Adak, AlaskaWed, Apr 14, 1:46 PM HADT · 1991 days ago · 1 km deep · 27 km away
19. 2.753 km SSW of Adak, AlaskaThu, Apr 15, 7:22 PM HADT · 1990 days ago · 36 km deep · 93 km away
20. 3.0204 km WSW of Adak, AlaskaFri, Apr 16, 2:11 PM HADT · 1989 days ago · 13 km deep · 96 km away
21. 1.7119 km WSW of Adak, AlaskaSat, Apr 17, 1:22 AM HADT · 1989 days ago · 17 km deep · 24 km away
22. 1.7135 km W of Adak, AlaskaSat, Apr 17, 5:15 PM HADT · 1988 days ago · 19 km deep · 26 km away
23. 1.552 km SSW of Adak, AlaskaSat, Apr 17, 6:16 PM HADT · 1988 days ago · 36 km deep · 93 km away
24. 1.7111 km WSW of Adak, AlaskaSat, Apr 17, 6:48 PM HADT · 1988 days ago · 17 km deep · 25 km away
25. 3.6120 km WSW of Adak, AlaskaSat, Apr 17, 10:27 PM HADT · 1988 days ago · 10 km deep · 26 km away
26. 1.967 km SSW of Adak, AlaskaSun, Apr 18, 10:07 AM HADT · 1987 days ago · 44 km deep · 90 km away
27. 1.5134 km W of Adak, AlaskaSun, Apr 18, 7:51 PM HADT · 1987 days ago · 6 km deep · 14 km away
28. 2.7178 km WSW of Adak, AKSun, Apr 18, 9:33 PM HADT · 1987 days ago · 33 km deep · 69 km away
29. 1.5106 km WSW of Adak, AlaskaMon, Apr 19, 6:10 AM HADT · 1987 days ago · 13 km deep · 27 km away
30. 2.189 km WSW of Adak, AlaskaMon, Apr 19, 6:16 AM HADT · 1987 days ago · 37 km deep · 43 km away
31. 1.6169 km WSW of Adak, AlaskaMon, Apr 19, 9:48 AM HADT · 1986 days ago · 32 km deep · 47 km away
32. 1.790 km WSW of Adak, AlaskaMon, Apr 19, 3:30 PM HADT · 1986 days ago · 25 km deep · 48 km away
33. 1.552 km SW of Adak, AlaskaMon, Apr 19, 7:21 PM HADT · 1986 days ago · 43 km deep · 91 km away
34. 2.8135 km SW of Adak, AlaskaMon, Apr 19, 7:42 PM HADT · 1986 days ago · 35 km deep · 50 km away
35. 1.980 km WSW of Adak, AlaskaMon, Apr 19, 8:53 PM HADT · 1986 days ago · 65 km deep · 45 km away
36. 1.8Andreanof Islands, Aleutian Islands, AlaskaTue, Apr 20, 2:50 PM HADT · 1985 days ago · 34 km deep · 73 km away
37. 1.9150 km WSW of Adak, AlaskaWed, Apr 21, 4:38 AM HADT · 1985 days ago · 28 km deep · 50 km away
38. 2.0192 km WSW of Adak, AlaskaWed, Apr 21, 4:57 PM HADT · 1984 days ago · 18 km deep · 72 km away
39. 1.8116 km WSW of Adak, AlaskaWed, Apr 21, 6:19 PM HADT · 1984 days ago · 33 km deep · 12 km away
40. 1.9165 km WSW of Adak, AlaskaThu, Apr 22, 5:35 AM HADT · 1984 days ago · 16 km deep · 42 km away
41. 3.094 km SW of Adak, AlaskaThu, Apr 22, 7:39 AM HADT · 1984 days ago · 18 km deep · 52 km away
42. 3.168 km SW of Adak, AlaskaThu, Apr 22, 7:25 PM HADT · 1983 days ago · 34 km deep · 78 km away
43. 1.8130 km SW of Adak, AlaskaFri, Apr 23, 12:35 AM HADT · 1983 days ago · 37 km deep · 54 km away
44. 1.7176 km WSW of Adak, AlaskaFri, Apr 23, 5:15 AM HADT · 1983 days ago · 69 km deep · 60 km away
45. 2.547 km SW of Adak, AlaskaFri, Apr 23, 9:56 AM HADT · 1982 days ago · 24 km deep · 84 km away
46. 2.6102 km WSW of Adak, AlaskaFri, Apr 23, 12:38 PM HADT · 1982 days ago · 35 km deep · 41 km away
47. 3.0197 km WSW of Adak, AlaskaSat, Apr 24, 8:16 PM HADT · 1981 days ago · 35 km deep · 86 km away
48. 1.784 km WSW of Adak, AlaskaSat, Apr 24, 9:43 PM HADT · 1981 days ago · 66 km deep · 39 km away
49. 1.9127 km SW of Adak, AlaskaMon, Apr 26, 9:13 PM HADT · 1979 days ago · 40 km deep · 54 km away
50. 2.8104 km WSW of Adak, AlaskaTue, Apr 27, 12:07 PM HADT · 1978 days ago · 30 km deep · 19 km away
51. 1.8166 km W of Adak, AlaskaTue, Apr 27, 12:12 PM HADT · 1978 days ago · 11 km deep · 48 km away
52. 1.5125 km WSW of Adak, AlaskaTue, Apr 27, 1:06 PM HADT · 1978 days ago · 13 km deep · 11 km away
53. 2.2145 km W of Adak, AlaskaTue, Apr 27, 2:35 PM HADT · 1978 days ago · 165 km deep · 24 km away
54. 1.691 km SW of Adak, AlaskaWed, Apr 28, 3:40 AM HADT · 1978 days ago · 18 km deep · 53 km away
55. 1.6114 km WSW of Adak, AlaskaWed, Apr 28, 5:14 AM HADT · 1978 days ago · 19 km deep · 30 km away
56. 1.746 km W of Adak, AlaskaWed, Apr 28, 5:20 AM HADT · 1978 days ago · 80 km deep · 79 km away
57. 2.6102 km WSW of Adak, AlaskaWed, Apr 28, 5:44 PM HADT · 1977 days ago · 61 km deep · 36 km away
58. 1.8127 km SW of Adak, AlaskaWed, Apr 28, 11:16 PM HADT · 1977 days ago · 40 km deep · 49 km away
59. 2.0138 km WSW of Adak, AlaskaThu, Apr 29, 1:08 AM HADT · 1977 days ago · 26 km deep · 37 km away
60. 2.0181 km WSW of Adak, AlaskaMon, May 3, 7:28 PM HADT · 1972 days ago · 20 km deep · 61 km away

The first 60 of 92.

Before

1. 1.975 km WSW of Adak, AlaskaTue, Mar 30, 6:38 PM HADT · 2006 days ago · 30 km deep · 57 km away
2. 2.047 km WSW of Adak, AlaskaTue, Mar 30, 3:20 PM HADT · 2006 days ago · 74 km deep · 75 km away
3. 3.1181 km WSW of Adak, AlaskaTue, Mar 30, 12:03 PM HADT · 2006 days ago · 35 km deep · 69 km away
4. 2.694 km SW of Adak, AlaskaTue, Mar 30, 11:46 AM HADT · 2006 days ago · 33 km deep · 58 km away
5. 3.1207 km WSW of Adak, AlaskaSat, Mar 27, 7:40 PM HADT · 2009 days ago · 10 km deep · 96 km away
6. 1.937 km SW of Adak, AlaskaSat, Mar 27, 5:15 PM HADT · 2009 days ago · 55 km deep · 90 km away
7. 3.154 km SSW of Adak, AlaskaSat, Mar 27, 5:13 PM HADT · 2009 days ago · 51 km deep · 95 km away
8. 1.872 km SSW of Adak, AlaskaThu, Mar 25, 4:35 PM HADT · 2011 days ago · 40 km deep · 89 km away
9. 1.7126 km WSW of Adak, AlaskaThu, Mar 25, 6:59 AM HADT · 2012 days ago · 28 km deep · 11 km away
10. 1.772 km SSW of Adak, AlaskaThu, Mar 25, 4:24 AM HADT · 2012 days ago · 32 km deep · 94 km away
11. 1.9159 km WSW of Adak, AlaskaWed, Mar 24, 11:52 PM HADT · 2012 days ago · 19 km deep · 56 km away
12. 1.9107 km WSW of Adak, AlaskaWed, Mar 24, 3:46 PM HADT · 2012 days ago · 7 km deep · 21 km away
13. 1.880 km W of Adak, AlaskaWed, Mar 24, 11:01 AM HADT · 2012 days ago · 9 km deep · 46 km away
14. 1.776 km W of Adak, AlaskaTue, Mar 23, 8:20 AM HADT · 2013 days ago · 13 km deep · 50 km away
15. 1.9148 km WSW of Adak, AlaskaTue, Mar 23, 1:04 AM HADT · 2014 days ago · 30 km deep · 26 km away
16. 1.839 km W of Adak, AlaskaMon, Mar 22, 9:24 PM HADT · 2014 days ago · 76 km deep · 84 km away
17. 1.787 km W of Adak, AlaskaMon, Mar 22, 8:41 PM HADT · 2014 days ago · 5 km deep · 41 km away
18. 1.999 km WSW of Adak, AlaskaMon, Mar 22, 3:25 PM HADT · 2014 days ago · 59 km deep · 27 km away
19. 1.867 km SSW of Adak, AlaskaMon, Mar 22, 1:49 PM HADT · 2014 days ago · 29 km deep · 99 km away
20. 2.2151 km WSW of Adak, AlaskaMon, Mar 22, 1:40 PM HADT · 2014 days ago · 17 km deep · 30 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02144y73a6. Read Sun, Sep 27, 2026, 4:36 AM UTC.