M1.6 earthquake 108 km WSW of Adak, Alaska

Magnitude

1.6 (ml), micro

Local time

Sun, Mar 21, 2021, 9:52 AM HADT

UTC

2021-03-21 18:52:19 UTC

Depth

4.0 km (2.5 mi), shallow

Epicenter

51.499° N, 178.085° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

21

After

1. 3.081 km SW of Adak, AlaskaMon, Mar 22, 8:44 AM HADT · 2014 days ago · 55 km deep · 43 km away
2. 2.2151 km WSW of Adak, AlaskaMon, Mar 22, 1:40 PM HADT · 2014 days ago · 17 km deep · 45 km away
3. 1.867 km SSW of Adak, AlaskaMon, Mar 22, 1:49 PM HADT · 2014 days ago · 29 km deep · 76 km away
4. 1.999 km WSW of Adak, AlaskaMon, Mar 22, 3:25 PM HADT · 2014 days ago · 59 km deep · 10 km away
5. 1.787 km W of Adak, AlaskaMon, Mar 22, 8:41 PM HADT · 2014 days ago · 5 km deep · 43 km away
6. 1.839 km W of Adak, AlaskaMon, Mar 22, 9:24 PM HADT · 2014 days ago · 76 km deep · 73 km away
7. 1.9148 km WSW of Adak, AlaskaTue, Mar 23, 1:04 AM HADT · 2014 days ago · 30 km deep · 44 km away
8. 1.776 km W of Adak, AlaskaTue, Mar 23, 8:20 AM HADT · 2013 days ago · 13 km deep · 45 km away
9. 1.880 km W of Adak, AlaskaWed, Mar 24, 11:01 AM HADT · 2012 days ago · 9 km deep · 44 km away
10. 1.9107 km WSW of Adak, AlaskaWed, Mar 24, 3:46 PM HADT · 2012 days ago · 7 km deep · 5 km away
11. 1.9159 km WSW of Adak, AlaskaWed, Mar 24, 11:52 PM HADT · 2012 days ago · 19 km deep · 53 km away
12. 1.772 km SSW of Adak, AlaskaThu, Mar 25, 4:24 AM HADT · 2011 days ago · 32 km deep · 70 km away
13. 1.7126 km WSW of Adak, AlaskaThu, Mar 25, 6:59 AM HADT · 2011 days ago · 28 km deep · 21 km away
14. 1.872 km SSW of Adak, AlaskaThu, Mar 25, 4:35 PM HADT · 2011 days ago · 40 km deep · 65 km away
15. 1.763 km S of Adak, AlaskaSat, Mar 27, 6:48 AM HADT · 2009 days ago · 26 km deep · 98 km away
16. 3.154 km SSW of Adak, AlaskaSat, Mar 27, 5:13 PM HADT · 2009 days ago · 51 km deep · 73 km away
17. 1.937 km SW of Adak, AlaskaSat, Mar 27, 5:15 PM HADT · 2009 days ago · 55 km deep · 73 km away
18. 3.1207 km WSW of Adak, AlaskaSat, Mar 27, 7:40 PM HADT · 2009 days ago · 10 km deep · 100 km away
19. 2.694 km SW of Adak, AlaskaTue, Mar 30, 11:46 AM HADT · 2006 days ago · 33 km deep · 33 km away
20. 3.1181 km WSW of Adak, AlaskaTue, Mar 30, 12:03 PM HADT · 2006 days ago · 35 km deep · 73 km away
21. 2.047 km WSW of Adak, AlaskaTue, Mar 30, 3:20 PM HADT · 2006 days ago · 74 km deep · 63 km away
22. 1.975 km WSW of Adak, AlaskaTue, Mar 30, 6:38 PM HADT · 2006 days ago · 30 km deep · 36 km away
23. 1.8123 km WSW of Adak, AlaskaTue, Mar 30, 9:43 PM HADT · 2006 days ago · 7 km deep · 25 km away
24. 1.762 km SW of Adak, AlaskaThu, Apr 1, 6:51 PM HADT · 2004 days ago · 36 km deep · 65 km away
25. 2.7Andreanof Islands, Aleutian Islands, AlaskaThu, Apr 1, 11:10 PM HADT · 2004 days ago · 65 km deep · 43 km away
26. 1.9116 km SW of Adak, AlaskaFri, Apr 2, 5:34 PM HADT · 2003 days ago · 17 km deep · 35 km away
27. 3.0144 km W of Adak, AlaskaFri, Apr 2, 5:56 PM HADT · 2003 days ago · 183 km deep · 71 km away
28. 2.2203 km WSW of Adak, AKSun, Apr 4, 3:05 PM HADT · 2001 days ago · 66 km deep · 97 km away
29. 1.584 km WSW of Adak, AlaskaSun, Apr 4, 9:09 PM HADT · 2001 days ago · 43 km deep · 24 km away
30. 3.1127 km WSW of Adak, AlaskaMon, Apr 5, 4:55 AM HADT · 2000 days ago · 10 km deep · 22 km away
31. 3.2141 km WSW of Adak, AlaskaMon, Apr 5, 4:58 AM HADT · 2000 days ago · 10 km deep · 33 km away
32. 2.1107 km SSW of Adak, AlaskaTue, Apr 6, 6:26 AM HADT · 1999 days ago · 26 km deep · 99 km away
33. 1.680 km WSW of Adak, AlaskaTue, Apr 6, 9:00 AM HADT · 1999 days ago · 38 km deep · 30 km away
34. 2.050 km SW of Adak, AlaskaTue, Apr 6, 11:13 PM HADT · 1999 days ago · 42 km deep · 71 km away
35. 2.6137 km SW of Adak, AlaskaWed, Apr 7, 11:34 PM HADT · 1998 days ago · 10 km deep · 57 km away
36. 2.0119 km SW of Adak, AlaskaThu, Apr 8, 12:12 AM HADT · 1998 days ago · 13 km deep · 33 km away
37. 1.9109 km WSW of Adak, AlaskaThu, Apr 8, 3:52 AM HADT · 1997 days ago · 25 km deep · 4 km away
38. 2.565 km SSW of Adak, AlaskaThu, Apr 8, 2:10 PM HADT · 1997 days ago · 35 km deep · 82 km away
39. 2.965 km WSW of Adak, AlaskaFri, Apr 9, 5:31 AM HADT · 1996 days ago · 82 km deep · 44 km away
40. 3.5137 km SW of Adak, AlaskaSat, Apr 10, 7:50 PM HADT · 1995 days ago · 35 km deep · 45 km away
41. 1.998 km SW of Adak, AlaskaSun, Apr 11, 9:30 AM HADT · 1994 days ago · 22 km deep · 47 km away
42. 1.855 km SSW of Adak, AlaskaMon, Apr 12, 9:33 PM HADT · 1993 days ago · 45 km deep · 90 km away
43. 1.743 km SSW of Adak, AlaskaTue, Apr 13, 2:02 AM HADT · 1993 days ago · 50 km deep · 88 km away
44. 1.9102 km WSW of Adak, AlaskaWed, Apr 14, 1:46 PM HADT · 1991 days ago · 1 km deep · 6 km away
45. 1.719 km SW of Adak, AlaskaThu, Apr 15, 4:01 AM HADT · 1990 days ago · 11 km deep · 91 km away
46. 2.753 km SSW of Adak, AlaskaThu, Apr 15, 7:22 PM HADT · 1990 days ago · 36 km deep · 72 km away
47. 3.0204 km WSW of Adak, AlaskaFri, Apr 16, 2:11 PM HADT · 1989 days ago · 13 km deep · 98 km away
48. 1.7119 km WSW of Adak, AlaskaSat, Apr 17, 1:22 AM HADT · 1989 days ago · 17 km deep · 11 km away
49. 1.633 km SSW of Adak, AlaskaSat, Apr 17, 3:23 AM HADT · 1988 days ago · 51 km deep · 85 km away
50. 1.555 km SSW of Adak, AlaskaSat, Apr 17, 5:07 PM HADT · 1988 days ago · 19 km deep · 85 km away
51. 1.7135 km W of Adak, AlaskaSat, Apr 17, 5:15 PM HADT · 1988 days ago · 19 km deep · 50 km away
52. 1.552 km SSW of Adak, AlaskaSat, Apr 17, 6:16 PM HADT · 1988 days ago · 36 km deep · 72 km away
53. 1.7111 km WSW of Adak, AlaskaSat, Apr 17, 6:48 PM HADT · 1988 days ago · 17 km deep · 3 km away
54. 3.6120 km WSW of Adak, AlaskaSat, Apr 17, 10:27 PM HADT · 1988 days ago · 10 km deep · 13 km away
55. 1.5Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 17, 11:59 PM HADT · 1988 days ago · 39 km deep · 100 km away
56. 1.967 km SSW of Adak, AlaskaSun, Apr 18, 10:07 AM HADT · 1987 days ago · 44 km deep · 67 km away
57. 1.663 km S of Adak, AlaskaSun, Apr 18, 4:23 PM HADT · 1987 days ago · 25 km deep · 93 km away
58. 1.5134 km W of Adak, AlaskaSun, Apr 18, 7:51 PM HADT · 1987 days ago · 6 km deep · 39 km away
59. 2.7178 km WSW of Adak, AKSun, Apr 18, 9:33 PM HADT · 1987 days ago · 33 km deep · 71 km away
60. 1.5106 km WSW of Adak, AlaskaMon, Apr 19, 6:10 AM HADT · 1986 days ago · 13 km deep · 3 km away

The first 60 of 113.

Before

1. 1.7115 km WSW of Adak, AlaskaSun, Mar 21, 9:19 AM HADT · 2015 days ago · 8 km deep · 7 km away
2. 3.0131 km WSW of Adak, AlaskaFri, Mar 19, 5:25 AM HADT · 2017 days ago · 29 km deep · 26 km away
3. 1.959 km WSW of Adak, AlaskaFri, Mar 19, 3:50 AM HADT · 2017 days ago · 67 km deep · 49 km away
4. 1.992 km WSW of Adak, AlaskaWed, Mar 17, 12:19 PM HADT · 2019 days ago · 71 km deep · 18 km away
5. 1.758 km SSW of Adak, AlaskaWed, Mar 17, 9:31 AM HADT · 2019 days ago · 30 km deep · 71 km away
6. 2.2188 km WSW of Adak, AlaskaWed, Mar 17, 7:23 AM HADT · 2019 days ago · 6 km deep · 80 km away
7. 1.9130 km WSW of Adak, AlaskaTue, Mar 16, 11:11 AM HADT · 2020 days ago · 58 km deep · 30 km away
8. 1.555 km SSW of Adak, AlaskaTue, Mar 16, 6:52 AM HADT · 2020 days ago · 36 km deep · 70 km away
9. 1.9133 km WSW of Adak, AlaskaTue, Mar 16, 4:29 AM HADT · 2020 days ago · 4 km deep · 31 km away
10. 1.776 km WSW of Adak, AlaskaMon, Mar 15, 10:27 PM HADT · 2021 days ago · 13 km deep · 36 km away
11. 2.1140 km WSW of Adak, AlaskaMon, Mar 15, 7:59 PM HADT · 2021 days ago · 21 km deep · 37 km away
12. 1.633 km W of Adak, AlaskaMon, Mar 15, 3:58 PM HADT · 2021 days ago · 10 km deep · 79 km away
13. 2.567 km SSW of Adak, AlaskaMon, Mar 15, 9:36 AM HADT · 2021 days ago · 35 km deep · 83 km away
14. 3.0148 km SW of Adak, AlaskaMon, Mar 15, 2:14 AM HADT · 2022 days ago · 10 km deep · 51 km away
15. 1.871 km WSW of Adak, AlaskaSat, Mar 13, 1:38 PM HAST · 2023 days ago · 68 km deep · 39 km away
16. 2.074 km SSW of Adak, AlaskaFri, Mar 12, 7:22 PM HAST · 2024 days ago · 51 km deep · 68 km away
17. 1.7111 km WSW of Adak, AlaskaFri, Mar 12, 4:21 PM HAST · 2024 days ago · 13 km deep · 9 km away
18. 2.893 km SW of Adak, AlaskaFri, Mar 12, 1:09 PM HAST · 2024 days ago · 39 km deep · 36 km away
19. 1.853 km SSW of Adak, AlaskaFri, Mar 12, 12:33 AM HAST · 2025 days ago · 24 km deep · 84 km away
20. 1.5133 km W of Adak, AlaskaThu, Mar 11, 6:13 AM HAST · 2025 days ago · 7 km deep · 36 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0213om0r5o. Read Sat, Sep 26, 2026, 10:51 PM UTC.