M1.8 earthquake 53 km SSW of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Fri, Mar 12, 2021, 12:33 AM HAST

UTC

2021-03-12 10:33:57 UTC

Depth

24.4 km (15.2 mi), shallow

Epicenter

51.413° N, 176.876° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

19

After

1. 2.893 km SW of Adak, AlaskaFri, Mar 12, 1:09 PM HAST · 2026 days ago · 39 km deep · 55 km away
2. 1.7111 km WSW of Adak, AlaskaFri, Mar 12, 4:21 PM HAST · 2025 days ago · 13 km deep · 91 km away
3. 2.074 km SSW of Adak, AlaskaFri, Mar 12, 7:22 PM HAST · 2025 days ago · 51 km deep · 24 km away
4. 1.551 km SE of Adak, AlaskaSat, Mar 13, 2:15 AM HAST · 2025 days ago · 25 km deep · 48 km away
5. 1.871 km WSW of Adak, AlaskaSat, Mar 13, 1:38 PM HAST · 2025 days ago · 68 km deep · 64 km away
6. 2.567 km SSW of Adak, AlaskaMon, Mar 15, 9:36 AM HADT · 2023 days ago · 35 km deep · 14 km away
7. 1.633 km W of Adak, AlaskaMon, Mar 15, 3:58 PM HADT · 2022 days ago · 10 km deep · 54 km away
8. 1.776 km WSW of Adak, AlaskaMon, Mar 15, 10:27 PM HADT · 2022 days ago · 13 km deep · 49 km away
9. 1.555 km SSW of Adak, AlaskaTue, Mar 16, 6:52 AM HADT · 2022 days ago · 36 km deep · 15 km away
10. 1.951 km E of Adak, AlaskaTue, Mar 16, 1:13 PM HADT · 2022 days ago · 131 km deep · 82 km away
11. 1.758 km SSW of Adak, AlaskaWed, Mar 17, 9:31 AM HADT · 2021 days ago · 30 km deep · 13 km away
12. 1.992 km WSW of Adak, AlaskaWed, Mar 17, 12:19 PM HADT · 2021 days ago · 71 km deep · 76 km away
13. 1.565 km SE of Adak, AlaskaThu, Mar 18, 3:50 AM HADT · 2020 days ago · 13 km deep · 56 km away
14. 1.959 km WSW of Adak, AlaskaFri, Mar 19, 3:50 AM HADT · 2019 days ago · 67 km deep · 45 km away
15. 3.0131 km WSW of Adak, AlaskaFri, Mar 19, 5:25 AM HADT · 2019 days ago · 29 km deep · 100 km away
16. 3.192 km SE of Adak, AlaskaFri, Mar 19, 9:13 AM HADT · 2019 days ago · 32 km deep · 92 km away
17. 1.7115 km WSW of Adak, AlaskaSun, Mar 21, 9:19 AM HADT · 2017 days ago · 8 km deep · 90 km away
18. 1.6108 km WSW of Adak, AlaskaSun, Mar 21, 9:52 AM HADT · 2017 days ago · 4 km deep · 84 km away
19. 1.958 km E of Adak, AlaskaMon, Mar 22, 6:22 AM HADT · 2016 days ago · 79 km deep · 89 km away
20. 3.081 km SW of Adak, AlaskaMon, Mar 22, 8:44 AM HADT · 2016 days ago · 55 km deep · 43 km away
21. 1.637 km ESE of Adak, AlaskaMon, Mar 22, 10:32 AM HADT · 2016 days ago · 66 km deep · 60 km away
22. 1.867 km SSW of Adak, AlaskaMon, Mar 22, 1:49 PM HADT · 2016 days ago · 29 km deep · 15 km away
23. 1.999 km WSW of Adak, AlaskaMon, Mar 22, 3:25 PM HADT · 2015 days ago · 59 km deep · 80 km away
24. 1.787 km W of Adak, AlaskaMon, Mar 22, 8:41 PM HADT · 2015 days ago · 5 km deep · 88 km away
25. 1.839 km W of Adak, AlaskaMon, Mar 22, 9:24 PM HADT · 2015 days ago · 76 km deep · 55 km away
26. 1.776 km W of Adak, AlaskaTue, Mar 23, 8:20 AM HADT · 2015 days ago · 13 km deep · 77 km away
27. 2.3101 km SE of Adak, AlaskaWed, Mar 24, 5:14 AM HADT · 2014 days ago · 4 km deep · 96 km away
28. 1.880 km W of Adak, AlaskaWed, Mar 24, 11:01 AM HADT · 2014 days ago · 9 km deep · 81 km away
29. 1.9107 km WSW of Adak, AlaskaWed, Mar 24, 3:46 PM HADT · 2013 days ago · 7 km deep · 86 km away
30. 1.554 km S of Adak, AlaskaThu, Mar 25, 3:26 AM HADT · 2013 days ago · 25 km deep · 25 km away
31. 1.772 km SSW of Adak, AlaskaThu, Mar 25, 4:24 AM HADT · 2013 days ago · 32 km deep · 22 km away
32. 1.872 km SSW of Adak, AlaskaThu, Mar 25, 4:35 PM HADT · 2012 days ago · 40 km deep · 24 km away
33. 1.548 km S of Adak, AlaskaFri, Mar 26, 9:49 PM HADT · 2011 days ago · 28 km deep · 25 km away
34. 1.763 km S of Adak, AlaskaSat, Mar 27, 6:48 AM HADT · 2011 days ago · 26 km deep · 17 km away
35. 3.154 km SSW of Adak, AlaskaSat, Mar 27, 5:13 PM HADT · 2010 days ago · 51 km deep · 12 km away
36. 1.937 km SW of Adak, AlaskaSat, Mar 27, 5:15 PM HADT · 2010 days ago · 55 km deep · 31 km away
37. 2.045 km SE of Adak, AlaskaSun, Mar 28, 9:06 PM HADT · 2009 days ago · 46 km deep · 53 km away
38. 3.945 km S of Adak, AlaskaMon, Mar 29, 10:24 PM HADT · 2008 days ago · 47 km deep · 26 km away
39. 2.694 km SW of Adak, AlaskaTue, Mar 30, 11:46 AM HADT · 2008 days ago · 33 km deep · 57 km away
40. 2.047 km WSW of Adak, AlaskaTue, Mar 30, 3:20 PM HADT · 2007 days ago · 74 km deep · 52 km away
41. 2.051 km E of Adak, AlaskaTue, Mar 30, 3:52 PM HADT · 2007 days ago · 104 km deep · 91 km away
42. 1.975 km WSW of Adak, AlaskaTue, Mar 30, 6:38 PM HADT · 2007 days ago · 30 km deep · 49 km away
43. 1.980 km ESE of Adak, AlaskaTue, Mar 30, 8:57 PM HADT · 2007 days ago · 46 km deep · 89 km away
44. 1.860 km SE of Adak, AlaskaWed, Mar 31, 1:09 AM HADT · 2007 days ago · 34 km deep · 55 km away
45. 1.958 km SSE of Adak, AlaskaWed, Mar 31, 3:52 PM HADT · 2006 days ago · 23 km deep · 46 km away
46. 2.843 km SSE of Adak, AlaskaThu, Apr 1, 4:32 AM HADT · 2006 days ago · 40 km deep · 31 km away
47. 1.762 km SW of Adak, AlaskaThu, Apr 1, 6:51 PM HADT · 2005 days ago · 36 km deep · 20 km away
48. 2.7Andreanof Islands, Aleutian Islands, AlaskaThu, Apr 1, 11:10 PM HADT · 2005 days ago · 65 km deep · 43 km away
49. 2.125 km S of Adak, AlaskaFri, Apr 2, 6:44 AM HADT · 2005 days ago · 57 km deep · 33 km away
50. 2.916 km SSE of Adak, AlaskaFri, Apr 2, 8:02 AM HADT · 2005 days ago · 64 km deep · 44 km away
51. 1.9116 km SW of Adak, AlaskaFri, Apr 2, 5:34 PM HADT · 2004 days ago · 17 km deep · 76 km away
52. 1.852 km SSE of Adak, AlaskaSat, Apr 3, 2:44 PM HADT · 2004 days ago · 24 km deep · 28 km away
53. 1.584 km WSW of Adak, AlaskaSun, Apr 4, 9:09 PM HADT · 2002 days ago · 43 km deep · 63 km away
54. 1.681 km SE of Adak, AlaskaMon, Apr 5, 3:35 AM HADT · 2002 days ago · 25 km deep · 81 km away
55. 4.444 km SE of Adak, AlaskaTue, Apr 6, 12:02 AM HADT · 2001 days ago · 51 km deep · 46 km away · felt by 1
56. 1.972 km ESE of Adak, AlaskaTue, Apr 6, 2:25 AM HADT · 2001 days ago · 29 km deep · 79 km away
57. 2.1107 km SSW of Adak, AlaskaTue, Apr 6, 6:26 AM HADT · 2001 days ago · 26 km deep · 54 km away
58. 1.663 km SSE of Adak, AlaskaTue, Apr 6, 8:33 AM HADT · 2001 days ago · 22 km deep · 52 km away
59. 1.680 km WSW of Adak, AlaskaTue, Apr 6, 9:00 AM HADT · 2001 days ago · 38 km deep · 55 km away
60. 2.570 km ESE of Adak, AlaskaTue, Apr 6, 4:14 PM HADT · 2000 days ago · 23 km deep · 90 km away

The first 60 of 154.

Before

1. 2.00 km E of Adak, AlaskaThu, Mar 11, 7:09 PM HAST · 2026 days ago · 98 km deep · 54 km away
2. 1.845 km E of Adak, AlaskaThu, Mar 11, 1:13 AM HAST · 2027 days ago · 97 km deep · 84 km away
3. 1.6103 km WSW of Adak, AlaskaWed, Mar 10, 1:12 AM HAST · 2028 days ago · 5 km deep · 81 km away
4. 1.584 km W of Adak, AlaskaWed, Mar 10, 1:11 AM HAST · 2028 days ago · 8 km deep · 85 km away
5. 1.556 km E of Adak, AlaskaWed, Mar 10, 12:19 AM HAST · 2028 days ago · 47 km deep · 83 km away
6. 2.867 km SE of Adak, AlaskaWed, Mar 10, 12:01 AM HAST · 2028 days ago · 30 km deep · 60 km away
7. 1.5127 km WSW of Adak, AlaskaTue, Mar 9, 11:45 PM HAST · 2028 days ago · 18 km deep · 98 km away
8. 1.9130 km WSW of Adak, AlaskaMon, Mar 8, 10:44 PM HAST · 2029 days ago · 45 km deep · 98 km away
9. 1.972 km ESE of Adak, AlaskaMon, Mar 8, 7:05 PM HAST · 2029 days ago · 51 km deep · 79 km away
10. 3.1123 km WSW of Adak, AlaskaMon, Mar 8, 1:52 PM HAST · 2030 days ago · 30 km deep · 89 km away
11. 1.762 km SE of Adak, AlaskaMon, Mar 8, 4:19 AM HAST · 2030 days ago · 21 km deep · 54 km away
12. 1.7Andreanof Islands, Aleutian Islands, AlaskaMon, Mar 8, 4:04 AM HAST · 2030 days ago · 23 km deep · 52 km away
13. 2.8113 km WSW of Adak, AlaskaSat, Mar 6, 8:55 PM HAST · 2031 days ago · 17 km deep · 85 km away
14. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 6, 4:34 PM HAST · 2031 days ago · 20 km deep · 79 km away
15. 1.682 km SE of Adak, AlaskaSat, Mar 6, 5:37 AM HAST · 2032 days ago · 25 km deep · 83 km away
16. 3.522 km NNW of Adak, AlaskaFri, Mar 5, 8:22 PM HAST · 2032 days ago · 153 km deep · 71 km away
17. 2.537 km NE of Adak, AlaskaFri, Mar 5, 1:36 PM HAST · 2033 days ago · 110 km deep · 90 km away
18. 1.952 km SSW of Adak, AlaskaFri, Mar 5, 12:22 PM HAST · 2033 days ago · 37 km deep · 3 km away
19. 3.549 km SSW of Adak, AlaskaThu, Mar 4, 2:39 AM HAST · 2034 days ago · 38 km deep · 6 km away
20. 2.655 km SSW of Adak, AlaskaWed, Mar 3, 1:08 PM HAST · 2035 days ago · 35 km deep · 8 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02139lb66g. Read Mon, Sep 28, 2026, 11:45 AM UTC.