M1.9 earthquake 23 km N of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Aug 21, 2016, 8:25 PM HADT

UTC

2016-08-22 05:25:14 UTC

Depth

88.7 km (55.1 mi), intermediate-depth

Epicenter

52.087° N, 176.594° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

14

After

1. 1.742 km SSE of Adak, AlaskaSun, Aug 21, 11:20 PM HADT · 3695 days ago · 37 km deep · 63 km away
2. 1.624 km SSW of Adak, AlaskaMon, Aug 22, 1:46 PM HADT · 3694 days ago · 21 km deep · 48 km away
3. 1.747 km SSW of Adak, AlaskaTue, Aug 23, 10:55 PM HADT · 3693 days ago · 36 km deep · 70 km away
4. 2.547 km NE of Adak, AlaskaWed, Aug 24, 6:42 PM HADT · 3692 days ago · 225 km deep · 32 km away
5. 1.635 km S of Adak, AlaskaThu, Aug 25, 10:28 AM HADT · 3691 days ago · 38 km deep · 59 km away
6. 2.281 km E of Adak, AlaskaFri, Aug 26, 2:51 PM HADT · 3690 days ago · 56 km deep · 85 km away
7. 2.046 km NE of Adak, AlaskaFri, Aug 26, 4:04 PM HADT · 3690 days ago · 137 km deep · 32 km away
8. 1.884 km WSW of Adak, AlaskaFri, Aug 26, 10:41 PM HADT · 3690 days ago · 68 km deep · 97 km away
9. 3.040 km SSW of Adak, AlaskaSat, Aug 27, 3:13 PM HADT · 3689 days ago · 47 km deep · 64 km away
10. 1.736 km SSE of Adak, AlaskaMon, Aug 29, 1:54 AM HADT · 3687 days ago · 42 km deep · 58 km away
11. 2.054 km SSE of Adak, AlaskaMon, Aug 29, 9:15 AM HADT · 3687 days ago · 21 km deep · 77 km away
12. 2.075 km WSW of Adak, AlaskaTue, Aug 30, 10:32 AM HADT · 3686 days ago · 31 km deep · 92 km away
13. 2.013 km ENE of Adak, AlaskaTue, Aug 30, 12:03 PM HADT · 3686 days ago · 99 km deep · 18 km away
14. 2.439 km SSE of Adak, AlaskaWed, Aug 31, 4:02 PM HADT · 3685 days ago · 32 km deep · 62 km away
15. 1.640 km W of Adak, AlaskaThu, Sep 1, 6:05 AM HADT · 3684 days ago · 69 km deep · 50 km away
16. 1.865 km SE of Adak, AlaskaFri, Sep 2, 2:05 PM HADT · 3683 days ago · 30 km deep · 83 km away
17. 1.752 km SSE of Adak, AlaskaSun, Sep 4, 8:11 AM HADT · 3681 days ago · 24 km deep · 73 km away
18. 2.369 km NE of Adak, AlaskaThu, Sep 8, 12:52 PM HADT · 3677 days ago · 225 km deep · 50 km away
19. 1.623 km SSE of Adak, AlaskaThu, Sep 8, 10:12 PM HADT · 3677 days ago · 62 km deep · 46 km away
20. 1.860 km SE of Adak, AlaskaThu, Sep 8, 10:47 PM HADT · 3677 days ago · 3 km deep · 80 km away
21. 2.052 km SSE of Adak, AlaskaFri, Sep 9, 1:37 AM HADT · 3676 days ago · 26 km deep · 72 km away
22. 2.453 km SE of Adak, AlaskaSat, Sep 10, 12:09 AM HADT · 3676 days ago · 45 km deep · 70 km away
23. 2.432 km SSW of Adak, AlaskaSat, Sep 10, 2:13 PM HADT · 3675 days ago · 52 km deep · 55 km away
24. 1.972 km WSW of Adak, AlaskaSun, Sep 11, 3:54 PM HADT · 3674 days ago · 71 km deep · 85 km away
25. 1.720 km SW of Adak, AlaskaMon, Sep 12, 11:22 PM HADT · 3673 days ago · 66 km deep · 42 km away
26. 1.977 km WSW of Adak, AlaskaMon, Sep 12, 11:35 PM HADT · 3673 days ago · 63 km deep · 88 km away
27. 1.653 km SE of Adak, AlaskaTue, Sep 13, 7:26 AM HADT · 3672 days ago · 2 km deep · 72 km away
28. 1.760 km SSE of Adak, AlaskaWed, Sep 14, 8:38 AM HADT · 3671 days ago · 16 km deep · 80 km away
29. 2.971 km WSW of Atka, AlaskaThu, Sep 15, 3:17 AM HADT · 3670 days ago · 71 km deep · 94 km away
30. 1.875 km WSW of Adak, AlaskaThu, Sep 15, 4:23 AM HADT · 3670 days ago · 40 km deep · 92 km away
31. 2.075 km SE of Adak, AlaskaSat, Sep 17, 1:17 PM HADT · 3668 days ago · 23 km deep · 89 km away
32. 3.271 km W of Atka, AlaskaSat, Sep 17, 8:55 PM HADT · 3668 days ago · 220 km deep · 96 km away
33. 2.965 km NE of Adak, AlaskaSat, Sep 17, 9:08 PM HADT · 3668 days ago · 238 km deep · 51 km away
34. 2.351 km NE of Adak, AlaskaSun, Sep 18, 7:26 AM HADT · 3667 days ago · 154 km deep · 37 km away
35. 2.080 km WSW of Adak, AlaskaSun, Sep 18, 8:46 PM HADT · 3667 days ago · 43 km deep · 96 km away
36. 1.670 km WSW of Adak, AlaskaSun, Sep 18, 9:42 PM HADT · 3667 days ago · 27 km deep · 86 km away
37. 2.719 km WSW of Adak, AlaskaMon, Sep 19, 11:31 AM HADT · 3666 days ago · 27 km deep · 38 km away
38. 1.888 km E of Adak, AlaskaWed, Sep 21, 8:28 PM HADT · 3664 days ago · 55 km deep · 92 km away
39. 3.14 km ESE of Adak, AlaskaThu, Sep 22, 1:19 PM HADT · 3663 days ago · 72 km deep · 26 km away
40. 1.846 km SW of Adak, AlaskaFri, Sep 23, 3:46 AM HADT · 3662 days ago · 44 km deep · 67 km away
41. 1.731 km S of Adak, AlaskaFri, Sep 23, 4:00 PM HADT · 3662 days ago · 42 km deep · 56 km away
42. 2.640 km S of Adak, AlaskaFri, Sep 23, 5:54 PM HADT · 3662 days ago · 42 km deep · 64 km away
43. 2.770 km NE of Adak, AlaskaSat, Sep 24, 9:22 AM HADT · 3661 days ago · 226 km deep · 58 km away
44. 2.033 km SSE of Adak, AlaskaSat, Sep 24, 11:19 AM HADT · 3661 days ago · 41 km deep · 55 km away
45. 1.669 km SW of Adak, AlaskaTue, Sep 27, 3:00 AM HADT · 3658 days ago · 35 km deep · 88 km away
46. 2.140 km ENE of Adak, AlaskaTue, Sep 27, 6:10 AM HADT · 3658 days ago · 133 km deep · 37 km away
47. 1.579 km WSW of Adak, AlaskaTue, Sep 27, 10:55 PM HADT · 3658 days ago · 32 km deep · 91 km away
48. 2.756 km SE of Adak, AlaskaWed, Sep 28, 8:46 AM HADT · 3657 days ago · 34 km deep · 76 km away
49. 2.154 km WSW of Adak, AlaskaWed, Sep 28, 8:59 AM HADT · 3657 days ago · 90 km deep · 67 km away
50. 1.933 km SSE of Adak, AlaskaThu, Sep 29, 6:45 AM HADT · 3656 days ago · 36 km deep · 56 km away
51. 1.728 km WSW of Adak, AlaskaThu, Sep 29, 8:29 AM HADT · 3656 days ago · 68 km deep · 47 km away
52. 3.056 km ENE of Adak, AlaskaThu, Sep 29, 2:42 PM HADT · 3656 days ago · 149 km deep · 49 km away
53. 2.269 km E of Adak, AlaskaThu, Sep 29, 3:18 PM HADT · 3656 days ago · 34 km deep · 74 km away
54. 1.528 km SSW of Adak, AlaskaFri, Sep 30, 1:54 PM HADT · 3655 days ago · 54 km deep · 52 km away
55. 2.044 km E of Adak, AlaskaSat, Oct 1, 7:54 AM HADT · 3654 days ago · 69 km deep · 50 km away
56. 3.427 km SW of Adak, AlaskaSat, Oct 1, 8:52 AM HADT · 3654 days ago · 15 km deep · 47 km away
57. 1.627 km SW of Adak, AlaskaSun, Oct 2, 2:40 AM HADT · 3653 days ago · 14 km deep · 47 km away
58. 1.643 km ESE of Adak, AlaskaMon, Oct 3, 3:50 AM HADT · 3652 days ago · 14 km deep · 57 km away
59. 1.544 km S of Adak, AlaskaTue, Oct 4, 10:07 AM HADT · 3651 days ago · 43 km deep · 68 km away
60. 1.874 km SE of Adak, AlaskaTue, Oct 4, 12:46 PM HADT · 3651 days ago · 11 km deep · 89 km away

The first 60 of 78.

Before

1. 2.536 km NE of Adak, AlaskaSat, Aug 20, 6:17 PM HADT · 3696 days ago · 144 km deep · 27 km away
2. 1.658 km WSW of Adak, AlaskaSat, Aug 20, 7:44 AM HADT · 3696 days ago · 68 km deep · 73 km away
3. 1.640 km ESE of Adak, AlaskaSat, Aug 20, 4:17 AM HADT · 3696 days ago · 61 km deep · 49 km away
4. 1.680 km E of Adak, AlaskaThu, Aug 18, 7:42 PM HADT · 3698 days ago · 61 km deep · 82 km away
5. 3.049 km ESE of Adak, AlaskaThu, Aug 18, 10:39 AM HADT · 3698 days ago · 56 km deep · 63 km away
6. 3.076 km SE of Adak, AlaskaTue, Aug 16, 5:29 AM HADT · 3700 days ago · 44 km deep · 91 km away
7. 1.868 km SE of Adak, AlaskaMon, Aug 15, 7:30 PM HADT · 3701 days ago · 54 km deep · 82 km away
8. 1.775 km ESE of Adak, AlaskaMon, Aug 15, 3:45 PM HADT · 3701 days ago · 58 km deep · 84 km away
9. 1.640 km SSW of Adak, AlaskaMon, Aug 15, 1:20 PM HADT · 3701 days ago · 56 km deep · 63 km away
10. 1.635 km SSW of Adak, AlaskaMon, Aug 15, 1:17 PM HADT · 3701 days ago · 58 km deep · 58 km away
11. 1.848 km SSE of Adak, AlaskaMon, Aug 15, 9:36 AM HADT · 3701 days ago · 22 km deep · 71 km away
12. 1.860 km SW of Adak, AlaskaMon, Aug 15, 1:20 AM HADT · 3701 days ago · 42 km deep · 82 km away
13. 1.875 km E of Adak, AlaskaSun, Aug 14, 3:34 PM HADT · 3702 days ago · 69 km deep · 74 km away
14. 1.660 km SSE of Adak, AlaskaSun, Aug 14, 2:43 AM HADT · 3702 days ago · 26 km deep · 81 km away
15. 1.774 km SW of Adak, AlaskaSat, Aug 13, 7:12 PM HADT · 3703 days ago · 41 km deep · 93 km away
16. 1.873 km WSW of Adak, AlaskaSat, Aug 13, 5:51 PM HADT · 3703 days ago · 70 km deep · 84 km away
17. 2.241 km SE of Adak, AlaskaFri, Aug 12, 11:29 AM HADT · 3704 days ago · 37 km deep · 61 km away
18. 2.625 km SW of Adak, AlaskaFri, Aug 12, 8:14 AM HADT · 3704 days ago · 55 km deep · 47 km away
19. 2.352 km SSE of Adak, AlaskaThu, Aug 11, 7:20 PM HADT · 3705 days ago · 26 km deep · 75 km away
20. 1.983 km SE of Adak, AlaskaThu, Aug 11, 10:02 AM HADT · 3705 days ago · 15 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak016asqf443. Read Sat, Oct 3, 2026, 8:52 PM UTC.