M1.6 earthquake 64 km WSW of Adak, Alaska

Magnitude

1.6 (ml), micro

Local time

Mon, Aug 15, 2022, 5:03 PM HADT

UTC

2022-08-16 02:03:56 UTC

Depth

14.7 km (9.1 mi), shallow

Epicenter

51.705° N, 177.522° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

211°, poorly surrounded by stations

Stations used

10

After

1. 1.643 km SE of Adak, AlaskaMon, Aug 15, 6:18 PM HADT · 1506 days ago · 52 km deep · 98 km away
2. 1.6133 km WSW of Adak, AlaskaTue, Aug 16, 12:53 AM HADT · 1506 days ago · 46 km deep · 73 km away
3. 1.5107 km WSW of Adak, AlaskaTue, Aug 16, 2:29 AM HADT · 1505 days ago · 18 km deep · 46 km away
4. 1.672 km SW of Adak, AlaskaTue, Aug 16, 8:23 AM HADT · 1505 days ago · 32 km deep · 22 km away
5. 1.661 km WSW of Adak, AlaskaTue, Aug 16, 12:17 PM HADT · 1505 days ago · 17 km deep · 6 km away
6. 1.8101 km WSW of Adak, AlaskaTue, Aug 16, 12:37 PM HADT · 1505 days ago · 56 km deep · 40 km away
7. 1.584 km WSW of Adak, AlaskaWed, Aug 17, 5:31 AM HADT · 1504 days ago · 56 km deep · 23 km away
8. 1.529 km SSW of Adak, AlaskaWed, Aug 17, 3:25 PM HADT · 1504 days ago · 64 km deep · 50 km away
9. 1.561 km SSW of Adak, AlaskaWed, Aug 17, 9:48 PM HADT · 1504 days ago · 34 km deep · 56 km away
10. 1.644 km SSE of Adak, AlaskaSat, Aug 20, 12:47 PM HADT · 1501 days ago · 27 km deep · 84 km away
11. 1.761 km SW of Adak, AlaskaSun, Aug 21, 12:31 AM HADT · 1501 days ago · 46 km deep · 40 km away
12. 3.154 km SSW of Adak, AlaskaSun, Aug 21, 3:54 AM HADT · 1500 days ago · 35 km deep · 44 km away
13. 1.6136 km SW of Adak, AlaskaSun, Aug 21, 1:35 PM HADT · 1500 days ago · 21 km deep · 79 km away
14. 1.6106 km SSW of Adak, AlaskaSun, Aug 21, 8:49 PM HADT · 1500 days ago · 18 km deep · 94 km away
15. 1.776 km SW of Adak, AlaskaSun, Aug 21, 11:55 PM HADT · 1500 days ago · 31 km deep · 26 km away
16. 1.650 km SW of Adak, AlaskaMon, Aug 22, 12:49 AM HADT · 1500 days ago · 33 km deep · 28 km away
17. 3.593 km SW of Adak, AlaskaMon, Aug 22, 9:48 AM HADT · 1499 days ago · 60 km deep · 38 km away
18. 3.2141 km WSW of Adak, AlaskaMon, Aug 22, 4:43 PM HADT · 1499 days ago · 41 km deep · 77 km away
19. 2.3102 km W of Adak, AlaskaMon, Aug 22, 10:06 PM HADT · 1499 days ago · 204 km deep · 44 km away
20. 3.273 km W of Adak, AlaskaTue, Aug 23, 6:54 AM HADT · 1498 days ago · 107 km deep · 21 km away
21. 2.7138 km WNW of Adak, AlaskaTue, Aug 23, 2:41 PM HADT · 1498 days ago · 167 km deep · 90 km away
22. 1.587 km WSW of Adak, AlaskaTue, Aug 23, 5:52 PM HADT · 1498 days ago · 5 km deep · 26 km away
23. 1.774 km SW of Adak, AlaskaWed, Aug 24, 12:09 PM HADT · 1497 days ago · 35 km deep · 24 km away
24. 1.655 km SSE of Adak, AlaskaWed, Aug 24, 12:19 PM HADT · 1497 days ago · 24 km deep · 87 km away
25. 1.7113 km WSW of Adak, AlaskaWed, Aug 24, 3:07 PM HADT · 1497 days ago · 48 km deep · 52 km away
26. 1.7100 km WSW of Adak, AlaskaWed, Aug 24, 6:46 PM HADT · 1497 days ago · 26 km deep · 39 km away
27. 1.546 km SW of Adak, AlaskaThu, Aug 25, 12:42 AM HADT · 1497 days ago · 48 km deep · 33 km away
28. 1.6Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 25, 11:39 AM HADT · 1496 days ago · 29 km deep · 21 km away
29. 3.5Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 25, 8:56 PM HADT · 1496 days ago · 34 km deep · 61 km away
30. 1.541 km SSE of Adak, AlaskaFri, Aug 26, 12:53 AM HADT · 1496 days ago · 31 km deep · 83 km away
31. 1.9155 km WSW of Adak, AlaskaFri, Aug 26, 9:43 AM HADT · 1495 days ago · 60 km deep · 92 km away
32. 2.671 km S of Adak, AlaskaFri, Aug 26, 10:43 AM HADT · 1495 days ago · 27 km deep · 75 km away
33. 1.564 km SSW of Adak, AlaskaFri, Aug 26, 1:40 PM HADT · 1495 days ago · 35 km deep · 52 km away
34. 1.5113 km WSW of Adak, AlaskaFri, Aug 26, 4:11 PM HADT · 1495 days ago · 28 km deep · 50 km away
35. 1.652 km S of Adak, AlaskaFri, Aug 26, 7:26 PM HADT · 1495 days ago · 26 km deep · 75 km away
36. 2.599 km SW of Adak, AlaskaFri, Aug 26, 8:43 PM HADT · 1495 days ago · 50 km deep · 42 km away
37. 1.8129 km WSW of Adak, AlaskaFri, Aug 26, 10:31 PM HADT · 1495 days ago · 24 km deep · 67 km away
38. 1.7124 km WSW of Adak, AlaskaSat, Aug 27, 1:56 AM HADT · 1495 days ago · 74 km deep · 60 km away
39. 1.640 km SW of Adak, AlaskaSat, Aug 27, 12:11 PM HADT · 1494 days ago · 47 km deep · 31 km away
40. 1.880 km W of Adak, AlaskaSat, Aug 27, 5:43 PM HADT · 1494 days ago · 5 km deep · 25 km away
41. 1.653 km SSW of Adak, AlaskaSat, Aug 27, 8:13 PM HADT · 1494 days ago · 34 km deep · 43 km away
42. 3.044 km SSE of Adak, AlaskaSun, Aug 28, 2:46 AM HADT · 1493 days ago · 39 km deep · 85 km away
43. 1.580 km WSW of Adak, AlaskaSun, Aug 28, 4:50 AM HADT · 1493 days ago · 60 km deep · 20 km away
44. 1.7143 km WSW of Adak, AlaskaSun, Aug 28, 5:02 AM HADT · 1493 days ago · 72 km deep · 80 km away
45. 1.8117 km WSW of Adak, AlaskaSun, Aug 28, 6:08 AM HADT · 1493 days ago · 27 km deep · 57 km away
46. 1.657 km SSE of Adak, AlaskaSun, Aug 28, 7:47 AM HADT · 1493 days ago · 21 km deep · 89 km away
47. 1.8135 km W of Adak, AlaskaSun, Aug 28, 3:00 PM HADT · 1493 days ago · 99 km deep · 77 km away
48. 1.760 km SSE of Adak, AlaskaSun, Aug 28, 4:33 PM HADT · 1493 days ago · 5 km deep · 85 km away
49. 1.921 km S of Adak, AlaskaSun, Aug 28, 10:25 PM HADT · 1493 days ago · 61 km deep · 60 km away
50. 1.641 km S of Adak, AlaskaMon, Aug 29, 3:53 AM HADT · 1492 days ago · 33 km deep · 60 km away
51. 1.685 km WSW of Adak, AlaskaMon, Aug 29, 5:17 AM HADT · 1492 days ago · 61 km deep · 24 km away
52. 1.675 km SSW of Adak, AlaskaMon, Aug 29, 8:18 AM HADT · 1492 days ago · 47 km deep · 53 km away
53. 1.5Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 30, 7:00 AM HADT · 1491 days ago · 29 km deep · 86 km away
54. 1.664 km SSW of Adak, AlaskaThu, Sep 1, 12:20 AM HADT · 1490 days ago · 39 km deep · 62 km away
55. 1.7126 km WSW of Adak, AlaskaThu, Sep 1, 12:48 AM HADT · 1490 days ago · 25 km deep · 64 km away
56. 1.959 km WSW of Adak, AlaskaThu, Sep 1, 8:00 AM HADT · 1489 days ago · 66 km deep · 13 km away
57. 4.721 km SSW of Adak, AlaskaThu, Sep 1, 5:45 PM HADT · 1489 days ago · 58 km deep · 51 km away · felt by 3
58. 3.845 km S of Adak, AlaskaThu, Sep 1, 5:56 PM HADT · 1489 days ago · 35 km deep · 65 km away
59. 1.539 km S of Adak, AlaskaThu, Sep 1, 6:07 PM HADT · 1489 days ago · 37 km deep · 66 km away
60. 1.639 km S of Adak, AlaskaThu, Sep 1, 6:25 PM HADT · 1489 days ago · 33 km deep · 63 km away

The first 60 of at least 199.

Before

1. 1.513 km NNW of Adak, AlaskaMon, Aug 15, 9:46 AM HADT · 1506 days ago · 173 km deep · 62 km away
2. 1.670 km SSE of Adak, AlaskaMon, Aug 15, 2:24 AM HADT · 1506 days ago · 21 km deep · 91 km away
3. 2.8114 km W of Adak, AlaskaSun, Aug 14, 4:40 PM HADT · 1507 days ago · 99 km deep · 52 km away
4. 1.664 km WSW of Adak, AlaskaSun, Aug 14, 4:12 PM HADT · 1507 days ago · 13 km deep · 4 km away
5. 1.6128 km SW of Adak, AlaskaSun, Aug 14, 12:30 PM HADT · 1507 days ago · 25 km deep · 71 km away
6. 1.6148 km WSW of Adak, AlaskaSun, Aug 14, 10:31 AM HADT · 1507 days ago · 20 km deep · 87 km away
7. 1.7158 km WSW of Adak, AlaskaSun, Aug 14, 7:42 AM HADT · 1507 days ago · 74 km deep · 95 km away
8. 2.661 km S of Adak, AlaskaFri, Aug 12, 7:37 AM HADT · 1509 days ago · 37 km deep · 81 km away
9. 1.64 km NNW of Adak, AlaskaThu, Aug 11, 8:52 AM HADT · 1510 days ago · 153 km deep · 64 km away
10. 1.863 km WSW of Adak, AlaskaThu, Aug 11, 4:10 AM HADT · 1510 days ago · 92 km deep · 6 km away
11. 1.524 km SSW of Adak, AlaskaWed, Aug 10, 11:57 PM HADT · 1511 days ago · 66 km deep · 52 km away
12. 2.6132 km SW of Adak, AlaskaWed, Aug 10, 7:58 PM HADT · 1511 days ago · 35 km deep · 73 km away
13. 2.162 km SW of Adak, AlaskaWed, Aug 10, 4:01 PM HADT · 1511 days ago · 44 km deep · 32 km away
14. 3.351 km SE of Adak, AlaskaWed, Aug 10, 3:04 PM HADT · 1511 days ago · 35 km deep · 97 km away
15. 1.7134 km WSW of Adak, AlaskaWed, Aug 10, 7:29 AM HADT · 1511 days ago · 25 km deep · 71 km away
16. 1.744 km SW of Adak, AlaskaWed, Aug 10, 2:41 AM HADT · 1511 days ago · 60 km deep · 37 km away
17. 1.659 km WSW of Adak, AlaskaTue, Aug 9, 7:24 AM HADT · 1512 days ago · 12 km deep · 6 km away
18. 1.9150 km WSW of Adak, AlaskaTue, Aug 9, 5:14 AM HADT · 1512 days ago · 24 km deep · 88 km away
19. 2.8154 km WSW of Adak, AlaskaTue, Aug 9, 3:25 AM HADT · 1512 days ago · 32 km deep · 93 km away
20. 2.9155 km SW of Adak, AlaskaTue, Aug 9, 12:12 AM HADT · 1513 days ago · 35 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91662936. Read Tue, Sep 29, 2026, 10:40 PM UTC.