M1.6 earthquake 93 km W of Adak, Alaska

Magnitude

1.6 (ml), micro

Local time

Fri, Oct 28, 2022, 8:21 AM HADT

UTC

2022-10-28 17:21:08 UTC

Depth

4.7 km (2.9 mi), shallow

Epicenter

51.861° N, 177.996° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

145°

Stations used

4

After

1. 2.1100 km WSW of Adak, AlaskaFri, Oct 28, 6:34 PM HADT · 1433 days ago · 13 km deep · 45 km away
2. 2.3140 km WSW of Adak, AlaskaSat, Oct 29, 3:06 AM HADT · 1432 days ago · 63 km deep · 62 km away
3. 3.191 km SW of Adak, AlaskaSat, Oct 29, 5:47 AM HADT · 1432 days ago · 35 km deep · 53 km away
4. 1.887 km SW of Adak, AlaskaSat, Oct 29, 5:49 AM HADT · 1432 days ago · 25 km deep · 52 km away
5. 1.892 km WSW of Adak, AlaskaSat, Oct 29, 11:01 AM HADT · 1432 days ago · 17 km deep · 49 km away
6. 2.663 km SSW of Adak, AlaskaSun, Oct 30, 1:35 AM HADT · 1432 days ago · 35 km deep · 84 km away
7. 1.9103 km WSW of Adak, AlaskaSun, Oct 30, 4:42 AM HADT · 1431 days ago · 70 km deep · 31 km away
8. 1.7130 km WSW of Adak, AlaskaSun, Oct 30, 5:31 AM HADT · 1431 days ago · 13 km deep · 48 km away
9. 1.888 km SW of Adak, AlaskaSun, Oct 30, 4:03 PM HADT · 1431 days ago · 26 km deep · 51 km away
10. 1.5100 km WSW of Adak, AlaskaMon, Oct 31, 12:37 AM HADT · 1431 days ago · 38 km deep · 51 km away
11. 1.595 km W of Adak, AlaskaMon, Oct 31, 1:00 AM HADT · 1431 days ago · 19 km deep · 11 km away
12. 3.4Andreanof Islands, Aleutian Islands, AlaskaMon, Oct 31, 1:16 AM HADT · 1431 days ago · 32 km deep · 72 km away
13. 1.7142 km WSW of Adak, AlaskaMon, Oct 31, 4:44 AM HADT · 1430 days ago · 24 km deep · 67 km away
14. 1.777 km SW of Adak, AlaskaMon, Oct 31, 6:08 AM HADT · 1430 days ago · 15 km deep · 54 km away
15. 1.972 km SSW of Adak, AlaskaMon, Oct 31, 5:06 PM HADT · 1430 days ago · 29 km deep · 91 km away
16. 3.1147 km WSW of Adak, AlaskaMon, Oct 31, 7:25 PM HADT · 1430 days ago · 35 km deep · 79 km away
17. 1.5Andreanof Islands, Aleutian Islands, AlaskaWed, Nov 2, 7:49 PM HADT · 1428 days ago · 3 km deep · 9 km away
18. 2.955 km SSW of Adak, AlaskaThu, Nov 3, 5:00 AM HADT · 1427 days ago · 35 km deep · 91 km away
19. 1.984 km SW of Adak, AlaskaThu, Nov 3, 11:52 AM HADT · 1427 days ago · 37 km deep · 55 km away
20. 2.1155 km WSW of Adak, AlaskaThu, Nov 3, 2:54 PM HADT · 1427 days ago · 26 km deep · 87 km away
21. 2.6158 km SW of Adak, AlaskaThu, Nov 3, 4:40 PM HADT · 1427 days ago · 27 km deep · 94 km away
22. 1.9114 km WSW of Adak, AlaskaFri, Nov 4, 12:08 AM HADT · 1427 days ago · 19 km deep · 49 km away
23. 1.6Andreanof Islands, Aleutian Islands, AlaskaFri, Nov 4, 3:47 AM HADT · 1426 days ago · 26 km deep · 48 km away
24. 1.745 km WSW of Adak, AlaskaFri, Nov 4, 6:41 AM HADT · 1426 days ago · 80 km deep · 56 km away
25. 2.5165 km WSW of Adak, AlaskaFri, Nov 4, 8:13 AM HADT · 1426 days ago · 32 km deep · 87 km away
26. 1.989 km W of Adak, AlaskaSat, Nov 5, 6:31 AM HADT · 1425 days ago · 5 km deep · 5 km away
27. 2.1Andreanof Islands, Aleutian Islands, AlaskaSat, Nov 5, 10:11 AM HADT · 1425 days ago · 21 km deep · 49 km away
28. 1.690 km W of Adak, AlaskaSun, Nov 6, 2:12 AM HAST · 1424 days ago · 6 km deep · 3 km away
29. 2.025 km SW of Adak, AlaskaSun, Nov 6, 3:09 AM HAST · 1424 days ago · 67 km deep · 81 km away
30. 3.2180 km W of Adak, AlaskaSun, Nov 6, 8:03 AM HAST · 1424 days ago · 139 km deep · 87 km away
31. 1.982 km SW of Adak, AlaskaSun, Nov 6, 2:12 PM HAST · 1424 days ago · 26 km deep · 58 km away
32. 1.620 km S of Adak, AlaskaSun, Nov 6, 8:13 PM HAST · 1424 days ago · 68 km deep · 98 km away
33. 2.298 km WSW of Adak, AlaskaMon, Nov 7, 5:35 PM HAST · 1423 days ago · 21 km deep · 41 km away
34. 2.193 km W of Adak, AlaskaTue, Nov 8, 11:57 AM HAST · 1422 days ago · 7 km deep · 1 km away
35. 1.694 km W of Adak, AlaskaTue, Nov 8, 12:43 PM HAST · 1422 days ago · 7 km deep · 1 km away
36. 2.2106 km WSW of Adak, AlaskaTue, Nov 8, 2:35 PM HAST · 1422 days ago · 37 km deep · 49 km away
37. 2.286 km SW of Adak, AlaskaTue, Nov 8, 6:26 PM HAST · 1422 days ago · 52 km deep · 64 km away
38. 1.6120 km WSW of Adak, AlaskaWed, Nov 9, 1:47 AM HAST · 1421 days ago · 13 km deep · 40 km away
39. 3.0157 km WSW of Adak, AlaskaWed, Nov 9, 2:09 AM HAST · 1421 days ago · 15 km deep · 71 km away
40. 4.0112 km SW of Adak, AlaskaWed, Nov 9, 6:57 AM HAST · 1421 days ago · 35 km deep · 71 km away
41. 2.0137 km WSW of Adak, AlaskaWed, Nov 9, 7:34 AM HAST · 1421 days ago · 21 km deep · 74 km away
42. 2.386 km WSW of Adak, AlaskaFri, Nov 11, 2:07 PM HAST · 1419 days ago · 32 km deep · 47 km away
43. 2.4179 km WSW of Adak, AlaskaFri, Nov 11, 10:00 PM HAST · 1419 days ago · 25 km deep · 93 km away
44. 1.8108 km WSW of Adak, AlaskaSat, Nov 12, 12:26 AM HAST · 1419 days ago · 3 km deep · 32 km away
45. 1.973 km SSW of Adak, AlaskaSat, Nov 12, 3:51 PM HAST · 1418 days ago · 21 km deep · 90 km away
46. 2.290 km W of Adak, AlaskaSat, Nov 12, 7:47 PM HAST · 1418 days ago · 96 km deep · 6 km away
47. 1.820 km S of Adak, AlaskaSun, Nov 13, 2:09 AM HAST · 1417 days ago · 78 km deep · 97 km away
48. 2.583 km WSW of Adak, AlaskaSun, Nov 13, 5:09 PM HAST · 1417 days ago · 72 km deep · 37 km away
49. 2.1Andreanof Islands, Aleutian Islands, AlaskaMon, Nov 14, 1:28 AM HAST · 1417 days ago · 8 km deep · 75 km away
50. 1.9122 km SW of Adak, AlaskaMon, Nov 14, 5:11 AM HAST · 1416 days ago · 21 km deep · 70 km away
51. 1.689 km W of Adak, AlaskaMon, Nov 14, 5:44 AM HAST · 1416 days ago · 5 km deep · 5 km away
52. 4.2137 km WNW of Adak, AlaskaMon, Nov 14, 6:15 AM HAST · 1416 days ago · 162 km deep · 53 km away
53. 1.691 km W of Adak, AlaskaMon, Nov 14, 8:47 AM HAST · 1416 days ago · 4 km deep · 2 km away
54. 3.886 km WSW of Adak, AlaskaMon, Nov 14, 9:00 AM HAST · 1416 days ago · 116 km deep · 28 km away
55. 1.891 km W of Adak, AlaskaMon, Nov 14, 10:10 AM HAST · 1416 days ago · 4 km deep · 3 km away
56. 2.0115 km WSW of Adak, AlaskaMon, Nov 14, 11:49 AM HAST · 1416 days ago · 26 km deep · 47 km away
57. 2.296 km WSW of Adak, AlaskaMon, Nov 14, 4:36 PM HAST · 1416 days ago · 21 km deep · 43 km away
58. 2.2Andreanof Islands, Aleutian Islands, AlaskaTue, Nov 15, 5:49 AM HAST · 1415 days ago · 13 km deep · 51 km away
59. 2.5111 km SW of Adak, AlaskaTue, Nov 15, 7:14 AM HAST · 1415 days ago · 35 km deep · 76 km away
60. 1.749 km SSW of Adak, AlaskaTue, Nov 15, 8:26 AM HAST · 1415 days ago · 25 km deep · 87 km away

The first 60 of at least 199.

Before

1. 2.0Andreanof Islands, Aleutian Islands, AlaskaThu, Oct 27, 6:58 PM HADT · 1434 days ago · 18 km deep · 97 km away
2. 1.893 km W of Adak, AlaskaThu, Oct 27, 6:53 AM HADT · 1434 days ago · 6 km deep · 3 km away
3. 1.991 km W of Adak, AlaskaThu, Oct 27, 6:50 AM HADT · 1434 days ago · 10 km deep · 4 km away
4. 2.893 km W of Adak, AlaskaThu, Oct 27, 6:38 AM HADT · 1434 days ago · 10 km deep · 6 km away
5. 1.681 km WSW of Adak, AlaskaThu, Oct 27, 1:49 AM HADT · 1435 days ago · 38 km deep · 48 km away
6. 2.197 km SW of Adak, AlaskaWed, Oct 26, 1:41 AM HADT · 1436 days ago · 53 km deep · 69 km away
7. 1.684 km W of Adak, AlaskaTue, Oct 25, 5:05 PM HADT · 1436 days ago · 8 km deep · 9 km away
8. 1.977 km W of Adak, AlaskaTue, Oct 25, 9:34 AM HADT · 1436 days ago · 1 km deep · 17 km away
9. 2.178 km W of Adak, AlaskaTue, Oct 25, 8:11 AM HADT · 1436 days ago · 5 km deep · 16 km away
10. 1.679 km W of Adak, AlaskaTue, Oct 25, 8:08 AM HADT · 1436 days ago · -2 km deep · 15 km away
11. 2.677 km W of Adak, AlaskaTue, Oct 25, 8:04 AM HADT · 1436 days ago · 6 km deep · 17 km away
12. 3.017 km SW of Adak, AlaskaTue, Oct 25, 2:40 AM HADT · 1436 days ago · 72 km deep · 85 km away
13. 3.1122 km SW of Adak, AlaskaMon, Oct 24, 7:08 PM HADT · 1437 days ago · 35 km deep · 93 km away
14. 1.781 km W of Adak, AlaskaMon, Oct 24, 9:02 AM HADT · 1437 days ago · 11 km deep · 13 km away
15. 2.767 km SSW of Adak, AlaskaMon, Oct 24, 8:38 AM HADT · 1437 days ago · 35 km deep · 90 km away
16. 2.2132 km WSW of Adak, AlaskaMon, Oct 24, 2:52 AM HADT · 1437 days ago · 34 km deep · 60 km away
17. 3.2182 km WSW of Adak, AlaskaSat, Oct 22, 11:51 AM HADT · 1439 days ago · 55 km deep · 98 km away
18. 2.7104 km SW of Adak, AlaskaFri, Oct 21, 11:43 PM HADT · 1440 days ago · 32 km deep · 86 km away
19. 1.846 km W of Adak, AlaskaFri, Oct 21, 11:01 PM HADT · 1440 days ago · 80 km deep · 48 km away
20. 3.6Andreanof Islands, Aleutian Islands, AlaskaFri, Oct 21, 9:40 PM HADT · 1440 days ago · 35 km deep · 89 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91704776. Read Wed, Sep 30, 2026, 11:08 PM UTC.