M1.8 earthquake 104 km WSW of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Fri, Oct 7, 2022, 4:57 PM HADT

UTC

2022-10-08 01:57:28 UTC

Depth

20.4 km (12.7 mi), shallow

Epicenter

51.563° N, 178.057° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.2 km horizontally, 4.3 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

286°, poorly surrounded by stations

Stations used

5

After

1. 1.848 km WSW of Adak, AlaskaSat, Oct 8, 3:12 AM HADT · 1452 days ago · 71 km deep · 57 km away
2. 1.581 km W of Adak, AlaskaSat, Oct 8, 11:15 AM HADT · 1452 days ago · 3 km deep · 40 km away
3. 1.6103 km SW of Adak, AlaskaSat, Oct 8, 11:38 AM HADT · 1452 days ago · 21 km deep · 28 km away
4. 1.645 km S of Adak, AlaskaSat, Oct 8, 12:35 PM HADT · 1452 days ago · 29 km deep · 90 km away
5. 1.678 km W of Adak, AlaskaSat, Oct 8, 8:26 PM HADT · 1452 days ago · 66 km deep · 34 km away
6. 1.683 km W of Adak, AlaskaSun, Oct 9, 10:17 AM HADT · 1451 days ago · 4 km deep · 38 km away
7. 1.671 km SW of Adak, AlaskaMon, Oct 10, 9:47 AM HADT · 1450 days ago · 32 km deep · 43 km away
8. 1.697 km WSW of Adak, AlaskaMon, Oct 10, 10:27 PM HADT · 1450 days ago · 27 km deep · 23 km away
9. 1.585 km WSW of Adak, AlaskaTue, Oct 11, 10:08 AM HADT · 1449 days ago · 13 km deep · 26 km away
10. 3.1133 km SW of Adak, AlaskaTue, Oct 11, 11:04 AM HADT · 1449 days ago · 35 km deep · 44 km away
11. 1.7133 km SW of Adak, AlaskaTue, Oct 11, 12:54 PM HADT · 1449 days ago · 25 km deep · 41 km away
12. 1.567 km SSW of Adak, AlaskaTue, Oct 11, 5:37 PM HADT · 1449 days ago · 34 km deep · 75 km away
13. 1.6140 km SW of Adak, AlaskaTue, Oct 11, 11:55 PM HADT · 1449 days ago · 10 km deep · 76 km away
14. 1.694 km W of Adak, AlaskaWed, Oct 12, 3:54 PM HADT · 1448 days ago · 4 km deep · 34 km away
15. 2.5155 km WSW of Adak, AlaskaThu, Oct 13, 12:27 AM HADT · 1448 days ago · 67 km deep · 51 km away
16. 1.659 km SSW of Adak, AlaskaThu, Oct 13, 5:24 AM HADT · 1447 days ago · 39 km deep · 75 km away
17. 2.669 km WSW of Adak, AlaskaThu, Oct 13, 8:58 AM HADT · 1447 days ago · 95 km deep · 34 km away
18. 2.0141 km W of Adak, AlaskaThu, Oct 13, 9:51 AM HADT · 1447 days ago · 40 km deep · 47 km away
19. 1.542 km S of Adak, AlaskaThu, Oct 13, 12:35 PM HADT · 1447 days ago · 35 km deep · 100 km away
20. 1.545 km SSW of Adak, AlaskaThu, Oct 13, 1:03 PM HADT · 1447 days ago · 20 km deep · 77 km away
21. 1.954 km SSW of Adak, AlaskaFri, Oct 14, 11:36 AM HADT · 1446 days ago · 38 km deep · 69 km away
22. 1.728 km SSW of Adak, AlaskaSat, Oct 15, 3:05 PM HADT · 1445 days ago · 58 km deep · 84 km away
23. 3.1133 km SW of Adak, AlaskaSat, Oct 15, 6:30 PM HADT · 1445 days ago · 35 km deep · 45 km away
24. 2.7128 km WSW of Adak, AlaskaSat, Oct 15, 7:16 PM HADT · 1445 days ago · 86 km deep · 29 km away
25. 2.094 km WSW of Adak, AlaskaSun, Oct 16, 5:30 AM HADT · 1444 days ago · 13 km deep · 18 km away
26. 2.2107 km SW of Adak, AlaskaSun, Oct 16, 8:25 PM HADT · 1444 days ago · 41 km deep · 34 km away
27. 1.9122 km WSW of Adak, AlaskaSun, Oct 16, 8:36 PM HADT · 1444 days ago · 26 km deep · 18 km away
28. 2.0125 km WSW of Adak, AlaskaSun, Oct 16, 10:58 PM HADT · 1444 days ago · 58 km deep · 22 km away
29. 1.746 km S of Adak, AlaskaMon, Oct 17, 9:19 AM HADT · 1443 days ago · 26 km deep · 96 km away
30. 1.998 km WSW of Adak, AlaskaMon, Oct 17, 11:13 AM HADT · 1443 days ago · 21 km deep · 16 km away
31. 2.2137 km SW of Adak, AlaskaMon, Oct 17, 3:45 PM HADT · 1443 days ago · 21 km deep · 48 km away
32. 2.6Andreanof Islands, Aleutian Islands, AlaskaMon, Oct 17, 3:47 PM HADT · 1443 days ago · 35 km deep · 51 km away
33. 2.675 km SW of Adak, AlaskaTue, Oct 18, 5:59 AM HADT · 1442 days ago · 34 km deep · 46 km away
34. 2.8Andreanof Islands, Aleutian Islands, AlaskaTue, Oct 18, 11:35 PM HADT · 1442 days ago · 31 km deep · 36 km away
35. 2.189 km WSW of Adak, AlaskaThu, Oct 20, 2:51 AM HADT · 1441 days ago · 29 km deep · 24 km away
36. 4.070 km SSW of Adak, AlaskaThu, Oct 20, 2:40 PM HADT · 1440 days ago · 35 km deep · 70 km away
37. 4.2140 km WSW of Adak, AlaskaFri, Oct 21, 4:48 AM HADT · 1439 days ago · 66 km deep · 36 km away
38. 1.6147 km W of Adak, AlaskaFri, Oct 21, 12:36 PM HADT · 1439 days ago · 66 km deep · 54 km away
39. 1.635 km WSW of Adak, AlaskaFri, Oct 21, 3:00 PM HADT · 1439 days ago · 17 km deep · 69 km away
40. 3.697 km SW of Adak, AlaskaFri, Oct 21, 5:26 PM HADT · 1439 days ago · 35 km deep · 48 km away
41. 1.6Andreanof Islands, Aleutian Islands, AlaskaFri, Oct 21, 5:51 PM HADT · 1439 days ago · 21 km deep · 49 km away
42. 2.0193 km WSW of Adak, AlaskaFri, Oct 21, 8:31 PM HADT · 1439 days ago · 22 km deep · 90 km away
43. 3.6Andreanof Islands, Aleutian Islands, AlaskaFri, Oct 21, 9:40 PM HADT · 1439 days ago · 35 km deep · 73 km away
44. 1.846 km W of Adak, AlaskaFri, Oct 21, 11:01 PM HADT · 1439 days ago · 80 km deep · 59 km away
45. 2.7104 km SW of Adak, AlaskaFri, Oct 21, 11:43 PM HADT · 1439 days ago · 32 km deep · 58 km away
46. 3.2182 km WSW of Adak, AlaskaSat, Oct 22, 11:51 AM HADT · 1438 days ago · 55 km deep · 78 km away
47. 2.2132 km WSW of Adak, AlaskaMon, Oct 24, 2:52 AM HADT · 1437 days ago · 34 km deep · 30 km away
48. 2.767 km SSW of Adak, AlaskaMon, Oct 24, 8:38 AM HADT · 1436 days ago · 35 km deep · 76 km away
49. 1.781 km W of Adak, AlaskaMon, Oct 24, 9:02 AM HADT · 1436 days ago · 11 km deep · 32 km away
50. 3.1122 km SW of Adak, AlaskaMon, Oct 24, 7:08 PM HADT · 1436 days ago · 35 km deep · 62 km away
51. 3.017 km SW of Adak, AlaskaTue, Oct 25, 2:40 AM HADT · 1436 days ago · 72 km deep · 90 km away
52. 2.677 km W of Adak, AlaskaTue, Oct 25, 8:04 AM HADT · 1435 days ago · 6 km deep · 36 km away
53. 1.679 km W of Adak, AlaskaTue, Oct 25, 8:08 AM HADT · 1435 days ago · -2 km deep · 36 km away
54. 2.178 km W of Adak, AlaskaTue, Oct 25, 8:11 AM HADT · 1435 days ago · 5 km deep · 36 km away
55. 1.977 km W of Adak, AlaskaTue, Oct 25, 9:34 AM HADT · 1435 days ago · 1 km deep · 38 km away
56. 1.684 km W of Adak, AlaskaTue, Oct 25, 5:05 PM HADT · 1435 days ago · 8 km deep · 35 km away
57. 2.197 km SW of Adak, AlaskaWed, Oct 26, 1:41 AM HADT · 1435 days ago · 53 km deep · 42 km away
58. 1.681 km WSW of Adak, AlaskaThu, Oct 27, 1:49 AM HADT · 1434 days ago · 38 km deep · 30 km away
59. 2.893 km W of Adak, AlaskaThu, Oct 27, 6:38 AM HADT · 1433 days ago · 10 km deep · 40 km away
60. 1.991 km W of Adak, AlaskaThu, Oct 27, 6:50 AM HADT · 1433 days ago · 10 km deep · 30 km away

The first 60 of at least 200.

Before

1. 2.0152 km WSW of Adak, AlaskaFri, Oct 7, 11:35 AM HADT · 1453 days ago · 74 km deep · 49 km away
2. 2.1127 km WSW of Adak, AlaskaFri, Oct 7, 9:56 AM HADT · 1453 days ago · 36 km deep · 29 km away
3. 1.660 km SW of Adak, AlaskaThu, Oct 6, 12:10 PM HADT · 1454 days ago · 51 km deep · 56 km away
4. 1.6103 km SW of Adak, AlaskaThu, Oct 6, 11:38 AM HADT · 1454 days ago · 26 km deep · 46 km away
5. 1.6134 km WSW of Adak, AlaskaThu, Oct 6, 9:16 AM HADT · 1454 days ago · 24 km deep · 36 km away
6. 2.0193 km WSW of Adak, AlaskaThu, Oct 6, 8:40 AM HADT · 1454 days ago · 24 km deep · 89 km away
7. 1.893 km WSW of Adak, AlaskaThu, Oct 6, 3:15 AM HADT · 1454 days ago · 51 km deep · 21 km away
8. 1.693 km WSW of Adak, AlaskaWed, Oct 5, 6:03 PM HADT · 1455 days ago · 30 km deep · 21 km away
9. 1.585 km WSW of Adak, AlaskaWed, Oct 5, 12:34 AM HADT · 1456 days ago · 32 km deep · 25 km away
10. 2.5149 km WSW of Adak, AlaskaTue, Oct 4, 7:22 PM HADT · 1456 days ago · 31 km deep · 50 km away
11. 1.665 km SSW of Adak, AlaskaTue, Oct 4, 6:08 PM HADT · 1456 days ago · 26 km deep · 75 km away
12. 3.1147 km WSW of Adak, AlaskaTue, Oct 4, 7:08 AM HADT · 1456 days ago · 21 km deep · 44 km away
13. 2.195 km WSW of Adak, AlaskaTue, Oct 4, 12:38 AM HADT · 1457 days ago · 55 km deep · 12 km away
14. 2.7129 km WSW of Adak, AlaskaMon, Oct 3, 7:57 PM HADT · 1457 days ago · 35 km deep · 33 km away
15. 1.754 km SSW of Adak, AlaskaSun, Oct 2, 1:03 PM HADT · 1458 days ago · 26 km deep · 83 km away
16. 1.8120 km WSW of Adak, AlaskaSun, Oct 2, 6:46 AM HADT · 1458 days ago · 27 km deep · 18 km away
17. 2.8147 km W of Adak, AlaskaSat, Oct 1, 9:15 AM HADT · 1459 days ago · 18 km deep · 49 km away
18. 2.0123 km WSW of Adak, AlaskaFri, Sep 30, 9:25 AM HADT · 1460 days ago · 33 km deep · 21 km away
19. 3.649 km WSW of Adak, AlaskaFri, Sep 30, 7:23 AM HADT · 1460 days ago · 80 km deep · 55 km away
20. 2.892 km SW of Adak, AlaskaThu, Sep 29, 4:21 PM HADT · 1461 days ago · 35 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91074103. Read Tue, Sep 29, 2026, 11:29 PM UTC.