M1.6 earthquake 147 km W of Adak, Alaska

Magnitude

1.6 (ml), micro

Local time

Thu, Sep 29, 2022, 1:46 PM HADT

UTC

2022-09-29 22:46:17 UTC

Depth

14.3 km (8.9 mi), shallow

Epicenter

51.674° N, 178.741° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.5 km horizontally, 1.4 km in depth

Magnitude uncertainty

±0.30

Depth from

From location

Station coverage gap

132°

Stations used

6

After

1. 2.892 km SW of Adak, AlaskaThu, Sep 29, 4:21 PM HADT · 1461 days ago · 35 km deep · 96 km away
2. 2.0123 km WSW of Adak, AlaskaFri, Sep 30, 9:25 AM HADT · 1460 days ago · 33 km deep · 43 km away
3. 2.8147 km W of Adak, AlaskaSat, Oct 1, 9:15 AM HADT · 1459 days ago · 18 km deep · 0 km away
4. 1.8120 km WSW of Adak, AlaskaSun, Oct 2, 6:46 AM HADT · 1458 days ago · 27 km deep · 43 km away
5. 2.7129 km WSW of Adak, AlaskaMon, Oct 3, 7:57 PM HADT · 1457 days ago · 35 km deep · 54 km away
6. 2.195 km WSW of Adak, AlaskaTue, Oct 4, 12:38 AM HADT · 1457 days ago · 55 km deep · 61 km away
7. 3.1147 km WSW of Adak, AlaskaTue, Oct 4, 7:08 AM HADT · 1456 days ago · 21 km deep · 35 km away
8. 2.5149 km WSW of Adak, AlaskaTue, Oct 4, 7:22 PM HADT · 1456 days ago · 31 km deep · 53 km away
9. 3.7214 km WSW of Adak, AlaskaTue, Oct 4, 9:27 PM HADT · 1456 days ago · 35 km deep · 72 km away
10. 1.585 km WSW of Adak, AlaskaWed, Oct 5, 12:34 AM HADT · 1456 days ago · 32 km deep · 73 km away
11. 1.693 km WSW of Adak, AlaskaWed, Oct 5, 6:03 PM HADT · 1455 days ago · 30 km deep · 69 km away
12. 1.893 km WSW of Adak, AlaskaThu, Oct 6, 3:15 AM HADT · 1455 days ago · 51 km deep · 69 km away
13. 2.0193 km WSW of Adak, AlaskaThu, Oct 6, 8:40 AM HADT · 1454 days ago · 24 km deep · 59 km away
14. 1.6134 km WSW of Adak, AlaskaThu, Oct 6, 9:16 AM HADT · 1454 days ago · 24 km deep · 50 km away
15. 2.0240 km WSW of Adak, AlaskaThu, Oct 6, 7:01 AM GMT-12 · 1454 days ago · 26 km deep · 96 km away
16. 1.6103 km SW of Adak, AlaskaThu, Oct 6, 11:38 AM HADT · 1454 days ago · 26 km deep · 89 km away
17. 1.8205 km W of Adak, AlaskaThu, Oct 6, 6:04 PM HADT · 1454 days ago · 74 km deep · 60 km away
18. 2.1127 km WSW of Adak, AlaskaFri, Oct 7, 9:56 AM HADT · 1453 days ago · 36 km deep · 49 km away
19. 2.0152 km WSW of Adak, AlaskaFri, Oct 7, 11:35 AM HADT · 1453 days ago · 74 km deep · 27 km away
20. 1.8104 km WSW of Adak, AlaskaFri, Oct 7, 4:57 PM HADT · 1453 days ago · 20 km deep · 49 km away
21. 1.581 km W of Adak, AlaskaSat, Oct 8, 11:15 AM HADT · 1452 days ago · 3 km deep · 68 km away
22. 1.6103 km SW of Adak, AlaskaSat, Oct 8, 11:38 AM HADT · 1452 days ago · 21 km deep · 71 km away
23. 1.678 km W of Adak, AlaskaSat, Oct 8, 8:26 PM HADT · 1452 days ago · 66 km deep · 69 km away
24. 2.8238 km WSW of Adak, AlaskaSun, Oct 9, 12:01 AM GMT-12 · 1452 days ago · 47 km deep · 94 km away
25. 1.683 km W of Adak, AlaskaSun, Oct 9, 10:17 AM HADT · 1451 days ago · 4 km deep · 65 km away
26. 2.8220 km WSW of Adak, AlaskaMon, Oct 10, 2:34 AM HADT · 1451 days ago · 35 km deep · 84 km away
27. 1.671 km SW of Adak, AlaskaMon, Oct 10, 9:47 AM HADT · 1450 days ago · 32 km deep · 91 km away
28. 1.697 km WSW of Adak, AlaskaMon, Oct 10, 10:27 PM HADT · 1450 days ago · 27 km deep · 69 km away
29. 2.7227 km W of Adak, AlaskaTue, Oct 11, 2:24 AM HADT · 1450 days ago · 77 km deep · 81 km away
30. 2.8227 km W of Adak, AlaskaTue, Oct 11, 6:41 AM HADT · 1449 days ago · 14 km deep · 80 km away
31. 3.0227 km W of Adak, AlaskaTue, Oct 11, 7:09 AM HADT · 1449 days ago · 14 km deep · 80 km away
32. 2.6Andreanof Islands, Aleutian Islands, AlaskaTue, Oct 11, 7:40 AM HADT · 1449 days ago · 15 km deep · 80 km away
33. 1.585 km WSW of Adak, AlaskaTue, Oct 11, 10:08 AM HADT · 1449 days ago · 13 km deep · 75 km away
34. 3.1133 km SW of Adak, AlaskaTue, Oct 11, 11:04 AM HADT · 1449 days ago · 35 km deep · 67 km away
35. 1.7133 km SW of Adak, AlaskaTue, Oct 11, 12:54 PM HADT · 1449 days ago · 25 km deep · 62 km away
36. 2.0236 km W of Adak, AlaskaWed, Oct 12, 10:35 AM HADT · 1448 days ago · 9 km deep · 90 km away
37. 1.694 km W of Adak, AlaskaWed, Oct 12, 3:54 PM HADT · 1448 days ago · 4 km deep · 55 km away
38. 2.5155 km WSW of Adak, AlaskaThu, Oct 13, 12:27 AM HADT · 1448 days ago · 67 km deep · 25 km away
39. 2.669 km WSW of Adak, AlaskaThu, Oct 13, 8:58 AM HADT · 1447 days ago · 95 km deep · 79 km away
40. 2.0141 km W of Adak, AlaskaThu, Oct 13, 9:51 AM HADT · 1447 days ago · 40 km deep · 9 km away
41. 2.6232 km WSW of Adak, AlaskaThu, Oct 13, 4:38 PM HADT · 1447 days ago · 10 km deep · 94 km away
42. 3.0Rat Islands, Aleutian Islands, AlaskaFri, Oct 14, 4:46 PM GMT+12 · 1447 days ago · 30 km deep · 97 km away
43. 3.2230 km W of Adak, AlaskaSat, Oct 15, 12:01 AM HADT · 1446 days ago · 166 km deep · 92 km away
44. 3.1133 km SW of Adak, AlaskaSat, Oct 15, 6:30 PM HADT · 1445 days ago · 35 km deep · 69 km away
45. 2.7128 km WSW of Adak, AlaskaSat, Oct 15, 7:16 PM HADT · 1445 days ago · 86 km deep · 20 km away
46. 2.094 km WSW of Adak, AlaskaSun, Oct 16, 5:30 AM HADT · 1444 days ago · 13 km deep · 66 km away
47. 4.6210 km WSW of Adak, AlaskaSun, Oct 16, 5:39 AM HADT · 1444 days ago · 10 km deep · 95 km away
48. 3.9212 km WSW of Adak, AlaskaSun, Oct 16, 5:44 AM HADT · 1444 days ago · 10 km deep · 96 km away
49. 2.2107 km SW of Adak, AlaskaSun, Oct 16, 8:25 PM HADT · 1444 days ago · 41 km deep · 75 km away
50. 1.9122 km WSW of Adak, AlaskaSun, Oct 16, 8:36 PM HADT · 1444 days ago · 26 km deep · 35 km away
51. 2.0125 km WSW of Adak, AlaskaSun, Oct 16, 10:58 PM HADT · 1444 days ago · 58 km deep · 40 km away
52. 2.2210 km W of Adak, AlaskaMon, Oct 17, 8:56 AM HADT · 1443 days ago · 91 km deep · 67 km away
53. 1.998 km WSW of Adak, AlaskaMon, Oct 17, 11:13 AM HADT · 1443 days ago · 21 km deep · 63 km away
54. 1.7235 km W of Adak, AlaskaMon, Oct 17, 3:07 PM HADT · 1443 days ago · 13 km deep · 90 km away
55. 2.2137 km SW of Adak, AlaskaMon, Oct 17, 3:45 PM HADT · 1443 days ago · 21 km deep · 69 km away
56. 2.6Andreanof Islands, Aleutian Islands, AlaskaMon, Oct 17, 3:47 PM HADT · 1443 days ago · 35 km deep · 70 km away
57. 2.675 km SW of Adak, AlaskaTue, Oct 18, 5:59 AM HADT · 1442 days ago · 34 km deep · 95 km away
58. 2.8Andreanof Islands, Aleutian Islands, AlaskaTue, Oct 18, 11:35 PM HADT · 1442 days ago · 31 km deep · 46 km away
59. 2.189 km WSW of Adak, AlaskaThu, Oct 20, 2:51 AM HADT · 1441 days ago · 29 km deep · 73 km away
60. 3.0225 km WSW of Adak, AlaskaThu, Oct 20, 3:00 AM HADT · 1441 days ago · 10 km deep · 97 km away

The first 60 of at least 199.

Before

1. 3.3148 km W of Adak, AlaskaThu, Sep 29, 1:29 PM HADT · 1461 days ago · 19 km deep · 1 km away
2. 2.0144 km WSW of Adak, AlaskaWed, Sep 28, 6:17 PM HADT · 1462 days ago · 8 km deep · 40 km away
3. 1.7125 km WSW of Adak, AlaskaWed, Sep 28, 4:07 PM HADT · 1462 days ago · 8 km deep · 25 km away
4. 1.7218 km WSW of Adak, AlaskaWed, Sep 28, 2:03 PM HADT · 1462 days ago · 1 km deep · 74 km away
5. 2.986 km WSW of Adak, AlaskaWed, Sep 28, 11:31 AM HADT · 1462 days ago · 38 km deep · 77 km away
6. 2.0123 km WSW of Adak, AlaskaWed, Sep 28, 10:54 AM HADT · 1462 days ago · 15 km deep · 44 km away
7. 2.2222 km W of Adak, AlaskaWed, Sep 28, 9:45 AM HADT · 1462 days ago · 148 km deep · 89 km away
8. 1.6241 km W of Adak, AlaskaThu, Sep 29, 3:06 AM GMT+12 · 1462 days ago · 15 km deep · 95 km away
9. 1.7235 km W of Adak, AlaskaTue, Sep 27, 6:21 PM HADT · 1463 days ago · 10 km deep · 90 km away
10. 2.5Andreanof Islands, Aleutian Islands, AlaskaTue, Sep 27, 12:33 AM HADT · 1464 days ago · 66 km deep · 85 km away
11. 2.0137 km WSW of Adak, AlaskaMon, Sep 26, 4:13 PM HADT · 1464 days ago · 26 km deep · 53 km away
12. 3.1137 km WSW of Adak, AlaskaMon, Sep 26, 10:47 AM HADT · 1464 days ago · 32 km deep · 45 km away
13. 1.768 km W of Adak, AlaskaMon, Sep 26, 7:34 AM HADT · 1464 days ago · 17 km deep · 82 km away
14. 1.978 km SW of Adak, AlaskaMon, Sep 26, 5:26 AM HADT · 1464 days ago · 44 km deep · 85 km away
15. 1.9232 km W of Adak, AlaskaSun, Sep 25, 11:57 PM HADT · 1465 days ago · 13 km deep · 88 km away
16. 1.7113 km WSW of Adak, AlaskaSun, Sep 25, 10:47 AM HADT · 1465 days ago · 13 km deep · 41 km away
17. 1.5132 km WSW of Adak, AlaskaSun, Sep 25, 1:37 AM HADT · 1466 days ago · 6 km deep · 16 km away
18. 3.274 km WSW of Adak, AlaskaSat, Sep 24, 8:28 PM HADT · 1466 days ago · 75 km deep · 76 km away
19. 2.559 km SW of Adak, AlaskaSat, Sep 24, 5:52 AM HADT · 1466 days ago · 68 km deep · 99 km away
20. 2.3216 km W of Adak, AlaskaFri, Sep 23, 4:22 AM HADT · 1467 days ago · 87 km deep · 83 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91073163. Read Wed, Sep 30, 2026, 12:43 AM UTC.