M1.6 earthquake 89 km W of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Mon, Dec 12, 2022, 8:45 AM HAST

UTC

2022-12-12 18:45:17 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

51.864° N, 177.935° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.4 km in depth

Magnitude uncertainty

±0.21

Depth from

From location

Station coverage gap

164°

Stations used

4

After

1. 1.689 km W of Adak, AlaskaMon, Dec 12, 5:53 PM HAST · 1390 days ago · 7 km deep · 0 km away
2. 2.1Andreanof Islands, Aleutian Islands, AlaskaTue, Dec 13, 12:40 AM HAST · 1389 days ago · 4 km deep · 2 km away
3. 1.815 km SE of Adak, AlaskaTue, Dec 13, 6:52 AM HAST · 1389 days ago · 64 km deep · 99 km away
4. 1.697 km W of Adak, AlaskaTue, Dec 13, 11:45 AM HAST · 1389 days ago · -2 km deep · 8 km away
5. 2.675 km SW of Adak, AlaskaTue, Dec 13, 11:50 AM HAST · 1389 days ago · 35 km deep · 55 km away
6. 1.796 km W of Adak, AlaskaTue, Dec 13, 1:22 PM HAST · 1389 days ago · -1 km deep · 7 km away
7. 2.1Andreanof Islands, Aleutian Islands, AlaskaTue, Dec 13, 2:42 PM HAST · 1389 days ago · 2 km deep · 8 km away
8. 1.689 km W of Adak, AlaskaTue, Dec 13, 3:43 PM HAST · 1389 days ago · 7 km deep · 2 km away
9. 2.8156 km WSW of Adak, AlaskaWed, Dec 14, 3:13 AM HAST · 1388 days ago · 35 km deep · 92 km away
10. 2.8122 km WSW of Adak, AlaskaWed, Dec 14, 3:24 AM HAST · 1388 days ago · 10 km deep · 43 km away
11. 1.597 km W of Adak, AlaskaWed, Dec 14, 4:25 AM HAST · 1388 days ago · -2 km deep · 8 km away
12. 2.580 km SW of Adak, AlaskaWed, Dec 14, 10:39 AM HAST · 1388 days ago · 35 km deep · 50 km away
13. 2.0130 km W of Adak, AlaskaWed, Dec 14, 3:29 PM HAST · 1388 days ago · 14 km deep · 42 km away
14. 2.6123 km WSW of Adak, AlaskaWed, Dec 14, 6:08 PM HAST · 1388 days ago · 34 km deep · 53 km away
15. 2.060 km SSW of Adak, AlaskaWed, Dec 14, 7:34 PM HAST · 1387 days ago · 39 km deep · 78 km away
16. 1.991 km W of Adak, AlaskaWed, Dec 14, 10:19 PM HAST · 1387 days ago · -2 km deep · 2 km away
17. 2.399 km W of Adak, AlaskaWed, Dec 14, 10:35 PM HAST · 1387 days ago · 5 km deep · 9 km away
18. 2.0Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 15, 12:14 AM HAST · 1387 days ago · 3 km deep · 3 km away
19. 2.499 km W of Adak, AlaskaThu, Dec 15, 1:46 AM HAST · 1387 days ago · 3 km deep · 10 km away
20. 1.998 km W of Adak, AlaskaThu, Dec 15, 1:47 AM HAST · 1387 days ago · -2 km deep · 8 km away
21. 1.696 km W of Adak, AlaskaFri, Dec 16, 6:27 AM HAST · 1386 days ago · -2 km deep · 6 km away
22. 1.9126 km WSW of Adak, AlaskaFri, Dec 16, 6:11 PM HAST · 1386 days ago · 20 km deep · 42 km away
23. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Dec 16, 7:24 PM HAST · 1385 days ago · 12 km deep · 48 km away
24. 2.1125 km WSW of Adak, AlaskaFri, Dec 16, 7:26 PM HAST · 1385 days ago · 15 km deep · 49 km away
25. 2.053 km WSW of Adak, AlaskaFri, Dec 16, 9:15 PM HAST · 1385 days ago · 78 km deep · 48 km away
26. 2.9130 km WSW of Adak, AlaskaSat, Dec 17, 7:00 AM HAST · 1385 days ago · 13 km deep · 61 km away
27. 2.396 km W of Adak, AlaskaSat, Dec 17, 10:34 AM HAST · 1385 days ago · 3 km deep · 7 km away
28. 2.4175 km W of Adak, AlaskaSat, Dec 17, 4:14 PM HAST · 1385 days ago · 80 km deep · 87 km away
29. 1.746 km SW of Adak, AlaskaSat, Dec 17, 9:29 PM HAST · 1384 days ago · 38 km deep · 67 km away
30. 2.9162 km WSW of Adak, AlaskaSun, Dec 18, 5:52 AM HAST · 1384 days ago · 27 km deep · 79 km away
31. 2.04 km NNW of Adak, AlaskaSun, Dec 18, 6:35 AM HAST · 1384 days ago · 69 km deep · 88 km away
32. 1.868 km SW of Adak, AlaskaSun, Dec 18, 8:34 PM HAST · 1383 days ago · 43 km deep · 52 km away
33. 2.8117 km WSW of Adak, AlaskaMon, Dec 19, 3:25 AM HAST · 1383 days ago · 34 km deep · 55 km away
34. 1.683 km SW of Adak, AlaskaMon, Dec 19, 7:59 PM HAST · 1382 days ago · 13 km deep · 68 km away
35. 2.1104 km SSW of Adak, AlaskaTue, Dec 20, 4:37 AM HAST · 1382 days ago · 44 km deep · 96 km away
36. 1.794 km W of Adak, AlaskaTue, Dec 20, 8:40 AM HAST · 1382 days ago · -2 km deep · 7 km away
37. 3.1154 km WSW of Adak, AlaskaTue, Dec 20, 11:36 AM HAST · 1382 days ago · 35 km deep · 91 km away
38. 1.9125 km WSW of Adak, AlaskaTue, Dec 20, 8:42 PM HAST · 1381 days ago · 11 km deep · 51 km away
39. 1.536 km WSW of Adak, AlaskaWed, Dec 21, 1:49 AM HAST · 1381 days ago · 16 km deep · 59 km away
40. 1.9132 km WSW of Adak, AlaskaWed, Dec 21, 1:56 AM HAST · 1381 days ago · 20 km deep · 68 km away
41. 1.696 km W of Adak, AlaskaWed, Dec 21, 2:21 AM HAST · 1381 days ago · -1 km deep · 8 km away
42. 1.938 km S of Adak, AlaskaWed, Dec 21, 8:41 AM HAST · 1381 days ago · 37 km deep · 99 km away
43. 1.696 km W of Adak, AlaskaWed, Dec 21, 1:47 PM HAST · 1381 days ago · -2 km deep · 7 km away
44. 2.1171 km WSW of Adak, AlaskaWed, Dec 21, 5:12 PM HAST · 1381 days ago · 21 km deep · 88 km away
45. 1.896 km W of Adak, AlaskaWed, Dec 21, 5:45 PM HAST · 1381 days ago · -1 km deep · 7 km away
46. 1.937 km SSW of Adak, AlaskaThu, Dec 22, 2:24 AM HAST · 1380 days ago · 40 km deep · 85 km away
47. 2.095 km W of Adak, AlaskaThu, Dec 22, 3:04 AM HAST · 1380 days ago · 5 km deep · 6 km away
48. 2.083 km W of Adak, AlaskaThu, Dec 22, 4:52 AM HAST · 1380 days ago · 9 km deep · 7 km away
49. 3.0125 km WSW of Adak, AlaskaThu, Dec 22, 6:26 AM HAST · 1380 days ago · 35 km deep · 55 km away
50. 1.696 km W of Adak, AlaskaThu, Dec 22, 9:59 AM HAST · 1380 days ago · -2 km deep · 7 km away
51. 1.596 km W of Adak, AlaskaThu, Dec 22, 12:48 PM HAST · 1380 days ago · -1 km deep · 7 km away
52. 3.0124 km W of Adak, AlaskaThu, Dec 22, 2:09 PM HAST · 1380 days ago · 19 km deep · 36 km away
53. 2.270 km SSW of Adak, AlaskaThu, Dec 22, 7:31 PM HAST · 1379 days ago · 21 km deep · 84 km away
54. 3.1181 km W of Adak, AlaskaFri, Dec 23, 1:53 PM HAST · 1379 days ago · 16 km deep · 92 km away
55. 2.095 km W of Adak, AlaskaFri, Dec 23, 3:44 PM HAST · 1379 days ago · 2 km deep · 6 km away
56. 2.0132 km WSW of Adak, AlaskaFri, Dec 23, 10:56 PM HAST · 1378 days ago · 14 km deep · 48 km away
57. 1.8101 km SW of Adak, AlaskaFri, Dec 23, 11:42 PM HAST · 1378 days ago · 21 km deep · 75 km away
58. 1.696 km W of Adak, AlaskaSat, Dec 24, 1:40 AM HAST · 1378 days ago · -2 km deep · 7 km away
59. 2.1123 km WSW of Adak, AlaskaSat, Dec 24, 5:40 AM HAST · 1378 days ago · 51 km deep · 58 km away
60. 2.1144 km W of Adak, AlaskaSat, Dec 24, 6:55 AM HAST · 1378 days ago · 12 km deep · 57 km away

The first 60 of at least 199.

Before

1. 2.289 km W of Adak, AlaskaMon, Dec 12, 4:59 AM HAST · 1390 days ago · 6 km deep · 0 km away
2. 2.0169 km W of Adak, AlaskaMon, Dec 12, 3:24 AM HAST · 1390 days ago · 5 km deep · 80 km away
3. 1.790 km W of Adak, AlaskaMon, Dec 12, 2:34 AM HAST · 1390 days ago · 5 km deep · 2 km away
4. 1.789 km W of Adak, AlaskaMon, Dec 12, 2:34 AM HAST · 1390 days ago · 7 km deep · 3 km away
5. 1.9Andreanof Islands, Aleutian Islands, AlaskaSun, Dec 11, 7:08 PM HAST · 1391 days ago · -1 km deep · 8 km away
6. 1.596 km W of Adak, AlaskaSun, Dec 11, 6:29 PM HAST · 1391 days ago · -1 km deep · 7 km away
7. 2.296 km W of Adak, AlaskaSun, Dec 11, 4:39 PM HAST · 1391 days ago · 3 km deep · 7 km away
8. 2.196 km W of Adak, AlaskaSun, Dec 11, 1:47 PM HAST · 1391 days ago · -2 km deep · 7 km away
9. 2.9182 km WSW of Adak, AlaskaSun, Dec 11, 1:36 PM HAST · 1391 days ago · 35 km deep · 98 km away
10. 3.6134 km W of Adak, AlaskaSun, Dec 11, 1:20 PM HAST · 1391 days ago · 181 km deep · 49 km away
11. 2.481 km SW of Adak, AlaskaSun, Dec 11, 1:11 PM HAST · 1391 days ago · 34 km deep · 59 km away
12. 2.069 km SSW of Adak, AlaskaSun, Dec 11, 4:05 AM HAST · 1391 days ago · 21 km deep · 84 km away
13. 2.1136 km SW of Adak, AlaskaSun, Dec 11, 12:33 AM HAST · 1391 days ago · 26 km deep · 82 km away
14. 2.1138 km SW of Adak, AlaskaSun, Dec 11, 12:31 AM HAST · 1391 days ago · 26 km deep · 86 km away
15. 2.0Andreanof Islands, Aleutian Islands, AlaskaSat, Dec 10, 12:07 PM HAST · 1392 days ago · 6 km deep · 3 km away
16. 1.994 km W of Adak, AlaskaSat, Dec 10, 11:59 AM HAST · 1392 days ago · 7 km deep · 5 km away
17. 2.2131 km WSW of Adak, AlaskaSat, Dec 10, 11:13 AM HAST · 1392 days ago · 9 km deep · 46 km away
18. 1.968 km SSW of Adak, AlaskaSat, Dec 10, 5:46 AM HAST · 1392 days ago · 24 km deep · 85 km away
19. 2.3126 km SW of Adak, AlaskaSat, Dec 10, 5:08 AM HAST · 1392 days ago · 52 km deep · 88 km away
20. 2.190 km SW of Adak, AlaskaSat, Dec 10, 1:53 AM HAST · 1392 days ago · 12 km deep · 61 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91729946. Read Fri, Oct 2, 2026, 4:41 PM UTC.