M1.5 earthquake 94 km W of Adak, Alaska

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Wed, Feb 22, 2023, 7:04 AM HAST

UTC

2023-02-22 17:04:19 UTC

Depth

-1.8 km (-1.1 mi), shallow

Epicenter

51.854° N, 178.009° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.9 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

91°

Stations used

6

After

1. 3.2132 km WSW of Adak, AlaskaWed, Feb 22, 8:26 AM HAST · 1320 days ago · 35 km deep · 70 km away
2. 2.097 km W of Adak, AlaskaWed, Feb 22, 11:15 AM HAST · 1320 days ago · 9 km deep · 3 km away
3. 1.694 km W of Adak, AlaskaWed, Feb 22, 12:42 PM HAST · 1320 days ago · 3 km deep · 0 km away
4. 1.692 km W of Adak, AlaskaWed, Feb 22, 12:52 PM HAST · 1320 days ago · 4 km deep · 3 km away
5. 3.0163 km WSW of Adak, AlaskaWed, Feb 22, 8:58 PM HAST · 1320 days ago · 35 km deep · 87 km away
6. 1.792 km W of Adak, AlaskaThu, Feb 23, 3:26 PM HAST · 1319 days ago · 5 km deep · 2 km away
7. 2.7145 km WSW of Adak, AlaskaThu, Feb 23, 11:06 PM HAST · 1319 days ago · 10 km deep · 55 km away
8. 1.8Andreanof Islands, Aleutian Islands, AlaskaFri, Feb 24, 12:09 AM HAST · 1319 days ago · 41 km deep · 93 km away
9. 1.693 km W of Adak, AlaskaSat, Feb 25, 7:29 AM HAST · 1317 days ago · 3 km deep · 1 km away
10. 2.093 km W of Adak, AlaskaSat, Feb 25, 7:44 AM HAST · 1317 days ago · 5 km deep · 2 km away
11. 2.394 km W of Adak, AlaskaSat, Feb 25, 7:44 AM HAST · 1317 days ago · 5 km deep · 3 km away
12. 2.8Andreanof Islands, Aleutian Islands, AlaskaSat, Feb 25, 7:58 AM HAST · 1317 days ago · 5 km deep · 5 km away
13. 2.293 km W of Adak, AlaskaSat, Feb 25, 9:01 AM HAST · 1317 days ago · 7 km deep · 2 km away
14. 1.6Andreanof Islands, Aleutian Islands, AlaskaSat, Feb 25, 9:56 AM HAST · 1317 days ago · 3 km deep · 2 km away
15. 1.993 km W of Adak, AlaskaSat, Feb 25, 2:50 PM HAST · 1317 days ago · 4 km deep · 1 km away
16. 1.7Andreanof Islands, Aleutian Islands, AlaskaSat, Feb 25, 5:43 PM HAST · 1317 days ago · 3 km deep · 0 km away
17. 2.293 km W of Adak, AlaskaSat, Feb 25, 5:56 PM HAST · 1317 days ago · 5 km deep · 2 km away
18. 2.86 km NE of Adak, AlaskaSun, Feb 26, 3:00 AM HAST · 1317 days ago · 3 km deep · 100 km away
19. 5.0121 km WSW of Adak, AlaskaSun, Feb 26, 3:53 AM HAST · 1317 days ago · 49 km deep · 43 km away
20. 2.093 km W of Adak, AlaskaSun, Feb 26, 6:01 AM HAST · 1316 days ago · 2 km deep · 1 km away
21. 1.6Andreanof Islands, Aleutian Islands, AlaskaSun, Feb 26, 7:08 AM HAST · 1316 days ago · 4 km deep · 4 km away
22. 1.994 km W of Adak, AlaskaSun, Feb 26, 8:58 PM HAST · 1316 days ago · 3 km deep · 1 km away
23. 2.0122 km WSW of Adak, AlaskaSun, Feb 26, 9:19 PM HAST · 1316 days ago · 42 km deep · 47 km away
24. 2.092 km W of Adak, AlaskaMon, Feb 27, 12:13 AM HAST · 1316 days ago · 6 km deep · 2 km away
25. 1.889 km W of Adak, AlaskaTue, Feb 28, 3:12 AM HAST · 1315 days ago · 7 km deep · 5 km away
26. 1.689 km W of Adak, AlaskaTue, Feb 28, 3:13 AM HAST · 1315 days ago · 5 km deep · 5 km away
27. 2.2123 km WSW of Adak, AlaskaTue, Feb 28, 3:28 AM HAST · 1315 days ago · 26 km deep · 54 km away
28. 2.6Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 28, 11:20 AM HAST · 1314 days ago · 10 km deep · 2 km away
29. 1.791 km W of Adak, AlaskaTue, Feb 28, 11:24 AM HAST · 1314 days ago · 6 km deep · 3 km away
30. 1.5Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 28, 11:29 AM HAST · 1314 days ago · 5 km deep · 3 km away
31. 1.591 km W of Adak, AlaskaTue, Feb 28, 11:34 AM HAST · 1314 days ago · 7 km deep · 3 km away
32. 2.192 km W of Adak, AlaskaTue, Feb 28, 12:01 PM HAST · 1314 days ago · 6 km deep · 3 km away
33. 3.590 km W of Adak, AlaskaTue, Feb 28, 12:41 PM HAST · 1314 days ago · 8 km deep · 4 km away
34. 3.491 km W of Adak, AlaskaTue, Feb 28, 12:43 PM HAST · 1314 days ago · 9 km deep · 3 km away
35. 2.792 km W of Adak, AlaskaTue, Feb 28, 12:49 PM HAST · 1314 days ago · 10 km deep · 4 km away
36. 1.791 km W of Adak, AlaskaTue, Feb 28, 12:51 PM HAST · 1314 days ago · 4 km deep · 4 km away
37. 1.791 km W of Adak, AlaskaTue, Feb 28, 12:52 PM HAST · 1314 days ago · 6 km deep · 4 km away
38. 1.692 km W of Adak, AlaskaTue, Feb 28, 12:53 PM HAST · 1314 days ago · 6 km deep · 2 km away
39. 1.691 km W of Adak, AlaskaTue, Feb 28, 12:59 PM HAST · 1314 days ago · 7 km deep · 3 km away
40. 1.892 km W of Adak, AlaskaTue, Feb 28, 1:01 PM HAST · 1314 days ago · 6 km deep · 3 km away
41. 1.792 km W of Adak, AlaskaTue, Feb 28, 1:21 PM HAST · 1314 days ago · 6 km deep · 2 km away
42. 1.691 km W of Adak, AlaskaTue, Feb 28, 1:24 PM HAST · 1314 days ago · 6 km deep · 4 km away
43. 1.791 km W of Adak, AlaskaTue, Feb 28, 1:28 PM HAST · 1314 days ago · 5 km deep · 3 km away
44. 1.592 km W of Adak, AlaskaTue, Feb 28, 1:35 PM HAST · 1314 days ago · 3 km deep · 2 km away
45. 1.592 km W of Adak, AlaskaTue, Feb 28, 1:36 PM HAST · 1314 days ago · 5 km deep · 2 km away
46. 1.690 km W of Adak, AlaskaTue, Feb 28, 1:51 PM HAST · 1314 days ago · 6 km deep · 5 km away
47. 2.692 km W of Adak, AlaskaTue, Feb 28, 1:55 PM HAST · 1314 days ago · 9 km deep · 3 km away
48. 1.692 km W of Adak, AlaskaTue, Feb 28, 1:58 PM HAST · 1314 days ago · 6 km deep · 2 km away
49. 1.692 km W of Adak, AlaskaTue, Feb 28, 1:58 PM HAST · 1314 days ago · 4 km deep · 2 km away
50. 1.692 km W of Adak, AlaskaTue, Feb 28, 2:01 PM HAST · 1314 days ago · 4 km deep · 2 km away
51. 1.692 km W of Adak, AlaskaTue, Feb 28, 2:04 PM HAST · 1314 days ago · 3 km deep · 2 km away
52. 2.292 km W of Adak, AlaskaTue, Feb 28, 2:08 PM HAST · 1314 days ago · 4 km deep · 2 km away
53. 1.792 km W of Adak, AlaskaTue, Feb 28, 2:26 PM HAST · 1314 days ago · 4 km deep · 2 km away
54. 2.291 km W of Adak, AlaskaTue, Feb 28, 2:54 PM HAST · 1314 days ago · 7 km deep · 3 km away
55. 1.892 km W of Adak, AlaskaTue, Feb 28, 2:55 PM HAST · 1314 days ago · 6 km deep · 3 km away
56. 1.791 km W of Adak, AlaskaTue, Feb 28, 3:03 PM HAST · 1314 days ago · 4 km deep · 4 km away
57. 1.793 km W of Adak, AlaskaTue, Feb 28, 3:32 PM HAST · 1314 days ago · 5 km deep · 2 km away
58. 1.692 km W of Adak, AlaskaTue, Feb 28, 4:05 PM HAST · 1314 days ago · 6 km deep · 3 km away
59. 1.992 km W of Adak, AlaskaTue, Feb 28, 5:28 PM HAST · 1314 days ago · 3 km deep · 3 km away
60. 2.292 km W of Adak, AlaskaTue, Feb 28, 5:31 PM HAST · 1314 days ago · 4 km deep · 3 km away

The first 60 of at least 201.

Before

1. 1.991 km W of Adak, AlaskaWed, Feb 22, 6:48 AM HAST · 1320 days ago · 4 km deep · 3 km away
2. 1.5Andreanof Islands, Aleutian Islands, AlaskaWed, Feb 22, 3:53 AM HAST · 1321 days ago · 4 km deep · 3 km away
3. 1.890 km W of Adak, AlaskaWed, Feb 22, 3:45 AM HAST · 1321 days ago · 5 km deep · 4 km away
4. 1.692 km W of Adak, AlaskaTue, Feb 21, 7:23 PM HAST · 1321 days ago · -2 km deep · 3 km away
5. 1.693 km W of Adak, AlaskaTue, Feb 21, 4:53 PM HAST · 1321 days ago · 7 km deep · 2 km away
6. 1.7Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 21, 1:47 AM HAST · 1322 days ago · 6 km deep · 3 km away
7. 1.7Andreanof Islands, Aleutian Islands, AlaskaMon, Feb 20, 11:22 PM HAST · 1322 days ago · 6 km deep · 4 km away
8. 1.690 km W of Adak, AlaskaMon, Feb 20, 8:13 PM HAST · 1322 days ago · 7 km deep · 4 km away
9. 1.695 km W of Adak, AlaskaMon, Feb 20, 8:07 AM HAST · 1322 days ago · -2 km deep · 1 km away
10. 3.6148 km WSW of Adak, AlaskaMon, Feb 20, 5:22 AM HAST · 1323 days ago · 60 km deep · 63 km away
11. 1.793 km W of Adak, AlaskaMon, Feb 20, 4:11 AM HAST · 1323 days ago · 4 km deep · 1 km away
12. 1.889 km W of Adak, AlaskaMon, Feb 20, 2:28 AM HAST · 1323 days ago · 7 km deep · 5 km away
13. 1.790 km W of Adak, AlaskaSun, Feb 19, 3:25 PM HAST · 1323 days ago · 6 km deep · 4 km away
14. 2.5188 km W of Adak, AlaskaSun, Feb 19, 2:20 PM HAST · 1323 days ago · 91 km deep · 95 km away
15. 1.753 km SSW of Adak, AlaskaSun, Feb 19, 12:36 PM HAST · 1323 days ago · 33 km deep · 87 km away
16. 3.048 km W of Adak, AlaskaSun, Feb 19, 7:54 AM HAST · 1323 days ago · 98 km deep · 47 km away
17. 1.690 km W of Adak, AlaskaSun, Feb 19, 6:41 AM HAST · 1323 days ago · 6 km deep · 4 km away
18. 2.3125 km W of Adak, AlaskaSun, Feb 19, 5:42 AM HAST · 1324 days ago · 89 km deep · 34 km away
19. 1.979 km SW of Adak, AlaskaSun, Feb 19, 1:38 AM HAST · 1324 days ago · 38 km deep · 51 km away
20. 2.784 km W of Adak, AlaskaSun, Feb 19, 12:23 AM HAST · 1324 days ago · 14 km deep · 10 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91770631. Read Mon, Oct 5, 2026, 3:28 AM UTC.