M1.6 earthquake 145 km W of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Mon, Jan 30, 2023, 1:46 AM HAST

UTC

2023-01-30 11:46:07 UTC

Depth

7.1 km (4.4 mi), shallow

Epicenter

51.815° N, 178.741° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.3 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.19

Depth from

From location

Station coverage gap

284°, poorly surrounded by stations

Stations used

4

After

1. 2.9115 km WSW of Adak, AlaskaMon, Jan 30, 9:30 AM HAST · 1343 days ago · 33 km deep · 60 km away
2. 3.3124 km SW of Adak, AlaskaTue, Jan 31, 2:09 AM HAST · 1342 days ago · 35 km deep · 78 km away
3. 2.675 km W of Adak, AlaskaTue, Jan 31, 3:15 AM HAST · 1342 days ago · 88 km deep · 70 km away
4. 3.6Andreanof Islands, Aleutian Islands, AlaskaTue, Jan 31, 3:48 AM HAST · 1342 days ago · 41 km deep · 68 km away
5. 2.858 km W of Adak, AlaskaTue, Jan 31, 6:40 PM HAST · 1342 days ago · 99 km deep · 87 km away
6. 2.6190 km WSW of Adak, AlaskaWed, Feb 1, 6:25 PM HAST · 1341 days ago · 29 km deep · 61 km away
7. 3.1167 km WSW of Adak, AlaskaThu, Feb 2, 3:12 PM HAST · 1340 days ago · 35 km deep · 41 km away
8. 2.7158 km WSW of Adak, AlaskaThu, Feb 2, 7:35 PM HAST · 1340 days ago · 33 km deep · 69 km away
9. 2.089 km WSW of Adak, AlaskaThu, Feb 2, 7:52 PM HAST · 1340 days ago · 18 km deep · 76 km away
10. 3.3212 km W of Adak, AlaskaFri, Feb 3, 1:53 PM HAST · 1339 days ago · 122 km deep · 69 km away
11. 2.8159 km WSW of Adak, AlaskaSat, Feb 4, 3:22 AM HAST · 1338 days ago · 10 km deep · 61 km away
12. 4.263 km WSW of Adak, AlaskaSat, Feb 4, 8:09 AM HAST · 1338 days ago · 71 km deep · 84 km away
13. 2.076 km WSW of Adak, AlaskaSat, Feb 4, 10:03 AM HAST · 1338 days ago · 33 km deep · 89 km away
14. 3.1Andreanof Islands, Aleutian Islands, AlaskaSat, Feb 4, 1:01 PM HAST · 1338 days ago · 35 km deep · 88 km away
15. 1.686 km WSW of Adak, AlaskaSun, Feb 5, 12:39 AM HAST · 1337 days ago · 13 km deep · 78 km away
16. 2.1121 km SW of Adak, AlaskaSun, Feb 5, 4:31 AM HAST · 1337 days ago · 25 km deep · 86 km away
17. 2.7127 km SW of Adak, AlaskaSun, Feb 5, 6:39 AM HAST · 1337 days ago · 35 km deep · 89 km away
18. 1.755 km W of Adak, AlaskaSun, Feb 5, 7:14 AM HAST · 1337 days ago · 21 km deep · 90 km away
19. 2.3179 km WSW of Adak, AlaskaSun, Feb 5, 12:25 PM HAST · 1337 days ago · 31 km deep · 65 km away
20. 2.3142 km WSW of Adak, AlaskaSun, Feb 5, 6:42 PM HAST · 1337 days ago · 13 km deep · 32 km away
21. 2.269 km SW of Adak, AlaskaMon, Feb 6, 12:12 AM HAST · 1337 days ago · 45 km deep · 94 km away
22. 2.186 km WSW of Adak, AlaskaMon, Feb 6, 8:05 AM HAST · 1336 days ago · 18 km deep · 83 km away
23. 2.2165 km WSW of Adak, AlaskaMon, Feb 6, 6:30 PM HAST · 1336 days ago · 22 km deep · 57 km away
24. 2.7145 km WSW of Adak, AlaskaMon, Feb 6, 7:38 PM HAST · 1336 days ago · 18 km deep · 57 km away
25. 2.0190 km WSW of Adak, AlaskaMon, Feb 6, 7:48 PM HAST · 1336 days ago · 13 km deep · 61 km away
26. 2.1141 km WSW of Adak, AlaskaTue, Feb 7, 2:27 AM HAST · 1335 days ago · 22 km deep · 72 km away
27. 2.0139 km WSW of Adak, AlaskaTue, Feb 7, 8:41 AM HAST · 1335 days ago · 25 km deep · 51 km away
28. 2.3Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 7, 10:27 AM HAST · 1335 days ago · 17 km deep · 30 km away
29. 2.4177 km W of Adak, AlaskaTue, Feb 7, 5:17 PM HAST · 1335 days ago · 88 km deep · 33 km away
30. 2.5111 km SW of Adak, AlaskaWed, Feb 8, 3:32 AM HAST · 1334 days ago · 31 km deep · 98 km away
31. 2.8135 km SW of Adak, AlaskaWed, Feb 8, 5:27 AM HAST · 1334 days ago · 35 km deep · 85 km away
32. 2.1119 km SW of Adak, AlaskaWed, Feb 8, 6:59 AM HAST · 1334 days ago · 5 km deep · 85 km away
33. 1.890 km SW of Adak, AlaskaWed, Feb 8, 9:31 AM HAST · 1334 days ago · 7 km deep · 83 km away
34. 2.5200 km WSW of Adak, AlaskaWed, Feb 8, 12:46 PM HAST · 1334 days ago · 71 km deep · 60 km away
35. 2.1143 km WSW of Adak, AlaskaWed, Feb 8, 5:08 PM HAST · 1334 days ago · 26 km deep · 64 km away
36. 3.4218 km W of Adak, AlaskaWed, Feb 8, 10:06 PM HAST · 1334 days ago · 91 km deep · 73 km away
37. 1.788 km W of Adak, AlaskaFri, Feb 10, 1:09 AM HAST · 1332 days ago · 5 km deep · 56 km away
38. 2.9200 km WSW of Adak, AlaskaSat, Feb 11, 11:45 AM HAST · 1331 days ago · 35 km deep · 84 km away
39. 2.1139 km SW of Adak, AlaskaSat, Feb 11, 6:35 PM HAST · 1331 days ago · 33 km deep · 85 km away
40. 1.790 km W of Adak, AlaskaSat, Feb 11, 7:23 PM HAST · 1331 days ago · 11 km deep · 55 km away
41. 2.794 km W of Adak, AlaskaSat, Feb 11, 7:51 PM HAST · 1331 days ago · 11 km deep · 52 km away
42. 2.192 km W of Adak, AlaskaSat, Feb 11, 7:59 PM HAST · 1331 days ago · 9 km deep · 52 km away
43. 2.1124 km WSW of Adak, AlaskaSat, Feb 11, 9:05 PM HAST · 1331 days ago · 25 km deep · 52 km away
44. 1.9146 km WSW of Adak, AlaskaSun, Feb 12, 4:47 AM HAST · 1330 days ago · 21 km deep · 74 km away
45. 3.1110 km SW of Adak, AlaskaSun, Feb 12, 10:45 AM HAST · 1330 days ago · 35 km deep · 98 km away
46. 2.695 km W of Adak, AlaskaSun, Feb 12, 12:14 PM HAST · 1330 days ago · 10 km deep · 51 km away
47. 5.3191 km WSW of Adak, AlaskaTue, Feb 14, 9:35 PM HAST · 1328 days ago · 35 km deep · 73 km away · felt by 1 · tsunami flag
48. 3.191 km W of Adak, AlaskaWed, Feb 15, 11:08 AM HAST · 1327 days ago · 11 km deep · 56 km away
49. 3.375 km WSW of Adak, AlaskaThu, Feb 16, 2:52 PM HAST · 1326 days ago · 97 km deep · 78 km away
50. 1.591 km W of Adak, AlaskaThu, Feb 16, 5:13 PM HAST · 1326 days ago · 3 km deep · 54 km away
51. 1.991 km W of Adak, AlaskaThu, Feb 16, 6:20 PM HAST · 1326 days ago · 4 km deep · 54 km away
52. 2.190 km W of Adak, AlaskaThu, Feb 16, 6:30 PM HAST · 1326 days ago · 4 km deep · 54 km away
53. 1.791 km W of Adak, AlaskaThu, Feb 16, 6:36 PM HAST · 1326 days ago · 4 km deep · 54 km away
54. 3.192 km W of Adak, AlaskaThu, Feb 16, 7:10 PM HAST · 1326 days ago · 4 km deep · 53 km away
55. 2.290 km W of Adak, AlaskaThu, Feb 16, 7:41 PM HAST · 1326 days ago · 4 km deep · 55 km away
56. 2.290 km W of Adak, AlaskaThu, Feb 16, 7:43 PM HAST · 1326 days ago · 3 km deep · 55 km away
57. 1.691 km W of Adak, AlaskaThu, Feb 16, 7:56 PM HAST · 1326 days ago · -2 km deep · 54 km away
58. 2.391 km W of Adak, AlaskaThu, Feb 16, 8:16 PM HAST · 1326 days ago · 4 km deep · 54 km away
59. 1.692 km W of Adak, AlaskaThu, Feb 16, 8:17 PM HAST · 1326 days ago · 4 km deep · 53 km away
60. 1.591 km W of Adak, AlaskaThu, Feb 16, 8:36 PM HAST · 1326 days ago · 3 km deep · 54 km away

The first 60 of at least 200.

Before

1. 2.2116 km WSW of Adak, AlaskaSun, Jan 29, 6:58 PM HAST · 1344 days ago · 47 km deep · 58 km away
2. 3.4107 km SW of Adak, AlaskaSun, Jan 29, 4:10 PM HAST · 1344 days ago · 44 km deep · 95 km away
3. 3.767 km WSW of Adak, AlaskaSun, Jan 29, 10:00 AM HAST · 1344 days ago · 76 km deep · 84 km away
4. 3.0182 km WSW of Adak, AlaskaSun, Jan 29, 5:56 AM HAST · 1344 days ago · 26 km deep · 45 km away
5. 2.8117 km WSW of Adak, AlaskaSat, Jan 28, 10:05 PM HAST · 1345 days ago · 33 km deep · 52 km away
6. 1.992 km WSW of Adak, AlaskaSat, Jan 28, 1:01 PM HAST · 1345 days ago · 60 km deep · 64 km away
7. 1.798 km WSW of Adak, AlaskaFri, Jan 27, 9:35 PM HAST · 1346 days ago · 10 km deep · 57 km away
8. 1.6Andreanof Islands, Aleutian Islands, AlaskaFri, Jan 27, 2:03 PM HAST · 1346 days ago · 25 km deep · 91 km away
9. 1.6Andreanof Islands, Aleutian Islands, AlaskaFri, Jan 27, 9:59 AM HAST · 1346 days ago · 13 km deep · 42 km away
10. 2.1129 km WSW of Adak, AlaskaFri, Jan 27, 1:26 AM HAST · 1346 days ago · 24 km deep · 56 km away
11. 2.8234 km W of Adak, AlaskaThu, Jan 26, 11:02 PM HAST · 1347 days ago · 10 km deep · 89 km away
12. 3.1193 km W of Adak, AlaskaThu, Jan 26, 6:03 AM HAST · 1347 days ago · 99 km deep · 48 km away
13. 2.061 km SW of Adak, AlaskaSat, Jan 21, 11:30 PM HAST · 1352 days ago · 18 km deep · 99 km away
14. 3.1216 km WSW of Adak, AlaskaSat, Jan 21, 9:08 AM HAST · 1352 days ago · 35 km deep · 96 km away
15. 1.591 km W of Adak, AlaskaSat, Jan 21, 3:21 AM HAST · 1352 days ago · 6 km deep · 54 km away
16. 2.184 km W of Adak, AlaskaFri, Jan 20, 10:42 PM HAST · 1353 days ago · 8 km deep · 61 km away
17. 2.5104 km WSW of Adak, AlaskaFri, Jan 20, 6:58 PM HAST · 1353 days ago · 35 km deep · 60 km away
18. 2.6Andreanof Islands, Aleutian Islands, AlaskaThu, Jan 19, 2:14 PM HAST · 1354 days ago · 85 km deep · 51 km away
19. 2.6214 km WSW of Adak, AlaskaThu, Jan 19, 7:10 AM HAST · 1354 days ago · 46 km deep · 81 km away
20. 1.978 km SW of Adak, AlaskaThu, Jan 19, 4:12 AM HAST · 1354 days ago · 14 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91753066. Read Sun, Oct 4, 2026, 9:54 PM UTC.