M1.9 earthquake 274 km W of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Oct 28, 2023, 3:47 AM GMT+12

UTC

2023-10-27 15:47:37 UTC

Depth

53.8 km (33.4 mi), shallow

Epicenter

51.479° N, 179.448° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

18

After

1. 2.9Rat Islands, Aleutian Islands, AlaskaSat, Oct 28, 10:29 AM GMT+12 · 1069 days ago · 59 km deep · 70 km away
2. 2.7Rat Islands, Aleutian Islands, AlaskaSat, Oct 28, 3:18 PM GMT+12 · 1069 days ago · 112 km deep · 67 km away
3. 2.7288 km WSW of Adak, AlaskaSun, Oct 29, 1:18 AM GMT+12 · 1069 days ago · 58 km deep · 14 km away
4. 1.8194 km WSW of Adak, AlaskaSat, Oct 28, 4:32 AM HADT · 1069 days ago · 23 km deep · 87 km away
5. 1.9186 km W of Adak, AlaskaSat, Oct 28, 7:22 AM HADT · 1069 days ago · 74 km deep · 88 km away
6. 2.6279 km W of Adak, AlaskaSun, Oct 29, 4:57 AM GMT+12 · 1069 days ago · 151 km deep · 70 km away
7. 2.7224 km WSW of Adak, AlaskaSat, Oct 28, 7:51 PM HADT · 1068 days ago · 25 km deep · 66 km away
8. 2.9Rat Islands, Aleutian Islands, AlaskaMon, Oct 30, 8:09 PM GMT+12 · 1067 days ago · 35 km deep · 72 km away
9. 3.0Rat Islands, Aleutian Islands, AlaskaMon, Oct 30, 8:45 PM GMT+12 · 1067 days ago · 107 km deep · 78 km away
10. 3.7Rat Islands, Aleutian Islands, AlaskaTue, Oct 31, 5:40 AM GMT+12 · 1067 days ago · 50 km deep · 81 km away
11. 1.8Rat Islands, Aleutian Islands, AlaskaTue, Oct 31, 8:38 AM GMT+12 · 1067 days ago · 66 km deep · 46 km away
12. 1.7Rat Islands, Aleutian Islands, AlaskaWed, Nov 1, 4:00 AM GMT+12 · 1066 days ago · 7 km deep · 93 km away
13. 2.7250 km W of Adak, AlaskaWed, Nov 1, 10:38 AM GMT+12 · 1065 days ago · 166 km deep · 52 km away
14. 2.8Rat Islands, Aleutian Islands, AlaskaWed, Nov 1, 12:25 PM GMT+12 · 1065 days ago · 131 km deep · 60 km away
15. 1.6274 km W of Adak, AlaskaWed, Nov 1, 1:06 PM GMT+12 · 1065 days ago · 15 km deep · 35 km away
16. 3.1246 km W of Adak, AlaskaWed, Nov 1, 6:56 PM GMT+12 · 1065 days ago · 184 km deep · 58 km away
17. 2.3299 km WSW of Adak, AlaskaWed, Nov 1, 7:21 PM GMT+12 · 1065 days ago · 23 km deep · 45 km away
18. 2.1276 km WSW of Adak, AlaskaThu, Nov 2, 12:00 AM GMT+12 · 1065 days ago · 15 km deep · 56 km away
19. 1.8235 km WSW of Adak, AlaskaWed, Nov 1, 7:49 AM HADT · 1065 days ago · 18 km deep · 47 km away
20. 1.9Rat Islands, Aleutian Islands, AlaskaThu, Nov 2, 5:11 PM GMT+12 · 1064 days ago · 11 km deep · 94 km away
21. 2.9197 km W of Adak, AlaskaThu, Nov 2, 4:46 AM HADT · 1064 days ago · 104 km deep · 77 km away
22. 3.5233 km WSW of Adak, AlaskaThu, Nov 2, 3:45 PM HADT · 1063 days ago · 60 km deep · 47 km away
23. 3.4241 km WSW of Adak, AlaskaFri, Nov 3, 2:15 AM GMT-12 · 1063 days ago · 24 km deep · 60 km away
24. 2.6222 km WSW of Adak, AlaskaFri, Nov 3, 3:42 PM HADT · 1062 days ago · 74 km deep · 53 km away
25. 2.7260 km WSW of Adak, AlaskaSat, Nov 4, 2:48 PM GMT+12 · 1062 days ago · 74 km deep · 15 km away
26. 3.4Rat Islands, Aleutian Islands, AlaskaSat, Nov 4, 8:12 PM GMT+12 · 1062 days ago · 29 km deep · 57 km away
27. 4.1Rat Islands, Aleutian Islands, AlaskaSat, Nov 4, 9:12 PM GMT+12 · 1062 days ago · 35 km deep · 41 km away
28. 3.1Rat Islands, Aleutian Islands, AlaskaSun, Nov 5, 10:01 AM GMT+12 · 1061 days ago · 96 km deep · 62 km away
29. 2.7232 km W of Adak, AlaskaSat, Nov 4, 7:53 PM HADT · 1061 days ago · 10 km deep · 45 km away
30. 3.4Rat Islands, Aleutian Islands, AlaskaSun, Nov 5, 8:49 PM GMT+12 · 1061 days ago · 77 km deep · 59 km away
31. 5.1Rat Islands, Aleutian Islands, AlaskaMon, Nov 6, 1:27 AM GMT+12 · 1061 days ago · 70 km deep · 77 km away · tsunami flag
32. 2.8288 km WSW of Adak, AlaskaWed, Nov 8, 2:53 PM GMT+12 · 1058 days ago · 32 km deep · 30 km away
33. 3.6219 km WSW of Adak, AlaskaWed, Nov 8, 7:14 PM HAST · 1057 days ago · 35 km deep · 73 km away
34. 2.8220 km WSW of Adak, AlaskaFri, Nov 10, 12:18 PM HAST · 1055 days ago · 35 km deep · 90 km away
35. 2.9212 km WSW of Adak, AlaskaFri, Nov 10, 9:17 PM HAST · 1055 days ago · 10 km deep · 90 km away
36. 2.2Rat Islands, Aleutian Islands, AlaskaSun, Nov 12, 6:56 AM GMT+12 · 1055 days ago · 7 km deep · 95 km away
37. 2.2258 km WSW of Adak, AlaskaSun, Nov 12, 8:26 AM GMT+12 · 1055 days ago · 26 km deep · 25 km away
38. 2.8179 km WSW of Adak, AlaskaSat, Nov 11, 5:44 PM HAST · 1054 days ago · 18 km deep · 99 km away
39. 3.2240 km W of Adak, AlaskaTue, Nov 14, 11:14 AM GMT+12 · 1052 days ago · 74 km deep · 35 km away
40. 4.0Rat Islands, Aleutian Islands, AlaskaWed, Nov 15, 4:20 PM GMT+12 · 1051 days ago · 140 km deep · 92 km away
41. 3.3Rat Islands, Aleutian Islands, AlaskaFri, Nov 17, 1:18 AM GMT+12 · 1050 days ago · 35 km deep · 39 km away
42. 3.0Rat Islands, Aleutian Islands, AlaskaFri, Nov 17, 4:38 AM GMT+12 · 1050 days ago · 73 km deep · 77 km away
43. 2.5241 km WSW of Adak, AlaskaFri, Nov 17, 7:38 AM GMT+12 · 1050 days ago · 73 km deep · 34 km away
44. 2.6241 km WSW of Adak, AlaskaFri, Nov 17, 11:38 AM GMT+12 · 1049 days ago · 10 km deep · 33 km away
45. 1.9Rat Islands, Aleutian Islands, AlaskaFri, Nov 17, 12:10 PM GMT+12 · 1049 days ago · 24 km deep · 28 km away
46. 2.1243 km W of Adak, AlaskaFri, Nov 17, 7:53 PM GMT+12 · 1049 days ago · 7 km deep · 31 km away
47. 1.9247 km W of Adak, AlaskaFri, Nov 17, 10:56 PM GMT+12 · 1049 days ago · 23 km deep · 27 km away
48. 2.7Rat Islands, Aleutian Islands, AlaskaFri, Nov 17, 11:38 PM GMT+12 · 1049 days ago · 68 km deep · 46 km away
49. 2.8243 km WSW of Adak, AlaskaSat, Nov 18, 6:33 AM GMT+12 · 1049 days ago · 10 km deep · 33 km away
50. 2.7243 km WSW of Adak, AlaskaSat, Nov 18, 7:09 AM GMT+12 · 1049 days ago · 9 km deep · 32 km away
51. 3.1254 km WSW of Adak, AlaskaSat, Nov 18, 11:01 AM GMT+12 · 1048 days ago · 26 km deep · 39 km away
52. 2.1240 km W of Adak, AlaskaSat, Nov 18, 6:34 PM GMT+12 · 1048 days ago · 7 km deep · 34 km away
53. 2.6239 km WSW of Adak, AlaskaSun, Nov 19, 12:25 AM GMT+12 · 1048 days ago · 10 km deep · 36 km away
54. 2.1242 km W of Adak, AlaskaSun, Nov 19, 12:46 AM GMT+12 · 1048 days ago · 6 km deep · 32 km away
55. 2.3209 km W of Adak, AlaskaSat, Nov 18, 6:23 AM HAST · 1048 days ago · 71 km deep · 65 km away
56. 2.5240 km W of Adak, AlaskaSun, Nov 19, 3:49 PM GMT+12 · 1047 days ago · 10 km deep · 34 km away
57. 3.1239 km WSW of Adak, AlaskaSun, Nov 19, 12:33 AM GMT-12 · 1047 days ago · 16 km deep · 61 km away
58. 3.0205 km W of Adak, AlaskaMon, Nov 20, 3:04 PM HAST · 1045 days ago · 104 km deep · 74 km away
59. 4.2Rat Islands, Aleutian Islands, AlaskaThu, Nov 23, 1:00 AM GMT+12 · 1044 days ago · 76 km deep · 59 km away
60. 3.0Rat Islands, Aleutian Islands, AlaskaSat, Nov 25, 4:42 PM GMT+12 · 1041 days ago · 35 km deep · 78 km away

The first 60 of 104.

Before

1. 1.7Rat Islands, Aleutian Islands, AlaskaFri, Oct 27, 11:43 AM GMT+12 · 1070 days ago · 70 km deep · 59 km away
2. 1.9237 km WSW of Adak, AlaskaThu, Oct 26, 9:23 AM GMT-12 · 1071 days ago · 22 km deep · 49 km away
3. 2.0202 km WSW of Adak, AlaskaThu, Oct 26, 9:19 AM HADT · 1071 days ago · 60 km deep · 73 km away
4. 1.8212 km W of Adak, AlaskaThu, Oct 26, 6:17 AM HADT · 1071 days ago · 65 km deep · 62 km away
5. 2.6Rat Islands, Aleutian Islands, AlaskaThu, Oct 26, 11:11 AM GMT+12 · 1071 days ago · 94 km deep · 63 km away
6. 3.3206 km W of Adak, AlaskaWed, Oct 25, 8:42 AM HADT · 1072 days ago · 106 km deep · 74 km away
7. 2.4Rat Islands, Aleutian Islands, AlaskaWed, Oct 25, 10:12 PM GMT+12 · 1072 days ago · 83 km deep · 66 km away
8. 2.5Rat Islands, Aleutian Islands, AlaskaWed, Oct 25, 1:35 PM GMT+12 · 1072 days ago · 82 km deep · 62 km away
9. 2.8263 km WSW of Adak, AlaskaWed, Oct 25, 7:14 AM GMT+12 · 1073 days ago · 25 km deep · 37 km away
10. 2.6208 km WSW of Adak, AlaskaTue, Oct 24, 8:04 AM HADT · 1073 days ago · 35 km deep · 98 km away
11. 2.8204 km W of Adak, AlaskaTue, Oct 24, 6:18 AM HADT · 1073 days ago · 92 km deep · 71 km away
12. 1.9Rat Islands, Aleutian Islands, AlaskaTue, Oct 24, 6:21 PM GMT+12 · 1073 days ago · 71 km deep · 44 km away
13. 3.6184 km WSW of Adak, AlaskaMon, Oct 23, 9:17 PM HADT · 1073 days ago · 95 km deep · 91 km away
14. 2.8193 km WSW of Adak, AlaskaMon, Oct 23, 4:26 PM HADT · 1073 days ago · 33 km deep · 100 km away
15. 2.6Rat Islands, Aleutian Islands, AlaskaTue, Oct 24, 3:04 AM GMT+12 · 1074 days ago · 24 km deep · 66 km away
16. 2.7Rat Islands, Aleutian Islands, AlaskaTue, Oct 24, 3:04 AM GMT+12 · 1074 days ago · 24 km deep · 56 km away
17. 2.8297 km WSW of Adak, AlaskaMon, Oct 23, 11:21 PM GMT+12 · 1074 days ago · 26 km deep · 52 km away
18. 2.9Rat Islands, Aleutian Islands, AlaskaMon, Oct 23, 11:19 PM GMT+12 · 1074 days ago · 22 km deep · 60 km away
19. 2.6299 km WSW of Adak, AlaskaMon, Oct 23, 11:16 PM GMT+12 · 1074 days ago · 10 km deep · 83 km away
20. 2.8Rat Islands, Aleutian Islands, AlaskaMon, Oct 23, 10:58 PM GMT+12 · 1074 days ago · 10 km deep · 67 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak023dsefrps. Read Thu, Oct 1, 2026, 9:17 AM UTC.