M1.6 earthquake 87 km W of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Thu, Oct 26, 2023, 10:56 AM HADT

UTC

2023-10-26 19:56:26 UTC

Depth

4.8 km (3.0 mi), shallow

Epicenter

51.859° N, 177.902° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.2 km in depth

Magnitude uncertainty

±0.34

Depth from

From location

Station coverage gap

181°, poorly surrounded by stations

Stations used

6

After

1. 2.695 km WSW of Adak, AlaskaThu, Oct 26, 5:18 PM HADT · 1071 days ago · 61 km deep · 39 km away
2. 1.576 km WSW of Adak, AlaskaFri, Oct 27, 4:35 AM HADT · 1071 days ago · 23 km deep · 41 km away
3. 1.693 km SW of Adak, AlaskaFri, Oct 27, 8:41 AM HADT · 1070 days ago · 40 km deep · 53 km away
4. 3.972 km SW of Adak, AlaskaFri, Oct 27, 11:38 PM HADT · 1070 days ago · 60 km deep · 53 km away
5. 1.551 km S of Adak, AlaskaSat, Oct 28, 2:57 AM HADT · 1070 days ago · 24 km deep · 97 km away
6. 2.8170 km WSW of Adak, AlaskaSat, Oct 28, 9:32 AM HADT · 1069 days ago · 32 km deep · 89 km away
7. 2.0124 km WSW of Adak, AlaskaSat, Oct 28, 3:21 PM HADT · 1069 days ago · 5 km deep · 50 km away
8. 2.641 km S of Adak, AlaskaSat, Oct 28, 6:40 PM HADT · 1069 days ago · 34 km deep · 91 km away
9. 2.194 km WSW of Adak, AlaskaSun, Oct 29, 11:20 AM HADT · 1068 days ago · 59 km deep · 48 km away
10. 2.0118 km SW of Adak, AlaskaSun, Oct 29, 11:44 AM HADT · 1068 days ago · 21 km deep · 74 km away
11. 2.156 km W of Adak, AlaskaSun, Oct 29, 1:22 PM HADT · 1068 days ago · 104 km deep · 31 km away
12. 1.8154 km WSW of Adak, AlaskaMon, Oct 30, 3:05 PM HADT · 1067 days ago · 19 km deep · 80 km away
13. 1.7133 km WSW of Adak, AlaskaMon, Oct 30, 3:26 PM HADT · 1067 days ago · 8 km deep · 50 km away
14. 1.7117 km WSW of Adak, AlaskaMon, Oct 30, 4:05 PM HADT · 1067 days ago · 25 km deep · 53 km away
15. 2.698 km WSW of Adak, AlaskaMon, Oct 30, 8:31 PM HADT · 1067 days ago · 68 km deep · 36 km away
16. 2.1107 km W of Adak, AlaskaTue, Oct 31, 8:24 PM HADT · 1066 days ago · 133 km deep · 23 km away
17. 1.527 km SW of Adak, AlaskaWed, Nov 1, 3:41 AM HADT · 1066 days ago · 70 km deep · 71 km away
18. 3.1152 km WSW of Adak, AlaskaWed, Nov 1, 4:44 AM HADT · 1065 days ago · 35 km deep · 77 km away
19. 1.9154 km WSW of Adak, AlaskaWed, Nov 1, 6:28 AM HADT · 1065 days ago · 75 km deep · 69 km away
20. 2.6101 km WSW of Adak, AlaskaThu, Nov 2, 10:35 PM HADT · 1064 days ago · 60 km deep · 50 km away
21. 3.1140 km W of Adak, AlaskaThu, Nov 2, 10:50 PM HADT · 1064 days ago · 100 km deep · 53 km away
22. 3.243 km SSW of Adak, AlaskaFri, Nov 3, 7:51 AM HADT · 1063 days ago · 35 km deep · 88 km away
23. 1.850 km S of Adak, AlaskaSat, Nov 4, 1:48 AM HADT · 1063 days ago · 32 km deep · 92 km away
24. 2.1143 km W of Adak, AlaskaSat, Nov 4, 2:52 AM HADT · 1063 days ago · 94 km deep · 56 km away
25. 3.6145 km WSW of Adak, AlaskaTue, Nov 7, 10:22 AM HAST · 1059 days ago · 35 km deep · 77 km away
26. 1.959 km WSW of Adak, AlaskaTue, Nov 7, 2:03 PM HAST · 1059 days ago · 20 km deep · 47 km away
27. 3.5136 km WSW of Adak, AlaskaWed, Nov 8, 2:03 AM HAST · 1059 days ago · 35 km deep · 73 km away
28. 4.144 km S of Adak, AlaskaWed, Nov 8, 6:07 PM HAST · 1058 days ago · 35 km deep · 96 km away
29. 2.0Andreanof Islands, Aleutian Islands, AlaskaWed, Nov 8, 11:59 PM HAST · 1058 days ago · 30 km deep · 86 km away
30. 3.595 km WSW of Adak, AlaskaThu, Nov 9, 1:21 AM HAST · 1058 days ago · 66 km deep · 38 km away
31. 3.0149 km WSW of Adak, AlaskaThu, Nov 9, 9:43 PM HAST · 1057 days ago · 35 km deep · 85 km away
32. 2.638 km S of Adak, AlaskaFri, Nov 10, 3:29 PM HAST · 1056 days ago · 48 km deep · 89 km away
33. 2.978 km SW of Adak, AlaskaFri, Nov 10, 4:49 PM HAST · 1056 days ago · 56 km deep · 62 km away
34. 2.8134 km WSW of Adak, AlaskaFri, Nov 10, 7:54 PM HAST · 1056 days ago · 35 km deep · 69 km away
35. 2.7150 km WSW of Adak, AlaskaSat, Nov 11, 6:11 AM HAST · 1055 days ago · 35 km deep · 88 km away
36. 3.230 km W of Adak, AlaskaSat, Nov 11, 10:23 AM HAST · 1055 days ago · 83 km deep · 57 km away
37. 2.7165 km WSW of Adak, AlaskaSat, Nov 11, 12:07 PM HAST · 1055 days ago · 18 km deep · 86 km away
38. 3.589 km W of Adak, AlaskaSat, Nov 11, 4:58 PM HAST · 1055 days ago · 7 km deep · 4 km away
39. 1.689 km W of Adak, AlaskaSat, Nov 11, 5:02 PM HAST · 1055 days ago · 6 km deep · 2 km away
40. 1.889 km W of Adak, AlaskaSat, Nov 11, 5:19 PM HAST · 1055 days ago · 6 km deep · 2 km away
41. 2.8179 km WSW of Adak, AlaskaSat, Nov 11, 5:44 PM HAST · 1055 days ago · 18 km deep · 97 km away
42. 2.089 km W of Adak, AlaskaSat, Nov 11, 5:48 PM HAST · 1055 days ago · 5 km deep · 2 km away
43. 3.654 km WSW of Adak, AlaskaSun, Nov 12, 12:41 AM HAST · 1055 days ago · 86 km deep · 42 km away
44. 2.059 km SW of Adak, AlaskaSun, Nov 12, 10:07 AM HAST · 1054 days ago · 49 km deep · 62 km away
45. 2.291 km WSW of Adak, AlaskaSun, Nov 12, 5:48 PM HAST · 1054 days ago · 75 km deep · 32 km away
46. 1.6139 km W of Adak, AlaskaMon, Nov 13, 12:02 AM HAST · 1054 days ago · 15 km deep · 52 km away
47. 2.088 km WSW of Adak, AlaskaMon, Nov 13, 12:51 PM HAST · 1053 days ago · 47 km deep · 34 km away
48. 2.9147 km WSW of Adak, AlaskaMon, Nov 13, 9:05 PM HAST · 1053 days ago · 34 km deep · 84 km away
49. 1.935 km S of Adak, AlaskaMon, Nov 13, 11:46 PM HAST · 1053 days ago · 36 km deep · 92 km away
50. 2.793 km SW of Adak, AlaskaTue, Nov 14, 9:21 AM HAST · 1052 days ago · 35 km deep · 67 km away
51. 3.6133 km SW of Adak, AlaskaWed, Nov 15, 12:32 PM HAST · 1051 days ago · 21 km deep · 84 km away
52. 2.5132 km SW of Adak, AlaskaWed, Nov 15, 8:54 PM HAST · 1051 days ago · 35 km deep · 79 km away
53. 2.2130 km SW of Adak, AlaskaThu, Nov 16, 3:52 AM HAST · 1050 days ago · 27 km deep · 74 km away
54. 2.1130 km SW of Adak, AlaskaThu, Nov 16, 6:04 AM HAST · 1050 days ago · 22 km deep · 77 km away
55. 2.2145 km WSW of Adak, AlaskaThu, Nov 16, 6:34 AM HAST · 1050 days ago · 18 km deep · 80 km away
56. 2.1131 km SW of Adak, AlaskaThu, Nov 16, 8:05 AM HAST · 1050 days ago · 22 km deep · 79 km away
57. 2.1160 km WSW of Adak, AlaskaThu, Nov 16, 10:18 PM HAST · 1050 days ago · 15 km deep · 76 km away
58. 2.9156 km WSW of Adak, AlaskaFri, Nov 17, 2:40 AM HAST · 1050 days ago · 15 km deep · 81 km away
59. 4.132 km N of Adak, AlaskaFri, Nov 17, 4:53 AM HAST · 1049 days ago · 130 km deep · 94 km away
60. 2.4Andreanof Islands, Aleutian Islands, AlaskaFri, Nov 17, 5:24 AM HAST · 1049 days ago · 50 km deep · 70 km away

The first 60 of at least 199.

Before

1. 1.827 km SSW of Adak, AlaskaThu, Oct 26, 5:21 AM HADT · 1071 days ago · 62 km deep · 76 km away
2. 3.0124 km WSW of Adak, AlaskaWed, Oct 25, 4:41 PM HADT · 1072 days ago · 33 km deep · 59 km away
3. 1.566 km SSW of Adak, AlaskaTue, Oct 24, 11:03 PM HADT · 1073 days ago · 21 km deep · 88 km away
4. 1.695 km WSW of Adak, AlaskaTue, Oct 24, 2:32 PM HADT · 1073 days ago · 37 km deep · 49 km away
5. 3.6184 km WSW of Adak, AlaskaMon, Oct 23, 9:17 PM HADT · 1074 days ago · 95 km deep · 99 km away
6. 2.1157 km WSW of Adak, AlaskaMon, Oct 23, 10:45 AM HADT · 1074 days ago · 26 km deep · 93 km away
7. 2.066 km SSW of Adak, AlaskaSun, Oct 22, 7:08 PM HADT · 1075 days ago · 38 km deep · 94 km away
8. 1.934 km SSW of Adak, AlaskaSun, Oct 22, 5:05 PM HADT · 1075 days ago · 62 km deep · 76 km away
9. 1.788 km WSW of Adak, AlaskaSun, Oct 22, 5:37 AM HADT · 1075 days ago · 30 km deep · 45 km away
10. 1.9110 km WSW of Adak, AlaskaSun, Oct 22, 5:32 AM HADT · 1075 days ago · 68 km deep · 30 km away
11. 2.1183 km W of Adak, AlaskaSun, Oct 22, 1:15 AM HADT · 1076 days ago · 90 km deep · 96 km away
12. 2.7115 km WSW of Adak, AlaskaSat, Oct 21, 8:24 PM HADT · 1076 days ago · 12 km deep · 56 km away
13. 1.8Andreanof Islands, Aleutian Islands, AlaskaSat, Oct 21, 6:57 AM HADT · 1076 days ago · 71 km deep · 72 km away
14. 1.838 km SW of Adak, AlaskaThu, Oct 19, 8:19 PM HADT · 1078 days ago · 52 km deep · 61 km away
15. 1.8111 km WSW of Adak, AlaskaThu, Oct 19, 5:29 PM HADT · 1078 days ago · 13 km deep · 41 km away
16. 1.889 km WSW of Adak, AlaskaThu, Oct 19, 2:39 PM HADT · 1078 days ago · 13 km deep · 46 km away
17. 2.769 km SSW of Adak, AlaskaThu, Oct 19, 12:17 PM HADT · 1078 days ago · 35 km deep · 83 km away
18. 2.250 km W of Adak, AlaskaThu, Oct 19, 8:20 AM HADT · 1078 days ago · 94 km deep · 38 km away
19. 2.737 km SSW of Adak, AlaskaWed, Oct 18, 4:22 PM HADT · 1079 days ago · 35 km deep · 86 km away
20. 2.962 km SSW of Adak, AlaskaWed, Oct 18, 3:14 PM HADT · 1079 days ago · 35 km deep · 77 km away

From the USGS Earthquake Hazards Program and its partner networks, event av92097131. Read Fri, Oct 2, 2026, 1:11 AM UTC.