M1.9 earthquake 129 km WSW of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Sep 30, 2023, 6:25 PM HADT

UTC

2023-10-01 03:25:23 UTC

Depth

25.6 km (15.9 mi), shallow

Epicenter

51.289° N, 178.256° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

After

1. 1.993 km SW of Adak, AlaskaSat, Sep 30, 6:41 PM HADT · 1096 days ago · 13 km deep · 40 km away
2. 1.964 km SSW of Adak, AlaskaSat, Sep 30, 7:47 PM HADT · 1096 days ago · 26 km deep · 87 km away
3. 2.559 km WSW of Adak, AlaskaSun, Oct 1, 9:16 AM HADT · 1096 days ago · 15 km deep · 71 km away
4. 1.8101 km SW of Adak, AlaskaSun, Oct 1, 1:44 PM HADT · 1095 days ago · 43 km deep · 32 km away
5. 1.748 km SW of Adak, AlaskaSun, Oct 1, 8:02 PM HADT · 1095 days ago · 41 km deep · 87 km away
6. 2.0Andreanof Islands, Aleutian Islands, AlaskaMon, Oct 2, 5:34 AM HADT · 1095 days ago · 18 km deep · 78 km away
7. 1.699 km SW of Adak, AlaskaMon, Oct 2, 5:53 AM HADT · 1095 days ago · 25 km deep · 41 km away
8. 1.898 km SW of Adak, AlaskaMon, Oct 2, 6:07 AM HADT · 1095 days ago · 22 km deep · 47 km away
9. 2.1129 km SW of Adak, AlaskaMon, Oct 2, 8:55 AM HADT · 1095 days ago · 26 km deep · 17 km away
10. 2.5113 km WSW of Adak, AlaskaMon, Oct 2, 3:51 PM HADT · 1094 days ago · 35 km deep · 17 km away
11. 3.2190 km WSW of Adak, AlaskaTue, Oct 3, 7:06 PM HADT · 1093 days ago · 35 km deep · 70 km away
12. 1.894 km WSW of Adak, AlaskaWed, Oct 4, 3:39 PM HADT · 1092 days ago · 13 km deep · 36 km away
13. 2.5136 km W of Adak, AlaskaWed, Oct 4, 6:22 PM HADT · 1092 days ago · 136 km deep · 57 km away
14. 2.0143 km WSW of Adak, AlaskaThu, Oct 5, 3:45 AM HADT · 1092 days ago · 29 km deep · 17 km away
15. 1.693 km WSW of Adak, AlaskaThu, Oct 5, 3:45 AM HADT · 1092 days ago · 36 km deep · 36 km away
16. 1.770 km SSW of Adak, AlaskaThu, Oct 5, 4:13 AM HADT · 1092 days ago · 32 km deep · 87 km away
17. 1.9139 km WSW of Adak, AlaskaThu, Oct 5, 6:52 AM HADT · 1092 days ago · 23 km deep · 10 km away
18. 2.6127 km WSW of Adak, AlaskaThu, Oct 5, 11:33 AM HADT · 1092 days ago · 33 km deep · 9 km away
19. 2.2150 km W of Adak, AlaskaThu, Oct 5, 12:16 PM HADT · 1092 days ago · 142 km deep · 77 km away
20. 1.593 km WSW of Adak, AlaskaThu, Oct 5, 12:55 PM HADT · 1091 days ago · 23 km deep · 37 km away
21. 1.569 km WSW of Adak, AlaskaThu, Oct 5, 7:42 PM HADT · 1091 days ago · 28 km deep · 60 km away
22. 1.778 km SW of Adak, AlaskaSat, Oct 7, 3:08 AM HADT · 1090 days ago · 35 km deep · 51 km away
23. 2.1187 km W of Adak, AlaskaSat, Oct 7, 3:26 AM HADT · 1090 days ago · 74 km deep · 87 km away
24. 1.860 km SSW of Adak, AlaskaSat, Oct 7, 10:14 AM HADT · 1090 days ago · 51 km deep · 82 km away
25. 1.7114 km WSW of Adak, AlaskaSat, Oct 7, 11:12 AM HADT · 1090 days ago · 26 km deep · 17 km away
26. 1.767 km WSW of Adak, AlaskaSat, Oct 7, 6:41 PM HADT · 1089 days ago · 16 km deep · 63 km away
27. 1.888 km WSW of Adak, AlaskaSat, Oct 7, 11:25 PM HADT · 1089 days ago · 13 km deep · 42 km away
28. 2.893 km W of Adak, AlaskaSun, Oct 8, 12:12 PM HADT · 1089 days ago · 202 km deep · 77 km away
29. 1.6Andreanof Islands, Aleutian Islands, AlaskaMon, Oct 9, 5:42 AM HADT · 1088 days ago · 26 km deep · 44 km away
30. 1.594 km WSW of Adak, AlaskaMon, Oct 9, 7:37 AM HADT · 1088 days ago · 13 km deep · 35 km away
31. 2.0138 km SW of Adak, AlaskaMon, Oct 9, 8:42 AM HADT · 1088 days ago · 21 km deep · 21 km away
32. 2.7175 km WSW of Adak, AlaskaMon, Oct 9, 5:52 PM HADT · 1087 days ago · 30 km deep · 58 km away
33. 1.8119 km SW of Adak, AlaskaTue, Oct 10, 12:30 AM HADT · 1087 days ago · 26 km deep · 14 km away
34. 1.8125 km WSW of Adak, AlaskaTue, Oct 10, 6:17 AM HADT · 1087 days ago · 6 km deep · 24 km away
35. 3.4123 km WSW of Adak, AlaskaWed, Oct 11, 1:09 AM HADT · 1086 days ago · 32 km deep · 20 km away
36. 1.9180 km WSW of Adak, AlaskaWed, Oct 11, 2:18 AM HADT · 1086 days ago · 24 km deep · 62 km away
37. 2.7103 km SW of Adak, AlaskaWed, Oct 11, 11:04 PM HADT · 1085 days ago · 35 km deep · 35 km away
38. 3.5107 km SW of Adak, AlaskaThu, Oct 12, 2:31 PM HADT · 1084 days ago · 43 km deep · 33 km away
39. 3.5156 km WSW of Adak, AlaskaThu, Oct 12, 8:22 PM HADT · 1084 days ago · 24 km deep · 27 km away
40. 3.4150 km WSW of Adak, AlaskaFri, Oct 13, 8:23 AM HADT · 1084 days ago · 28 km deep · 21 km away
41. 3.1146 km WSW of Adak, AlaskaFri, Oct 13, 10:50 PM HADT · 1083 days ago · 35 km deep · 16 km away
42. 2.163 km SW of Adak, AlaskaSat, Oct 14, 2:01 AM HADT · 1083 days ago · 59 km deep · 70 km away
43. 2.7130 km SW of Adak, AlaskaSat, Oct 14, 8:00 AM HADT · 1083 days ago · 35 km deep · 12 km away
44. 2.6186 km WSW of Adak, AlaskaSat, Oct 14, 8:34 AM HADT · 1083 days ago · 33 km deep · 70 km away
45. 1.968 km SSW of Adak, AlaskaSat, Oct 14, 3:03 PM HADT · 1082 days ago · 37 km deep · 98 km away
46. 2.585 km SW of Adak, AlaskaSun, Oct 15, 6:04 AM HADT · 1082 days ago · 35 km deep · 50 km away
47. 3.9204 km WSW of Adak, AlaskaMon, Oct 16, 5:05 AM HADT · 1081 days ago · 10 km deep · 75 km away
48. 1.855 km SW of Adak, AlaskaMon, Oct 16, 8:52 AM HADT · 1081 days ago · 44 km deep · 84 km away
49. 2.1175 km W of Adak, AlaskaMon, Oct 16, 3:33 PM HADT · 1080 days ago · 64 km deep · 70 km away
50. 2.2201 km W of Adak, AlaskaTue, Oct 17, 12:47 AM HADT · 1080 days ago · 76 km deep · 98 km away
51. 2.8130 km W of Adak, AlaskaTue, Oct 17, 3:06 AM HADT · 1080 days ago · 10 km deep · 45 km away
52. 1.8146 km W of Adak, AlaskaTue, Oct 17, 3:54 AM HADT · 1080 days ago · 13 km deep · 51 km away
53. 2.088 km SW of Adak, AlaskaTue, Oct 17, 6:05 PM HADT · 1079 days ago · 34 km deep · 46 km away
54. 1.8132 km WSW of Adak, AlaskaTue, Oct 17, 7:43 PM HADT · 1079 days ago · 37 km deep · 17 km away
55. 1.8135 km WSW of Adak, AlaskaTue, Oct 17, 9:11 PM HADT · 1079 days ago · 26 km deep · 10 km away
56. 2.1131 km WSW of Adak, AlaskaTue, Oct 17, 10:41 PM HADT · 1079 days ago · 17 km deep · 2 km away
57. 2.0132 km WSW of Adak, AlaskaWed, Oct 18, 12:38 AM HADT · 1079 days ago · 24 km deep · 3 km away
58. 2.962 km SSW of Adak, AlaskaWed, Oct 18, 3:14 PM HADT · 1078 days ago · 35 km deep · 82 km away
59. 2.250 km W of Adak, AlaskaThu, Oct 19, 8:20 AM HADT · 1078 days ago · 94 km deep · 93 km away
60. 2.769 km SSW of Adak, AlaskaThu, Oct 19, 12:17 PM HADT · 1077 days ago · 35 km deep · 82 km away

The first 60 of 165.

Before

1. 1.946 km SW of Adak, AlaskaSat, Sep 30, 1:59 PM HADT · 1096 days ago · 29 km deep · 87 km away
2. 2.1189 km WSW of Adak, AlaskaSat, Sep 30, 12:58 PM HADT · 1096 days ago · 23 km deep · 68 km away
3. 2.2120 km WSW of Adak, AlaskaFri, Sep 29, 5:10 PM HADT · 1097 days ago · 15 km deep · 18 km away
4. 2.7221 km WSW of Adak, AlaskaFri, Sep 29, 4:05 PM HADT · 1097 days ago · 56 km deep · 100 km away
5. 2.7134 km SW of Adak, AlaskaFri, Sep 29, 6:55 AM HADT · 1098 days ago · 35 km deep · 10 km away
6. 3.7100 km WSW of Adak, AlaskaThu, Sep 28, 10:40 PM HADT · 1098 days ago · 82 km deep · 33 km away
7. 1.7106 km WSW of Adak, AlaskaThu, Sep 28, 6:51 PM HADT · 1098 days ago · 11 km deep · 24 km away
8. 1.7123 km WSW of Adak, AlaskaThu, Sep 28, 4:51 PM HADT · 1098 days ago · 14 km deep · 19 km away
9. 1.662 km SSW of Adak, AlaskaThu, Sep 28, 4:06 PM HADT · 1098 days ago · 25 km deep · 88 km away
10. 1.6112 km WSW of Adak, AlaskaThu, Sep 28, 2:09 PM HADT · 1098 days ago · 13 km deep · 28 km away
11. 1.8Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 28, 1:01 PM HADT · 1098 days ago · 41 km deep · 97 km away
12. 2.3110 km WSW of Adak, AlaskaWed, Sep 27, 2:30 PM HADT · 1099 days ago · 7 km deep · 27 km away
13. 3.072 km SSW of Adak, AlaskaWed, Sep 27, 7:05 AM HADT · 1100 days ago · 35 km deep · 77 km away
14. 1.675 km SW of Adak, AlaskaWed, Sep 27, 5:46 AM HADT · 1100 days ago · 45 km deep · 56 km away
15. 2.2122 km W of Adak, AlaskaTue, Sep 26, 9:08 PM HADT · 1100 days ago · 14 km deep · 65 km away
16. 1.8116 km SW of Adak, AlaskaTue, Sep 26, 8:46 PM HADT · 1100 days ago · 13 km deep · 17 km away
17. 1.8181 km WSW of Adak, AlaskaTue, Sep 26, 5:35 AM HADT · 1101 days ago · 56 km deep · 67 km away
18. 1.5116 km WSW of Adak, AlaskaTue, Sep 26, 4:40 AM HADT · 1101 days ago · 51 km deep · 25 km away
19. 1.8128 km WSW of Adak, AlaskaTue, Sep 26, 4:22 AM HADT · 1101 days ago · 15 km deep · 13 km away
20. 1.8134 km W of Adak, AlaskaMon, Sep 25, 2:37 PM HADT · 1101 days ago · 13 km deep · 51 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak023cl76std. Read Thu, Oct 1, 2026, 8:46 AM UTC.