M1.6 earthquake 48 km ENE of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Mon, Sep 25, 2023, 6:50 AM HADT

UTC

2023-09-25 15:50:16 UTC

Depth

4.9 km (3.0 mi), shallow

Epicenter

52.071° N, 176.004° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.29

Depth from

From location

Station coverage gap

206°, poorly surrounded by stations

Stations used

7

After

1. 1.948 km ENE of Adak, AlaskaMon, Sep 25, 6:54 AM HADT · 1102 days ago · 5 km deep · 0 km away
2. 1.668 km S of Adak, AlaskaTue, Sep 26, 5:34 AM HADT · 1101 days ago · 19 km deep · 95 km away
3. 1.869 km SSE of Adak, AlaskaTue, Sep 26, 11:13 AM HADT · 1100 days ago · 20 km deep · 91 km away
4. 1.839 km ESE of Adak, AlaskaTue, Sep 26, 10:28 PM HADT · 1100 days ago · 62 km deep · 35 km away
5. 2.057 km SSE of Adak, AlaskaThu, Sep 28, 5:45 AM HADT · 1099 days ago · 35 km deep · 77 km away
6. 2.696 km WNW of Atka, AlaskaThu, Sep 28, 10:43 AM HADT · 1098 days ago · 198 km deep · 77 km away
7. 3.662 km SSE of Adak, AlaskaFri, Sep 29, 4:15 AM HADT · 1098 days ago · 35 km deep · 76 km away
8. 2.161 km ESE of Adak, AlaskaSat, Sep 30, 1:02 AM HADT · 1097 days ago · 25 km deep · 56 km away
9. 2.272 km WSW of Atka, AlaskaSat, Sep 30, 5:44 AM HADT · 1097 days ago · 60 km deep · 61 km away
10. 1.946 km SW of Adak, AlaskaSat, Sep 30, 1:59 PM HADT · 1096 days ago · 29 km deep · 93 km away
11. 2.183 km WSW of Atka, AlaskaSat, Sep 30, 2:41 PM HADT · 1096 days ago · 75 km deep · 51 km away
12. 1.8Andreanof Islands, Aleutian Islands, AlaskaSun, Oct 1, 1:15 AM HADT · 1096 days ago · 24 km deep · 63 km away
13. 1.942 km S of Adak, AlaskaSun, Oct 1, 7:14 AM HADT · 1096 days ago · 46 km deep · 75 km away
14. 3.369 km SSE of Adak, AlaskaSun, Oct 1, 10:23 AM HADT · 1095 days ago · 35 km deep · 83 km away
15. 1.640 km SE of Adak, AlaskaSun, Oct 1, 4:58 PM HADT · 1095 days ago · 54 km deep · 48 km away
16. 1.748 km SW of Adak, AlaskaSun, Oct 1, 8:02 PM HADT · 1095 days ago · 41 km deep · 95 km away
17. 2.742 km W of Atka, AlaskaMon, Oct 2, 2:26 AM HADT · 1095 days ago · 10 km deep · 82 km away
18. 1.660 km WSW of Atka, AlaskaMon, Oct 2, 10:39 AM HADT · 1094 days ago · 66 km deep · 69 km away
19. 1.851 km SE of Adak, AlaskaMon, Oct 2, 2:24 PM HADT · 1094 days ago · 47 km deep · 66 km away
20. 1.957 km SW of Atka, AlaskaMon, Oct 2, 6:23 PM HADT · 1094 days ago · 38 km deep · 93 km away
21. 2.797 km ESE of Adak, AlaskaWed, Oct 4, 9:42 AM HADT · 1092 days ago · 35 km deep · 75 km away
22. 1.957 km SE of Adak, AlaskaWed, Oct 4, 10:27 AM HADT · 1092 days ago · 20 km deep · 63 km away
23. 2.527 km S of Adak, AlaskaWed, Oct 4, 11:26 AM HADT · 1092 days ago · 66 km deep · 62 km away
24. 1.958 km SE of Adak, AlaskaWed, Oct 4, 8:08 PM HADT · 1092 days ago · 32 km deep · 62 km away
25. 1.850 km S of Adak, AlaskaWed, Oct 4, 10:20 PM HADT · 1092 days ago · 24 km deep · 81 km away
26. 1.637 km SSE of Adak, AlaskaThu, Oct 5, 6:14 AM HADT · 1092 days ago · 41 km deep · 59 km away
27. 1.767 km SSE of Adak, AlaskaThu, Oct 5, 12:42 PM HADT · 1091 days ago · 24 km deep · 88 km away
28. 1.966 km SW of Atka, AlaskaThu, Oct 5, 2:57 PM HADT · 1091 days ago · 29 km deep · 90 km away
29. 1.647 km W of Atka, AlaskaThu, Oct 5, 8:54 PM HADT · 1091 days ago · 13 km deep · 77 km away
30. 2.962 km WNW of Atka, AlaskaFri, Oct 6, 1:52 PM HADT · 1090 days ago · 201 km deep · 72 km away
31. 3.0103 km SSW of Atka, AlaskaSat, Oct 7, 8:42 AM HADT · 1089 days ago · 35 km deep · 98 km away
32. 2.033 km SE of Adak, AlaskaSun, Oct 8, 1:10 AM HADT · 1089 days ago · 69 km deep · 44 km away
33. 2.578 km SW of Atka, AlaskaSun, Oct 8, 4:04 PM HADT · 1088 days ago · 35 km deep · 87 km away
34. 2.152 km ENE of Adak, AlaskaSun, Oct 8, 8:42 PM HADT · 1088 days ago · 122 km deep · 6 km away
35. 1.741 km SSW of Adak, AlaskaSun, Oct 8, 9:45 PM HADT · 1088 days ago · 44 km deep · 82 km away
36. 1.646 km SSE of Adak, AlaskaMon, Oct 9, 9:27 AM HADT · 1087 days ago · 36 km deep · 71 km away
37. 1.8Andreanof Islands, Aleutian Islands, AlaskaMon, Oct 9, 9:43 AM HADT · 1087 days ago · 26 km deep · 71 km away
38. 1.550 km S of Adak, AlaskaMon, Oct 9, 9:56 AM HADT · 1087 days ago · 24 km deep · 81 km away
39. 2.841 km NE of Adak, AlaskaMon, Oct 9, 11:40 AM HADT · 1087 days ago · 131 km deep · 18 km away
40. 4.194 km NNE of Adak, AlaskaMon, Oct 9, 10:53 PM HADT · 1087 days ago · 213 km deep · 58 km away
41. 2.158 km ENE of Adak, AlaskaTue, Oct 10, 12:49 AM HADT · 1087 days ago · 165 km deep · 13 km away
42. 2.030 km WNW of Adak, AlaskaTue, Oct 10, 6:50 AM HADT · 1087 days ago · 168 km deep · 72 km away
43. 1.882 km ESE of Adak, AlaskaTue, Oct 10, 7:16 AM HADT · 1087 days ago · 51 km deep · 69 km away
44. 2.553 km NNE of Adak, AlaskaTue, Oct 10, 2:10 PM HADT · 1086 days ago · 161 km deep · 27 km away
45. 1.580 km ESE of Adak, AlaskaTue, Oct 10, 8:42 PM HADT · 1086 days ago · 28 km deep · 53 km away
46. 2.182 km ENE of Adak, AlaskaTue, Oct 10, 10:23 PM HADT · 1086 days ago · 100 km deep · 34 km away
47. 2.095 km ESE of Adak, AlaskaWed, Oct 11, 3:54 AM HADT · 1086 days ago · 38 km deep · 71 km away
48. 1.519 km NE of Adak, AlaskaThu, Oct 12, 5:49 PM HADT · 1084 days ago · 10 km deep · 29 km away
49. 2.08 km NE of Adak, AlaskaThu, Oct 12, 6:46 PM HADT · 1084 days ago · 2 km deep · 41 km away
50. 2.565 km E of Adak, AlaskaFri, Oct 13, 12:23 PM HADT · 1083 days ago · 69 km deep · 35 km away
51. 2.230 km SE of Adak, AlaskaSat, Oct 14, 4:32 AM HADT · 1083 days ago · 64 km deep · 48 km away
52. 1.932 km SW of Adak, AlaskaSat, Oct 14, 5:55 AM HADT · 1083 days ago · 72 km deep · 78 km away
53. 2.764 km E of Adak, AlaskaSat, Oct 14, 7:40 AM HADT · 1082 days ago · 145 km deep · 29 km away
54. 2.078 km W of Atka, AlaskaSat, Oct 14, 7:35 PM HADT · 1082 days ago · 106 km deep · 46 km away
55. 2.452 km ESE of Adak, AlaskaSun, Oct 15, 3:34 AM HADT · 1082 days ago · 110 km deep · 37 km away
56. 3.467 km WSW of Atka, AlaskaSun, Oct 15, 3:47 AM HADT · 1082 days ago · 84 km deep · 64 km away
57. 2.780 km SSE of Adak, AlaskaMon, Oct 16, 2:33 AM HADT · 1081 days ago · 35 km deep · 92 km away
58. 6.478 km NNW of Adak, AlaskaMon, Oct 16, 2:35 AM HADT · 1081 days ago · 174 km deep · 83 km away · felt by 12 · tsunami flag
59. 2.735 km SSE of Adak, AlaskaMon, Oct 16, 5:35 PM HADT · 1080 days ago · 45 km deep · 62 km away
60. 1.6Andreanof Islands, Aleutian Islands, AlaskaMon, Oct 16, 6:55 PM HADT · 1080 days ago · 26 km deep · 81 km away

The first 60 of 142.

Before

1. 3.251 km S of Adak, AlaskaSun, Sep 24, 11:27 PM HADT · 1102 days ago · 10 km deep · 88 km away
2. 1.643 km S of Adak, AlaskaSun, Sep 24, 10:25 AM HADT · 1102 days ago · 33 km deep · 77 km away
3. 2.8Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 23, 12:49 PM HADT · 1103 days ago · 138 km deep · 7 km away
4. 1.632 km SSE of Adak, AlaskaFri, Sep 22, 2:32 PM HADT · 1104 days ago · 44 km deep · 57 km away
5. 2.226 km E of Adak, AlaskaTue, Sep 19, 12:43 PM HADT · 1107 days ago · 67 km deep · 29 km away
6. 1.756 km SSE of Adak, AlaskaMon, Sep 18, 11:58 PM HADT · 1108 days ago · 25 km deep · 76 km away
7. 1.836 km W of Adak, AlaskaSun, Sep 17, 8:46 AM HADT · 1109 days ago · 79 km deep · 84 km away
8. 1.792 km ESE of Adak, AlaskaSun, Sep 17, 1:44 AM HADT · 1110 days ago · 29 km deep · 69 km away
9. 1.830 km WSW of Adak, AlaskaFri, Sep 15, 2:19 PM HADT · 1111 days ago · 13 km deep · 78 km away
10. 3.3101 km NNE of Adak, AlaskaFri, Sep 15, 11:15 AM HADT · 1111 days ago · 200 km deep · 66 km away
11. 1.733 km SE of Adak, AlaskaFri, Sep 15, 10:21 AM HADT · 1111 days ago · 64 km deep · 50 km away
12. 3.878 km SE of Adak, AlaskaFri, Sep 15, 10:09 AM HADT · 1111 days ago · 35 km deep · 76 km away
13. 1.757 km S of Adak, AlaskaFri, Sep 15, 4:29 AM HADT · 1112 days ago · 39 km deep · 95 km away
14. 2.759 km S of Adak, AlaskaFri, Sep 15, 2:37 AM HADT · 1112 days ago · 35 km deep · 95 km away
15. 2.0Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 14, 1:06 PM HADT · 1112 days ago · 22 km deep · 71 km away
16. 1.860 km SSE of Adak, AlaskaThu, Sep 14, 7:24 AM HADT · 1112 days ago · 22 km deep · 74 km away
17. 2.649 km S of Adak, AlaskaThu, Sep 14, 1:36 AM HADT · 1113 days ago · 40 km deep · 84 km away
18. 2.650 km WSW of Adak, AlaskaWed, Sep 13, 10:21 PM HADT · 1113 days ago · 78 km deep · 98 km away
19. 1.956 km S of Adak, AlaskaWed, Sep 13, 6:43 PM HADT · 1113 days ago · 37 km deep · 94 km away
20. 2.163 km SE of Adak, AlaskaWed, Sep 13, 6:16 PM HADT · 1113 days ago · 23 km deep · 67 km away

From the USGS Earthquake Hazards Program and its partner networks, event av92057701. Read Thu, Oct 1, 2026, 3:51 AM UTC.