M2.5 earthquake 141 km SW of Adak, Alaska

Magnitude

2.5 (ml), micro

Local time

Sat, Sep 2, 2023, 12:50 AM HADT

UTC

2023-09-02 09:50:39 UTC

Depth

35.0 km (21.7 mi), shallow

Epicenter

51.169° N, 178.332° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.3 km horizontally, 2.0 km in depth

Magnitude uncertainty

±0.13

Depth from

Operator assigned

Station coverage gap

242°, poorly surrounded by stations

Stations used

14

After

1. 1.953 km SSW of Adak, AlaskaSat, Sep 2, 11:15 PM HADT · 1124 days ago · 49 km deep · 96 km away
2. 1.868 km SW of Adak, AlaskaSun, Sep 3, 6:46 AM HADT · 1123 days ago · 48 km deep · 73 km away
3. 2.2169 km WSW of Adak, AlaskaSun, Sep 3, 8:37 AM HADT · 1123 days ago · 26 km deep · 32 km away
4. 2.086 km SW of Adak, AlaskaSun, Sep 3, 9:26 AM HADT · 1123 days ago · 26 km deep · 61 km away
5. 1.9112 km WSW of Adak, AlaskaSun, Sep 3, 3:43 PM HADT · 1123 days ago · 13 km deep · 38 km away
6. 1.751 km SW of Adak, AlaskaMon, Sep 4, 5:36 AM HADT · 1122 days ago · 44 km deep · 95 km away
7. 2.1209 km WSW of Adak, AlaskaMon, Sep 4, 10:33 AM HADT · 1122 days ago · 16 km deep · 85 km away
8. 3.268 km SW of Adak, AlaskaMon, Sep 4, 5:59 PM HADT · 1122 days ago · 65 km deep · 73 km away
9. 2.8204 km WSW of Adak, AlaskaMon, Sep 4, 11:19 PM HADT · 1122 days ago · 35 km deep · 65 km away
10. 1.6139 km WSW of Adak, AlaskaTue, Sep 5, 12:33 PM HADT · 1121 days ago · 24 km deep · 12 km away
11. 2.0103 km WSW of Adak, AlaskaTue, Sep 5, 6:02 PM HADT · 1121 days ago · 68 km deep · 50 km away
12. 3.9130 km WSW of Adak, AlaskaTue, Sep 5, 10:04 PM HADT · 1121 days ago · 36 km deep · 13 km away
13. 1.8155 km WSW of Adak, AlaskaTue, Sep 5, 10:29 PM HADT · 1121 days ago · 39 km deep · 41 km away
14. 1.9185 km WSW of Adak, AlaskaWed, Sep 6, 12:45 AM HADT · 1121 days ago · 22 km deep · 64 km away
15. 1.5103 km SW of Adak, AlaskaWed, Sep 6, 4:36 AM HADT · 1121 days ago · 20 km deep · 54 km away
16. 1.597 km WSW of Adak, AlaskaWed, Sep 6, 4:51 AM HADT · 1121 days ago · 37 km deep · 44 km away
17. 1.6175 km WSW of Adak, AlaskaThu, Sep 7, 12:06 AM HADT · 1120 days ago · 17 km deep · 49 km away
18. 1.5Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 7, 5:28 AM HADT · 1119 days ago · 12 km deep · 51 km away
19. 1.676 km WSW of Adak, AlaskaThu, Sep 7, 10:42 AM HADT · 1119 days ago · 45 km deep · 65 km away
20. 1.891 km WSW of Adak, AlaskaThu, Sep 7, 12:33 PM HADT · 1119 days ago · 28 km deep · 51 km away
21. 1.9136 km WSW of Adak, AlaskaThu, Sep 7, 6:09 PM HADT · 1119 days ago · 23 km deep · 6 km away
22. 1.7132 km WSW of Adak, AlaskaFri, Sep 8, 2:55 AM HADT · 1119 days ago · 11 km deep · 42 km away
23. 2.1101 km W of Adak, AlaskaFri, Sep 8, 3:27 AM HADT · 1119 days ago · 84 km deep · 88 km away
24. 1.679 km W of Adak, AlaskaFri, Sep 8, 7:39 AM HADT · 1118 days ago · -2 km deep · 85 km away
25. 1.9114 km WSW of Adak, AlaskaFri, Sep 8, 9:01 AM HADT · 1118 days ago · 39 km deep · 33 km away
26. 3.0214 km WSW of Adak, AlaskaSat, Sep 9, 11:28 AM HADT · 1117 days ago · 10 km deep · 74 km away
27. 2.168 km SW of Adak, AlaskaSat, Sep 9, 2:05 PM HADT · 1117 days ago · 32 km deep · 74 km away
28. 2.7194 km W of Adak, AlaskaSat, Sep 9, 3:59 PM HADT · 1117 days ago · 100 km deep · 99 km away
29. 4.0201 km WSW of Adak, AlaskaSat, Sep 9, 5:23 PM HADT · 1117 days ago · 46 km deep · 66 km away
30. 1.689 km WSW of Adak, AlaskaSat, Sep 9, 8:50 PM HADT · 1117 days ago · 25 km deep · 56 km away
31. 2.789 km SW of Adak, AlaskaSun, Sep 10, 2:15 AM HADT · 1117 days ago · 35 km deep · 52 km away
32. 1.9145 km WSW of Adak, AlaskaSun, Sep 10, 5:44 AM HADT · 1116 days ago · 25 km deep · 19 km away
33. 2.0195 km W of Adak, AlaskaSun, Sep 10, 2:24 PM HADT · 1116 days ago · 83 km deep · 97 km away
34. 1.7145 km WSW of Adak, AlaskaSun, Sep 10, 4:51 PM HADT · 1116 days ago · 23 km deep · 17 km away
35. 2.0155 km WSW of Adak, AlaskaSun, Sep 10, 5:39 PM HADT · 1116 days ago · 25 km deep · 29 km away
36. 2.8185 km WSW of Adak, AlaskaSun, Sep 10, 7:37 PM HADT · 1116 days ago · 35 km deep · 48 km away
37. 2.6112 km SW of Adak, AlaskaSun, Sep 10, 8:43 PM HADT · 1116 days ago · 35 km deep · 37 km away
38. 1.8200 km WSW of Adak, AlaskaMon, Sep 11, 5:24 AM HADT · 1115 days ago · 26 km deep · 77 km away
39. 1.672 km SW of Adak, AlaskaMon, Sep 11, 10:48 AM HADT · 1115 days ago · 39 km deep · 76 km away
40. 1.6136 km WSW of Adak, AlaskaMon, Sep 11, 1:01 PM HADT · 1115 days ago · 26 km deep · 24 km away
41. 2.996 km SW of Adak, AlaskaMon, Sep 11, 7:03 PM HADT · 1115 days ago · 35 km deep · 46 km away
42. 2.9144 km SW of Adak, AlaskaTue, Sep 12, 1:09 PM HADT · 1114 days ago · 35 km deep · 15 km away
43. 1.968 km SSW of Adak, AlaskaTue, Sep 12, 9:02 PM HADT · 1114 days ago · 26 km deep · 92 km away
44. 1.7120 km SW of Adak, AlaskaWed, Sep 13, 1:22 AM HADT · 1114 days ago · 23 km deep · 21 km away
45. 2.0235 km WSW of Adak, AlaskaWed, Sep 13, 4:08 AM HADT · 1114 days ago · 13 km deep · 99 km away
46. 2.0Andreanof Islands, Aleutian Islands, AlaskaWed, Sep 13, 4:18 AM HADT · 1114 days ago · 13 km deep · 100 km away
47. 1.768 km SSW of Adak, AlaskaWed, Sep 13, 11:43 AM HADT · 1113 days ago · 25 km deep · 94 km away
48. 2.650 km WSW of Adak, AlaskaWed, Sep 13, 10:21 PM HADT · 1113 days ago · 78 km deep · 95 km away
49. 1.8129 km WSW of Adak, AlaskaWed, Sep 13, 11:05 PM HADT · 1113 days ago · 25 km deep · 54 km away
50. 3.3125 km WSW of Adak, AlaskaThu, Sep 14, 12:34 AM HADT · 1113 days ago · 87 km deep · 54 km away
51. 3.8209 km WSW of Adak, AlaskaThu, Sep 14, 1:55 PM HADT · 1112 days ago · 51 km deep · 81 km away
52. 2.3236 km WSW of Adak, AlaskaThu, Sep 14, 5:12 PM HADT · 1112 days ago · 13 km deep · 100 km away
53. 2.064 km SSW of Adak, AlaskaThu, Sep 14, 6:27 PM HADT · 1112 days ago · 46 km deep · 89 km away
54. 2.5157 km WSW of Adak, AlaskaThu, Sep 14, 6:48 PM HADT · 1112 days ago · 10 km deep · 25 km away
55. 2.072 km SSW of Adak, AlaskaFri, Sep 15, 7:19 AM HADT · 1111 days ago · 32 km deep · 86 km away
56. 2.1194 km W of Adak, AlaskaFri, Sep 15, 11:34 AM HADT · 1111 days ago · 75 km deep · 91 km away
57. 2.2190 km WSW of Adak, AlaskaSat, Sep 16, 5:48 AM HADT · 1110 days ago · 13 km deep · 58 km away
58. 1.753 km SW of Adak, AlaskaSat, Sep 16, 4:59 PM HADT · 1110 days ago · 55 km deep · 90 km away
59. 2.0237 km WSW of Adak, AlaskaSat, Sep 16, 8:36 PM HADT · 1110 days ago · 14 km deep · 100 km away
60. 2.5Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 16, 8:46 PM HADT · 1110 days ago · 14 km deep · 97 km away

The first 60 of at least 199.

Before

1. 2.677 km SW of Adak, AlaskaFri, Sep 1, 4:50 PM HADT · 1125 days ago · 35 km deep · 66 km away
2. 1.9171 km WSW of Adak, AlaskaFri, Sep 1, 4:38 PM HADT · 1125 days ago · 13 km deep · 34 km away
3. 2.7148 km WSW of Adak, AlaskaFri, Sep 1, 4:00 PM HADT · 1125 days ago · 32 km deep · 9 km away
4. 1.975 km SW of Adak, AlaskaThu, Aug 31, 11:23 PM HADT · 1126 days ago · 59 km deep · 66 km away
5. 2.0141 km WSW of Adak, AlaskaThu, Aug 31, 10:02 PM HADT · 1126 days ago · 25 km deep · 14 km away
6. 2.054 km WSW of Adak, AlaskaThu, Aug 31, 9:01 PM HADT · 1126 days ago · 76 km deep · 91 km away
7. 2.3157 km WSW of Adak, AlaskaThu, Aug 31, 2:21 PM HADT · 1126 days ago · 35 km deep · 17 km away
8. 1.9187 km W of Adak, AlaskaThu, Aug 31, 11:56 AM HADT · 1126 days ago · 80 km deep · 91 km away
9. 2.2110 km SW of Adak, AlaskaThu, Aug 31, 7:13 AM HADT · 1126 days ago · 32 km deep · 36 km away
10. 2.2147 km WSW of Adak, AlaskaThu, Aug 31, 4:48 AM HADT · 1127 days ago · 32 km deep · 14 km away
11. 2.3175 km WSW of Adak, AlaskaThu, Aug 31, 3:20 AM HADT · 1127 days ago · 22 km deep · 39 km away
12. 2.566 km SSW of Adak, AlaskaThu, Aug 31, 2:19 AM HADT · 1127 days ago · 40 km deep · 97 km away
13. 3.0152 km WSW of Adak, AlaskaWed, Aug 30, 10:28 PM HADT · 1127 days ago · 35 km deep · 11 km away
14. 4.7Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 30, 10:13 PM HADT · 1127 days ago · 49 km deep · 18 km away
15. 2.5138 km WSW of Adak, AlaskaWed, Aug 30, 8:18 AM HADT · 1127 days ago · 35 km deep · 14 km away
16. 1.982 km WSW of Adak, AlaskaTue, Aug 29, 5:49 AM HADT · 1128 days ago · 36 km deep · 61 km away
17. 2.0149 km WSW of Adak, AlaskaMon, Aug 28, 9:20 PM HADT · 1129 days ago · 11 km deep · 39 km away
18. 2.4200 km WSW of Adak, AlaskaMon, Aug 28, 3:40 PM HADT · 1129 days ago · 53 km deep · 79 km away
19. 1.9113 km WSW of Adak, AlaskaMon, Aug 28, 3:35 PM HADT · 1129 days ago · 16 km deep · 41 km away
20. 2.0143 km WSW of Adak, AlaskaMon, Aug 28, 3:14 PM HADT · 1129 days ago · 5 km deep · 35 km away

From the USGS Earthquake Hazards Program and its partner networks, event us7000kvvn (also filed as ak023b9cbqbo). Read Thu, Oct 1, 2026, 1:35 AM UTC.