M2.5 earthquake 90 km S of False Pass, Alaska

Magnitude

2.5 (ml), micro

Local time

Mon, Oct 2, 2023, 1:57 AM AKDT

UTC

2023-10-02 09:57:59 UTC

Depth

35.0 km (21.7 mi), shallow

Epicenter

54.053° N, 163.675° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.8 km horizontally, 2.0 km in depth

Magnitude uncertainty

±0.13

Depth from

Operator assigned

Station coverage gap

199°, poorly surrounded by stations

Stations used

17

• Akutan, AlaskaPopulation 1,040. Forecast137 kmE

After

1. 2.397 km E of Akutan, AlaskaMon, Oct 2, 3:24 AM AKDT · 1092 days ago · 78 km deep · 40 km away
2. 3.0161 km S of False Pass, AlaskaMon, Oct 2, 5:45 PM AKDT · 1092 days ago · 27 km deep · 74 km away
3. 2.238 km WSW of False Pass, AlaskaTue, Oct 3, 2:07 AM AKDT · 1091 days ago · 96 km deep · 71 km away
4. 1.6Unimak Island region, AlaskaTue, Oct 3, 8:07 AM AKDT · 1091 days ago · 1 km deep · 82 km away
5. 2.1Unimak Island region, AlaskaTue, Oct 3, 9:34 AM AKDT · 1091 days ago · 4 km deep · 80 km away
6. 2.125 km SSE of False Pass, AlaskaTue, Oct 3, 11:48 AM AKDT · 1091 days ago · 9 km deep · 69 km away
7. 2.138 km WSW of False Pass, AlaskaTue, Oct 3, 4:22 PM AKDT · 1091 days ago · 5 km deep · 79 km away
8. 2.233 km SSE of False Pass, AlaskaTue, Oct 3, 6:03 PM AKDT · 1091 days ago · 73 km deep · 63 km away
9. 1.6Unimak Island region, AlaskaWed, Oct 4, 4:46 AM AKDT · 1090 days ago · 0 km deep · 82 km away
10. 1.938 km WSW of False Pass, AlaskaWed, Oct 4, 6:22 AM AKDT · 1090 days ago · -1 km deep · 81 km away
11. 2.038 km WSW of False Pass, AlaskaWed, Oct 4, 7:15 AM AKDT · 1090 days ago · 0 km deep · 80 km away
12. 2.138 km WSW of False Pass, AlaskaWed, Oct 4, 7:17 AM AKDT · 1090 days ago · -1 km deep · 81 km away
13. 2.2114 km ESE of Akutan, AlaskaWed, Oct 4, 5:33 PM AKDT · 1090 days ago · 41 km deep · 33 km away
14. 2.8103 km ESE of Akutan, AlaskaFri, Oct 6, 7:34 PM AKDT · 1088 days ago · 35 km deep · 46 km away
15. 2.982 km SE of Akutan, AlaskaSun, Oct 8, 7:36 PM AKDT · 1086 days ago · 35 km deep · 86 km away
16. 1.550 km WSW of False Pass, AlaskaTue, Oct 10, 2:15 AM AKDT · 1084 days ago · 2 km deep · 82 km away
17. 3.452 km ESE of False Pass, AlaskaTue, Oct 10, 6:14 AM AKDT · 1084 days ago · 12 km deep · 90 km away
18. 2.068 km SE of False Pass, AlaskaTue, Oct 10, 9:40 PM AKDT · 1083 days ago · 15 km deep · 73 km away
19. 2.654 km ESE of False Pass, AlaskaTue, Oct 10, 9:56 PM AKDT · 1083 days ago · 9 km deep · 87 km away
20. 1.744 km ESE of False Pass, AlaskaWed, Oct 11, 1:04 AM AKDT · 1083 days ago · 13 km deep · 94 km away
21. 1.892 km SSW of False Pass, AlaskaWed, Oct 11, 11:59 AM AKDT · 1083 days ago · 26 km deep · 35 km away
22. 1.9115 km S of False Pass, AlaskaWed, Oct 11, 6:11 PM AKDT · 1083 days ago · 26 km deep · 28 km away
23. 2.9134 km SE of Akutan, AlaskaFri, Oct 13, 12:21 AM AKDT · 1081 days ago · 19 km deep · 95 km away
24. 2.289 km SE of False Pass, AlaskaSat, Oct 14, 2:23 PM AKDT · 1080 days ago · 8 km deep · 79 km away
25. 1.984 km S of King Cove, AlaskaSat, Oct 14, 2:34 PM AKDT · 1080 days ago · 5 km deep · 83 km away
26. 2.8159 km S of False Pass, AlaskaSat, Oct 14, 3:04 PM AKDT · 1080 days ago · 10 km deep · 74 km away
27. 3.067 km SE of False Pass, AlaskaSun, Oct 15, 6:35 PM AKDT · 1079 days ago · 48 km deep · 81 km away
28. 2.689 km SE of Akutan, AlaskaSun, Oct 15, 8:24 PM AKDT · 1078 days ago · 35 km deep · 93 km away
29. 3.7103 km ESE of Akutan, AlaskaTue, Oct 17, 9:05 AM AKDT · 1077 days ago · 35 km deep · 62 km away
30. 2.2Unimak Island region, AlaskaWed, Oct 18, 4:54 AM AKDT · 1076 days ago · 26 km deep · 57 km away
31. 2.2102 km SE of Akutan, AlaskaWed, Oct 18, 9:55 AM AKDT · 1076 days ago · 25 km deep · 78 km away
32. 2.9139 km SE of Akutan, AlaskaWed, Oct 18, 3:16 PM AKDT · 1076 days ago · 10 km deep · 93 km away
33. 2.748 km ESE of Akutan, AlaskaWed, Oct 18, 6:35 PM AKDT · 1076 days ago · 68 km deep · 96 km away
34. 1.812 km SW of False Pass, AlaskaWed, Oct 18, 7:27 PM AKDT · 1076 days ago · 6 km deep · 80 km away
35. 3.130 km S of False Pass, AlaskaWed, Oct 18, 7:31 PM AKDT · 1076 days ago · 79 km deep · 61 km away
36. 2.413 km SSW of False Pass, AlaskaWed, Oct 18, 8:20 PM AKDT · 1075 days ago · 5 km deep · 78 km away
37. 2.8122 km SSE of False Pass, AlaskaThu, Oct 19, 6:31 AM AKDT · 1075 days ago · 35 km deep · 64 km away
38. 3.695 km S of False Pass, AlaskaThu, Oct 19, 9:53 AM AKDT · 1075 days ago · 35 km deep · 13 km away
39. 2.290 km E of Akutan, AlaskaFri, Oct 20, 4:33 AM AKDT · 1074 days ago · 79 km deep · 49 km away
40. 1.837 km SSW of False Pass, AlaskaSat, Oct 21, 6:21 AM AKDT · 1073 days ago · 9 km deep · 56 km away
41. 2.3110 km ESE of Akutan, AlaskaSat, Oct 21, 10:14 AM AKDT · 1073 days ago · 26 km deep · 49 km away
42. 2.5135 km SE of Akutan, AlaskaSun, Oct 22, 10:37 PM AKDT · 1071 days ago · 35 km deep · 73 km away
43. 1.860 km ESE of Akutan, AlaskaMon, Oct 23, 7:13 AM AKDT · 1071 days ago · 41 km deep · 84 km away
44. 2.163 km S of King Cove, AlaskaWed, Oct 25, 1:32 AM AKDT · 1069 days ago · 55 km deep · 99 km away
45. 2.6111 km S of False Pass, AlaskaThu, Oct 26, 4:05 PM AKDT · 1068 days ago · 35 km deep · 41 km away
46. 2.886 km SE of False Pass, AlaskaFri, Oct 27, 11:43 PM AKDT · 1066 days ago · 26 km deep · 80 km away
47. 2.6140 km S of False Pass, AlaskaSat, Oct 28, 10:50 AM AKDT · 1066 days ago · 35 km deep · 55 km away
48. 2.196 km S of False Pass, AlaskaSun, Oct 29, 2:17 PM AKDT · 1065 days ago · 26 km deep · 7 km away
49. 2.127 km SSE of False Pass, AlaskaSun, Oct 29, 9:38 PM AKDT · 1064 days ago · 80 km deep · 66 km away
50. 1.949 km SSW of King Cove, AlaskaTue, Oct 31, 6:43 PM AKDT · 1063 days ago · 13 km deep · 97 km away
51. 2.5153 km S of False Pass, AlaskaThu, Nov 2, 5:03 AM AKDT · 1061 days ago · 35 km deep · 67 km away
52. 2.1109 km SSW of False Pass, AlaskaThu, Nov 2, 3:23 PM AKDT · 1061 days ago · 35 km deep · 23 km away
53. 2.6157 km S of False Pass, AlaskaThu, Nov 2, 3:31 PM AKDT · 1061 days ago · 10 km deep · 80 km away
54. 2.9109 km SSW of False Pass, AlaskaSat, Nov 4, 3:57 AM AKDT · 1059 days ago · 35 km deep · 25 km away
55. 1.546 km WSW of False Pass, AlaskaSat, Nov 4, 5:59 AM AKDT · 1059 days ago · 7 km deep · 81 km away
56. 1.9Unimak Island region, AlaskaSat, Nov 4, 12:01 PM AKDT · 1059 days ago · 9 km deep · 90 km away
57. 3.786 km SE of Akutan, AlaskaSat, Nov 4, 4:15 PM AKDT · 1059 days ago · 35 km deep · 86 km away
58. 2.693 km SSE of False Pass, AlaskaSat, Nov 4, 7:55 PM AKDT · 1059 days ago · 35 km deep · 43 km away
59. 2.593 km SSE of False Pass, AlaskaSun, Nov 5, 12:46 AM AKDT · 1058 days ago · 35 km deep · 42 km away
60. 3.1166 km S of False Pass, AlaskaSun, Nov 5, 6:32 PM AKST · 1058 days ago · 35 km deep · 77 km away

The first 60 of 112.

Before

1. 2.275 km SSE of False Pass, AlaskaSun, Oct 1, 10:49 PM AKDT · 1092 days ago · 19 km deep · 65 km away
2. 2.999 km SE of Akutan, AlaskaSun, Oct 1, 2:43 PM AKDT · 1093 days ago · 31 km deep · 88 km away
3. 2.790 km S of King Cove, AlaskaSun, Oct 1, 6:32 AM AKDT · 1093 days ago · 35 km deep · 93 km away
4. 2.290 km SSW of False Pass, AlaskaSat, Sep 30, 6:52 PM AKDT · 1094 days ago · 20 km deep · 3 km away
5. 2.185 km SE of False Pass, AlaskaSat, Sep 30, 10:20 AM AKDT · 1094 days ago · 7 km deep · 79 km away
6. 1.513 km SW of False Pass, AlaskaSat, Sep 30, 4:39 AM AKDT · 1094 days ago · 6 km deep · 80 km away
7. 2.644 km SSE of False Pass, AlaskaSat, Sep 30, 3:36 AM AKDT · 1094 days ago · 68 km deep · 61 km away
8. 2.092 km S of False Pass, AlaskaThu, Sep 28, 11:28 PM AKDT · 1095 days ago · 26 km deep · 5 km away
9. 2.0100 km E of Akutan, AlaskaThu, Sep 28, 2:34 AM AKDT · 1096 days ago · 54 km deep · 37 km away
10. 2.385 km SE of Akutan, AlaskaWed, Sep 27, 8:25 PM AKDT · 1096 days ago · 25 km deep · 80 km away
11. 1.842 km E of Akutan, AlaskaWed, Sep 27, 7:29 PM AKDT · 1097 days ago · 74 km deep · 97 km away
12. 1.7103 km S of False Pass, AlaskaTue, Sep 26, 11:38 PM AKDT · 1097 days ago · 23 km deep · 22 km away
13. 1.6104 km ESE of Akutan, AlaskaTue, Sep 26, 10:11 PM AKDT · 1097 days ago · 25 km deep · 50 km away
14. 2.072 km ESE of Akutan, AlaskaTue, Sep 26, 12:23 AM AKDT · 1098 days ago · 58 km deep · 70 km away
15. 2.0103 km S of False Pass, AlaskaMon, Sep 25, 8:59 PM AKDT · 1098 days ago · 28 km deep · 12 km away
16. 2.671 km ESE of Akutan, AlaskaMon, Sep 25, 7:26 PM AKDT · 1099 days ago · 35 km deep · 76 km away
17. 2.839 km S of False Pass, AlaskaMon, Sep 25, 5:52 PM AKDT · 1099 days ago · 64 km deep · 54 km away
18. 1.889 km SSE of False Pass, AlaskaMon, Sep 25, 10:04 AM AKDT · 1099 days ago · 7 km deep · 37 km away
19. 2.081 km SE of Akutan, AlaskaSun, Sep 24, 3:44 PM AKDT · 1100 days ago · 48 km deep · 98 km away
20. 2.889 km SE of Akutan, AlaskaSun, Sep 24, 12:50 PM AKDT · 1100 days ago · 24 km deep · 88 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000lfyw (also filed as ak023cmyhomk). Read Mon, Sep 28, 2026, 3:37 PM UTC.