M1.8 earthquake 95 km SW of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Sep 3, 2025, 3:45 AM HADT

UTC

2025-09-03 12:45:05 UTC

Depth

27.4 km (17.0 mi), shallow

Epicenter

51.256° N, 177.597° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 12.1 km horizontally, 7.3 km in depth

Magnitude uncertainty

±0.10

Station coverage gap

237°, poorly surrounded by stations

Stations used

10

After

1. 1.883 km SW of Adak, AlaskaWed, Sep 3, 6:13 AM HADT · 394 days ago · 22 km deep · 14 km away
2. 3.8110 km SSW of Adak, AlaskaFri, Sep 5, 5:56 AM HADT · 392 days ago · 8 km deep · 46 km away
3. 3.6129 km W of Adak, AlaskaThu, Sep 11, 6:45 PM HADT · 385 days ago · 10 km deep · 89 km away
4. 1.9159 km WSW of Adak, AlaskaFri, Sep 19, 4:52 PM HADT · 377 days ago · 30 km deep · 86 km away
5. 2.0131 km WSW of Adak, AlaskaSat, Sep 20, 5:52 PM HADT · 376 days ago · 14 km deep · 76 km away
6. 5.5122 km SW of Adak, AlaskaSun, Sep 21, 12:30 AM HADT · 376 days ago · 30 km deep · 30 km away · felt by 4 · tsunami flag
7. 3.898 km SW of Adak, AlaskaTue, Sep 23, 8:24 AM HADT · 374 days ago · 43 km deep · 3 km away
8. 1.5151 km W of Adak, AlaskaThu, Sep 25, 1:13 AM HADT · 372 days ago · 14 km deep · 94 km away
9. 1.788 km W of Adak, AlaskaFri, Sep 26, 1:42 AM HADT · 371 days ago · 4 km deep · 71 km away
10. 1.850 km SW of Adak, AlaskaFri, Sep 26, 10:51 PM HADT · 370 days ago · 15 km deep · 46 km away
11. 1.866 km SSE of Adak, AlaskaSat, Sep 27, 12:34 AM HADT · 370 days ago · 21 km deep · 92 km away
12. 1.8129 km WSW of Adak, AlaskaSat, Sep 27, 2:18 AM HADT · 370 days ago · 26 km deep · 45 km away
13. 2.1117 km SW of Adak, AlaskaSat, Sep 27, 4:20 AM HADT · 370 days ago · 26 km deep · 26 km away
14. 2.695 km WSW of Adak, AlaskaSat, Sep 27, 10:28 PM HADT · 369 days ago · 34 km deep · 31 km away
15. 3.8103 km S of Adak, AlaskaSun, Sep 28, 11:31 AM HADT · 369 days ago · 10 km deep · 59 km away
16. 1.651 km SW of Adak, AlaskaSun, Sep 28, 5:48 PM HADT · 368 days ago · 14 km deep · 46 km away
17. 1.681 km W of Adak, AlaskaFri, Oct 3, 4:16 PM HADT · 363 days ago · 8 km deep · 68 km away
18. 2.757 km SSW of Adak, AlaskaSun, Oct 5, 8:35 AM HADT · 362 days ago · 34 km deep · 52 km away
19. 1.7103 km WSW of Adak, AlaskaSun, Oct 5, 9:19 PM HADT · 361 days ago · 16 km deep · 52 km away
20. 1.655 km W of Adak, AlaskaFri, Oct 10, 4:44 PM HADT · 356 days ago · -2 km deep · 70 km away
21. 1.975 km W of Adak, AlaskaFri, Oct 10, 11:32 PM HADT · 356 days ago · 8 km deep · 70 km away
22. 2.6144 km WSW of Adak, AlaskaWed, Oct 15, 12:08 AM HADT · 352 days ago · 80 km deep · 86 km away
23. 2.6122 km SW of Adak, AlaskaFri, Oct 17, 4:05 PM HADT · 349 days ago · 35 km deep · 31 km away
24. 2.454 km SW of Adak, AlaskaFri, Oct 17, 9:59 PM HADT · 349 days ago · 36 km deep · 42 km away
25. 1.8121 km WSW of Adak, AlaskaSat, Oct 18, 4:33 AM HADT · 349 days ago · 35 km deep · 42 km away
26. 1.618 km W of Adak, AlaskaSun, Oct 19, 1:36 PM HADT · 347 days ago · 3 km deep · 82 km away
27. 4.971 km SSW of Adak, AlaskaMon, Oct 20, 9:45 AM HADT · 347 days ago · 37 km deep · 37 km away · felt by 2
28. 2.184 km W of Adak, AlaskaMon, Oct 20, 5:10 PM HADT · 346 days ago · 1 km deep · 76 km away
29. 1.885 km W of Adak, AlaskaMon, Oct 20, 5:28 PM HADT · 346 days ago · -2 km deep · 73 km away
30. 1.785 km W of Adak, AlaskaMon, Oct 20, 5:55 PM HADT · 346 days ago · 4 km deep · 72 km away
31. 1.984 km W of Adak, AlaskaMon, Oct 20, 6:34 PM HADT · 346 days ago · 3 km deep · 73 km away
32. 1.584 km W of Adak, AlaskaMon, Oct 20, 6:34 PM HADT · 346 days ago · 5 km deep · 73 km away
33. 2.4126 km WSW of Adak, AlaskaSat, Oct 25, 7:46 PM HADT · 341 days ago · 9 km deep · 68 km away
34. 3.8120 km SW of Adak, AlaskaSat, Oct 25, 9:36 PM HADT · 341 days ago · 31 km deep · 31 km away
35. 1.9118 km WSW of Adak, AlaskaSun, Oct 26, 1:46 AM HADT · 341 days ago · 16 km deep · 53 km away
36. 2.7149 km WSW of Adak, AlaskaSun, Oct 26, 7:55 AM HADT · 341 days ago · 10 km deep · 73 km away
37. 1.576 km WSW of Adak, AlaskaMon, Oct 27, 10:54 PM HADT · 339 days ago · 18 km deep · 40 km away
38. 1.9143 km W of Adak, AlaskaTue, Oct 28, 2:56 AM HADT · 339 days ago · 18 km deep · 96 km away

Before

1. 2.740 km SW of Adak, AlaskaTue, Sep 2, 12:30 PM HADT · 394 days ago · 77 km deep · 57 km away
2. 1.953 km SSE of Adak, AlaskaTue, Sep 2, 4:11 AM HADT · 395 days ago · 56 km deep · 98 km away
3. 1.9128 km WSW of Adak, AlaskaMon, Sep 1, 10:41 PM HADT · 395 days ago · 25 km deep · 55 km away
4. 1.7143 km W of Adak, AlaskaMon, Sep 1, 4:42 PM HADT · 395 days ago · 11 km deep · 88 km away
5. 1.895 km SW of Adak, AlaskaMon, Sep 1, 7:53 AM HADT · 396 days ago · 23 km deep · 20 km away
6. 2.031 km SSW of Adak, AlaskaMon, Sep 1, 1:01 AM HADT · 396 days ago · 63 km deep · 69 km away
7. 3.3109 km WSW of Adak, AlaskaFri, Aug 29, 10:12 PM HADT · 398 days ago · 13 km deep · 40 km away
8. 2.9101 km SW of Adak, AlaskaFri, Aug 29, 6:12 PM HADT · 398 days ago · 35 km deep · 8 km away
9. 1.688 km SW of Adak, AlaskaThu, Aug 28, 2:28 PM HADT · 399 days ago · 23 km deep · 15 km away
10. 1.642 km SSE of Adak, AlaskaThu, Aug 28, 2:04 AM HADT · 400 days ago · 36 km deep · 92 km away
11. 1.7157 km WSW of Adak, AlaskaThu, Aug 28, 12:06 AM HADT · 400 days ago · 18 km deep · 80 km away
12. 2.290 km SSE of Adak, AlaskaWed, Aug 27, 9:56 PM HADT · 400 days ago · 13 km deep · 99 km away
13. 1.9131 km WSW of Adak, AlaskaWed, Aug 27, 6:05 PM HADT · 400 days ago · 29 km deep · 46 km away
14. 2.5143 km W of Adak, AlaskaWed, Aug 27, 2:21 PM HADT · 400 days ago · 102 km deep · 95 km away
15. 2.96 km SSE of Adak, AlaskaWed, Aug 27, 3:46 AM HADT · 401 days ago · 75 km deep · 92 km away
16. 1.8121 km WSW of Adak, AlaskaWed, Aug 27, 3:09 AM HADT · 401 days ago · 34 km deep · 46 km away
17. 1.656 km WSW of Adak, AlaskaWed, Aug 27, 12:04 AM HADT · 401 days ago · 7 km deep · 57 km away
18. 1.897 km WSW of Adak, AlaskaTue, Aug 26, 6:07 PM HADT · 401 days ago · 54 km deep · 24 km away
19. 1.7140 km WSW of Adak, AlaskaTue, Aug 26, 5:22 PM HADT · 401 days ago · 23 km deep · 56 km away
20. 2.5135 km W of Adak, AlaskaTue, Aug 26, 1:49 PM HADT · 401 days ago · 97 km deep · 89 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak2025rishay. Read Fri, Oct 2, 2026, 8:55 AM UTC.