M1.6 earthquake 51 km SW of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Sun, Sep 28, 2025, 5:48 PM HADT

UTC

2025-09-29 02:48:55 UTC

Depth

14.2 km (8.8 mi), shallow

Epicenter

51.601° N, 177.242° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.3 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.23

Depth from

From location

Station coverage gap

298°, poorly surrounded by stations

Stations used

6

After

1. 1.681 km W of Adak, AlaskaFri, Oct 3, 4:16 PM HADT · 364 days ago · 8 km deep · 49 km away
2. 2.757 km SSW of Adak, AlaskaSun, Oct 5, 8:35 AM HADT · 362 days ago · 34 km deep · 36 km away
3. 1.7103 km WSW of Adak, AlaskaSun, Oct 5, 9:19 PM HADT · 362 days ago · 16 km deep · 57 km away
4. 1.655 km W of Adak, AlaskaFri, Oct 10, 4:44 PM HADT · 357 days ago · -2 km deep · 34 km away
5. 1.975 km W of Adak, AlaskaFri, Oct 10, 11:32 PM HADT · 357 days ago · 8 km deep · 45 km away
6. 2.6144 km WSW of Adak, AlaskaWed, Oct 15, 12:08 AM HADT · 353 days ago · 80 km deep · 100 km away
7. 2.6122 km SW of Adak, AlaskaFri, Oct 17, 4:05 PM HADT · 350 days ago · 35 km deep · 70 km away
8. 2.672 km SE of Adak, AlaskaFri, Oct 17, 8:26 PM HADT · 350 days ago · 35 km deep · 90 km away
9. 2.454 km SW of Adak, AlaskaFri, Oct 17, 9:59 PM HADT · 350 days ago · 36 km deep · 17 km away
10. 1.8121 km WSW of Adak, AlaskaSat, Oct 18, 4:33 AM HADT · 349 days ago · 35 km deep · 70 km away
11. 1.618 km W of Adak, AlaskaSun, Oct 19, 1:36 PM HADT · 348 days ago · 3 km deep · 37 km away
12. 4.971 km SSW of Adak, AlaskaMon, Oct 20, 9:45 AM HADT · 347 days ago · 37 km deep · 36 km away · felt by 2
13. 2.184 km W of Adak, AlaskaMon, Oct 20, 5:10 PM HADT · 347 days ago · 1 km deep · 55 km away
14. 1.885 km W of Adak, AlaskaMon, Oct 20, 5:28 PM HADT · 347 days ago · -2 km deep · 54 km away
15. 1.785 km W of Adak, AlaskaMon, Oct 20, 5:55 PM HADT · 347 days ago · 4 km deep · 53 km away
16. 1.984 km W of Adak, AlaskaMon, Oct 20, 6:34 PM HADT · 347 days ago · 3 km deep · 54 km away
17. 1.584 km W of Adak, AlaskaMon, Oct 20, 6:34 PM HADT · 347 days ago · 5 km deep · 53 km away
18. 1.810 km NE of Adak, AlaskaThu, Oct 23, 10:00 PM HADT · 344 days ago · 28 km deep · 62 km away
19. 4.947 km SE of Adak, AlaskaSat, Oct 25, 1:13 AM HADT · 342 days ago · 57 km deep · 77 km away · felt by 1
20. 2.4126 km WSW of Adak, AlaskaSat, Oct 25, 7:46 PM HADT · 342 days ago · 9 km deep · 81 km away
21. 3.8120 km SW of Adak, AlaskaSat, Oct 25, 9:36 PM HADT · 342 days ago · 31 km deep · 69 km away
22. 1.9118 km WSW of Adak, AlaskaSun, Oct 26, 1:46 AM HADT · 341 days ago · 16 km deep · 70 km away
23. 2.7149 km WSW of Adak, AlaskaSun, Oct 26, 7:55 AM HADT · 341 days ago · 10 km deep · 100 km away
24. 1.576 km WSW of Adak, AlaskaMon, Oct 27, 10:54 PM HADT · 340 days ago · 18 km deep · 29 km away
25. 2.383 km WSW of Adak, AlaskaSun, Nov 2, 6:45 AM HAST · 334 days ago · 14 km deep · 32 km away
26. 3.693 km WSW of Adak, AlaskaTue, Nov 11, 7:15 AM HAST · 325 days ago · 87 km deep · 45 km away
27. 3.010 km S of Adak, AlaskaWed, Nov 12, 4:55 PM HAST · 324 days ago · 67 km deep · 48 km away
28. 3.676 km SSW of Adak, AlaskaWed, Nov 12, 7:16 PM HAST · 324 days ago · 35 km deep · 42 km away
29. 3.7144 km WSW of Adak, AlaskaWed, Nov 12, 11:17 PM HAST · 324 days ago · 35 km deep · 93 km away
30. 2.1151 km SW of Adak, AlaskaThu, Nov 13, 3:51 AM HAST · 323 days ago · 10 km deep · 100 km away
31. 3.0120 km WSW of Adak, AlaskaSun, Nov 16, 8:05 AM HAST · 320 days ago · 37 km deep · 69 km away
32. 1.676 km W of Adak, AlaskaMon, Nov 17, 7:29 AM HAST · 319 days ago · 6 km deep · 45 km away
33. 3.194 km WSW of Adak, AlaskaMon, Nov 17, 7:08 PM HAST · 319 days ago · 61 km deep · 47 km away
34. 2.567 km SSE of Adak, AlaskaMon, Nov 17, 8:39 PM HAST · 319 days ago · 35 km deep · 81 km away
35. 2.015 km SSE of Adak, AlaskaTue, Nov 18, 11:38 AM HAST · 318 days ago · 59 km deep · 50 km away
36. 3.267 km SE of Adak, AlaskaTue, Nov 18, 5:07 PM HAST · 318 days ago · 35 km deep · 93 km away
37. 2.3106 km WSW of Adak, AlaskaWed, Nov 19, 2:50 AM HAST · 317 days ago · 35 km deep · 55 km away
38. 2.977 km SW of Adak, AlaskaWed, Nov 19, 6:27 AM HAST · 317 days ago · 35 km deep · 26 km away
39. 3.029 km SSW of Adak, AlaskaWed, Nov 19, 7:38 AM HAST · 317 days ago · 69 km deep · 30 km away
40. 3.1119 km SW of Adak, AlaskaWed, Nov 19, 10:57 AM HAST · 317 days ago · 35 km deep · 67 km away
41. 2.478 km WSW of Adak, AlaskaWed, Nov 19, 12:17 PM HAST · 317 days ago · 17 km deep · 27 km away
42. 1.639 km NE of Adak, AlaskaWed, Nov 19, 6:15 PM HAST · 317 days ago · 9 km deep · 91 km away
43. 2.4128 km WSW of Adak, AlaskaThu, Nov 20, 2:25 PM HAST · 316 days ago · 44 km deep · 78 km away
44. 4.3124 km SW of Adak, AlaskaFri, Nov 21, 8:49 AM HAST · 315 days ago · 46 km deep · 73 km away
45. 2.754 km S of Adak, AlaskaFri, Nov 21, 12:21 PM HAST · 315 days ago · 35 km deep · 57 km away
46. 1.8137 km WSW of Adak, AlaskaFri, Nov 21, 5:58 PM HAST · 315 days ago · 14 km deep · 93 km away
47. 2.695 km SSE of Adak, AlaskaSat, Nov 22, 4:32 AM HAST · 314 days ago · 14 km deep · 93 km away
48. 3.6127 km SW of Adak, AlaskaSat, Nov 22, 9:10 AM HAST · 314 days ago · 10 km deep · 76 km away
49. 5.567 km SSW of Adak, AlaskaSat, Nov 22, 10:21 PM HAST · 314 days ago · 33 km deep · 36 km away · felt by 3
50. 3.171 km SSW of Adak, AlaskaSat, Nov 22, 10:27 PM HAST · 314 days ago · 35 km deep · 42 km away
51. 2.775 km SSW of Adak, AlaskaSat, Nov 22, 10:55 PM HAST · 314 days ago · 35 km deep · 42 km away
52. 4.065 km SSW of Adak, AlaskaSun, Nov 23, 12:44 AM HAST · 313 days ago · 35 km deep · 33 km away
53. 2.367 km SSW of Adak, AlaskaSun, Nov 23, 10:43 PM HAST · 313 days ago · 35 km deep · 29 km away
54. 2.746 km ENE of Adak, AlaskaSun, Nov 23, 11:33 PM HAST · 313 days ago · 132 km deep · 97 km away
55. 3.743 km N of Adak, AlaskaMon, Nov 24, 3:17 PM HAST · 312 days ago · 223 km deep · 85 km away
56. 2.3105 km WSW of Adak, AlaskaMon, Nov 24, 8:01 PM HAST · 312 days ago · 20 km deep · 54 km away
57. 2.269 km SSW of Adak, AlaskaMon, Nov 24, 11:59 PM HAST · 312 days ago · 35 km deep · 41 km away
58. 2.353 km SE of Adak, AlaskaTue, Nov 25, 2:46 AM HAST · 311 days ago · 38 km deep · 84 km away
59. 2.1109 km WSW of Adak, AlaskaTue, Nov 25, 3:20 AM HAST · 311 days ago · 13 km deep · 59 km away
60. 2.462 km SSW of Adak, AlaskaTue, Nov 25, 8:55 AM HAST · 311 days ago · 42 km deep · 31 km away

The first 60 of 69.

Before

1. 3.8103 km S of Adak, AlaskaSun, Sep 28, 11:31 AM HADT · 369 days ago · 10 km deep · 75 km away
2. 2.695 km WSW of Adak, AlaskaSat, Sep 27, 10:28 PM HADT · 370 days ago · 34 km deep · 45 km away
3. 2.066 km SE of Adak, AlaskaSat, Sep 27, 4:32 AM HADT · 370 days ago · 26 km deep · 86 km away
4. 2.1117 km SW of Adak, AlaskaSat, Sep 27, 4:20 AM HADT · 370 days ago · 26 km deep · 66 km away
5. 1.8129 km WSW of Adak, AlaskaSat, Sep 27, 2:18 AM HADT · 370 days ago · 26 km deep · 78 km away
6. 1.866 km SSE of Adak, AlaskaSat, Sep 27, 12:34 AM HADT · 371 days ago · 21 km deep · 74 km away
7. 1.850 km SW of Adak, AlaskaFri, Sep 26, 10:51 PM HADT · 371 days ago · 15 km deep · 7 km away
8. 1.788 km W of Adak, AlaskaFri, Sep 26, 1:42 AM HADT · 371 days ago · 4 km deep · 55 km away
9. 3.898 km SW of Adak, AlaskaTue, Sep 23, 8:24 AM HADT · 374 days ago · 43 km deep · 48 km away
10. 5.5122 km SW of Adak, AlaskaSun, Sep 21, 12:30 AM HADT · 377 days ago · 30 km deep · 70 km away · felt by 4 · tsunami flag
11. 2.0131 km WSW of Adak, AlaskaSat, Sep 20, 5:52 PM HADT · 377 days ago · 14 km deep · 87 km away
12. 1.622 km E of Adak, AlaskaWed, Sep 17, 5:39 PM HADT · 380 days ago · 6 km deep · 72 km away
13. 4.032 km NNE of Adak, AlaskaSun, Sep 14, 12:00 AM HADT · 384 days ago · 126 km deep · 82 km away · felt by 2
14. 3.6129 km W of Adak, AlaskaThu, Sep 11, 6:45 PM HADT · 386 days ago · 10 km deep · 91 km away
15. 1.635 km NE of Adak, AlaskaTue, Sep 9, 5:54 AM HADT · 388 days ago · 19 km deep · 87 km away
16. 3.8110 km SSW of Adak, AlaskaFri, Sep 5, 5:56 AM HADT · 392 days ago · 8 km deep · 74 km away
17. 1.883 km SW of Adak, AlaskaWed, Sep 3, 6:13 AM HADT · 394 days ago · 22 km deep · 32 km away
18. 2.773 km SSE of Adak, AlaskaWed, Sep 3, 5:07 AM HADT · 394 days ago · 25 km deep · 86 km away
19. 1.895 km SW of Adak, AlaskaWed, Sep 3, 3:45 AM HADT · 394 days ago · 27 km deep · 46 km away
20. 2.740 km SW of Adak, AlaskaTue, Sep 2, 12:30 PM HADT · 395 days ago · 77 km deep · 11 km away

From the USGS Earthquake Hazards Program and its partner networks, event av93050294. Read Fri, Oct 2, 2026, 9:40 PM UTC.