M1.9 earthquake 159 km WSW of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Fri, Sep 19, 2025, 4:52 PM HADT

UTC

2025-09-20 01:52:56 UTC

Depth

30.2 km (18.8 mi), shallow

Epicenter

51.391° N, 178.810° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 1.0 km in depth

Magnitude uncertainty

±0.30

Depth from

From location

Station coverage gap

310°, poorly surrounded by stations

Stations used

7

After

1. 2.0131 km WSW of Adak, AlaskaSat, Sep 20, 5:52 PM HADT · 377 days ago · 14 km deep · 35 km away
2. 5.5122 km SW of Adak, AlaskaSun, Sep 21, 12:30 AM HADT · 377 days ago · 30 km deep · 59 km away · felt by 4 · tsunami flag
3. 3.898 km SW of Adak, AlaskaTue, Sep 23, 8:24 AM HADT · 374 days ago · 43 km deep · 86 km away
4. 1.5151 km W of Adak, AlaskaThu, Sep 25, 1:13 AM HADT · 373 days ago · 14 km deep · 28 km away
5. 2.1164 km WSW of Adak, AlaskaThu, Sep 25, 1:31 PM HADT · 372 days ago · 16 km deep · 23 km away
6. 1.788 km W of Adak, AlaskaFri, Sep 26, 1:42 AM HADT · 372 days ago · 4 km deep · 81 km away
7. 2.6171 km W of Adak, AlaskaFri, Sep 26, 3:08 PM HADT · 371 days ago · 88 km deep · 37 km away
8. 2.6225 km W of Adak, AlaskaFri, Sep 26, 3:49 PM HADT · 371 days ago · 84 km deep · 82 km away
9. 1.8129 km WSW of Adak, AlaskaSat, Sep 27, 2:18 AM HADT · 370 days ago · 26 km deep · 41 km away
10. 2.1117 km SW of Adak, AlaskaSat, Sep 27, 4:20 AM HADT · 370 days ago · 26 km deep · 62 km away
11. 2.695 km WSW of Adak, AlaskaSat, Sep 27, 10:28 PM HADT · 370 days ago · 34 km deep · 67 km away
12. 1.681 km W of Adak, AlaskaFri, Oct 3, 4:16 PM HADT · 364 days ago · 8 km deep · 86 km away
13. 3.2236 km WSW of Adak, AlaskaSat, Oct 4, 9:45 AM HADT · 363 days ago · 11 km deep · 77 km away
14. 4.2200 km W of Adak, AlaskaSat, Oct 4, 4:51 PM HADT · 363 days ago · 79 km deep · 52 km away
15. 1.7103 km WSW of Adak, AlaskaSun, Oct 5, 9:19 PM HADT · 362 days ago · 16 km deep · 57 km away
16. 1.975 km W of Adak, AlaskaFri, Oct 10, 11:32 PM HADT · 357 days ago · 8 km deep · 92 km away
17. 4.5240 km WSW of Adak, AlaskaSat, Oct 11, 1:51 AM GMT-12 · 356 days ago · 35 km deep · 81 km away
18. 3.4246 km WSW of Adak, AlaskaSat, Oct 11, 5:22 AM GMT-12 · 356 days ago · 35 km deep · 89 km away
19. 2.6144 km WSW of Adak, AlaskaWed, Oct 15, 12:08 AM HADT · 353 days ago · 80 km deep · 27 km away
20. 2.8221 km W of Adak, AlaskaThu, Oct 16, 10:09 PM HADT · 351 days ago · 10 km deep · 74 km away
21. 2.6122 km SW of Adak, AlaskaFri, Oct 17, 4:05 PM HADT · 350 days ago · 35 km deep · 59 km away
22. 2.8206 km W of Adak, AlaskaFri, Oct 17, 7:08 PM HADT · 350 days ago · 96 km deep · 65 km away
23. 1.8121 km WSW of Adak, AlaskaSat, Oct 18, 4:33 AM HADT · 349 days ago · 35 km deep · 44 km away
24. 2.184 km W of Adak, AlaskaMon, Oct 20, 5:10 PM HADT · 347 days ago · 1 km deep · 88 km away
25. 1.885 km W of Adak, AlaskaMon, Oct 20, 5:28 PM HADT · 347 days ago · -2 km deep · 85 km away
26. 1.785 km W of Adak, AlaskaMon, Oct 20, 5:55 PM HADT · 347 days ago · 4 km deep · 85 km away
27. 1.984 km W of Adak, AlaskaMon, Oct 20, 6:34 PM HADT · 347 days ago · 3 km deep · 85 km away
28. 1.584 km W of Adak, AlaskaMon, Oct 20, 6:34 PM HADT · 347 days ago · 5 km deep · 86 km away
29. 2.4126 km WSW of Adak, AlaskaSat, Oct 25, 7:46 PM HADT · 342 days ago · 9 km deep · 36 km away
30. 3.8120 km SW of Adak, AlaskaSat, Oct 25, 9:36 PM HADT · 342 days ago · 31 km deep · 56 km away
31. 1.9118 km WSW of Adak, AlaskaSun, Oct 26, 1:46 AM HADT · 342 days ago · 16 km deep · 42 km away
32. 2.7149 km WSW of Adak, AlaskaSun, Oct 26, 7:55 AM HADT · 341 days ago · 10 km deep · 13 km away
33. 1.576 km WSW of Adak, AlaskaMon, Oct 27, 10:54 PM HADT · 340 days ago · 18 km deep · 83 km away
34. 1.9143 km W of Adak, AlaskaTue, Oct 28, 2:56 AM HADT · 339 days ago · 18 km deep · 43 km away
35. 1.5163 km W of Adak, AlaskaSat, Nov 1, 2:27 PM HADT · 335 days ago · 6 km deep · 46 km away
36. 2.383 km WSW of Adak, AlaskaSun, Nov 2, 6:45 AM HAST · 334 days ago · 14 km deep · 81 km away
37. 3.693 km WSW of Adak, AlaskaTue, Nov 11, 7:15 AM HAST · 325 days ago · 87 km deep · 67 km away
38. 3.7144 km WSW of Adak, AlaskaWed, Nov 12, 11:17 PM HAST · 324 days ago · 35 km deep · 25 km away
39. 2.1151 km SW of Adak, AlaskaThu, Nov 13, 3:51 AM HAST · 323 days ago · 10 km deep · 52 km away
40. 2.8194 km WSW of Adak, AlaskaThu, Nov 13, 7:12 AM HAST · 323 days ago · 35 km deep · 36 km away
41. 3.0120 km WSW of Adak, AlaskaSun, Nov 16, 8:05 AM HAST · 320 days ago · 37 km deep · 44 km away
42. 1.676 km W of Adak, AlaskaMon, Nov 17, 7:29 AM HAST · 319 days ago · 6 km deep · 90 km away
43. 3.194 km WSW of Adak, AlaskaMon, Nov 17, 7:08 PM HAST · 319 days ago · 61 km deep · 66 km away
44. 2.9157 km WSW of Adak, AlaskaMon, Nov 17, 7:13 PM HAST · 319 days ago · 8 km deep · 19 km away

Before

1. 3.2231 km WSW of Adak, AlaskaTue, Sep 16, 4:13 PM HADT · 381 days ago · 15 km deep · 77 km away
2. 3.6129 km W of Adak, AlaskaThu, Sep 11, 6:45 PM HADT · 386 days ago · 10 km deep · 52 km away
3. 2.1187 km WSW of Adak, AlaskaWed, Sep 10, 5:17 PM HADT · 387 days ago · 18 km deep · 27 km away
4. 2.5240 km WSW of Adak, AlaskaWed, Sep 3, 4:10 AM GMT-12 · 394 days ago · 5 km deep · 82 km away
5. 1.883 km SW of Adak, AlaskaWed, Sep 3, 6:13 AM HADT · 394 days ago · 22 km deep · 88 km away
6. 1.895 km SW of Adak, AlaskaWed, Sep 3, 3:45 AM HADT · 394 days ago · 27 km deep · 86 km away
7. 1.6222 km W of Adak, AlaskaWed, Sep 3, 1:55 AM HADT · 395 days ago · 95 km deep · 85 km away
8. 1.6246 km WSW of Adak, AlaskaWed, Sep 3, 11:00 AM GMT+12 · 395 days ago · 45 km deep · 92 km away
9. 1.9128 km WSW of Adak, AlaskaMon, Sep 1, 10:41 PM HADT · 396 days ago · 25 km deep · 33 km away
10. 1.7143 km W of Adak, AlaskaMon, Sep 1, 4:42 PM HADT · 396 days ago · 11 km deep · 32 km away
11. 1.895 km SW of Adak, AlaskaMon, Sep 1, 7:53 AM HADT · 396 days ago · 23 km deep · 71 km away
12. 3.3109 km WSW of Adak, AlaskaFri, Aug 29, 10:12 PM HADT · 399 days ago · 13 km deep · 52 km away
13. 2.9101 km SW of Adak, AlaskaFri, Aug 29, 6:12 PM HADT · 399 days ago · 35 km deep · 78 km away
14. 1.688 km SW of Adak, AlaskaThu, Aug 28, 2:28 PM HADT · 400 days ago · 23 km deep · 81 km away
15. 2.0211 km W of Adak, AlaskaThu, Aug 28, 11:19 AM HADT · 400 days ago · 58 km deep · 61 km away
16. 1.7201 km WSW of Adak, AlaskaThu, Aug 28, 12:21 AM HADT · 401 days ago · 43 km deep · 45 km away
17. 1.7157 km WSW of Adak, AlaskaThu, Aug 28, 12:06 AM HADT · 401 days ago · 18 km deep · 7 km away
18. 1.9131 km WSW of Adak, AlaskaWed, Aug 27, 6:05 PM HADT · 401 days ago · 29 km deep · 41 km away
19. 2.5143 km W of Adak, AlaskaWed, Aug 27, 2:21 PM HADT · 401 days ago · 102 km deep · 42 km away
20. 2.5192 km W of Adak, AlaskaWed, Aug 27, 6:57 AM HADT · 401 days ago · 128 km deep · 67 km away

From the USGS Earthquake Hazards Program and its partner networks, event av93780138. Read Fri, Oct 2, 2026, 10:47 PM UTC.