M1.9 earthquake 237 km W of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Aug 28, 2025, 2:57 AM HADT

UTC

2025-08-28 11:57:17 UTC

Depth

118.5 km (73.6 mi), intermediate-depth

Epicenter

51.864° N, 179.921° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 2.0211 km W of Adak, AlaskaThu, Aug 28, 11:19 AM HADT · 400 days ago · 58 km deep · 45 km away
2. 5.1260 km W of Adak, AlaskaFri, Aug 29, 9:14 PM GMT+12 · 399 days ago · 81 km deep · 28 km away · tsunami flag
3. 3.7264 km W of Adak, AlaskaSat, Aug 30, 10:12 AM GMT+12 · 399 days ago · 77 km deep · 38 km away
4. 2.7265 km W of Adak, AlaskaSun, Aug 31, 8:02 PM GMT+12 · 397 days ago · 78 km deep · 38 km away
5. 1.7143 km W of Adak, AlaskaMon, Sep 1, 4:42 PM HADT · 395 days ago · 11 km deep · 98 km away
6. 2.1Rat Islands, Aleutian Islands, AlaskaWed, Sep 3, 5:40 AM GMT+12 · 395 days ago · 148 km deep · 68 km away
7. 1.6246 km WSW of Adak, AlaskaWed, Sep 3, 11:00 AM GMT+12 · 395 days ago · 45 km deep · 46 km away
8. 1.6266 km W of Adak, AlaskaWed, Sep 3, 5:49 PM GMT+12 · 394 days ago · 68 km deep · 42 km away
9. 1.6222 km W of Adak, AlaskaWed, Sep 3, 1:55 AM HADT · 394 days ago · 95 km deep · 17 km away
10. 2.1187 km WSW of Adak, AlaskaWed, Sep 10, 5:17 PM HADT · 386 days ago · 18 km deep · 84 km away
11. 4.5261 km W of Adak, AlaskaSat, Sep 13, 1:58 PM GMT+12 · 384 days ago · 73 km deep · 47 km away
12. 1.6Rat Islands, Aleutian Islands, AlaskaTue, Sep 16, 5:51 AM GMT+12 · 382 days ago · 6 km deep · 100 km away
13. 3.2231 km WSW of Adak, AlaskaTue, Sep 16, 4:13 PM HADT · 380 days ago · 15 km deep · 45 km away
14. 2.0Rat Islands, Aleutian Islands, AlaskaSun, Sep 21, 1:53 AM GMT+12 · 377 days ago · 4 km deep · 89 km away
15. 1.5151 km W of Adak, AlaskaThu, Sep 25, 1:13 AM HADT · 372 days ago · 14 km deep · 91 km away
16. 2.1164 km WSW of Adak, AlaskaThu, Sep 25, 1:31 PM HADT · 372 days ago · 16 km deep · 83 km away
17. 2.0264 km W of Adak, AlaskaFri, Sep 26, 7:36 PM GMT+12 · 371 days ago · 4 km deep · 28 km away
18. 2.6171 km W of Adak, AlaskaFri, Sep 26, 3:08 PM HADT · 371 days ago · 88 km deep · 71 km away
19. 2.6225 km W of Adak, AlaskaFri, Sep 26, 3:49 PM HADT · 371 days ago · 84 km deep · 23 km away
20. 1.9253 km W of Adak, AlaskaSun, Sep 28, 5:28 PM GMT+12 · 369 days ago · 3 km deep · 16 km away
21. 2.2257 km W of Adak, AlaskaSun, Sep 28, 9:15 PM GMT+12 · 369 days ago · 12 km deep · 22 km away
22. 1.9258 km W of Adak, AlaskaWed, Oct 1, 12:14 PM GMT+12 · 367 days ago · 9 km deep · 22 km away
23. 3.2236 km WSW of Adak, AlaskaSat, Oct 4, 9:45 AM HADT · 363 days ago · 11 km deep · 87 km away
24. 4.2200 km W of Adak, AlaskaSat, Oct 4, 4:51 PM HADT · 362 days ago · 79 km deep · 51 km away
25. 3.8253 km W of Adak, AlaskaSun, Oct 5, 7:00 PM GMT+12 · 362 days ago · 173 km deep · 34 km away
26. 4.5240 km WSW of Adak, AlaskaSat, Oct 11, 1:51 AM GMT-12 · 356 days ago · 35 km deep · 96 km away
27. 1.7260 km W of Adak, AlaskaSun, Oct 12, 1:33 PM GMT+12 · 355 days ago · 8 km deep · 24 km away
28. 1.9259 km W of Adak, AlaskaMon, Oct 13, 11:57 PM GMT+12 · 354 days ago · 7 km deep · 26 km away
29. 2.6144 km WSW of Adak, AlaskaWed, Oct 15, 12:08 AM HADT · 352 days ago · 80 km deep · 99 km away
30. 2.8221 km W of Adak, AlaskaThu, Oct 16, 10:09 PM HADT · 350 days ago · 10 km deep · 33 km away
31. 2.8206 km W of Adak, AlaskaFri, Oct 17, 7:08 PM HADT · 349 days ago · 96 km deep · 37 km away

Before

1. 2.0237 km W of Adak, AlaskaThu, Aug 28, 2:49 AM HADT · 400 days ago · 127 km deep · 1 km away
2. 2.2236 km W of Adak, AlaskaThu, Aug 28, 2:29 AM HADT · 400 days ago · 129 km deep · 3 km away
3. 2.3239 km W of Adak, AlaskaThu, Aug 28, 2:27 AM HADT · 400 days ago · 127 km deep · 2 km away
4. 5.9237 km W of Adak, AlaskaThu, Aug 28, 2:07 AM HADT · 400 days ago · 130 km deep · 29 km away · felt by 2 · tsunami flag
5. 1.7Rat Islands, Aleutian Islands, AlaskaThu, Aug 28, 9:48 PM GMT+12 · 400 days ago · 36 km deep · 89 km away
6. 1.7201 km WSW of Adak, AlaskaThu, Aug 28, 12:21 AM HADT · 400 days ago · 43 km deep · 63 km away
7. 2.5143 km W of Adak, AlaskaWed, Aug 27, 2:21 PM HADT · 401 days ago · 102 km deep · 95 km away
8. 1.8250 km W of Adak, AlaskaThu, Aug 28, 8:35 AM GMT+12 · 401 days ago · 83 km deep · 22 km away
9. 2.5192 km W of Adak, AlaskaWed, Aug 27, 6:57 AM HADT · 401 days ago · 128 km deep · 44 km away
10. 1.9180 km W of Adak, AlaskaWed, Aug 27, 5:22 AM HADT · 401 days ago · 100 km deep · 57 km away
11. 1.9173 km WSW of Adak, AlaskaTue, Aug 26, 8:25 AM HADT · 402 days ago · 21 km deep · 90 km away
12. 1.9Rat Islands, Aleutian Islands, AlaskaTue, Aug 26, 2:34 AM GMT+12 · 403 days ago · 53 km deep · 84 km away
13. 2.0Rat Islands, Aleutian Islands, AlaskaMon, Aug 25, 8:06 PM GMT+12 · 403 days ago · 40 km deep · 84 km away
14. 3.3140 km W of Adak, AlaskaSun, Aug 24, 10:29 PM HADT · 403 days ago · 114 km deep · 99 km away
15. 2.0181 km WSW of Adak, AlaskaSun, Aug 24, 8:45 PM HADT · 403 days ago · 9 km deep · 82 km away
16. 2.7258 km WSW of Adak, AlaskaMon, Aug 25, 4:52 PM GMT+12 · 403 days ago · 33 km deep · 72 km away
17. 1.9169 km W of Adak, AlaskaSun, Aug 24, 8:23 AM HADT · 404 days ago · 10 km deep · 71 km away
18. 2.0178 km WSW of Adak, AlaskaSun, Aug 24, 2:01 AM HADT · 404 days ago · 7 km deep · 91 km away
19. 2.7173 km WSW of Adak, AlaskaSat, Aug 23, 8:38 PM HADT · 404 days ago · 26 km deep · 89 km away
20. 2.1181 km WSW of Adak, AlaskaSat, Aug 23, 6:01 AM HADT · 405 days ago · 13 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak025b13vbbf. Read Fri, Oct 2, 2026, 12:22 PM UTC.