M1.9 earthquake 68 km SSW of Atka, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Aug 22, 2025, 11:56 PM HADT

UTC

2025-08-23 08:56:23 UTC

Depth

15.8 km (9.8 mi), shallow

Epicenter

51.600° N, 174.478° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

18

After

1. 2.193 km ESE of Adak, AlaskaSat, Aug 23, 1:16 AM HADT · 406 days ago · 42 km deep · 59 km away
2. 3.865 km SE of Atka, AlaskaSat, Aug 23, 11:15 PM HADT · 405 days ago · 15 km deep · 69 km away
3. 2.070 km SSW of Atka, AlaskaMon, Aug 25, 2:15 AM HADT · 404 days ago · 40 km deep · 13 km away
4. 2.011 km SW of Atka, AlaskaMon, Aug 25, 5:12 AM HADT · 404 days ago · 16 km deep · 60 km away
5. 3.452 km ESE of Atka, AlaskaWed, Aug 27, 3:18 AM HADT · 402 days ago · 59 km deep · 80 km away
6. 2.162 km ESE of Atka, AlaskaWed, Aug 27, 9:38 AM HADT · 401 days ago · 65 km deep · 91 km away
7. 1.989 km SW of Atka, AlaskaThu, Aug 28, 1:33 AM HADT · 401 days ago · 41 km deep · 54 km away
8. 2.147 km ESE of Atka, AlaskaThu, Aug 28, 8:38 AM HADT · 400 days ago · 54 km deep · 73 km away
9. 1.714 km N of Atka, AlaskaSat, Aug 30, 3:50 AM HADT · 399 days ago · 4 km deep · 83 km away
10. 2.7105 km SW of Atka, AlaskaSat, Aug 30, 10:36 AM HADT · 398 days ago · 35 km deep · 46 km away
11. 3.788 km S of Atka, AlaskaSat, Aug 30, 1:53 PM HADT · 398 days ago · 35 km deep · 33 km away
12. 4.080 km SSE of Atka, AlaskaSun, Aug 31, 6:47 AM HADT · 398 days ago · 35 km deep · 38 km away
13. 3.066 km S of Atka, AlaskaSun, Aug 31, 6:51 AM HADT · 398 days ago · 24 km deep · 16 km away
14. 4.598 km S of Atka, AlaskaSun, Aug 31, 12:19 PM HADT · 397 days ago · 10 km deep · 48 km away
15. 3.4108 km SSE of Atka, AlaskaMon, Sep 1, 9:17 AM HADT · 396 days ago · 35 km deep · 57 km away
16. 3.7111 km S of Atka, AlaskaMon, Sep 1, 12:14 PM HADT · 396 days ago · 10 km deep · 55 km away
17. 4.7107 km S of Atka, AlaskaMon, Sep 1, 6:37 PM HADT · 396 days ago · 13 km deep · 54 km away
18. 2.7102 km SSE of Atka, AlaskaTue, Sep 2, 2:51 AM HADT · 396 days ago · 35 km deep · 56 km away
19. 2.139 km S of Atka, AlaskaTue, Sep 2, 11:16 AM HADT · 395 days ago · 68 km deep · 31 km away
20. 1.585 km WSW of Atka, AlaskaWed, Sep 3, 5:25 AM HADT · 395 days ago · 17 km deep · 80 km away
21. 2.7136 km SSE of Atka, AlaskaWed, Sep 3, 6:16 AM HADT · 395 days ago · 20 km deep · 93 km away
22. 2.582 km ESE of Adak, AlaskaWed, Sep 3, 6:27 AM HADT · 395 days ago · 50 km deep · 72 km away
23. 3.260 km ESE of Atka, AlaskaTue, Sep 9, 4:34 PM HADT · 388 days ago · 72 km deep · 82 km away
24. 1.518 km SW of Atka, AlaskaThu, Sep 11, 4:42 AM HADT · 387 days ago · 9 km deep · 55 km away
25. 3.844 km SE of Atka, AlaskaSun, Sep 14, 8:38 AM HADT · 383 days ago · 41 km deep · 66 km away
26. 1.824 km N of Atka, AlaskaTue, Sep 16, 6:56 PM HADT · 381 days ago · 3 km deep · 93 km away
27. 1.939 km ENE of Atka, AlaskaSun, Sep 21, 10:54 PM HADT · 376 days ago · 27 km deep · 98 km away
28. 4.586 km S of Atka, AlaskaThu, Sep 25, 2:40 AM HADT · 373 days ago · 16 km deep · 21 km away
29. 3.451 km E of Atka, AlaskaFri, Sep 26, 5:36 PM HADT · 371 days ago · 10 km deep · 92 km away
30. 2.230 km E of Atka, AlaskaFri, Sep 26, 5:38 PM HADT · 371 days ago · 7 km deep · 84 km away
31. 3.983 km SW of Atka, AlaskaSun, Sep 28, 4:38 AM HADT · 370 days ago · 35 km deep · 45 km away
32. 2.155 km SSW of Atka, AlaskaTue, Sep 30, 6:14 AM HADT · 368 days ago · 63 km deep · 13 km away
33. 4.4100 km SW of Atka, AlaskaWed, Oct 8, 10:38 AM HADT · 359 days ago · 35 km deep · 54 km away
34. 1.989 km ESE of Adak, AlaskaSat, Oct 18, 2:35 AM HADT · 350 days ago · 19 km deep · 69 km away

Before

1. 3.093 km SW of Atka, AlaskaFri, Aug 22, 2:53 PM HADT · 406 days ago · 35 km deep · 48 km away
2. 2.037 km WSW of Atka, AlaskaFri, Aug 22, 11:19 AM HADT · 406 days ago · 121 km deep · 50 km away
3. 1.852 km SSW of Atka, AlaskaThu, Aug 21, 9:34 PM HADT · 407 days ago · 13 km deep · 18 km away
4. 3.069 km SW of Atka, AlaskaThu, Aug 21, 4:49 PM HADT · 407 days ago · 35 km deep · 31 km away
5. 1.957 km WSW of Atka, AlaskaWed, Aug 20, 7:12 AM HADT · 409 days ago · 69 km deep · 49 km away
6. 1.799 km SW of Atka, AlaskaWed, Aug 20, 3:42 AM HADT · 409 days ago · 26 km deep · 49 km away
7. 2.281 km SSE of Atka, AlaskaTue, Aug 19, 5:06 PM HADT · 409 days ago · 17 km deep · 55 km away
8. 2.798 km ESE of Adak, AlaskaTue, Aug 19, 2:47 AM HADT · 410 days ago · 35 km deep · 55 km away
9. 1.844 km ESE of Atka, AlaskaTue, Aug 19, 12:00 AM HADT · 410 days ago · 9 km deep · 77 km away
10. 2.815 km SSE of Atka, AlaskaMon, Aug 18, 2:07 PM HADT · 410 days ago · 75 km deep · 60 km away
11. 2.845 km SSE of Atka, AlaskaMon, Aug 18, 9:28 AM HADT · 410 days ago · 77 km deep · 44 km away
12. 1.754 km SW of Atka, AlaskaMon, Aug 18, 9:16 AM HADT · 410 days ago · 64 km deep · 44 km away
13. 1.888 km SSE of Atka, AlaskaSun, Aug 17, 11:42 PM HADT · 411 days ago · 39 km deep · 69 km away
14. 1.873 km SE of Atka, AlaskaSun, Aug 17, 10:34 PM HADT · 411 days ago · 41 km deep · 61 km away
15. 1.8134 km S of Atka, AlaskaSun, Aug 17, 5:35 PM HADT · 411 days ago · 10 km deep · 74 km away
16. 1.749 km SE of Atka, AlaskaSun, Aug 17, 3:52 PM HADT · 411 days ago · 69 km deep · 66 km away
17. 1.868 km WSW of Atka, AlaskaSun, Aug 17, 3:41 PM HADT · 411 days ago · 126 km deep · 68 km away
18. 2.731 km ENE of Atka, AlaskaSun, Aug 17, 2:43 PM HADT · 411 days ago · 170 km deep · 95 km away
19. 1.770 km SSE of Atka, AlaskaSun, Aug 17, 12:49 PM HADT · 411 days ago · 3 km deep · 44 km away
20. 3.976 km SE of Atka, AlaskaSun, Aug 17, 5:46 AM HADT · 412 days ago · 35 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak025asse2tp. Read Sat, Oct 3, 2026, 4:40 AM UTC.