M1.5 earthquake 81 km SSW of Unalaska, Alaska

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Aug 7, 2025, 10:04 AM AKDT

UTC

2025-08-07 18:04:40 UTC

Depth

15.4 km (9.6 mi), shallow

Epicenter

53.187° N, 166.949° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

• Unalaska, AlaskaPopulation 4,491. Forecast81 kmSSW

After

1. 1.988 km SSW of Unalaska, AlaskaThu, Aug 7, 12:12 PM AKDT · 421 days ago · 26 km deep · 8 km away
2. 1.649 km SSW of Unalaska, AlaskaFri, Aug 8, 3:42 AM AKDT · 420 days ago · 68 km deep · 35 km away
3. 1.750 km SW of Unalaska, AlaskaFri, Aug 8, 5:05 AM AKDT · 420 days ago · 14 km deep · 42 km away
4. 1.659 km S of Akutan, AlaskaFri, Aug 8, 6:18 AM AKDT · 420 days ago · 53 km deep · 98 km away
5. 1.8123 km ESE of Nikolski, AlaskaFri, Aug 8, 8:28 AM AKDT · 420 days ago · 15 km deep · 59 km away
6. 1.876 km SW of Unalaska, AlaskaFri, Aug 8, 8:18 PM AKDT · 420 days ago · 18 km deep · 40 km away
7. 3.325 km SE of Unalaska, AlaskaFri, Aug 8, 9:58 PM AKDT · 420 days ago · 78 km deep · 78 km away
8. 1.886 km SSW of Unalaska, AlaskaSun, Aug 10, 10:37 AM AKDT · 418 days ago · 47 km deep · 10 km away
9. 2.0125 km ESE of Nikolski, AlaskaSun, Aug 10, 4:39 PM AKDT · 418 days ago · 16 km deep · 70 km away
10. 3.438 km S of Unalaska, AlaskaMon, Aug 11, 8:29 PM AKDT · 417 days ago · 69 km deep · 47 km away
11. 3.490 km SSW of Unalaska, AlaskaTue, Aug 12, 3:22 PM AKDT · 416 days ago · 35 km deep · 12 km away
12. 1.749 km SW of Unalaska, AlaskaTue, Aug 12, 5:11 PM AKDT · 416 days ago · 16 km deep · 41 km away
13. 1.749 km SW of Unalaska, AlaskaTue, Aug 12, 5:16 PM AKDT · 416 days ago · 19 km deep · 42 km away
14. 1.950 km SW of Unalaska, AlaskaTue, Aug 12, 7:27 PM AKDT · 416 days ago · 13 km deep · 37 km away
15. 3.329 km SE of Unalaska, AlaskaWed, Aug 13, 8:21 AM AKDT · 415 days ago · 81 km deep · 79 km away
16. 2.049 km SW of Unalaska, AlaskaThu, Aug 14, 2:53 PM AKDT · 414 days ago · 17 km deep · 40 km away
17. 1.991 km SSW of Unalaska, AlaskaThu, Aug 14, 7:25 PM AKDT · 414 days ago · 31 km deep · 10 km away
18. 1.527 km SE of Unalaska, AlaskaFri, Aug 15, 1:22 AM AKDT · 413 days ago · 69 km deep · 70 km away
19. 1.635 km SSW of Unalaska, AlaskaFri, Aug 15, 9:03 AM AKDT · 413 days ago · 71 km deep · 47 km away
20. 3.469 km NE of Nikolski, AlaskaSat, Aug 16, 7:50 PM AKDT · 412 days ago · 121 km deep · 85 km away
21. 1.984 km SSW of Unalaska, AlaskaSat, Aug 16, 8:10 PM AKDT · 412 days ago · 28 km deep · 10 km away
22. 1.554 km SW of Unalaska, AlaskaSun, Aug 17, 3:21 PM AKDT · 411 days ago · 16 km deep · 44 km away
23. 1.593 km SSW of Unalaska, AlaskaSun, Aug 17, 11:21 PM AKDT · 411 days ago · 26 km deep · 13 km away
24. 1.6106 km ESE of Nikolski, AlaskaMon, Aug 18, 2:58 AM AKDT · 410 days ago · 2 km deep · 68 km away
25. 1.596 km SSW of Unalaska, AlaskaMon, Aug 18, 4:04 AM AKDT · 410 days ago · 26 km deep · 16 km away
26. 1.7101 km SSW of Unalaska, AlaskaMon, Aug 18, 8:50 AM AKDT · 410 days ago · 32 km deep · 30 km away
27. 2.634 km SW of Unalaska, AlaskaMon, Aug 18, 1:16 PM AKDT · 410 days ago · 79 km deep · 54 km away
28. 1.876 km S of Unalaska, AlaskaMon, Aug 18, 5:04 PM AKDT · 410 days ago · 50 km deep · 14 km away
29. 1.781 km SSE of Unalaska, AlaskaTue, Aug 19, 7:02 AM AKDT · 409 days ago · 21 km deep · 59 km away
30. 1.874 km ESE of Nikolski, AlaskaFri, Aug 22, 6:06 AM AKDT · 406 days ago · 25 km deep · 79 km away
31. 1.7110 km ESE of Nikolski, AlaskaFri, Aug 22, 9:13 AM AKDT · 406 days ago · 11 km deep · 83 km away
32. 2.7113 km SE of Nikolski, AlaskaFri, Aug 22, 9:54 AM AKDT · 406 days ago · 14 km deep · 97 km away
33. 3.166 km SE of Unalaska, AlaskaFri, Aug 22, 5:06 PM AKDT · 406 days ago · 35 km deep · 76 km away
34. 2.674 km SSE of Unalaska, AlaskaSat, Aug 23, 7:41 AM AKDT · 405 days ago · 35 km deep · 46 km away
35. 1.7110 km E of Nikolski, AlaskaSat, Aug 23, 2:34 PM AKDT · 405 days ago · 38 km deep · 39 km away
36. 1.875 km SE of Unalaska, AlaskaSun, Aug 24, 1:37 AM AKDT · 404 days ago · 39 km deep · 90 km away
37. 1.587 km SSW of Unalaska, AlaskaSun, Aug 24, 11:33 AM AKDT · 404 days ago · 26 km deep · 11 km away
38. 2.624 km SE of Unalaska, AlaskaSun, Aug 24, 10:13 PM AKDT · 404 days ago · 74 km deep · 77 km away
39. 1.860 km SSE of Unalaska, AlaskaMon, Aug 25, 12:42 AM AKDT · 404 days ago · 53 km deep · 58 km away
40. 1.630 km SSW of Unalaska, AlaskaTue, Aug 26, 12:17 AM AKDT · 403 days ago · 78 km deep · 51 km away
41. 1.850 km SW of Unalaska, AlaskaTue, Aug 26, 8:28 PM AKDT · 402 days ago · 18 km deep · 41 km away
42. 2.2138 km ESE of Nikolski, AlaskaWed, Aug 27, 5:22 AM AKDT · 401 days ago · 7 km deep · 97 km away
43. 1.921 km ESE of Unalaska, AlaskaThu, Aug 28, 6:50 AM AKDT · 400 days ago · 79 km deep · 82 km away
44. 1.926 km SE of Unalaska, AlaskaSat, Aug 30, 11:22 AM AKDT · 398 days ago · 72 km deep · 79 km away
45. 2.3103 km E of Nikolski, AlaskaSat, Aug 30, 2:16 PM AKDT · 398 days ago · 47 km deep · 47 km away
46. 2.593 km WSW of Unalaska, AlaskaSat, Aug 30, 7:54 PM AKDT · 398 days ago · 100 km deep · 68 km away
47. 1.9102 km SE of Unalaska, AlaskaMon, Sep 1, 4:19 AM AKDT · 396 days ago · 13 km deep · 89 km away
48. 2.1144 km ESE of Nikolski, AlaskaMon, Sep 1, 8:48 PM AKDT · 396 days ago · 6 km deep · 83 km away
49. 1.567 km SE of Unalaska, AlaskaTue, Sep 2, 4:05 AM AKDT · 395 days ago · 26 km deep · 72 km away
50. 1.933 km SW of Unalaska, AlaskaTue, Sep 2, 8:35 AM AKDT · 395 days ago · 75 km deep · 50 km away
51. 2.616 km SE of Unalaska, AlaskaTue, Sep 2, 8:49 AM AKDT · 395 days ago · 81 km deep · 76 km away
52. 2.755 km SW of Unalaska, AlaskaTue, Sep 2, 11:23 AM AKDT · 395 days ago · 17 km deep · 37 km away
53. 2.111 km NW of Dutch Harbor, AlaskaMon, Sep 22, 11:25 PM AKDT · 375 days ago · 11 km deep · 87 km away
54. 1.753 km SW of Unalaska, AlaskaSat, Sep 27, 12:22 PM AKDT · 370 days ago · 15 km deep · 48 km away
55. 3.789 km E of Nikolski, AlaskaTue, Sep 30, 12:55 PM AKDT · 367 days ago · 82 km deep · 43 km away
56. 3.765 km SE of Unalaska, AlaskaSat, Oct 4, 3:28 PM AKDT · 363 days ago · 53 km deep · 76 km away

Before

1. 1.537 km S of Unalaska, AlaskaThu, Aug 7, 7:53 AM AKDT · 421 days ago · 47 km deep · 48 km away
2. 1.6109 km SSW of Unalaska, AlaskaThu, Aug 7, 2:40 AM AKDT · 421 days ago · 18 km deep · 29 km away
3. 1.659 km SE of Unalaska, AlaskaWed, Aug 6, 7:38 PM AKDT · 422 days ago · 39 km deep · 87 km away
4. 2.0106 km SE of Unalaska, AlaskaWed, Aug 6, 12:03 PM AKDT · 422 days ago · 7 km deep · 92 km away
5. 1.7122 km ESE of Nikolski, AlaskaWed, Aug 6, 12:21 AM AKDT · 423 days ago · 17 km deep · 59 km away
6. 3.484 km S of Unalaska, AlaskaTue, Aug 5, 11:37 PM AKDT · 423 days ago · 19 km deep · 21 km away
7. 1.699 km E of Nikolski, AlaskaTue, Aug 5, 11:12 PM AKDT · 423 days ago · 37 km deep · 42 km away
8. 2.0154 km S of Unalaska, AlaskaTue, Aug 5, 10:02 PM AKDT · 423 days ago · 15 km deep · 81 km away
9. 1.960 km NE of Nikolski, AlaskaMon, Aug 4, 6:37 PM AKDT · 424 days ago · 71 km deep · 82 km away
10. 1.8106 km SE of Unalaska, AlaskaMon, Aug 4, 12:44 PM AKDT · 424 days ago · 8 km deep · 89 km away
11. 1.574 km SW of Unalaska, AlaskaMon, Aug 4, 4:37 AM AKDT · 424 days ago · 13 km deep · 48 km away
12. 2.831 km SE of Unalaska, AlaskaSun, Aug 3, 3:03 PM AKDT · 425 days ago · 80 km deep · 75 km away
13. 1.891 km SSW of Unalaska, AlaskaSun, Aug 3, 1:41 AM AKDT · 425 days ago · 26 km deep · 10 km away
14. 1.892 km SSW of Unalaska, AlaskaSun, Aug 3, 12:02 AM AKDT · 426 days ago · 26 km deep · 11 km away
15. 2.026 km SE of Unalaska, AlaskaSat, Aug 2, 5:13 AM AKDT · 426 days ago · 79 km deep · 78 km away
16. 2.046 km WSW of Dutch Harbor, AlaskaSat, Aug 2, 12:52 AM AKDT · 427 days ago · 112 km deep · 67 km away
17. 1.941 km ESE of Nikolski, AlaskaFri, Aug 1, 8:11 AM AKDT · 427 days ago · 51 km deep · 95 km away
18. 1.667 km SE of Unalaska, AlaskaFri, Aug 1, 6:57 AM AKDT · 427 days ago · 42 km deep · 84 km away
19. 1.660 km ESE of Nikolski, AlaskaThu, Jul 31, 8:20 PM AKDT · 428 days ago · 24 km deep · 81 km away
20. 3.788 km SSE of Unalaska, AlaskaThu, Jul 31, 6:21 AM AKDT · 428 days ago · 35 km deep · 61 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak025a2hfr17. Read Fri, Oct 2, 2026, 8:32 PM UTC.