Alaska earthquakes

M1.6 earthquake 103 km SSE of Unalaska, Alaska

A magnitude 1.6 earthquake struck 103 km SSE of Unalaska, Alaska on Sun, Apr 27, 2025, 1:00 AM AKDT (09:00 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M5.2 132 km SE of Akutan, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2025-04-27 09:00:46 UTC
Depth
15.6 km (9.7 mi), shallow
Epicenter
53.093° N, 165.681° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
16

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 136 in the 60 days after this one and 62 in the 30 days before it.

After

  1. 1.778 km SSW of Unalaska, Alaska · 520 days ago · 48 km deep · 80 km away
  2. 1.662 km SE of Unalaska, Alaska · 520 days ago · 52 km deep · 47 km away
  3. 2.681 km SE of Akutan, Alaska · 517 days ago · 35 km deep · 64 km away
  4. 1.962 km SE of Unalaska, Alaska · 517 days ago · 36 km deep · 44 km away
  5. 2.573 km SE of Unalaska, Alaska · 517 days ago · 35 km deep · 36 km away
  6. 1.768 km SSE of Akutan, Alaska · 516 days ago · 9 km deep · 50 km away
  7. 2.073 km SE of Unalaska, Alaska · 516 days ago · 26 km deep · 39 km away
  8. 1.928 km SSE of Akutan, Alaska · 515 days ago · 61 km deep · 88 km away
  9. 2.0181 km SSE of Unalaska, Alaska · 515 days ago · 8 km deep · 79 km away
  10. 1.722 km SSE of Unalaska, Alaska · 514 days ago · 71 km deep · 82 km away
  11. 3.1142 km SE of Akutan, Alaska · 514 days ago · 24 km deep · 98 km away
  12. 1.630 km SE of Unalaska, Alaska · 514 days ago · 42 km deep · 76 km away
  13. 2.054 km SSW of Unalaska, Alaska · 511 days ago · 64 km deep · 88 km away
  14. 3.283 km SSW of Unalaska, Alaska · 511 days ago · 35 km deep · 80 km away
  15. 2.183 km SSW of Unalaska, Alaska · 511 days ago · 37 km deep · 77 km away
  16. 2.786 km SSW of Unalaska, Alaska · 511 days ago · 35 km deep · 75 km away
  17. 1.681 km SE of Unalaska, Alaska · 510 days ago · 21 km deep · 24 km away
  18. 2.666 km SSE of Akutan, Alaska · 510 days ago · 58 km deep · 67 km away
  19. 1.622 km SE of Unalaska, Alaska · 509 days ago · 73 km deep · 82 km away
  20. 1.970 km SE of Unalaska, Alaska · 508 days ago · 34 km deep · 41 km away
  21. 2.2139 km ESE of Nikolski, Alaska · 507 days ago · 13 km deep · 100 km away
  22. 1.953 km S of Akutan, Alaska · 507 days ago · 35 km deep · 62 km away
  23. 4.348 km SSW of Unalaska, Alaska · 506 days ago · 74 km deep · 85 km away · felt by 10
  24. 1.859 km S of Unalaska, Alaska · 506 days ago · 47 km deep · 68 km away
  25. 1.970 km S of Unalaska, Alaska · 504 days ago · 43 km deep · 72 km away
  26. 1.895 km SSW of Unalaska, Alaska · 503 days ago · 13 km deep · 93 km away
  27. 1.925 km S of Akutan, Alaska · 502 days ago · 70 km deep · 91 km away
  28. 2.244 km SSE of Unalaska, Alaska · 501 days ago · 26 km deep · 64 km away
  29. 1.988 km SSE of Akutan, Alaska · 501 days ago · 24 km deep · 34 km away
  30. 1.734 km SSE of Akutan, Alaska · 501 days ago · 63 km deep · 84 km away
  31. 1.687 km SSW of Unalaska, Alaska · 501 days ago · 26 km deep · 86 km away
  32. 1.670 km SSW of Unalaska, Alaska · 499 days ago · 21 km deep · 90 km away
  33. 2.057 km SSW of Unalaska, Alaska · 499 days ago · 68 km deep · 95 km away
  34. 1.873 km SSE of Akutan, Alaska · 499 days ago · 32 km deep · 46 km away
  35. 1.895 km SSW of Unalaska, Alaska · 497 days ago · 24 km deep · 98 km away
  36. 3.472 km SSW of Unalaska, Alaska · 497 days ago · 35 km deep · 76 km away
  37. 2.158 km SE of Unalaska, Alaska · 496 days ago · 22 km deep · 46 km away
  38. 2.149 km SE of Unalaska, Alaska · 496 days ago · 24 km deep · 54 km away
  39. 1.850 km S of Unalaska, Alaska · 496 days ago · 49 km deep · 69 km away
  40. 2.6183 km SSE of Unalaska, Alaska · 495 days ago · 10 km deep · 81 km away
  41. 2.1157 km ESE of Nikolski, Alaska · 495 days ago · 10 km deep · 98 km away
  42. 5.2132 km SE of Akutan, Alaska · 495 days ago · 10 km deep · 87 km away
  43. 2.5131 km SE of Akutan, Alaska · 495 days ago · 10 km deep · 92 km away
  44. 2.1136 km SE of Akutan, Alaska · 495 days ago · 37 km deep · 83 km away
  45. 2.2137 km SE of Akutan, Alaska · 494 days ago · 19 km deep · 88 km away
  46. 3.0142 km SE of Akutan, Alaska · 494 days ago · 35 km deep · 93 km away
  47. 2.299 km SE of Akutan, Alaska · 494 days ago · 8 km deep · 97 km away
  48. 4.5125 km SE of Akutan, Alaska · 494 days ago · 10 km deep · 88 km away
  49. 3.4131 km SE of Akutan, Alaska · 494 days ago · 10 km deep · 91 km away
  50. 2.3135 km SE of Akutan, Alaska · 494 days ago · 20 km deep · 88 km away
  51. 2.9142 km SE of Akutan, Alaska · 494 days ago · 28 km deep · 89 km away
  52. 1.736 km SSW of Unalaska, Alaska · 494 days ago · 71 km deep · 96 km away
  53. 3.0122 km SE of Akutan, Alaska · 494 days ago · 10 km deep · 85 km away
  54. 3.1140 km SE of Akutan, Alaska · 494 days ago · 35 km deep · 88 km away
  55. 2.5142 km SE of Akutan, Alaska · 494 days ago · 31 km deep · 93 km away
  56. 2.3155 km SE of Akutan, Alaska · 493 days ago · 8 km deep · 98 km away
  57. 2.2196 km SSE of Unalaska, Alaska · 493 days ago · 17 km deep · 94 km away
  58. 1.719 km E of Unalaska, Alaska · 493 days ago · 85 km deep · 94 km away
  59. 2.236 km SE of Unalaska, Alaska · 493 days ago · 63 km deep · 70 km away
  60. 3.392 km SSW of Unalaska, Alaska · 493 days ago · 35 km deep · 82 km away

The first 60 of 136.

Before

  1. 2.098 km SSW of Unalaska, Alaska · 521 days ago · 39 km deep · 98 km away
  2. 1.947 km SE of Unalaska, Alaska · 522 days ago · 47 km deep · 57 km away
  3. 1.875 km SE of Unalaska, Alaska · 522 days ago · 26 km deep · 41 km away
  4. 1.943 km SE of Akutan, Alaska · 522 days ago · 65 km deep · 92 km away
  5. 2.091 km SE of Akutan, Alaska · 522 days ago · 47 km deep · 66 km away
  6. 2.787 km SE of Akutan, Alaska · 522 days ago · 55 km deep · 70 km away
  7. 1.660 km SSE of Akutan, Alaska · 523 days ago · 4 km deep · 63 km away
  8. 1.99 km ESE of Unalaska, Alaska · 524 days ago · 100 km deep · 95 km away
  9. 2.1129 km S of Unalaska, Alaska · 524 days ago · 25 km deep · 77 km away
  10. 1.859 km SSE of Unalaska, Alaska · 527 days ago · 40 km deep · 52 km away
  11. 2.9140 km SE of Akutan, Alaska · 527 days ago · 10 km deep · 99 km away
  12. 1.872 km SE of Unalaska, Alaska · 527 days ago · 18 km deep · 31 km away
  13. 1.670 km SE of Unalaska, Alaska · 528 days ago · 22 km deep · 34 km away
  14. 3.678 km S of Unalaska, Alaska · 529 days ago · 35 km deep · 68 km away
  15. 1.873 km S of Unalaska, Alaska · 529 days ago · 36 km deep · 69 km away
  16. 1.745 km ESE of Unalaska, Alaska · 529 days ago · 45 km deep · 67 km away
  17. 2.9101 km SE of Akutan, Alaska · 530 days ago · 35 km deep · 83 km away
  18. 2.987 km SSE of Akutan, Alaska · 531 days ago · 35 km deep · 47 km away
  19. 2.274 km SSE of Akutan, Alaska · 531 days ago · 22 km deep · 50 km away
  20. 2.122 km ESE of Unalaska, Alaska · 531 days ago · 78 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0255dn8lsx. Read Tue, Sep 29, 2026, 5:32 PM UTC.