Alaska earthquakes

M1.8 earthquake 31 km SE of Unalaska, Alaska

A magnitude 1.8 earthquake struck 31 km SE of Unalaska, Alaska on Sat, Apr 12, 2025, 3:25 PM AKDT (23:25 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M4.3 48 km SSW of Unalaska, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-04-12 23:25:45 UTC
Depth
44.9 km (27.9 mi), shallow
Epicenter
53.651° N, 166.233° 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
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 153 in the 60 days after this one and 99 in the 30 days before it.

After

  1. 2.088 km SE of Unalaska, Alaska · 538 days ago · 25 km deep · 57 km away
  2. 1.851 km SE of Unalaska, Alaska · 537 days ago · 37 km deep · 20 km away
  3. 1.984 km SSW of Unalaska, Alaska · 537 days ago · 22 km deep · 73 km away
  4. 2.388 km SSE of Akutan, Alaska · 537 days ago · 20 km deep · 72 km away
  5. 1.776 km SSE of Akutan, Alaska · 537 days ago · 22 km deep · 71 km away
  6. 2.071 km SE of Unalaska, Alaska · 536 days ago · 32 km deep · 40 km away
  7. 2.1110 km SSE of Unalaska, Alaska · 536 days ago · 13 km deep · 82 km away
  8. 1.876 km SE of Unalaska, Alaska · 536 days ago · 16 km deep · 45 km away
  9. 2.028 km E of Unalaska, Alaska · 536 days ago · 85 km deep · 26 km away
  10. 2.174 km WSW of Unalaska, Alaska · 535 days ago · 11 km deep · 89 km away
  11. 3.674 km WSW of Unalaska, Alaska · 535 days ago · 10 km deep · 85 km away
  12. 2.173 km WSW of Unalaska, Alaska · 535 days ago · 13 km deep · 86 km away
  13. 2.122 km ESE of Unalaska, Alaska · 535 days ago · 78 km deep · 14 km away
  14. 2.173 km WSW of Unalaska, Alaska · 535 days ago · 8 km deep · 85 km away
  15. 2.274 km SSE of Akutan, Alaska · 535 days ago · 22 km deep · 59 km away
  16. 2.987 km SSE of Akutan, Alaska · 535 days ago · 35 km deep · 71 km away
  17. 2.718 km W of Dutch Harbor, Alaska · 534 days ago · 99 km deep · 45 km away
  18. 1.745 km ESE of Unalaska, Alaska · 533 days ago · 45 km deep · 20 km away
  19. 1.873 km S of Unalaska, Alaska · 533 days ago · 36 km deep · 57 km away
  20. 3.678 km S of Unalaska, Alaska · 532 days ago · 35 km deep · 61 km away
  21. 1.670 km SE of Unalaska, Alaska · 532 days ago · 22 km deep · 39 km away
  22. 1.872 km SE of Unalaska, Alaska · 531 days ago · 18 km deep · 41 km away
  23. 1.859 km SSE of Unalaska, Alaska · 530 days ago · 40 km deep · 34 km away
  24. 3.057 km ESE of Akutan, Alaska · 529 days ago · 50 km deep · 87 km away
  25. 1.954 km ESE of Akutan, Alaska · 529 days ago · 47 km deep · 87 km away
  26. 2.053 km ESE of Akutan, Alaska · 529 days ago · 75 km deep · 92 km away
  27. 2.093 km SSW of Unalaska, Alaska · 528 days ago · 60 km deep · 88 km away
  28. 1.736 km ESE of Akutan, Alaska · 528 days ago · 68 km deep · 80 km away
  29. 1.99 km ESE of Unalaska, Alaska · 528 days ago · 100 km deep · 23 km away
  30. 2.335 km WNW of Akutan, Alaska · 528 days ago · 170 km deep · 62 km away
  31. 1.660 km SSE of Akutan, Alaska · 527 days ago · 4 km deep · 54 km away
  32. 2.794 km SW of Unalaska, Alaska · 527 days ago · 57 km deep · 91 km away
  33. 1.920 km W of Dutch Harbor, Alaska · 527 days ago · 5 km deep · 49 km away
  34. 2.787 km SE of Akutan, Alaska · 526 days ago · 55 km deep · 87 km away
  35. 2.091 km SE of Akutan, Alaska · 526 days ago · 47 km deep · 88 km away
  36. 1.943 km SE of Akutan, Alaska · 526 days ago · 65 km deep · 69 km away
  37. 1.875 km SE of Unalaska, Alaska · 526 days ago · 26 km deep · 45 km away
  38. 1.947 km SE of Unalaska, Alaska · 526 days ago · 47 km deep · 16 km away
  39. 1.833 km W of Dutch Harbor, Alaska · 525 days ago · 101 km deep · 58 km away
  40. 2.098 km SSW of Unalaska, Alaska · 525 days ago · 39 km deep · 89 km away
  41. 1.6103 km SSE of Unalaska, Alaska · 524 days ago · 16 km deep · 72 km away
  42. 1.778 km SSW of Unalaska, Alaska · 524 days ago · 48 km deep · 66 km away
  43. 1.662 km SE of Unalaska, Alaska · 524 days ago · 52 km deep · 31 km away
  44. 1.776 km WSW of Unalaska, Alaska · 523 days ago · 17 km deep · 88 km away
  45. 2.681 km SE of Akutan, Alaska · 521 days ago · 35 km deep · 78 km away
  46. 1.962 km SE of Unalaska, Alaska · 520 days ago · 36 km deep · 31 km away
  47. 2.573 km SE of Unalaska, Alaska · 520 days ago · 35 km deep · 42 km away
  48. 2.685 km SSW of Unalaska, Alaska · 520 days ago · 10 km deep · 81 km away
  49. 1.768 km SSE of Akutan, Alaska · 520 days ago · 9 km deep · 47 km away
  50. 1.873 km WSW of Unalaska, Alaska · 520 days ago · 13 km deep · 84 km away
  51. 2.073 km SE of Unalaska, Alaska · 520 days ago · 26 km deep · 43 km away
  52. 1.928 km SSE of Akutan, Alaska · 519 days ago · 61 km deep · 45 km away
  53. 1.556 km WSW of Unalaska, Alaska · 519 days ago · 16 km deep · 67 km away
  54. 1.574 km SW of Unalaska, Alaska · 519 days ago · 13 km deep · 81 km away
  55. 1.722 km SSE of Unalaska, Alaska · 518 days ago · 71 km deep · 12 km away
  56. 1.868 km SW of Unalaska, Alaska · 518 days ago · 10 km deep · 75 km away
  57. 1.779 km SW of Unalaska, Alaska · 518 days ago · 10 km deep · 88 km away
  58. 1.630 km SE of Unalaska, Alaska · 518 days ago · 42 km deep · 8 km away
  59. 1.968 km SW of Unalaska, Alaska · 515 days ago · 14 km deep · 74 km away
  60. 2.054 km SSW of Unalaska, Alaska · 515 days ago · 64 km deep · 49 km away

The first 60 of 153.

Before

  1. 1.758 km SSE of Unalaska, Alaska · 539 days ago · 31 km deep · 32 km away
  2. 2.076 km SSE of Akutan, Alaska · 540 days ago · 49 km deep · 63 km away
  3. 1.779 km SSE of Akutan, Alaska · 540 days ago · 50 km deep · 70 km away
  4. 1.522 km SSE of Unalaska, Alaska · 540 days ago · 73 km deep · 10 km away
  5. 2.693 km SSW of Unalaska, Alaska · 541 days ago · 35 km deep · 83 km away
  6. 1.790 km SSW of Unalaska, Alaska · 541 days ago · 17 km deep · 79 km away
  7. 2.288 km SSW of Unalaska, Alaska · 541 days ago · 46 km deep · 81 km away
  8. 2.187 km SSW of Unalaska, Alaska · 541 days ago · 40 km deep · 79 km away
  9. 1.860 km SSE of Akutan, Alaska · 541 days ago · 37 km deep · 45 km away
  10. 2.981 km SSW of Unalaska, Alaska · 541 days ago · 33 km deep · 68 km away
  11. 2.592 km SSW of Unalaska, Alaska · 542 days ago · 35 km deep · 80 km away
  12. 2.062 km SE of Akutan, Alaska · 542 days ago · 45 km deep · 78 km away
  13. 2.095 km SE of Unalaska, Alaska · 543 days ago · 16 km deep · 64 km away
  14. 1.767 km SSW of Unalaska, Alaska · 543 days ago · 62 km deep · 58 km away
  15. 2.170 km WSW of Unalaska, Alaska · 544 days ago · 13 km deep · 81 km away
  16. 2.151 km WSW of Unalaska, Alaska · 544 days ago · 120 km deep · 70 km away
  17. 2.149 km SE of Unalaska, Alaska · 546 days ago · 63 km deep · 21 km away
  18. 2.473 km SSE of Akutan, Alaska · 546 days ago · 35 km deep · 58 km away
  19. 1.542 km SE of Unalaska, Alaska · 548 days ago · 51 km deep · 11 km away
  20. 2.955 km SSW of Unalaska, Alaska · 550 days ago · 13 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0254p2ntpe. Read Sat, Oct 3, 2026, 12:31 PM UTC.