Alaska earthquakes

M1.8 earthquake 84 km E of Nikolski, Alaska

A magnitude 1.8 earthquake struck 84 km E of Nikolski, Alaska on Tue, Apr 22, 2025, 4:00 AM AKDT (12:00 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M5.0 82 km SSE of Nikolski, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-04-22 12:00:09 UTC
Depth
36.6 km (22.7 mi), shallow
Epicenter
52.867° N, 167.609° 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: 124 in the 60 days after this one and 87 in the 30 days before it.

After

  1. 2.1129 km S of Unalaska, Alaska · 529 days ago · 25 km deep · 68 km away
  2. 2.093 km SSW of Unalaska, Alaska · 529 days ago · 60 km deep · 39 km away
  3. 2.184 km SSE of Nikolski, Alaska · 529 days ago · 15 km deep · 79 km away
  4. 2.916 km ENE of Nikolski, Alaska · 529 days ago · 51 km deep · 69 km away
  5. 2.794 km SW of Unalaska, Alaska · 529 days ago · 57 km deep · 38 km away
  6. 2.2141 km ESE of Nikolski, Alaska · 527 days ago · 10 km deep · 62 km away
  7. 2.098 km SSW of Unalaska, Alaska · 526 days ago · 39 km deep · 38 km away
  8. 2.2133 km ESE of Nikolski, Alaska · 526 days ago · 1 km deep · 52 km away
  9. 3.873 km SSE of Nikolski, Alaska · 526 days ago · 26 km deep · 91 km away
  10. 1.778 km SSW of Unalaska, Alaska · 526 days ago · 48 km deep · 62 km away
  11. 4.873 km SSE of Nikolski, Alaska · 525 days ago · 25 km deep · 89 km away
  12. 3.982 km SSE of Nikolski, Alaska · 525 days ago · 35 km deep · 90 km away
  13. 4.886 km SSE of Nikolski, Alaska · 525 days ago · 10 km deep · 93 km away
  14. 5.082 km SSE of Nikolski, Alaska · 525 days ago · 11 km deep · 94 km away
  15. 3.269 km SSE of Nikolski, Alaska · 525 days ago · 27 km deep · 86 km away
  16. 2.031 km SSE of Nikolski, Alaska · 525 days ago · 40 km deep · 70 km away
  17. 3.894 km SSE of Nikolski, Alaska · 525 days ago · 27 km deep · 99 km away
  18. 1.776 km WSW of Unalaska, Alaska · 525 days ago · 17 km deep · 77 km away
  19. 2.685 km SSW of Unalaska, Alaska · 522 days ago · 10 km deep · 47 km away
  20. 1.873 km WSW of Unalaska, Alaska · 522 days ago · 13 km deep · 76 km away
  21. 3.646 km ESE of Nikolski, Alaska · 521 days ago · 35 km deep · 42 km away
  22. 1.556 km WSW of Unalaska, Alaska · 521 days ago · 16 km deep · 85 km away
  23. 1.574 km SW of Unalaska, Alaska · 521 days ago · 13 km deep · 66 km away
  24. 1.997 km E of Nikolski, Alaska · 520 days ago · 13 km deep · 27 km away
  25. 1.868 km SW of Unalaska, Alaska · 520 days ago · 10 km deep · 71 km away
  26. 1.779 km SW of Unalaska, Alaska · 519 days ago · 10 km deep · 67 km away
  27. 1.980 km NE of Nikolski, Alaska · 519 days ago · 72 km deep · 69 km away
  28. 4.688 km SSE of Nikolski, Alaska · 519 days ago · 10 km deep · 91 km away
  29. 4.270 km SSE of Nikolski, Alaska · 519 days ago · 36 km deep · 85 km away
  30. 2.973 km SSE of Nikolski, Alaska · 519 days ago · 35 km deep · 85 km away
  31. 3.733 km SE of Nikolski, Alaska · 518 days ago · 43 km deep · 67 km away
  32. 2.897 km SE of Nikolski, Alaska · 518 days ago · 10 km deep · 77 km away
  33. 1.968 km SW of Unalaska, Alaska · 517 days ago · 14 km deep · 70 km away
  34. 2.054 km SSW of Unalaska, Alaska · 517 days ago · 64 km deep · 80 km away
  35. 3.030 km ESE of Nikolski, Alaska · 516 days ago · 57 km deep · 54 km away
  36. 3.283 km SSW of Unalaska, Alaska · 516 days ago · 35 km deep · 58 km away
  37. 2.183 km SSW of Unalaska, Alaska · 516 days ago · 37 km deep · 61 km away
  38. 2.786 km SSW of Unalaska, Alaska · 516 days ago · 35 km deep · 60 km away
  39. 2.288 km SSE of Nikolski, Alaska · 516 days ago · 13 km deep · 95 km away
  40. 2.8132 km ESE of Nikolski, Alaska · 516 days ago · 10 km deep · 52 km away
  41. 3.681 km SSE of Nikolski, Alaska · 515 days ago · 10 km deep · 90 km away
  42. 2.841 km NNE of Nikolski, Alaska · 515 days ago · 128 km deep · 77 km away
  43. 1.873 km SW of Unalaska, Alaska · 514 days ago · 13 km deep · 72 km away
  44. 2.433 km N of Nikolski, Alaska · 513 days ago · 130 km deep · 95 km away
  45. 2.2139 km ESE of Nikolski, Alaska · 513 days ago · 13 km deep · 59 km away
  46. 1.875 km WSW of Unalaska, Alaska · 512 days ago · 13 km deep · 72 km away
  47. 2.1128 km ESE of Nikolski, Alaska · 512 days ago · 2 km deep · 59 km away
  48. 4.348 km SSW of Unalaska, Alaska · 512 days ago · 74 km deep · 86 km away · felt by 10
  49. 1.859 km S of Unalaska, Alaska · 512 days ago · 47 km deep · 84 km away
  50. 1.974 km SW of Unalaska, Alaska · 510 days ago · 13 km deep · 70 km away
  51. 1.970 km S of Unalaska, Alaska · 510 days ago · 43 km deep · 73 km away
  52. 2.577 km SW of Unalaska, Alaska · 510 days ago · 68 km deep · 55 km away
  53. 1.895 km SSW of Unalaska, Alaska · 509 days ago · 13 km deep · 43 km away
  54. 2.145 km ESE of Nikolski, Alaska · 508 days ago · 24 km deep · 46 km away
  55. 2.172 km SSE of Nikolski, Alaska · 507 days ago · 10 km deep · 78 km away
  56. 2.054 km SSE of Nikolski, Alaska · 506 days ago · 23 km deep · 82 km away
  57. 1.687 km SSW of Unalaska, Alaska · 506 days ago · 26 km deep · 52 km away
  58. 3.280 km E of Nikolski, Alaska · 506 days ago · 35 km deep · 11 km away
  59. 1.999 km E of Nikolski, Alaska · 505 days ago · 37 km deep · 17 km away
  60. 1.670 km SSW of Unalaska, Alaska · 505 days ago · 21 km deep · 63 km away

The first 60 of 124.

Before

  1. 2.242 km NE of Nikolski, Alaska · 531 days ago · 83 km deep · 66 km away
  2. 3.678 km S of Unalaska, Alaska · 534 days ago · 35 km deep · 70 km away
  3. 1.873 km S of Unalaska, Alaska · 534 days ago · 36 km deep · 73 km away
  4. 3.291 km E of Nikolski, Alaska · 535 days ago · 35 km deep · 7 km away
  5. 2.173 km WSW of Unalaska, Alaska · 537 days ago · 8 km deep · 78 km away
  6. 2.173 km WSW of Unalaska, Alaska · 537 days ago · 13 km deep · 79 km away
  7. 3.674 km WSW of Unalaska, Alaska · 537 days ago · 10 km deep · 74 km away
  8. 2.174 km WSW of Unalaska, Alaska · 537 days ago · 11 km deep · 84 km away
  9. 1.93 km SSW of Nikolski, Alaska · 538 days ago · 43 km deep · 86 km away
  10. 1.984 km SSW of Unalaska, Alaska · 539 days ago · 22 km deep · 54 km away
  11. 2.347 km ESE of Nikolski, Alaska · 539 days ago · 43 km deep · 38 km away
  12. 2.172 km ENE of Nikolski, Alaska · 541 days ago · 66 km deep · 38 km away
  13. 2.091 km SSE of Nikolski, Alaska · 542 days ago · 10 km deep · 93 km away
  14. 2.075 km SSE of Nikolski, Alaska · 542 days ago · 10 km deep · 89 km away
  15. 1.925 km S of Nikolski, Alaska · 542 days ago · 78 km deep · 90 km away
  16. 2.693 km SSW of Unalaska, Alaska · 543 days ago · 35 km deep · 44 km away
  17. 1.790 km SSW of Unalaska, Alaska · 543 days ago · 17 km deep · 48 km away
  18. 2.288 km SSW of Unalaska, Alaska · 543 days ago · 46 km deep · 46 km away
  19. 2.187 km SSW of Unalaska, Alaska · 543 days ago · 40 km deep · 48 km away
  20. 2.255 km ESE of Nikolski, Alaska · 543 days ago · 26 km deep · 31 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02555fc3bf. Read Mon, Oct 5, 2026, 5:22 AM UTC.