Alaska earthquakes

M1.9 earthquake 130 km S of Unalaska, Alaska

A magnitude 1.9 earthquake struck 130 km S of Unalaska, Alaska on Fri, Feb 21, 2025, 3:30 AM AKST (12:30 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M3.9 82 km SSW of Unalaska, 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.

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-02-21 12:30:34 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
52.711° N, 166.740° 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
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 115 in the 60 days after this one and 84 in the 30 days before it.

After

  1. 1.778 km S of Unalaska, Alaska · 589 days ago · 26 km deep · 52 km away
  2. 1.681 km SSW of Unalaska, Alaska · 589 days ago · 40 km deep · 50 km away
  3. 1.548 km S of Unalaska, Alaska · 589 days ago · 54 km deep · 83 km away
  4. 1.993 km SSW of Unalaska, Alaska · 589 days ago · 23 km deep · 42 km away
  5. 1.9127 km S of Unalaska, Alaska · 589 days ago · 5 km deep · 4 km away
  6. 1.793 km S of Unalaska, Alaska · 589 days ago · 6 km deep · 37 km away
  7. 1.752 km SSE of Unalaska, Alaska · 588 days ago · 49 km deep · 95 km away
  8. 1.650 km S of Unalaska, Alaska · 588 days ago · 35 km deep · 81 km away
  9. 3.683 km ENE of Nikolski, Alaska · 588 days ago · 50 km deep · 77 km away
  10. 1.788 km SW of Unalaska, Alaska · 588 days ago · 62 km deep · 71 km away
  11. 2.638 km SSE of Unalaska, Alaska · 588 days ago · 65 km deep · 98 km away
  12. 2.5139 km ESE of Nikolski, Alaska · 587 days ago · 5 km deep · 17 km away
  13. 2.765 km SE of Unalaska, Alaska · 587 days ago · 35 km deep · 97 km away
  14. 1.753 km SSW of Unalaska, Alaska · 587 days ago · 87 km deep · 81 km away
  15. 2.087 km SE of Nikolski, Alaska · 586 days ago · 25 km deep · 88 km away
  16. 1.874 km S of Unalaska, Alaska · 585 days ago · 26 km deep · 56 km away
  17. 1.790 km SSW of Unalaska, Alaska · 585 days ago · 35 km deep · 46 km away
  18. 1.8100 km E of Nikolski, Alaska · 583 days ago · 42 km deep · 47 km away
  19. 1.785 km SW of Unalaska, Alaska · 583 days ago · 63 km deep · 73 km away
  20. 1.686 km SSW of Unalaska, Alaska · 582 days ago · 47 km deep · 54 km away
  21. 2.784 km ESE of Nikolski, Alaska · 582 days ago · 35 km deep · 60 km away
  22. 3.056 km S of Unalaska, Alaska · 580 days ago · 54 km deep · 75 km away
  23. 2.562 km ENE of Nikolski, Alaska · 580 days ago · 64 km deep · 98 km away
  24. 1.876 km SSE of Unalaska, Alaska · 580 days ago · 21 km deep · 73 km away
  25. 2.0138 km ESE of Nikolski, Alaska · 580 days ago · 13 km deep · 19 km away
  26. 1.985 km SSW of Unalaska, Alaska · 579 days ago · 26 km deep · 47 km away
  27. 2.290 km SW of Unalaska, Alaska · 579 days ago · 61 km deep · 67 km away
  28. 1.953 km SW of Unalaska, Alaska · 579 days ago · 64 km deep · 100 km away
  29. 3.288 km SW of Unalaska, Alaska · 579 days ago · 78 km deep · 85 km away
  30. 1.769 km SSE of Unalaska, Alaska · 578 days ago · 23 km deep · 86 km away
  31. 1.545 km S of Unalaska, Alaska · 578 days ago · 25 km deep · 85 km away
  32. 1.673 km SW of Unalaska, Alaska · 578 days ago · 13 km deep · 85 km away
  33. 1.767 km SW of Unalaska, Alaska · 578 days ago · 10 km deep · 94 km away
  34. 2.0100 km E of Nikolski, Alaska · 577 days ago · 39 km deep · 46 km away
  35. 1.889 km SSW of Unalaska, Alaska · 577 days ago · 26 km deep · 48 km away
  36. 3.1166 km SSE of Unalaska, Alaska · 577 days ago · 10 km deep · 93 km away
  37. 2.090 km SSW of Unalaska, Alaska · 577 days ago · 19 km deep · 46 km away
  38. 2.570 km SE of Unalaska, Alaska · 576 days ago · 35 km deep · 90 km away
  39. 2.8157 km SSE of Unalaska, Alaska · 576 days ago · 10 km deep · 75 km away
  40. 2.3133 km S of Unalaska, Alaska · 576 days ago · 26 km deep · 6 km away
  41. 2.5135 km ESE of Nikolski, Alaska · 574 days ago · 10 km deep · 22 km away
  42. 2.284 km E of Nikolski, Alaska · 574 days ago · 58 km deep · 68 km away
  43. 2.996 km E of Nikolski, Alaska · 574 days ago · 35 km deep · 50 km away
  44. 2.280 km SSW of Unalaska, Alaska · 574 days ago · 26 km deep · 55 km away
  45. 3.477 km ENE of Nikolski, Alaska · 574 days ago · 55 km deep · 81 km away
  46. 1.748 km SW of Unalaska, Alaska · 573 days ago · 16 km deep · 97 km away
  47. 1.882 km SSW of Unalaska, Alaska · 571 days ago · 22 km deep · 50 km away
  48. 1.871 km SSW of Unalaska, Alaska · 571 days ago · 38 km deep · 60 km away
  49. 3.0177 km SSE of Unalaska, Alaska · 571 days ago · 10 km deep · 82 km away
  50. 1.978 km SW of Unalaska, Alaska · 569 days ago · 18 km deep · 85 km away
  51. 1.771 km SSE of Unalaska, Alaska · 569 days ago · 23 km deep · 82 km away
  52. 1.593 km SSW of Unalaska, Alaska · 568 days ago · 19 km deep · 52 km away
  53. 1.786 km ENE of Nikolski, Alaska · 568 days ago · 50 km deep · 77 km away
  54. 1.7103 km E of Nikolski, Alaska · 566 days ago · 40 km deep · 52 km away
  55. 1.974 km S of Unalaska, Alaska · 566 days ago · 18 km deep · 56 km away
  56. 2.689 km SSW of Unalaska, Alaska · 565 days ago · 35 km deep · 50 km away
  57. 3.488 km SSW of Unalaska, Alaska · 564 days ago · 35 km deep · 49 km away
  58. 3.982 km SSW of Unalaska, Alaska · 564 days ago · 35 km deep · 54 km away
  59. 2.187 km SSW of Unalaska, Alaska · 564 days ago · 26 km deep · 51 km away
  60. 2.6184 km S of Unalaska, Alaska · 564 days ago · 10 km deep · 61 km away

The first 60 of 115.

Before

  1. 2.980 km SW of Unalaska, Alaska · 590 days ago · 63 km deep · 76 km away
  2. 1.998 km SSW of Unalaska, Alaska · 591 days ago · 17 km deep · 35 km away
  3. 1.878 km S of Unalaska, Alaska · 591 days ago · 23 km deep · 53 km away
  4. 2.171 km E of Nikolski, Alaska · 591 days ago · 53 km deep · 78 km away
  5. 3.1125 km S of Unalaska, Alaska · 591 days ago · 10 km deep · 5 km away
  6. 1.970 km SW of Unalaska, Alaska · 592 days ago · 25 km deep · 79 km away
  7. 3.1165 km SE of Nikolski, Alaska · 592 days ago · 10 km deep · 76 km away
  8. 1.863 km S of Unalaska, Alaska · 592 days ago · 47 km deep · 71 km away
  9. 1.876 km SW of Unalaska, Alaska · 593 days ago · 13 km deep · 86 km away
  10. 2.883 km SE of Unalaska, Alaska · 594 days ago · 35 km deep · 100 km away
  11. 1.782 km SW of Unalaska, Alaska · 595 days ago · 29 km deep · 83 km away
  12. 2.283 km SW of Unalaska, Alaska · 595 days ago · 71 km deep · 87 km away
  13. 1.9111 km S of Unalaska, Alaska · 596 days ago · 6 km deep · 19 km away
  14. 1.989 km SW of Unalaska, Alaska · 596 days ago · 64 km deep · 67 km away
  15. 1.737 km SSW of Unalaska, Alaska · 596 days ago · 69 km deep · 93 km away
  16. 1.861 km SW of Unalaska, Alaska · 597 days ago · 74 km deep · 86 km away
  17. 2.179 km SSE of Unalaska, Alaska · 597 days ago · 25 km deep · 72 km away
  18. 1.976 km SSE of Unalaska, Alaska · 597 days ago · 19 km deep · 77 km away
  19. 2.395 km SE of Nikolski, Alaska · 598 days ago · 14 km deep · 85 km away
  20. 2.864 km SW of Unalaska, Alaska · 599 days ago · 85 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0252e79scq. Read Sun, Oct 4, 2026, 5:10 PM UTC.