Alaska earthquakes

M1.8 earthquake 99 km S of False Pass, Alaska

A magnitude 1.8 earthquake struck 99 km S of False Pass, Alaska on Sun, Feb 23, 2025, 10:27 AM AKST (19:27 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.0 87 km SE of False Pass, 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
2025-02-23 19:27:06 UTC
Depth
33.3 km (20.7 mi), shallow
Epicenter
53.977° N, 163.712° 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
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 172 in the 60 days after this one and 86 in the 30 days before it.

After

  1. 1.987 km S of False Pass, Alaska · 585 days ago · 20 km deep · 17 km away
  2. 1.977 km ESE of Akutan, Alaska · 584 days ago · 51 km deep · 63 km away
  3. 1.8111 km SSW of False Pass, Alaska · 584 days ago · 41 km deep · 21 km away
  4. 1.8111 km SSW of False Pass, Alaska · 584 days ago · 25 km deep · 15 km away
  5. 1.759 km SW of False Pass, Alaska · 583 days ago · 69 km deep · 50 km away
  6. 2.9102 km ESE of Akutan, Alaska · 583 days ago · 18 km deep · 60 km away
  7. 2.987 km E of Akutan, Alaska · 582 days ago · 43 km deep · 49 km away
  8. 2.116 km WSW of False Pass, Alaska · 582 days ago · 128 km deep · 91 km away
  9. 1.861 km S of False Pass, Alaska · 582 days ago · 59 km deep · 48 km away
  10. 1.775 km S of False Pass, Alaska · 582 days ago · 22 km deep · 37 km away
  11. 1.910 km SSE of False Pass, Alaska · 582 days ago · 165 km deep · 90 km away
  12. 1.8107 km SSE of False Pass, Alaska · 582 days ago · 4 km deep · 49 km away
  13. 1.865 km E of Akutan, Alaska · 581 days ago · 68 km deep · 71 km away
  14. 2.59 km S of False Pass, Alaska · 581 days ago · 106 km deep · 90 km away
  15. 2.880 km S of False Pass, Alaska · 581 days ago · 35 km deep · 22 km away
  16. 2.148 km E of Akutan, Alaska · 581 days ago · 80 km deep · 91 km away
  17. 2.567 km SE of False Pass, Alaska · 581 days ago · 35 km deep · 75 km away
  18. 1.831 km SSW of False Pass, Alaska · 580 days ago · 17 km deep · 68 km away
  19. 2.539 km SE of False Pass, Alaska · 580 days ago · 70 km deep · 88 km away
  20. 2.266 km ESE of Akutan, Alaska · 580 days ago · 62 km deep · 71 km away
  21. 2.8143 km S of False Pass, Alaska · 580 days ago · 35 km deep · 53 km away
  22. 2.2145 km SE of Akutan, Alaska · 579 days ago · 21 km deep · 100 km away
  23. 1.627 km SSE of False Pass, Alaska · 579 days ago · 13 km deep · 75 km away
  24. 2.870 km SW of False Pass, Alaska · 579 days ago · 104 km deep · 65 km away
  25. 2.226 km ESE of False Pass, Alaska · 579 days ago · 99 km deep · 99 km away
  26. 2.294 km S of False Pass, Alaska · 579 days ago · 18 km deep · 37 km away
  27. 3.175 km SE of Akutan, Alaska · 579 days ago · 35 km deep · 98 km away
  28. 2.292 km SW of False Pass, Alaska · 578 days ago · 17 km deep · 41 km away
  29. 2.669 km SE of False Pass, Alaska · 578 days ago · 35 km deep · 90 km away
  30. 2.565 km SSE of False Pass, Alaska · 576 days ago · 74 km deep · 48 km away
  31. 2.9182 km S of False Pass, Alaska · 576 days ago · 10 km deep · 88 km away
  32. 2.534 km SSW of False Pass, Alaska · 576 days ago · 12 km deep · 65 km away
  33. 2.264 km SSW of False Pass, Alaska · 576 days ago · 69 km deep · 37 km away
  34. 3.1137 km SE of Akutan, Alaska · 576 days ago · 10 km deep · 89 km away
  35. 3.2131 km SE of Akutan, Alaska · 576 days ago · 35 km deep · 83 km away
  36. 2.140 km SW of False Pass, Alaska · 576 days ago · 84 km deep · 66 km away
  37. 2.8103 km SSE of False Pass, Alaska · 575 days ago · 10 km deep · 42 km away
  38. 2.176 km S of False Pass, Alaska · 575 days ago · 22 km deep · 34 km away
  39. 2.744 km ESE of False Pass, Alaska · 574 days ago · 85 km deep · 99 km away
  40. 2.596 km S of False Pass, Alaska · 573 days ago · 35 km deep · 9 km away
  41. 2.645 km SW of False Pass, Alaska · 573 days ago · 97 km deep · 60 km away
  42. 2.437 km S of False Pass, Alaska · 573 days ago · 85 km deep · 63 km away
  43. 2.173 km ESE of Akutan, Alaska · 572 days ago · 53 km deep · 67 km away
  44. 3.085 km SE of Akutan, Alaska · 571 days ago · 35 km deep · 76 km away
  45. 2.026 km SW of False Pass, Alaska · 571 days ago · 13 km deep · 77 km away
  46. 2.285 km S of King Cove, Alaska · 570 days ago · 11 km deep · 90 km away
  47. 2.7155 km ESE of Akutan, Alaska · 570 days ago · 10 km deep · 65 km away
  48. 2.692 km S of False Pass, Alaska · 569 days ago · 35 km deep · 30 km away
  49. 2.697 km SSE of False Pass, Alaska · 569 days ago · 16 km deep · 59 km away
  50. 2.2106 km ESE of Akutan, Alaska · 568 days ago · 49 km deep · 39 km away
  51. 2.7127 km ESE of Akutan, Alaska · 568 days ago · 35 km deep · 39 km away
  52. 1.992 km S of False Pass, Alaska · 568 days ago · 18 km deep · 35 km away
  53. 2.5111 km SSE of False Pass, Alaska · 566 days ago · 35 km deep · 55 km away
  54. 2.783 km E of Akutan, Alaska · 565 days ago · 64 km deep · 53 km away
  55. 3.691 km S of False Pass, Alaska · 565 days ago · 35 km deep · 17 km away
  56. 2.3107 km ESE of Akutan, Alaska · 565 days ago · 41 km deep · 54 km away
  57. 2.194 km E of Akutan, Alaska · 565 days ago · 41 km deep · 42 km away
  58. 2.267 km ESE of Akutan, Alaska · 564 days ago · 61 km deep · 69 km away
  59. 2.7164 km S of False Pass, Alaska · 564 days ago · 10 km deep · 76 km away
  60. 2.585 km SSE of False Pass, Alaska · 564 days ago · 35 km deep · 57 km away

The first 60 of 172.

Before

  1. 2.5106 km SSW of False Pass, Alaska · 585 days ago · 35 km deep · 9 km away
  2. 1.992 km S of False Pass, Alaska · 585 days ago · 23 km deep · 35 km away
  3. 1.9119 km ESE of Akutan, Alaska · 586 days ago · 45 km deep · 27 km away
  4. 2.7115 km SSW of False Pass, Alaska · 586 days ago · 35 km deep · 19 km away
  5. 1.898 km S of False Pass, Alaska · 586 days ago · 26 km deep · 7 km away
  6. 1.980 km SSW of False Pass, Alaska · 586 days ago · 62 km deep · 27 km away
  7. 2.7100 km SSE of False Pass, Alaska · 586 days ago · 35 km deep · 40 km away
  8. 2.199 km S of False Pass, Alaska · 586 days ago · 14 km deep · 38 km away
  9. 2.4145 km SSE of False Pass, Alaska · 587 days ago · 5 km deep · 94 km away
  10. 1.980 km SE of Akutan, Alaska · 587 days ago · 61 km deep · 92 km away
  11. 1.627 km SW of False Pass, Alaska · 587 days ago · 11 km deep · 78 km away
  12. 2.397 km SSE of False Pass, Alaska · 587 days ago · 14 km deep · 42 km away
  13. 2.199 km SSW of False Pass, Alaska · 588 days ago · 48 km deep · 36 km away
  14. 3.087 km SE of False Pass, Alaska · 589 days ago · 35 km deep · 81 km away
  15. 1.829 km SSW of False Pass, Alaska · 589 days ago · 3 km deep · 73 km away
  16. 1.929 km SSW of False Pass, Alaska · 589 days ago · 3 km deep · 72 km away
  17. 2.229 km SW of False Pass, Alaska · 589 days ago · 6 km deep · 74 km away
  18. 2.9137 km SSE of False Pass, Alaska · 589 days ago · 24 km deep · 65 km away
  19. 2.969 km ENE of Akutan, Alaska · 590 days ago · 93 km deep · 76 km away
  20. 2.398 km ESE of Akutan, Alaska · 590 days ago · 48 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0252hmhrz2. Read Thu, Oct 1, 2026, 2:26 PM UTC.