Alaska earthquakes

M2.5 earthquake 81 km SSE of Atka, Alaska

A magnitude 2.5 earthquake struck 81 km SSE of Atka, Alaska on Fri, Apr 11, 2025, 2:11 AM HADT (11:11 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.8 46 km E of Atka, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-04-11 11:11:07 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
51.554° N, 173.620° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.162 · 7 stations
2.0ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.0 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.16
Depth from
Operator assigned
Station coverage gap
297°, poorly surrounded by stations
Stations used
13

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 2.150 km S of Atka, Alaska · 539 days ago · 2 km deep · 40 km away
  2. 3.296 km SE of Atka, Alaska · 538 days ago · 34 km deep · 28 km away
  3. 3.219 km ENE of Atka, Alaska · 537 days ago · 121 km deep · 85 km away
  4. 3.592 km SSE of Atka, Alaska · 537 days ago · 35 km deep · 11 km away
  5. 2.811 km NNW of Atka, Alaska · 537 days ago · 192 km deep · 93 km away
  6. 2.815 km SW of Atka, Alaska · 534 days ago · 10 km deep · 78 km away
  7. 2.113 km WSW of Atka, Alaska · 534 days ago · 10 km deep · 86 km away
  8. 3.915 km WNW of Atka, Alaska · 534 days ago · 225 km deep · 95 km away
  9. 3.453 km E of Atka, Alaska · 533 days ago · 59 km deep · 77 km away
  10. 1.845 km SW of Atka, Alaska · 533 days ago · 57 km deep · 89 km away
  11. 2.6100 km S of Atka, Alaska · 532 days ago · 10 km deep · 59 km away
  12. 2.599 km SE of Atka, Alaska · 532 days ago · 35 km deep · 22 km away
  13. 2.554 km SSW of Atka, Alaska · 532 days ago · 35 km deep · 65 km away
  14. 2.826 km S of Atka, Alaska · 531 days ago · 10 km deep · 60 km away
  15. 2.838 km S of Atka, Alaska · 531 days ago · 71 km deep · 48 km away
  16. 1.720 km WSW of Atka, Alaska · 531 days ago · 21 km deep · 84 km away
  17. 3.097 km SE of Atka, Alaska · 528 days ago · 11 km deep · 44 km away
  18. 2.040 km E of Atka, Alaska · 528 days ago · 5 km deep · 67 km away
  19. 3.14 km W of Atka, Alaska · 528 days ago · 205 km deep · 84 km away
  20. 1.935 km SSW of Atka, Alaska · 527 days ago · 62 km deep · 62 km away
  21. 1.837 km WSW of Atka, Alaska · 526 days ago · 36 km deep · 97 km away
  22. 2.389 km ESE of Atka, Alaska · 524 days ago · 38 km deep · 46 km away
  23. 2.374 km ESE of Atka, Alaska · 524 days ago · 44 km deep · 39 km away
  24. 2.8121 km S of Atka, Alaska · 524 days ago · 29 km deep · 68 km away
  25. 3.377 km ESE of Atka, Alaska · 522 days ago · 63 km deep · 46 km away
  26. 2.2166 km S of Atka, Alaska · 519 days ago · 4 km deep · 97 km away
  27. 3.042 km SE of Atka, Alaska · 517 days ago · 10 km deep · 42 km away
  28. 2.051 km S of Atka, Alaska · 517 days ago · 35 km deep · 54 km away
  29. 2.062 km SW of Atka, Alaska · 515 days ago · 49 km deep · 92 km away
  30. 2.848 km SSE of Atka, Alaska · 514 days ago · 81 km deep · 34 km away
  31. 2.6152 km S of Atka, Alaska · 514 days ago · 10 km deep · 82 km away
  32. 2.175 km SW of Atka, Alaska · 514 days ago · 26 km deep · 87 km away
  33. 1.991 km S of Atka, Alaska · 512 days ago · 19 km deep · 57 km away
  34. 3.774 km SW of Atka, Alaska · 512 days ago · 35 km deep · 87 km away
  35. 2.199 km S of Atka, Alaska · 512 days ago · 10 km deep · 55 km away
  36. 2.194 km S of Atka, Alaska · 512 days ago · 14 km deep · 57 km away
  37. 2.086 km S of Atka, Alaska · 512 days ago · 24 km deep · 54 km away
  38. 2.789 km SE of Atka, Alaska · 512 days ago · 35 km deep · 13 km away
  39. 3.191 km SE of Atka, Alaska · 512 days ago · 35 km deep · 14 km away
  40. 1.731 km SE of Atka, Alaska · 510 days ago · 6 km deep · 56 km away
  41. 2.944 km SSE of Atka, Alaska · 508 days ago · 19 km deep · 40 km away
  42. 1.967 km SW of Atka, Alaska · 507 days ago · 47 km deep · 99 km away
  43. 2.344 km SE of Atka, Alaska · 506 days ago · 24 km deep · 45 km away
  44. 1.724 km WSW of Atka, Alaska · 506 days ago · 25 km deep · 86 km away
  45. 3.139 km SE of Atka, Alaska · 506 days ago · 14 km deep · 47 km away
  46. 3.026 km E of Atka, Alaska · 505 days ago · 85 km deep · 69 km away
  47. 2.031 km S of Atka, Alaska · 504 days ago · 84 km deep · 61 km away
  48. 2.7125 km SSE of Atka, Alaska · 504 days ago · 10 km deep · 45 km away
  49. 2.771 km ENE of Atka, Alaska · 504 days ago · 9 km deep · 92 km away
  50. 2.7154 km S of Atka, Alaska · 503 days ago · 10 km deep · 84 km away
  51. 2.865 km E of Atka, Alaska · 503 days ago · 116 km deep · 74 km away
  52. 1.982 km SE of Atka, Alaska · 502 days ago · 4 km deep · 19 km away
  53. 1.872 km ESE of Atka, Alaska · 502 days ago · 51 km deep · 40 km away
  54. 2.5105 km S of Atka, Alaska · 502 days ago · 10 km deep · 68 km away
  55. 2.136 km ESE of Atka, Alaska · 501 days ago · 7 km deep · 57 km away
  56. 2.760 km SSE of Atka, Alaska · 501 days ago · 35 km deep · 22 km away
  57. 2.918 km SW of Atka, Alaska · 500 days ago · 6 km deep · 76 km away
  58. 2.489 km SSE of Atka, Alaska · 499 days ago · 16 km deep · 9 km away
  59. 3.074 km E of Atka, Alaska · 499 days ago · 10 km deep · 84 km away
  60. 3.170 km E of Atka, Alaska · 499 days ago · 8 km deep · 76 km away

The first 60 of 103.

Before

  1. 1.929 km SE of Atka, Alaska · 539 days ago · 67 km deep · 53 km away
  2. 1.941 km ESE of Atka, Alaska · 540 days ago · 63 km deep · 54 km away
  3. 1.896 km S of Atka, Alaska · 540 days ago · 2 km deep · 57 km away
  4. 1.912 km WSW of Atka, Alaska · 541 days ago · 8 km deep · 83 km away
  5. 2.013 km WSW of Atka, Alaska · 541 days ago · 5 km deep · 84 km away
  6. 2.354 km ENE of Atka, Alaska · 541 days ago · 88 km deep · 84 km away
  7. 3.059 km ESE of Atka, Alaska · 543 days ago · 65 km deep · 54 km away
  8. 1.980 km SSE of Atka, Alaska · 543 days ago · 26 km deep · 8 km away
  9. 3.165 km ESE of Atka, Alaska · 543 days ago · 34 km deep · 49 km away
  10. 2.081 km S of Atka, Alaska · 543 days ago · 20 km deep · 48 km away
  11. 2.076 km SW of Atka, Alaska · 544 days ago · 39 km deep · 94 km away
  12. 2.9140 km SSE of Atka, Alaska · 545 days ago · 10 km deep · 63 km away
  13. 2.948 km SW of Atka, Alaska · 545 days ago · 48 km deep · 76 km away
  14. 2.065 km SW of Atka, Alaska · 547 days ago · 40 km deep · 94 km away
  15. 3.789 km SE of Atka, Alaska · 548 days ago · 34 km deep · 24 km away
  16. 3.081 km SE of Atka, Alaska · 549 days ago · 35 km deep · 22 km away
  17. 2.821 km E of Atka, Alaska · 549 days ago · 177 km deep · 77 km away
  18. 1.644 km S of Atka, Alaska · 550 days ago · 65 km deep · 56 km away
  19. 1.933 km SSE of Atka, Alaska · 551 days ago · 28 km deep · 49 km away
  20. 1.975 km SSE of Atka, Alaska · 552 days ago · 37 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pvmj (also filed as ak0254n7w73n). Read Fri, Oct 2, 2026, 3:04 PM UTC.