Alaska earthquakes

M3.4 earthquake 77 km ENE of Atka, Alaska

A magnitude 3.4 earthquake struck 77 km ENE of Atka, Alaska on Mon, Jun 30, 2025, 5:51 AM HADT (14:51 UTC), 253 km (157 mi) below the surface.

A larger quake followed: M5.0 57 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
3.4 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-06-30 14:51:51 UTC
Depth
252.8 km (157.1 mi), intermediate-depth
Epicenter
52.568° N, 173.236° 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
3.4ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.091 · 16 stations
3.2ML, 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 32.1 km horizontally, 13.3 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
170°
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 2.162 km ESE of Atka, Alaska · 457 days ago · 47 km deep · 67 km away
  2. 2.8121 km E of Atka, Alaska · 456 days ago · 10 km deep · 56 km away
  3. 2.9109 km E of Atka, Alaska · 456 days ago · 10 km deep · 71 km away
  4. 3.170 km ESE of Atka, Alaska · 456 days ago · 35 km deep · 78 km away
  5. 1.858 km SE of Atka, Alaska · 456 days ago · 13 km deep · 87 km away
  6. 3.344 km ENE of Atka, Alaska · 455 days ago · 10 km deep · 35 km away
  7. 2.164 km SE of Atka, Alaska · 454 days ago · 14 km deep · 89 km away
  8. 1.912 km W of Atka, Alaska · 454 days ago · 7 km deep · 89 km away
  9. 2.29 km NNW of Atka, Alaska · 454 days ago · 166 km deep · 76 km away
  10. 3.662 km ESE of Atka, Alaska · 454 days ago · 55 km deep · 64 km away
  11. 2.8126 km NE of Atka, Alaska · 454 days ago · 193 km deep · 51 km away
  12. 3.495 km NE of Atka, Alaska · 453 days ago · 218 km deep · 19 km away
  13. 2.9121 km E of Atka, Alaska · 453 days ago · 35 km deep · 78 km away
  14. 2.374 km E of Atka, Alaska · 452 days ago · 7 km deep · 31 km away
  15. 2.743 km SSE of Atka, Alaska · 449 days ago · 188 km deep · 92 km away
  16. 2.136 km ESE of Atka, Alaska · 448 days ago · 9 km deep · 69 km away
  17. 3.250 km ESE of Atka, Alaska · 448 days ago · 84 km deep · 57 km away
  18. 2.792 km E of Atka, Alaska · 448 days ago · 78 km deep · 53 km away
  19. 2.028 km N of Atka, Alaska · 447 days ago · 144 km deep · 63 km away
  20. 2.853 km SE of Atka, Alaska · 447 days ago · 9 km deep · 77 km away
  21. 2.055 km SE of Atka, Alaska · 446 days ago · 57 km deep · 94 km away
  22. 2.115 km SW of Atka, Alaska · 446 days ago · 15 km deep · 93 km away
  23. 2.446 km NNW of Atka, Alaska · 446 days ago · 210 km deep · 90 km away
  24. 3.314 km NNW of Atka, Alaska · 445 days ago · 187 km deep · 75 km away
  25. 3.443 km N of Atka, Alaska · 443 days ago · 200 km deep · 69 km away
  26. 3.175 km N of Atka, Alaska · 443 days ago · 193 km deep · 78 km away
  27. 5.057 km E of Atka, Alaska · 443 days ago · 70 km deep · 45 km away · felt by 4 · tsunami flag
  28. 2.265 km SE of Atka, Alaska · 443 days ago · 16 km deep · 89 km away
  29. 2.261 km ESE of Atka, Alaska · 442 days ago · 42 km deep · 69 km away
  30. 2.668 km ESE of Atka, Alaska · 442 days ago · 35 km deep · 72 km away
  31. 3.069 km SE of Atka, Alaska · 441 days ago · 60 km deep · 86 km away
  32. 3.140 km SE of Atka, Alaska · 438 days ago · 64 km deep · 83 km away
  33. 2.328 km NNW of Atka, Alaska · 438 days ago · 122 km deep · 73 km away
  34. 2.066 km SE of Atka, Alaska · 437 days ago · 20 km deep · 81 km away
  35. 3.669 km NE of Atka, Alaska · 437 days ago · 10 km deep · 10 km away
  36. 1.737 km SSE of Atka, Alaska · 437 days ago · 57 km deep · 86 km away
  37. 2.938 km ENE of Atka, Alaska · 435 days ago · 12 km deep · 41 km away
  38. 2.559 km SE of Atka, Alaska · 434 days ago · 10 km deep · 84 km away
  39. 3.115 km WSW of Atka, Alaska · 434 days ago · 8 km deep · 93 km away
  40. 1.712 km W of Atka, Alaska · 434 days ago · 8 km deep · 89 km away
  41. 2.628 km NNE of Atka, Alaska · 433 days ago · 159 km deep · 53 km away
  42. 1.751 km E of Atka, Alaska · 433 days ago · 16 km deep · 50 km away
  43. 3.037 km E of Atka, Alaska · 433 days ago · 12 km deep · 46 km away
  44. 1.731 km ENE of Atka, Alaska · 432 days ago · 3 km deep · 46 km away
  45. 2.048 km NNE of Atka, Alaska · 432 days ago · 130 km deep · 43 km away
  46. 3.089 km SE of Atka, Alaska · 431 days ago · 32 km deep · 92 km away
  47. 2.929 km NW of Atka, Alaska · 431 days ago · 160 km deep · 86 km away
  48. 2.2127 km ENE of Atka, Alaska · 430 days ago · 24 km deep · 59 km away
  49. 2.768 km ESE of Atka, Alaska · 429 days ago · 35 km deep · 68 km away
  50. 2.959 km SSE of Atka, Alaska · 425 days ago · 50 km deep · 99 km away
  51. 3.6118 km ENE of Atka, Alaska · 425 days ago · 112 km deep · 47 km away
  52. 1.615 km W of Atka, Alaska · 424 days ago · 9 km deep · 92 km away
  53. 1.627 km ESE of Atka, Alaska · 423 days ago · 11 km deep · 62 km away
  54. 2.1105 km ESE of Atka, Alaska · 423 days ago · 44 km deep · 75 km away
  55. 2.633 km NNE of Atka, Alaska · 422 days ago · 166 km deep · 54 km away
  56. 2.362 km NNW of Atka, Alaska · 421 days ago · 151 km deep · 86 km away
  57. 2.476 km ESE of Atka, Alaska · 419 days ago · 13 km deep · 58 km away
  58. 3.3139 km E of Atka, Alaska · 419 days ago · 24 km deep · 83 km away
  59. 2.612 km NW of Atka, Alaska · 418 days ago · 164 km deep · 80 km away
  60. 2.978 km ENE of Atka, Alaska · 418 days ago · 22 km deep · 9 km away

The first 60 of 89.

Before

  1. 2.859 km ESE of Atka, Alaska · 460 days ago · 71 km deep · 62 km away
  2. 3.630 km ESE of Atka, Alaska · 460 days ago · 73 km deep · 71 km away
  3. 3.345 km SE of Atka, Alaska · 465 days ago · 65 km deep · 85 km away
  4. 2.985 km ESE of Atka, Alaska · 466 days ago · 35 km deep · 82 km away
  5. 2.065 km SE of Atka, Alaska · 468 days ago · 39 km deep · 82 km away
  6. 2.233 km ENE of Atka, Alaska · 469 days ago · 6 km deep · 46 km away
  7. 2.018 km NNW of Atka, Alaska · 471 days ago · 123 km deep · 73 km away
  8. 2.997 km E of Atka, Alaska · 472 days ago · 70 km deep · 54 km away
  9. 3.851 km N of Atka, Alaska · 473 days ago · 237 km deep · 74 km away
  10. 2.036 km ENE of Atka, Alaska · 475 days ago · 6 km deep · 42 km away
  11. 2.257 km SE of Atka, Alaska · 475 days ago · 56 km deep · 86 km away
  12. 3.034 km SE of Atka, Alaska · 476 days ago · 97 km deep · 72 km away
  13. 2.172 km ESE of Atka, Alaska · 476 days ago · 77 km deep · 67 km away
  14. 2.047 km SSE of Atka, Alaska · 477 days ago · 2 km deep · 95 km away
  15. 3.29 km SSE of Atka, Alaska · 478 days ago · 67 km deep · 81 km away
  16. 3.157 km SE of Atka, Alaska · 480 days ago · 75 km deep · 86 km away
  17. 1.643 km SE of Atka, Alaska · 480 days ago · 20 km deep · 81 km away
  18. 3.561 km ENE of Atka, Alaska · 481 days ago · 10 km deep · 29 km away
  19. 3.665 km ENE of Atka, Alaska · 481 days ago · 10 km deep · 18 km away
  20. 2.1111 km ESE of Atka, Alaska · 483 days ago · 13 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000qbee (also filed as ak0258bkwxe0). Read Fri, Oct 2, 2026, 6:33 AM UTC.