Alaska earthquakes

M3.1 earthquake 68 km N of Atka, Alaska

A magnitude 3.1 earthquake struck 68 km N of Atka, Alaska on Tue, Apr 15, 2025, 10:56 PM HADT (07:56 UTC), 164 km (102 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
3.1 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-04-16 07:56:03 UTC
Depth
163.7 km (101.7 mi), intermediate-depth
Epicenter
52.806° N, 174.033° 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
3.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
3.0ML, 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 32.1 km horizontally, 33.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
295°, poorly surrounded by stations
Stations used
14

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 2.815 km SW of Atka, Alaska · 534 days ago · 10 km deep · 83 km away
  2. 2.113 km WSW of Atka, Alaska · 534 days ago · 10 km deep · 75 km away
  3. 3.915 km WNW of Atka, Alaska · 533 days ago · 225 km deep · 65 km away
  4. 3.453 km E of Atka, Alaska · 532 days ago · 59 km deep · 76 km away
  5. 2.826 km S of Atka, Alaska · 531 days ago · 10 km deep · 95 km away
  6. 1.720 km WSW of Atka, Alaska · 530 days ago · 21 km deep · 83 km away
  7. 3.029 km WNW of Atka, Alaska · 528 days ago · 147 km deep · 63 km away
  8. 2.040 km E of Atka, Alaska · 528 days ago · 5 km deep · 78 km away
  9. 3.14 km W of Atka, Alaska · 527 days ago · 205 km deep · 70 km away
  10. 3.058 km NW of Atka, Alaska · 526 days ago · 184 km deep · 50 km away
  11. 1.837 km WSW of Atka, Alaska · 526 days ago · 36 km deep · 91 km away
  12. 4.269 km NNW of Atka, Alaska · 525 days ago · 206 km deep · 43 km away
  13. 1.750 km W of Atka, Alaska · 523 days ago · 18 km deep · 96 km away
  14. 3.969 km N of Atka, Alaska · 523 days ago · 195 km deep · 24 km away
  15. 1.730 km WNW of Atka, Alaska · 519 days ago · 14 km deep · 73 km away
  16. 4.0107 km NE of Atka, Alaska · 517 days ago · 198 km deep · 66 km away
  17. 3.086 km ENE of Atka, Alaska · 513 days ago · 142 km deep · 79 km away
  18. 3.038 km NNE of Atka, Alaska · 509 days ago · 146 km deep · 36 km away
  19. 1.848 km W of Atka, Alaska · 509 days ago · 78 km deep · 92 km away
  20. 1.731 km SE of Atka, Alaska · 509 days ago · 6 km deep · 87 km away
  21. 2.344 km SE of Atka, Alaska · 506 days ago · 24 km deep · 98 km away
  22. 1.724 km WSW of Atka, Alaska · 505 days ago · 25 km deep · 86 km away
  23. 3.139 km SE of Atka, Alaska · 505 days ago · 14 km deep · 95 km away
  24. 3.026 km E of Atka, Alaska · 505 days ago · 85 km deep · 73 km away
  25. 2.771 km ENE of Atka, Alaska · 503 days ago · 9 km deep · 77 km away
  26. 2.531 km NNE of Atka, Alaska · 502 days ago · 168 km deep · 39 km away
  27. 2.865 km E of Atka, Alaska · 502 days ago · 116 km deep · 87 km away
  28. 2.136 km ESE of Atka, Alaska · 501 days ago · 7 km deep · 85 km away
  29. 2.923 km NW of Atka, Alaska · 500 days ago · 206 km deep · 57 km away
  30. 2.918 km SW of Atka, Alaska · 499 days ago · 6 km deep · 86 km away
  31. 3.074 km E of Atka, Alaska · 499 days ago · 10 km deep · 89 km away
  32. 3.170 km E of Atka, Alaska · 499 days ago · 8 km deep · 91 km away
  33. 3.163 km E of Atka, Alaska · 498 days ago · 104 km deep · 88 km away
  34. 3.018 km WNW of Atka, Alaska · 495 days ago · 194 km deep · 64 km away
  35. 1.722 km SSW of Atka, Alaska · 495 days ago · 10 km deep · 91 km away
  36. 3.130 km N of Atka, Alaska · 493 days ago · 142 km deep · 41 km away
  37. 1.952 km ESE of Atka, Alaska · 492 days ago · 55 km deep · 97 km away
  38. 3.231 km WNW of Atka, Alaska · 491 days ago · 213 km deep · 73 km away
  39. 2.948 km ENE of Atka, Alaska · 491 days ago · 129 km deep · 51 km away
  40. 2.949 km ENE of Atka, Alaska · 490 days ago · 10 km deep · 61 km away
  41. 4.846 km E of Atka, Alaska · 490 days ago · 10 km deep · 68 km away · felt by 1
  42. 3.638 km ESE of Atka, Alaska · 490 days ago · 10 km deep · 81 km away
  43. 3.135 km ENE of Atka, Alaska · 490 days ago · 10 km deep · 59 km away
  44. 3.144 km E of Atka, Alaska · 490 days ago · 10 km deep · 69 km away
  45. 2.545 km ENE of Atka, Alaska · 490 days ago · 10 km deep · 66 km away
  46. 3.639 km E of Atka, Alaska · 490 days ago · 10 km deep · 71 km away
  47. 3.437 km E of Atka, Alaska · 490 days ago · 10 km deep · 73 km away
  48. 2.848 km ENE of Atka, Alaska · 490 days ago · 10 km deep · 67 km away
  49. 3.241 km ENE of Atka, Alaska · 490 days ago · 10 km deep · 66 km away
  50. 1.636 km ENE of Atka, Alaska · 490 days ago · 5 km deep · 58 km away
  51. 3.053 km ENE of Atka, Alaska · 490 days ago · 11 km deep · 67 km away
  52. 3.343 km ENE of Atka, Alaska · 490 days ago · 13 km deep · 60 km away
  53. 3.141 km ENE of Atka, Alaska · 490 days ago · 10 km deep · 54 km away
  54. 3.342 km ENE of Atka, Alaska · 489 days ago · 10 km deep · 59 km away
  55. 2.135 km ENE of Atka, Alaska · 489 days ago · 4 km deep · 59 km away
  56. 3.038 km ESE of Atka, Alaska · 488 days ago · 86 km deep · 87 km away
  57. 1.934 km ENE of Atka, Alaska · 487 days ago · 29 km deep · 58 km away
  58. 2.042 km WNW of Atka, Alaska · 484 days ago · 173 km deep · 67 km away
  59. 2.759 km N of Atka, Alaska · 483 days ago · 152 km deep · 23 km away
  60. 1.637 km ENE of Atka, Alaska · 483 days ago · 7 km deep · 65 km away

The first 60 of 66.

Before

  1. 3.2110 km ENE of Atka, Alaska · 535 days ago · 162 km deep · 95 km away
  2. 2.811 km NNW of Atka, Alaska · 536 days ago · 192 km deep · 59 km away
  3. 1.839 km N of Atka, Alaska · 536 days ago · 17 km deep · 29 km away
  4. 3.219 km ENE of Atka, Alaska · 537 days ago · 121 km deep · 58 km away
  5. 2.875 km WNW of Atka, Alaska · 538 days ago · 159 km deep · 94 km away
  6. 1.929 km SE of Atka, Alaska · 539 days ago · 67 km deep · 92 km away
  7. 1.941 km ESE of Atka, Alaska · 539 days ago · 63 km deep · 89 km away
  8. 2.229 km WNW of Atka, Alaska · 539 days ago · 170 km deep · 69 km away
  9. 1.912 km WSW of Atka, Alaska · 540 days ago · 8 km deep · 77 km away
  10. 2.013 km WSW of Atka, Alaska · 540 days ago · 5 km deep · 77 km away
  11. 2.354 km ENE of Atka, Alaska · 541 days ago · 88 km deep · 69 km away
  12. 2.735 km NW of Atka, Alaska · 541 days ago · 131 km deep · 51 km away
  13. 3.059 km ESE of Atka, Alaska · 542 days ago · 65 km deep · 98 km away
  14. 1.942 km W of Atka, Alaska · 543 days ago · 82 km deep · 90 km away
  15. 2.821 km E of Atka, Alaska · 549 days ago · 177 km deep · 65 km away
  16. 2.739 km NNW of Atka, Alaska · 549 days ago · 182 km deep · 48 km away
  17. 3.0114 km ENE of Atka, Alaska · 549 days ago · 200 km deep · 100 km away
  18. 1.933 km SSE of Atka, Alaska · 551 days ago · 28 km deep · 98 km away
  19. 2.916 km ENE of Atka, Alaska · 552 days ago · 140 km deep · 62 km away
  20. 4.922 km NNW of Atka, Alaska · 552 days ago · 123 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000q6lu (also filed as ak0254vfgtz1). Read Fri, Oct 2, 2026, 2:44 AM UTC.