Alaska earthquakes

M2.9 earthquake 51 km NNE of Atka, Alaska

A magnitude 2.9 earthquake struck 51 km NNE of Atka, Alaska on Fri, Feb 28, 2025, 6:28 PM HAST (04:28 UTC), 176 km (109 mi) below the surface.

A larger quake followed: M4.9 22 km NNW 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-03-01 04:28:10 UTC
Depth
175.6 km (109.1 mi), intermediate-depth
Epicenter
52.648° N, 174.051° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.091 · 16 stations
2.7ML, 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 14.9 km horizontally, 7.9 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
176°
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 75 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 2.036 km ESE of Atka, Alaska · 578 days ago · 7 km deep · 72 km away
  2. 2.115 km SW of Atka, Alaska · 578 days ago · 77 km deep · 64 km away
  3. 1.831 km SE of Atka, Alaska · 578 days ago · 4 km deep · 74 km away
  4. 1.839 km WSW of Atka, Alaska · 578 days ago · 13 km deep · 79 km away
  5. 3.776 km NE of Atka, Alaska · 578 days ago · 76 km deep · 38 km away
  6. 2.136 km ESE of Atka, Alaska · 577 days ago · 5 km deep · 70 km away
  7. 2.437 km SSE of Atka, Alaska · 576 days ago · 60 km deep · 87 km away
  8. 3.254 km NNW of Atka, Alaska · 576 days ago · 186 km deep · 30 km away
  9. 2.245 km E of Atka, Alaska · 576 days ago · 28 km deep · 60 km away
  10. 2.153 km SW of Atka, Alaska · 576 days ago · 48 km deep · 100 km away
  11. 3.145 km NNE of Atka, Alaska · 574 days ago · 147 km deep · 6 km away
  12. 3.561 km E of Atka, Alaska · 574 days ago · 78 km deep · 73 km away
  13. 2.926 km WSW of Atka, Alaska · 571 days ago · 10 km deep · 68 km away
  14. 3.354 km NNE of Atka, Alaska · 569 days ago · 184 km deep · 17 km away
  15. 2.929 km SSE of Atka, Alaska · 568 days ago · 74 km deep · 79 km away
  16. 2.841 km NNW of Atka, Alaska · 568 days ago · 171 km deep · 27 km away
  17. 2.962 km ESE of Atka, Alaska · 566 days ago · 60 km deep · 88 km away
  18. 2.951 km SE of Atka, Alaska · 566 days ago · 74 km deep · 91 km away
  19. 1.838 km SW of Atka, Alaska · 566 days ago · 61 km deep · 86 km away
  20. 2.749 km W of Atka, Alaska · 564 days ago · 190 km deep · 75 km away
  21. 3.422 km SE of Atka, Alaska · 563 days ago · 64 km deep · 67 km away
  22. 3.144 km SSE of Atka, Alaska · 562 days ago · 94 km deep · 93 km away
  23. 3.379 km ENE of Atka, Alaska · 561 days ago · 219 km deep · 59 km away
  24. 2.453 km SE of Atka, Alaska · 559 days ago · 59 km deep · 92 km away
  25. 3.182 km ESE of Atka, Alaska · 557 days ago · 10 km deep · 97 km away
  26. 1.954 km E of Atka, Alaska · 557 days ago · 27 km deep · 65 km away
  27. 1.916 km SSW of Atka, Alaska · 557 days ago · 19 km deep · 68 km away
  28. 1.822 km SSE of Atka, Alaska · 556 days ago · 15 km deep · 70 km away
  29. 2.748 km WSW of Atka, Alaska · 555 days ago · 10 km deep · 87 km away
  30. 1.826 km S of Atka, Alaska · 554 days ago · 64 km deep · 78 km away
  31. 3.135 km NNW of Atka, Alaska · 553 days ago · 179 km deep · 29 km away
  32. 4.922 km NNW of Atka, Alaska · 552 days ago · 123 km deep · 36 km away
  33. 2.916 km ENE of Atka, Alaska · 552 days ago · 140 km deep · 44 km away
  34. 1.933 km SSE of Atka, Alaska · 551 days ago · 28 km deep · 81 km away
  35. 1.644 km S of Atka, Alaska · 549 days ago · 65 km deep · 96 km away
  36. 3.0114 km ENE of Atka, Alaska · 549 days ago · 200 km deep · 97 km away
  37. 2.739 km NNW of Atka, Alaska · 549 days ago · 182 km deep · 36 km away
  38. 2.821 km E of Atka, Alaska · 549 days ago · 177 km deep · 48 km away
  39. 2.948 km SW of Atka, Alaska · 545 days ago · 48 km deep · 98 km away
  40. 1.942 km W of Atka, Alaska · 543 days ago · 82 km deep · 76 km away
  41. 3.165 km ESE of Atka, Alaska · 542 days ago · 34 km deep · 91 km away
  42. 3.059 km ESE of Atka, Alaska · 542 days ago · 65 km deep · 84 km away
  43. 2.735 km NW of Atka, Alaska · 541 days ago · 131 km deep · 39 km away
  44. 2.354 km ENE of Atka, Alaska · 541 days ago · 88 km deep · 57 km away
  45. 2.013 km WSW of Atka, Alaska · 540 days ago · 5 km deep · 60 km away
  46. 1.912 km WSW of Atka, Alaska · 540 days ago · 8 km deep · 60 km away
  47. 2.229 km WNW of Atka, Alaska · 539 days ago · 170 km deep · 55 km away
  48. 1.941 km ESE of Atka, Alaska · 539 days ago · 63 km deep · 73 km away
  49. 1.929 km SE of Atka, Alaska · 539 days ago · 67 km deep · 74 km away
  50. 2.875 km WNW of Atka, Alaska · 538 days ago · 159 km deep · 86 km away
  51. 3.219 km ENE of Atka, Alaska · 537 days ago · 121 km deep · 41 km away
  52. 1.839 km N of Atka, Alaska · 536 days ago · 17 km deep · 12 km away
  53. 2.811 km NNW of Atka, Alaska · 536 days ago · 192 km deep · 42 km away
  54. 3.2110 km ENE of Atka, Alaska · 535 days ago · 162 km deep · 93 km away
  55. 3.168 km N of Atka, Alaska · 534 days ago · 164 km deep · 18 km away
  56. 2.815 km SW of Atka, Alaska · 534 days ago · 10 km deep · 66 km away
  57. 2.113 km WSW of Atka, Alaska · 534 days ago · 10 km deep · 59 km away
  58. 3.915 km WNW of Atka, Alaska · 533 days ago · 225 km deep · 49 km away
  59. 3.453 km E of Atka, Alaska · 532 days ago · 59 km deep · 63 km away
  60. 1.845 km SW of Atka, Alaska · 532 days ago · 57 km deep · 90 km away

The first 60 of 75.

Before

  1. 1.639 km SSW of Atka, Alaska · 580 days ago · 24 km deep · 91 km away
  2. 2.949 km NW of Atka, Alaska · 580 days ago · 201 km deep · 45 km away
  3. 1.923 km N of Atka, Alaska · 581 days ago · 110 km deep · 29 km away
  4. 2.841 km NNW of Atka, Alaska · 581 days ago · 159 km deep · 33 km away
  5. 2.146 km NW of Atka, Alaska · 581 days ago · 156 km deep · 45 km away
  6. 3.128 km NE of Atka, Alaska · 581 days ago · 180 km deep · 33 km away
  7. 2.252 km ENE of Atka, Alaska · 581 days ago · 97 km deep · 52 km away
  8. 1.97 km NE of Atka, Alaska · 582 days ago · 129 km deep · 45 km away
  9. 1.631 km SE of Atka, Alaska · 582 days ago · 12 km deep · 74 km away
  10. 1.862 km SE of Atka, Alaska · 582 days ago · 21 km deep · 96 km away
  11. 1.648 km SSW of Atka, Alaska · 584 days ago · 47 km deep · 99 km away
  12. 2.827 km NNW of Atka, Alaska · 584 days ago · 166 km deep · 30 km away
  13. 3.030 km N of Atka, Alaska · 585 days ago · 188 km deep · 22 km away
  14. 3.233 km NNE of Atka, Alaska · 588 days ago · 10 km deep · 18 km away
  15. 2.892 km NNE of Atka, Alaska · 588 days ago · 10 km deep · 43 km away
  16. 3.070 km NNW of Atka, Alaska · 589 days ago · 217 km deep · 49 km away
  17. 3.395 km E of Atka, Alaska · 593 days ago · 7 km deep · 89 km away
  18. 2.272 km W of Atka, Alaska · 595 days ago · 114 km deep · 97 km away
  19. 2.035 km SSE of Atka, Alaska · 595 days ago · 60 km deep · 81 km away
  20. 1.848 km WSW of Atka, Alaska · 595 days ago · 68 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pp3d (also filed as ak0252rasmlg). Read Fri, Oct 2, 2026, 1:36 AM UTC.