Alaska earthquakes

M2.9 earthquake 49 km NW of Atka, Alaska

A magnitude 2.9 earthquake struck 49 km NW of Atka, Alaska on Fri, Feb 28, 2025, 12:23 PM HAST (22:23 UTC), 201 km (125 mi) below the surface.

A larger quake followed: M4.9 22 km NNW of Atka, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-02-28 22:23:52 UTC
Depth
201.3 km (125.1 mi), intermediate-depth
Epicenter
52.521° N, 174.687° 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 · ±0.097 · 14 stations
2.6ML, 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 18.7 km horizontally, 9.8 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
177°
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 39 in the 30 days before it.

After

  1. 1.639 km SSW of Atka, Alaska · 581 days ago · 24 km deep · 74 km away
  2. 2.951 km NNE of Atka, Alaska · 581 days ago · 176 km deep · 45 km away
  3. 2.036 km ESE of Atka, Alaska · 579 days ago · 7 km deep · 85 km away
  4. 2.115 km SW of Atka, Alaska · 579 days ago · 77 km deep · 50 km away
  5. 1.831 km SE of Atka, Alaska · 579 days ago · 4 km deep · 80 km away
  6. 1.839 km WSW of Atka, Alaska · 579 days ago · 13 km deep · 50 km away
  7. 2.168 km SW of Atka, Alaska · 579 days ago · 40 km deep · 81 km away
  8. 3.776 km NE of Atka, Alaska · 579 days ago · 76 km deep · 83 km away
  9. 2.136 km ESE of Atka, Alaska · 579 days ago · 5 km deep · 84 km away
  10. 3.077 km ENE of Adak, Alaska · 578 days ago · 89 km deep · 75 km away
  11. 2.163 km SW of Atka, Alaska · 577 days ago · 51 km deep · 81 km away
  12. 2.437 km SSE of Atka, Alaska · 577 days ago · 60 km deep · 84 km away
  13. 3.254 km NNW of Atka, Alaska · 577 days ago · 186 km deep · 20 km away
  14. 2.160 km S of Atka, Alaska · 577 days ago · 8 km deep · 98 km away
  15. 2.245 km E of Atka, Alaska · 577 days ago · 28 km deep · 86 km away
  16. 2.153 km SW of Atka, Alaska · 577 days ago · 48 km deep · 74 km away
  17. 3.145 km NNE of Atka, Alaska · 575 days ago · 147 km deep · 44 km away
  18. 2.926 km WSW of Atka, Alaska · 573 days ago · 10 km deep · 44 km away
  19. 3.354 km NNE of Atka, Alaska · 570 days ago · 184 km deep · 61 km away
  20. 2.929 km SSE of Atka, Alaska · 569 days ago · 74 km deep · 77 km away
  21. 2.841 km NNW of Atka, Alaska · 569 days ago · 171 km deep · 19 km away
  22. 1.838 km SW of Atka, Alaska · 567 days ago · 61 km deep · 63 km away
  23. 2.261 km SW of Atka, Alaska · 565 days ago · 40 km deep · 85 km away
  24. 2.749 km W of Atka, Alaska · 565 days ago · 190 km deep · 36 km away
  25. 3.422 km SE of Atka, Alaska · 564 days ago · 64 km deep · 71 km away
  26. 3.144 km SSE of Atka, Alaska · 563 days ago · 94 km deep · 92 km away
  27. 3.588 km SW of Atka, Alaska · 560 days ago · 35 km deep · 99 km away
  28. 2.758 km SW of Atka, Alaska · 560 days ago · 65 km deep · 79 km away
  29. 2.062 km E of Adak, Alaska · 559 days ago · 79 km deep · 97 km away
  30. 2.178 km E of Adak, Alaska · 558 days ago · 59 km deep · 94 km away
  31. 1.954 km E of Atka, Alaska · 558 days ago · 27 km deep · 93 km away
  32. 1.916 km SSW of Atka, Alaska · 558 days ago · 19 km deep · 59 km away
  33. 2.767 km NE of Adak, Alaska · 557 days ago · 185 km deep · 85 km away
  34. 1.822 km SSE of Atka, Alaska · 557 days ago · 15 km deep · 70 km away
  35. 2.976 km ENE of Adak, Alaska · 556 days ago · 217 km deep · 75 km away
  36. 2.748 km WSW of Atka, Alaska · 556 days ago · 10 km deep · 55 km away
  37. 2.281 km WSW of Atka, Alaska · 555 days ago · 86 km deep · 74 km away
  38. 1.826 km S of Atka, Alaska · 555 days ago · 64 km deep · 70 km away
  39. 3.135 km NNW of Atka, Alaska · 554 days ago · 179 km deep · 20 km away
  40. 4.922 km NNW of Atka, Alaska · 554 days ago · 123 km deep · 28 km away
  41. 2.916 km ENE of Atka, Alaska · 553 days ago · 140 km deep · 57 km away
  42. 1.873 km E of Adak, Alaska · 552 days ago · 27 km deep · 94 km away
  43. 1.933 km SSE of Atka, Alaska · 552 days ago · 28 km deep · 81 km away
  44. 2.286 km E of Adak, Alaska · 552 days ago · 65 km deep · 94 km away
  45. 1.644 km S of Atka, Alaska · 550 days ago · 65 km deep · 83 km away
  46. 2.739 km NNW of Atka, Alaska · 550 days ago · 182 km deep · 12 km away
  47. 2.821 km E of Atka, Alaska · 550 days ago · 177 km deep · 63 km away
  48. 3.275 km W of Atka, Alaska · 549 days ago · 109 km deep · 59 km away
  49. 2.973 km E of Adak, Alaska · 548 days ago · 43 km deep · 90 km away
  50. 2.065 km SW of Atka, Alaska · 547 days ago · 40 km deep · 81 km away
  51. 3.281 km E of Adak, Alaska · 546 days ago · 78 km deep · 78 km away
  52. 2.948 km SW of Atka, Alaska · 546 days ago · 48 km deep · 76 km away
  53. 2.076 km SW of Atka, Alaska · 545 days ago · 39 km deep · 94 km away
  54. 1.942 km W of Atka, Alaska · 545 days ago · 82 km deep · 42 km away
  55. 2.172 km WSW of Atka, Alaska · 544 days ago · 73 km deep · 69 km away
  56. 2.179 km WSW of Atka, Alaska · 544 days ago · 47 km deep · 85 km away
  57. 2.735 km NW of Atka, Alaska · 543 days ago · 131 km deep · 14 km away
  58. 2.354 km ENE of Atka, Alaska · 542 days ago · 88 km deep · 89 km away
  59. 2.013 km WSW of Atka, Alaska · 541 days ago · 5 km deep · 47 km away
  60. 1.912 km WSW of Atka, Alaska · 541 days ago · 8 km deep · 47 km away

The first 60 of 97.

Before

  1. 1.778 km E of Adak, Alaska · 582 days ago · 74 km deep · 81 km away
  2. 1.923 km N of Atka, Alaska · 582 days ago · 110 km deep · 35 km away
  3. 1.855 km SSW of Atka, Alaska · 582 days ago · 24 km deep · 83 km away
  4. 2.841 km NNW of Atka, Alaska · 582 days ago · 159 km deep · 13 km away
  5. 2.146 km NW of Atka, Alaska · 582 days ago · 156 km deep · 2 km away
  6. 3.128 km NE of Atka, Alaska · 582 days ago · 180 km deep · 56 km away
  7. 2.271 km NE of Adak, Alaska · 582 days ago · 186 km deep · 85 km away
  8. 2.252 km ENE of Atka, Alaska · 583 days ago · 97 km deep · 84 km away
  9. 1.875 km SW of Atka, Alaska · 583 days ago · 35 km deep · 92 km away
  10. 1.97 km NE of Atka, Alaska · 583 days ago · 129 km deep · 48 km away
  11. 2.164 km NE of Adak, Alaska · 583 days ago · 159 km deep · 97 km away
  12. 1.631 km SE of Atka, Alaska · 583 days ago · 12 km deep · 80 km away
  13. 1.784 km WSW of Atka, Alaska · 583 days ago · 97 km deep · 73 km away
  14. 1.683 km SW of Atka, Alaska · 583 days ago · 25 km deep · 97 km away
  15. 1.675 km SW of Atka, Alaska · 584 days ago · 20 km deep · 99 km away
  16. 2.553 km SSW of Atka, Alaska · 584 days ago · 35 km deep · 83 km away
  17. 1.648 km SSW of Atka, Alaska · 585 days ago · 47 km deep · 83 km away
  18. 1.582 km ENE of Adak, Alaska · 585 days ago · 9 km deep · 72 km away
  19. 2.827 km NNW of Atka, Alaska · 585 days ago · 166 km deep · 26 km away
  20. 1.993 km NE of Adak, Alaska · 586 days ago · 61 km deep · 60 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pnpc (also filed as ak0252pxy1yg). Read Sat, Oct 3, 2026, 4:26 AM UTC.