Alaska earthquakes

M3.0 earthquake 287 km W of Adak, Alaska

A magnitude 3.0 earthquake struck 287 km W of Adak, Alaska on Wed, Feb 19, 2025, 9:11 AM GMT+12 (21:11 UTC), 64 km (40 mi) below the surface.

A larger quake followed: M4.9 Rat Islands, Aleutian Islands, 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-02-18 21:11:54 UTC
Depth
63.7 km (39.6 mi), shallow
Epicenter
51.472° N, 179.262° E
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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
2.8ML, 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 11.0 km horizontally, 33.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
150°
Stations used
20

Nearby

Within 100 km, magnitude 1.5 and up: 156 in the 60 days after this one and 52 in the 30 days before it.

After

  1. 2.8253 km WSW of Adak, Alaska · 590 days ago · 10 km deep · 87 km away
  2. 2.8278 km WSW of Adak, Alaska · 589 days ago · 21 km deep · 44 km away
  3. 2.8224 km W of Adak, Alaska · 589 days ago · 141 km deep · 83 km away
  4. 3.1Rat Islands, Aleutian Islands, Alaska · 589 days ago · 42 km deep · 36 km away
  5. 3.0223 km W of Adak, Alaska · 589 days ago · 174 km deep · 73 km away
  6. 4.9Rat Islands, Aleutian Islands, Alaska · 588 days ago · 52 km deep · 78 km away · felt by 1
  7. 2.4Rat Islands, Aleutian Islands, Alaska · 587 days ago · 10 km deep · 72 km away
  8. 2.4265 km W of Adak, Alaska · 587 days ago · 120 km deep · 76 km away
  9. 2.6Rat Islands, Aleutian Islands, Alaska · 587 days ago · 56 km deep · 79 km away
  10. 2.7Rat Islands, Aleutian Islands, Alaska · 587 days ago · 10 km deep · 87 km away
  11. 3.0Rat Islands, Aleutian Islands, Alaska · 585 days ago · 122 km deep · 92 km away
  12. 2.6261 km WSW of Adak, Alaska · 585 days ago · 29 km deep · 47 km away
  13. 2.7218 km W of Adak, Alaska · 585 days ago · 184 km deep · 99 km away
  14. 2.2217 km WSW of Adak, Alaska · 585 days ago · 62 km deep · 70 km away
  15. 2.1249 km WSW of Adak, Alaska · 584 days ago · 15 km deep · 77 km away
  16. 3.5281 km W of Adak, Alaska · 584 days ago · 64 km deep · 5 km away
  17. 1.9Rat Islands, Aleutian Islands, Alaska · 582 days ago · 13 km deep · 53 km away
  18. 1.8Rat Islands, Aleutian Islands, Alaska · 582 days ago · 34 km deep · 31 km away
  19. 2.0241 km WSW of Adak, Alaska · 582 days ago · 6 km deep · 76 km away
  20. 2.9Rat Islands, Aleutian Islands, Alaska · 581 days ago · 42 km deep · 36 km away
  21. 4.1Rat Islands, Aleutian Islands, Alaska · 581 days ago · 93 km deep · 53 km away
  22. 2.1240 km WSW of Adak, Alaska · 581 days ago · 13 km deep · 82 km away
  23. 2.2274 km WSW of Adak, Alaska · 581 days ago · 20 km deep · 42 km away
  24. 2.1262 km W of Adak, Alaska · 581 days ago · 73 km deep · 27 km away
  25. 2.7Rat Islands, Aleutian Islands, Alaska · 580 days ago · 128 km deep · 74 km away
  26. 3.3Rat Islands, Aleutian Islands, Alaska · 579 days ago · 119 km deep · 77 km away
  27. 2.1283 km W of Adak, Alaska · 579 days ago · 65 km deep · 14 km away
  28. 3.8Rat Islands, Aleutian Islands, Alaska · 579 days ago · 71 km deep · 55 km away
  29. 2.5236 km W of Adak, Alaska · 579 days ago · 102 km deep · 59 km away
  30. 2.8268 km W of Adak, Alaska · 579 days ago · 158 km deep · 67 km away
  31. 2.3284 km W of Adak, Alaska · 578 days ago · 84 km deep · 29 km away
  32. 2.6Rat Islands, Aleutian Islands, Alaska · 578 days ago · 115 km deep · 81 km away
  33. 2.6Rat Islands, Aleutian Islands, Alaska · 578 days ago · 87 km deep · 29 km away
  34. 2.5248 km WSW of Adak, Alaska · 577 days ago · 20 km deep · 85 km away
  35. 2.9259 km WSW of Adak, Alaska · 574 days ago · 25 km deep · 45 km away
  36. 2.1257 km WSW of Adak, Alaska · 574 days ago · 21 km deep · 34 km away
  37. 3.4220 km WSW of Adak, Alaska · 574 days ago · 65 km deep · 70 km away
  38. 3.5Rat Islands, Aleutian Islands, Alaska · 574 days ago · 118 km deep · 91 km away
  39. 3.3Rat Islands, Aleutian Islands, Alaska · 574 days ago · 35 km deep · 51 km away
  40. 2.8212 km W of Adak, Alaska · 573 days ago · 97 km deep · 77 km away
  41. 1.5Rat Islands, Aleutian Islands, Alaska · 573 days ago · 6 km deep · 75 km away
  42. 2.8Rat Islands, Aleutian Islands, Alaska · 573 days ago · 71 km deep · 44 km away
  43. 3.3Rat Islands, Aleutian Islands, Alaska · 573 days ago · 54 km deep · 26 km away
  44. 3.9256 km WSW of Adak, Alaska · 572 days ago · 64 km deep · 32 km away
  45. 3.0229 km W of Adak, Alaska · 571 days ago · 19 km deep · 61 km away
  46. 3.1224 km W of Adak, Alaska · 571 days ago · 102 km deep · 64 km away
  47. 2.6207 km WSW of Adak, Alaska · 568 days ago · 72 km deep · 80 km away
  48. 3.1274 km WSW of Adak, Alaska · 566 days ago · 66 km deep · 23 km away
  49. 2.0280 km WSW of Adak, Alaska · 566 days ago · 33 km deep · 29 km away
  50. 2.3Rat Islands, Aleutian Islands, Alaska · 566 days ago · 73 km deep · 42 km away
  51. 2.2255 km W of Adak, Alaska · 566 days ago · 68 km deep · 33 km away
  52. 2.7243 km WSW of Adak, Alaska · 565 days ago · 35 km deep · 83 km away
  53. 2.6255 km W of Adak, Alaska · 565 days ago · 20 km deep · 32 km away
  54. 4.4Rat Islands, Aleutian Islands, Alaska · 564 days ago · 109 km deep · 78 km away
  55. 2.5262 km WSW of Adak, Alaska · 564 days ago · 35 km deep · 47 km away
  56. 2.3232 km WSW of Adak, Alaska · 564 days ago · 58 km deep · 56 km away
  57. 3.3Rat Islands, Aleutian Islands, Alaska · 563 days ago · 115 km deep · 81 km away
  58. 2.3259 km W of Adak, Alaska · 563 days ago · 81 km deep · 34 km away
  59. 3.1Rat Islands, Aleutian Islands, Alaska · 561 days ago · 100 km deep · 74 km away
  60. 3.2Rat Islands, Aleutian Islands, Alaska · 561 days ago · 39 km deep · 99 km away

The first 60 of 156.

Before

  1. 2.4206 km WSW of Adak, Alaska · 591 days ago · 60 km deep · 81 km away
  2. 2.7Rat Islands, Aleutian Islands, Alaska · 591 days ago · 35 km deep · 85 km away
  3. 2.4Rat Islands, Aleutian Islands, Alaska · 592 days ago · 115 km deep · 85 km away
  4. 2.1Rat Islands, Aleutian Islands, Alaska · 592 days ago · 6 km deep · 34 km away
  5. 2.4220 km W of Adak, Alaska · 592 days ago · 95 km deep · 70 km away
  6. 3.2Rat Islands, Aleutian Islands, Alaska · 593 days ago · 112 km deep · 70 km away
  7. 3.3Rat Islands, Aleutian Islands, Alaska · 593 days ago · 27 km deep · 43 km away
  8. 2.6227 km W of Adak, Alaska · 593 days ago · 10 km deep · 66 km away
  9. 3.0259 km W of Adak, Alaska · 594 days ago · 184 km deep · 76 km away
  10. 1.8269 km WSW of Adak, Alaska · 595 days ago · 13 km deep · 42 km away
  11. 1.8Rat Islands, Aleutian Islands, Alaska · 595 days ago · 13 km deep · 33 km away
  12. 1.9194 km WSW of Adak, Alaska · 595 days ago · 52 km deep · 94 km away
  13. 3.6233 km WSW of Adak, Alaska · 595 days ago · 19 km deep · 63 km away
  14. 2.0Rat Islands, Aleutian Islands, Alaska · 596 days ago · 7 km deep · 47 km away
  15. 2.9Rat Islands, Aleutian Islands, Alaska · 597 days ago · 67 km deep · 23 km away
  16. 3.0Rat Islands, Aleutian Islands, Alaska · 599 days ago · 111 km deep · 74 km away
  17. 3.3Rat Islands, Aleutian Islands, Alaska · 602 days ago · 35 km deep · 78 km away
  18. 3.0Rat Islands, Aleutian Islands, Alaska · 603 days ago · 51 km deep · 31 km away
  19. 2.6Rat Islands, Aleutian Islands, Alaska · 604 days ago · 104 km deep · 64 km away
  20. 1.9283 km WSW of Adak, Alaska · 604 days ago · 31 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000pz74 (also filed as ak02529dwkzj). Read Fri, Oct 2, 2026, 1:02 AM UTC.