Alaska earthquakes

M3.1 earthquake 274 km W of Adak, Alaska

A magnitude 3.1 earthquake struck 274 km W of Adak, Alaska on Sat, May 10, 2025, 7:16 AM GMT+12 (19:16 UTC), 142 km (88 mi) below the surface.

A larger quake followed: M4.3 209 km WSW of Adak, 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
2025-05-09 19:16:30 UTC
Depth
141.6 km (88.0 mi), intermediate-depth
Epicenter
51.902° N, 179.379° 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
3.1ML, 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 13.7 km horizontally, 6.0 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
133°
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 130 in the 60 days after this one and 60 in the 30 days before it.

After

  1. 2.7194 km W of Adak, Alaska · 510 days ago · 113 km deep · 82 km away
  2. 1.9Rat Islands, Aleutian Islands, Alaska · 509 days ago · 2 km deep · 64 km away
  3. 2.2Rat Islands, Aleutian Islands, Alaska · 509 days ago · 3 km deep · 64 km away
  4. 1.5Rat Islands, Aleutian Islands, Alaska · 509 days ago · 2 km deep · 64 km away
  5. 3.0249 km WSW of Adak, Alaska · 509 days ago · 28 km deep · 81 km away
  6. 2.6201 km W of Adak, Alaska · 509 days ago · 105 km deep · 74 km away
  7. 2.1Rat Islands, Aleutian Islands, Alaska · 508 days ago · 67 km deep · 57 km away
  8. 3.0212 km W of Adak, Alaska · 506 days ago · 121 km deep · 63 km away
  9. 2.8220 km W of Adak, Alaska · 504 days ago · 158 km deep · 54 km away
  10. 1.8244 km W of Adak, Alaska · 503 days ago · 63 km deep · 51 km away
  11. 2.0Rat Islands, Aleutian Islands, Alaska · 503 days ago · 93 km deep · 57 km away
  12. 1.9228 km W of Adak, Alaska · 502 days ago · 91 km deep · 48 km away
  13. 3.1290 km WSW of Adak, Alaska · 502 days ago · 35 km deep · 58 km away
  14. 2.1269 km W of Adak, Alaska · 502 days ago · 72 km deep · 29 km away
  15. 2.5Rat Islands, Aleutian Islands, Alaska · 502 days ago · 28 km deep · 94 km away
  16. 1.6Rat Islands, Aleutian Islands, Alaska · 501 days ago · 6 km deep · 87 km away
  17. 1.7238 km W of Adak, Alaska · 501 days ago · 10 km deep · 53 km away
  18. 1.6221 km W of Adak, Alaska · 501 days ago · 15 km deep · 57 km away
  19. 3.0264 km W of Adak, Alaska · 501 days ago · 78 km deep · 35 km away
  20. 2.1Rat Islands, Aleutian Islands, Alaska · 501 days ago · 108 km deep · 54 km away
  21. 3.2Rat Islands, Aleutian Islands, Alaska · 500 days ago · 71 km deep · 51 km away
  22. 3.3Rat Islands, Aleutian Islands, Alaska · 500 days ago · 41 km deep · 71 km away
  23. 2.7229 km WSW of Adak, Alaska · 499 days ago · 68 km deep · 72 km away
  24. 2.0Rat Islands, Aleutian Islands, Alaska · 498 days ago · 62 km deep · 53 km away
  25. 2.7Rat Islands, Aleutian Islands, Alaska · 498 days ago · 10 km deep · 56 km away
  26. 4.0Rat Islands, Aleutian Islands, Alaska · 497 days ago · 77 km deep · 73 km away
  27. 2.0Rat Islands, Aleutian Islands, Alaska · 497 days ago · 65 km deep · 43 km away
  28. 2.9Rat Islands, Aleutian Islands, Alaska · 497 days ago · 117 km deep · 52 km away
  29. 2.9216 km W of Adak, Alaska · 496 days ago · 105 km deep · 59 km away
  30. 2.8255 km W of Adak, Alaska · 496 days ago · 63 km deep · 46 km away
  31. 2.3Rat Islands, Aleutian Islands, Alaska · 496 days ago · 26 km deep · 92 km away
  32. 3.0Rat Islands, Aleutian Islands, Alaska · 494 days ago · 46 km deep · 74 km away
  33. 2.6250 km WSW of Adak, Alaska · 494 days ago · 49 km deep · 87 km away
  34. 2.2284 km W of Adak, Alaska · 493 days ago · 84 km deep · 25 km away
  35. 2.1Rat Islands, Aleutian Islands, Alaska · 493 days ago · 96 km deep · 53 km away
  36. 2.5Rat Islands, Aleutian Islands, Alaska · 492 days ago · 79 km deep · 60 km away
  37. 3.1Rat Islands, Aleutian Islands, Alaska · 492 days ago · 126 km deep · 73 km away
  38. 1.9Rat Islands, Aleutian Islands, Alaska · 491 days ago · 61 km deep · 47 km away
  39. 1.8259 km W of Adak, Alaska · 491 days ago · 4 km deep · 16 km away
  40. 1.9180 km W of Adak, Alaska · 491 days ago · 95 km deep · 94 km away
  41. 2.0Rat Islands, Aleutian Islands, Alaska · 491 days ago · 53 km deep · 78 km away
  42. 2.7230 km W of Adak, Alaska · 491 days ago · 171 km deep · 45 km away
  43. 1.7270 km WSW of Adak, Alaska · 491 days ago · 28 km deep · 57 km away
  44. 1.7254 km WSW of Adak, Alaska · 491 days ago · 13 km deep · 74 km away
  45. 4.2Rat Islands, Aleutian Islands, Alaska · 490 days ago · 75 km deep · 58 km away
  46. 1.8241 km WSW of Adak, Alaska · 490 days ago · 34 km deep · 68 km away
  47. 2.7Rat Islands, Aleutian Islands, Alaska · 489 days ago · 60 km deep · 67 km away
  48. 2.1201 km WSW of Adak, Alaska · 489 days ago · 13 km deep · 91 km away
  49. 1.9235 km W of Adak, Alaska · 489 days ago · 17 km deep · 43 km away
  50. 3.3251 km W of Adak, Alaska · 486 days ago · 178 km deep · 36 km away
  51. 1.8Rat Islands, Aleutian Islands, Alaska · 486 days ago · 7 km deep · 73 km away
  52. 2.1Rat Islands, Aleutian Islands, Alaska · 486 days ago · 63 km deep · 40 km away
  53. 3.8265 km WSW of Adak, Alaska · 486 days ago · 73 km deep · 62 km away
  54. 2.9207 km W of Adak, Alaska · 485 days ago · 113 km deep · 71 km away
  55. 2.2241 km WSW of Adak, Alaska · 485 days ago · 59 km deep · 61 km away
  56. 2.7Rat Islands, Aleutian Islands, Alaska · 485 days ago · 60 km deep · 58 km away
  57. 2.0268 km W of Adak, Alaska · 485 days ago · 30 km deep · 7 km away
  58. 2.7Rat Islands, Aleutian Islands, Alaska · 484 days ago · 114 km deep · 56 km away
  59. 2.0Rat Islands, Aleutian Islands, Alaska · 483 days ago · 74 km deep · 46 km away
  60. 2.5Rat Islands, Aleutian Islands, Alaska · 483 days ago · 95 km deep · 64 km away

The first 60 of 130.

Before

  1. 2.9214 km W of Adak, Alaska · 512 days ago · 191 km deep · 61 km away
  2. 2.0Rat Islands, Aleutian Islands, Alaska · 513 days ago · 13 km deep · 64 km away
  3. 3.0183 km W of Adak, Alaska · 513 days ago · 107 km deep · 91 km away
  4. 2.8177 km W of Adak, Alaska · 513 days ago · 140 km deep · 96 km away
  5. 2.0247 km WSW of Adak, Alaska · 513 days ago · 13 km deep · 69 km away
  6. 2.5269 km WSW of Adak, Alaska · 513 days ago · 47 km deep · 86 km away
  7. 2.1235 km WSW of Adak, Alaska · 513 days ago · 3 km deep · 97 km away
  8. 2.0291 km W of Adak, Alaska · 514 days ago · 65 km deep · 40 km away
  9. 4.1Rat Islands, Aleutian Islands, Alaska · 514 days ago · 118 km deep · 66 km away
  10. 1.8Rat Islands, Aleutian Islands, Alaska · 514 days ago · 44 km deep · 79 km away
  11. 3.0184 km W of Adak, Alaska · 516 days ago · 98 km deep · 97 km away
  12. 2.6Rat Islands, Aleutian Islands, Alaska · 516 days ago · 35 km deep · 89 km away
  13. 3.8Rat Islands, Aleutian Islands, Alaska · 517 days ago · 74 km deep · 43 km away
  14. 3.4250 km W of Adak, Alaska · 518 days ago · 170 km deep · 34 km away
  15. 3.4Rat Islands, Aleutian Islands, Alaska · 518 days ago · 105 km deep · 65 km away
  16. 3.2220 km W of Adak, Alaska · 519 days ago · 77 km deep · 70 km away
  17. 1.9194 km W of Adak, Alaska · 519 days ago · 64 km deep · 89 km away
  18. 2.1244 km W of Adak, Alaska · 519 days ago · 83 km deep · 39 km away
  19. 2.5231 km W of Adak, Alaska · 519 days ago · 79 km deep · 57 km away
  20. 3.0Rat Islands, Aleutian Islands, Alaska · 520 days ago · 84 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pyu5 (also filed as ak0255xnqi4g). Read Fri, Oct 2, 2026, 3:04 AM UTC.