Alaska earthquakes

M2.7 earthquake 271 km WSW of Adak, Alaska

A magnitude 2.7 earthquake struck 271 km WSW of Adak, Alaska on Thu, Jul 24, 2025, 2:00 PM GMT+12 (02:00 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.9 237 km W 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
2.7 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-07-24 02:00:32 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.373° N, 179.529° 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
2.7ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.081 · 20 stations
2.4ML, 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 3.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
192°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 125 in the 60 days after this one and 99 in the 30 days before it.

After

  1. 1.9202 km WSW of Adak, Alaska · 435 days ago · 18 km deep · 96 km away
  2. 1.8195 km WSW of Adak, Alaska · 435 days ago · 18 km deep · 81 km away
  3. 2.8191 km WSW of Adak, Alaska · 434 days ago · 70 km deep · 80 km away
  4. 5.3Rat Islands, Aleutian Islands, Alaska · 434 days ago · 90 km deep · 85 km away · tsunami flag
  5. 1.7265 km WSW of Adak, Alaska · 433 days ago · 24 km deep · 9 km away
  6. 2.0Rat Islands, Aleutian Islands, Alaska · 433 days ago · 15 km deep · 76 km away
  7. 1.7194 km W of Adak, Alaska · 433 days ago · 81 km deep · 82 km away
  8. 1.8Rat Islands, Aleutian Islands, Alaska · 433 days ago · 70 km deep · 44 km away
  9. 1.8271 km WSW of Adak, Alaska · 432 days ago · 32 km deep · 13 km away
  10. 1.9Rat Islands, Aleutian Islands, Alaska · 432 days ago · 72 km deep · 49 km away
  11. 1.7194 km WSW of Adak, Alaska · 432 days ago · 17 km deep · 95 km away
  12. 2.2Rat Islands, Aleutian Islands, Alaska · 431 days ago · 131 km deep · 86 km away
  13. 3.3Rat Islands, Aleutian Islands, Alaska · 431 days ago · 153 km deep · 76 km away
  14. 1.8193 km WSW of Adak, Alaska · 431 days ago · 24 km deep · 83 km away
  15. 2.5174 km WSW of Adak, Alaska · 431 days ago · 73 km deep · 96 km away
  16. 2.0207 km WSW of Adak, Alaska · 430 days ago · 13 km deep · 86 km away
  17. 1.7237 km W of Adak, Alaska · 430 days ago · 85 km deep · 42 km away
  18. 1.7298 km WSW of Adak, Alaska · 430 days ago · 18 km deep · 42 km away
  19. 1.9Rat Islands, Aleutian Islands, Alaska · 430 days ago · 10 km deep · 47 km away
  20. 3.0Rat Islands, Aleutian Islands, Alaska · 429 days ago · 89 km deep · 74 km away
  21. 2.2271 km WSW of Adak, Alaska · 429 days ago · 34 km deep · 14 km away
  22. 3.5Rat Islands, Aleutian Islands, Alaska · 428 days ago · 90 km deep · 75 km away
  23. 2.6Rat Islands, Aleutian Islands, Alaska · 427 days ago · 35 km deep · 80 km away
  24. 2.7Rat Islands, Aleutian Islands, Alaska · 425 days ago · 35 km deep · 79 km away
  25. 1.8Rat Islands, Aleutian Islands, Alaska · 424 days ago · 40 km deep · 40 km away
  26. 1.8279 km WSW of Adak, Alaska · 424 days ago · 19 km deep · 31 km away
  27. 1.8248 km WSW of Adak, Alaska · 424 days ago · 38 km deep · 31 km away
  28. 2.1Rat Islands, Aleutian Islands, Alaska · 424 days ago · 72 km deep · 80 km away
  29. 1.7265 km WSW of Adak, Alaska · 423 days ago · 19 km deep · 23 km away
  30. 2.8Rat Islands, Aleutian Islands, Alaska · 423 days ago · 71 km deep · 93 km away
  31. 2.0237 km WSW of Adak, Alaska · 423 days ago · 13 km deep · 54 km away
  32. 1.8229 km WSW of Adak, Alaska · 423 days ago · 11 km deep · 46 km away
  33. 2.5Rat Islands, Aleutian Islands, Alaska · 422 days ago · 69 km deep · 46 km away
  34. 1.6181 km W of Adak, Alaska · 422 days ago · 9 km deep · 91 km away
  35. 1.9Rat Islands, Aleutian Islands, Alaska · 422 days ago · 7 km deep · 55 km away
  36. 2.0241 km WSW of Adak, Alaska · 421 days ago · 15 km deep · 32 km away
  37. 2.1236 km W of Adak, Alaska · 421 days ago · 69 km deep · 37 km away
  38. 1.9237 km WSW of Adak, Alaska · 421 days ago · 13 km deep · 60 km away
  39. 2.0Rat Islands, Aleutian Islands, Alaska · 421 days ago · 61 km deep · 51 km away
  40. 1.9Rat Islands, Aleutian Islands, Alaska · 421 days ago · 9 km deep · 53 km away
  41. 2.8275 km W of Adak, Alaska · 420 days ago · 99 km deep · 40 km away
  42. 2.7263 km W of Adak, Alaska · 420 days ago · 79 km deep · 29 km away
  43. 2.3219 km WSW of Adak, Alaska · 420 days ago · 16 km deep · 55 km away
  44. 2.7269 km WSW of Adak, Alaska · 419 days ago · 35 km deep · 23 km away
  45. 1.6254 km WSW of Adak, Alaska · 419 days ago · 53 km deep · 17 km away
  46. 1.9187 km WSW of Adak, Alaska · 418 days ago · 9 km deep · 88 km away
  47. 3.0177 km WSW of Adak, Alaska · 417 days ago · 35 km deep · 97 km away
  48. 2.6266 km WSW of Adak, Alaska · 417 days ago · 46 km deep · 10 km away
  49. 1.8236 km W of Adak, Alaska · 415 days ago · 86 km deep · 48 km away
  50. 2.7231 km W of Adak, Alaska · 415 days ago · 95 km deep · 51 km away
  51. 2.0180 km WSW of Adak, Alaska · 415 days ago · 10 km deep · 94 km away
  52. 2.0Rat Islands, Aleutian Islands, Alaska · 414 days ago · 39 km deep · 89 km away
  53. 1.9194 km WSW of Adak, Alaska · 414 days ago · 70 km deep · 76 km away
  54. 2.6223 km WSW of Adak, Alaska · 414 days ago · 7 km deep · 48 km away
  55. 1.8201 km W of Adak, Alaska · 414 days ago · 85 km deep · 71 km away
  56. 2.3Rat Islands, Aleutian Islands, Alaska · 414 days ago · 92 km deep · 80 km away
  57. 2.1Rat Islands, Aleutian Islands, Alaska · 414 days ago · 20 km deep · 82 km away
  58. 2.0293 km W of Adak, Alaska · 413 days ago · 76 km deep · 46 km away
  59. 1.9214 km WSW of Adak, Alaska · 413 days ago · 19 km deep · 62 km away
  60. 1.8285 km W of Adak, Alaska · 412 days ago · 80 km deep · 42 km away

The first 60 of 125.

Before

  1. 1.8231 km WSW of Adak, Alaska · 437 days ago · 69 km deep · 41 km away
  2. 1.5273 km WSW of Adak, Alaska · 437 days ago · 35 km deep · 12 km away
  3. 1.7272 km WSW of Adak, Alaska · 437 days ago · 34 km deep · 10 km away
  4. 1.9273 km WSW of Adak, Alaska · 437 days ago · 35 km deep · 11 km away
  5. 2.8238 km WSW of Adak, Alaska · 438 days ago · 35 km deep · 45 km away
  6. 1.7273 km WSW of Adak, Alaska · 438 days ago · 34 km deep · 10 km away
  7. 1.8271 km WSW of Adak, Alaska · 438 days ago · 35 km deep · 13 km away
  8. 1.9274 km WSW of Adak, Alaska · 438 days ago · 33 km deep · 15 km away
  9. 1.7202 km WSW of Adak, Alaska · 438 days ago · 13 km deep · 74 km away
  10. 1.9273 km WSW of Adak, Alaska · 438 days ago · 35 km deep · 12 km away
  11. 1.9271 km WSW of Adak, Alaska · 438 days ago · 34 km deep · 10 km away
  12. 1.8270 km WSW of Adak, Alaska · 438 days ago · 33 km deep · 12 km away
  13. 5.0275 km WSW of Adak, Alaska · 438 days ago · 50 km deep · 12 km away
  14. 1.9204 km WSW of Adak, Alaska · 438 days ago · 14 km deep · 68 km away
  15. 3.3233 km W of Adak, Alaska · 438 days ago · 73 km deep · 39 km away
  16. 2.6Rat Islands, Aleutian Islands, Alaska · 438 days ago · 54 km deep · 57 km away
  17. 2.9Rat Islands, Aleutian Islands, Alaska · 440 days ago · 21 km deep · 54 km away
  18. 3.2Rat Islands, Aleutian Islands, Alaska · 442 days ago · 71 km deep · 93 km away
  19. 2.0220 km WSW of Adak, Alaska · 442 days ago · 47 km deep · 51 km away
  20. 2.9232 km W of Adak, Alaska · 442 days ago · 79 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000qwt6 (also filed as ak0259f2d2us). Read Fri, Oct 2, 2026, 9:44 PM UTC.