Alaska earthquakes

M1.9 earthquake 132 km W of Adak, Alaska

A magnitude 1.9 earthquake struck 132 km W of Adak, Alaska on Tue, Feb 18, 2025, 3:35 PM HAST (01:35 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M5.2 148 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
1.9 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2025-02-19 01:35:23 UTC
Depth
19.6 km (12.2 mi), shallow
Epicenter
51.718° N, 178.541° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

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 0.7 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
150°
Stations used
10

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 83 in the 30 days before it.

After

  1. 2.6117 km WSW of Adak, Alaska · 590 days ago · 34 km deep · 43 km away
  2. 3.1Andreanof Islands, Aleutian Islands, Alaska · 589 days ago · 24 km deep · 35 km away
  3. 2.8224 km W of Adak, Alaska · 589 days ago · 141 km deep · 98 km away
  4. 2.0141 km WSW of Adak, Alaska · 589 days ago · 36 km deep · 42 km away
  5. 3.0223 km W of Adak, Alaska · 589 days ago · 174 km deep · 93 km away
  6. 1.9132 km W of Adak, Alaska · 588 days ago · 12 km deep · 6 km away
  7. 1.8132 km WSW of Adak, Alaska · 588 days ago · 24 km deep · 53 km away
  8. 2.157 km WSW of Adak, Alaska · 588 days ago · 8 km deep · 75 km away
  9. 3.1146 km WSW of Adak, Alaska · 588 days ago · 35 km deep · 58 km away
  10. 3.3120 km WSW of Adak, Alaska · 588 days ago · 35 km deep · 52 km away
  11. 1.7108 km WSW of Adak, Alaska · 588 days ago · 14 km deep · 39 km away
  12. 2.065 km SW of Adak, Alaska · 587 days ago · 49 km deep · 98 km away
  13. 2.562 km W of Adak, Alaska · 587 days ago · 116 km deep · 75 km away
  14. 1.8113 km SW of Adak, Alaska · 587 days ago · 27 km deep · 70 km away
  15. 2.0150 km WSW of Adak, Alaska · 587 days ago · 12 km deep · 35 km away
  16. 2.2147 km WSW of Adak, Alaska · 587 days ago · 25 km deep · 41 km away
  17. 2.7146 km WSW of Adak, Alaska · 586 days ago · 64 km deep · 31 km away
  18. 1.784 km SW of Adak, Alaska · 586 days ago · 34 km deep · 69 km away
  19. 2.346 km WNW of Adak, Alaska · 586 days ago · 111 km deep · 97 km away
  20. 1.955 km W of Adak, Alaska · 586 days ago · 87 km deep · 77 km away
  21. 1.7123 km WSW of Adak, Alaska · 585 days ago · 26 km deep · 33 km away
  22. 2.7218 km W of Adak, Alaska · 585 days ago · 184 km deep · 98 km away
  23. 1.8124 km WSW of Adak, Alaska · 585 days ago · 25 km deep · 41 km away
  24. 2.2217 km WSW of Adak, Alaska · 585 days ago · 62 km deep · 85 km away
  25. 2.1156 km WSW of Adak, Alaska · 584 days ago · 44 km deep · 31 km away
  26. 1.9159 km WSW of Adak, Alaska · 584 days ago · 21 km deep · 36 km away
  27. 1.688 km WSW of Adak, Alaska · 584 days ago · 31 km deep · 61 km away
  28. 1.9123 km WSW of Adak, Alaska · 583 days ago · 26 km deep · 40 km away
  29. 2.874 km SW of Adak, Alaska · 583 days ago · 57 km deep · 74 km away
  30. 3.1129 km WNW of Adak, Alaska · 583 days ago · 179 km deep · 89 km away
  31. 1.7148 km WSW of Adak, Alaska · 583 days ago · 22 km deep · 53 km away
  32. 1.577 km WSW of Adak, Alaska · 583 days ago · 33 km deep · 71 km away
  33. 1.9150 km WSW of Adak, Alaska · 582 days ago · 59 km deep · 32 km away
  34. 1.5135 km SW of Adak, Alaska · 582 days ago · 23 km deep · 60 km away
  35. 2.047 km W of Adak, Alaska · 582 days ago · 82 km deep · 86 km away
  36. 1.9106 km WSW of Adak, Alaska · 581 days ago · 36 km deep · 53 km away
  37. 1.8115 km WSW of Adak, Alaska · 581 days ago · 33 km deep · 31 km away
  38. 2.0126 km WSW of Adak, Alaska · 581 days ago · 8 km deep · 20 km away
  39. 3.9150 km WNW of Adak, Alaska · 581 days ago · 238 km deep · 68 km away
  40. 1.9142 km WSW of Adak, Alaska · 581 days ago · 33 km deep · 36 km away
  41. 1.9154 km WSW of Adak, Alaska · 581 days ago · 15 km deep · 26 km away
  42. 1.7102 km WSW of Adak, Alaska · 581 days ago · 7 km deep · 36 km away
  43. 2.2139 km SW of Adak, Alaska · 581 days ago · 22 km deep · 71 km away
  44. 2.1126 km WSW of Adak, Alaska · 581 days ago · 39 km deep · 43 km away
  45. 2.794 km WSW of Adak, Alaska · 580 days ago · 42 km deep · 50 km away
  46. 1.9128 km WSW of Adak, Alaska · 580 days ago · 25 km deep · 32 km away
  47. 1.9180 km WSW of Adak, Alaska · 580 days ago · 21 km deep · 54 km away
  48. 2.0144 km WSW of Adak, Alaska · 580 days ago · 25 km deep · 57 km away
  49. 1.683 km WSW of Adak, Alaska · 580 days ago · 36 km deep · 67 km away
  50. 2.9118 km WSW of Adak, Alaska · 579 days ago · 50 km deep · 55 km away
  51. 2.4197 km WNW of Adak, Alaska · 579 days ago · 157 km deep · 88 km away
  52. 1.870 km SW of Adak, Alaska · 579 days ago · 58 km deep · 79 km away
  53. 2.0124 km W of Adak, Alaska · 578 days ago · 100 km deep · 25 km away
  54. 2.0122 km WSW of Adak, Alaska · 578 days ago · 75 km deep · 16 km away
  55. 1.761 km SW of Adak, Alaska · 578 days ago · 31 km deep · 93 km away
  56. 1.6118 km WSW of Adak, Alaska · 578 days ago · 18 km deep · 39 km away
  57. 1.679 km SW of Adak, Alaska · 578 days ago · 39 km deep · 87 km away
  58. 1.778 km SW of Adak, Alaska · 578 days ago · 45 km deep · 88 km away
  59. 2.3136 km SW of Adak, Alaska · 576 days ago · 35 km deep · 75 km away
  60. 2.6172 km W of Adak, Alaska · 576 days ago · 17 km deep · 40 km away

The first 60 of at least 200.

Before

  1. 2.3189 km WSW of Adak, Alaska · 590 days ago · 21 km deep · 75 km away
  2. 2.4206 km WSW of Adak, Alaska · 591 days ago · 60 km deep · 73 km away
  3. 1.8104 km SW of Adak, Alaska · 592 days ago · 16 km deep · 62 km away
  4. 2.3173 km WSW of Adak, Alaska · 592 days ago · 30 km deep · 63 km away
  5. 1.6100 km WNW of Adak, Alaska · 592 days ago · 20 km deep · 61 km away
  6. 2.0133 km WSW of Adak, Alaska · 592 days ago · 33 km deep · 46 km away
  7. 1.968 km SW of Adak, Alaska · 592 days ago · 45 km deep · 79 km away
  8. 2.4220 km W of Adak, Alaska · 592 days ago · 95 km deep · 88 km away
  9. 2.1139 km WSW of Adak, Alaska · 593 days ago · 24 km deep · 49 km away
  10. 2.5117 km WSW of Adak, Alaska · 593 days ago · 36 km deep · 42 km away
  11. 2.0129 km WSW of Adak, Alaska · 593 days ago · 13 km deep · 12 km away
  12. 2.6227 km W of Adak, Alaska · 593 days ago · 10 km deep · 95 km away
  13. 4.0169 km WNW of Adak, Alaska · 594 days ago · 247 km deep · 72 km away
  14. 1.869 km W of Adak, Alaska · 594 days ago · 13 km deep · 65 km away
  15. 1.8124 km WSW of Adak, Alaska · 594 days ago · 32 km deep · 47 km away
  16. 1.558 km SW of Adak, Alaska · 594 days ago · 33 km deep · 95 km away
  17. 1.7141 km WSW of Adak, Alaska · 594 days ago · 18 km deep · 22 km away
  18. 1.9127 km WSW of Adak, Alaska · 594 days ago · 41 km deep · 47 km away
  19. 1.783 km W of Adak, Alaska · 594 days ago · 5 km deep · 51 km away
  20. 1.9134 km SW of Adak, Alaska · 595 days ago · 22 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av93504881. Read Fri, Oct 2, 2026, 3:38 AM UTC.