Alaska earthquakes

M1.6 earthquake 77 km W of Adak, Alaska

A magnitude 1.6 earthquake struck 77 km W of Adak, Alaska on Wed, Feb 12, 2020, 2:13 AM HAST (12:13 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M5.0 71 km WNW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2020-02-12 12:13:38 UTC
Depth
5.1 km (3.2 mi), shallow
Epicenter
51.809° N, 177.756° 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.

Stations used
19

Nearby

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

After

  1. 1.877 km W of Adak, Alaska · 2422 days ago · 6 km deep · 4 km away
  2. 2.0Andreanof Islands, Aleutian Islands, Alaska · 2421 days ago · 7 km deep · 5 km away
  3. 1.882 km W of Adak, Alaska · 2421 days ago · 12 km deep · 7 km away
  4. 1.688 km W of Adak, Alaska · 2421 days ago · 3 km deep · 12 km away
  5. 1.988 km W of Adak, Alaska · 2421 days ago · 7 km deep · 13 km away
  6. 1.678 km W of Adak, Alaska · 2421 days ago · 3 km deep · 5 km away
  7. 1.888 km W of Adak, Alaska · 2421 days ago · 6 km deep · 13 km away
  8. 2.188 km W of Adak, Alaska · 2421 days ago · 3 km deep · 12 km away
  9. 2.087 km W of Adak, Alaska · 2421 days ago · 7 km deep · 12 km away
  10. 2.786 km W of Adak, Alaska · 2421 days ago · 9 km deep · 10 km away
  11. 2.087 km W of Adak, Alaska · 2421 days ago · 6 km deep · 12 km away
  12. 2.194 km W of Adak, Alaska · 2421 days ago · 4 km deep · 17 km away
  13. 1.788 km W of Adak, Alaska · 2421 days ago · 5 km deep · 12 km away
  14. 1.741 km W of Adak, Alaska · 2420 days ago · 7 km deep · 36 km away
  15. 2.179 km W of Adak, Alaska · 2420 days ago · 7 km deep · 6 km away
  16. 1.680 km W of Adak, AK · 2420 days ago · 7 km deep · 6 km away
  17. 1.977 km W of Adak, Alaska · 2420 days ago · 9 km deep · 1 km away
  18. 2.178 km W of Adak, Alaska · 2420 days ago · 7 km deep · 2 km away
  19. 2.657 km WSW of Adak, Alaska · 2419 days ago · 79 km deep · 22 km away
  20. 1.988 km W of Adak, Alaska · 2419 days ago · 6 km deep · 11 km away
  21. 1.980 km W of Adak, Alaska · 2419 days ago · 10 km deep · 6 km away
  22. 1.679 km W of Adak, Alaska · 2419 days ago · 10 km deep · 4 km away
  23. 1.780 km W of Adak, Alaska · 2419 days ago · 7 km deep · 5 km away
  24. 1.878 km W of Adak, Alaska · 2419 days ago · 3 km deep · 5 km away
  25. 1.878 km W of Adak, Alaska · 2419 days ago · 11 km deep · 2 km away
  26. 1.879 km W of Adak, Alaska · 2419 days ago · 7 km deep · 7 km away
  27. 1.680 km W of Adak, Alaska · 2419 days ago · 9 km deep · 5 km away
  28. 1.590 km WSW of Adak, Alaska · 2419 days ago · 13 km deep · 36 km away
  29. 1.9134 km WSW of Adak, Alaska · 2418 days ago · 24 km deep · 71 km away
  30. 2.664 km WSW of Adak, Alaska · 2418 days ago · 67 km deep · 33 km away
  31. 2.1134 km WSW of Adak, Alaska · 2418 days ago · 25 km deep · 68 km away
  32. 1.840 km W of Adak, Alaska · 2418 days ago · 6 km deep · 37 km away
  33. 1.975 km WSW of Adak, Alaska · 2418 days ago · 26 km deep · 30 km away
  34. 4.7133 km SW of Adak, Alaska · 2417 days ago · 35 km deep · 79 km away
  35. 2.9126 km WSW of Adak, Alaska · 2417 days ago · 28 km deep · 64 km away
  36. 1.979 km W of Adak, Alaska · 2417 days ago · 9 km deep · 2 km away
  37. 1.879 km W of Adak, Alaska · 2417 days ago · 5 km deep · 4 km away
  38. 2.0132 km SW of Adak, Alaska · 2416 days ago · 22 km deep · 77 km away
  39. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2416 days ago · 26 km deep · 73 km away
  40. 1.7Andreanof Islands, Aleutian Islands, Alaska · 2416 days ago · 6 km deep · 4 km away
  41. 2.082 km W of Adak, Alaska · 2416 days ago · 9 km deep · 7 km away
  42. 1.983 km W of Adak, Alaska · 2416 days ago · 7 km deep · 8 km away
  43. 1.881 km W of Adak, Alaska · 2416 days ago · 8 km deep · 5 km away
  44. 3.163 km SSW of Adak, Alaska · 2416 days ago · 35 km deep · 82 km away
  45. 2.284 km W of Adak, Alaska · 2416 days ago · 5 km deep · 8 km away
  46. 1.677 km W of Adak, Alaska · 2416 days ago · 6 km deep · 5 km away
  47. 1.5123 km W of Adak, Alaska · 2415 days ago · 5 km deep · 47 km away
  48. 1.982 km W of Adak, Alaska · 2415 days ago · 8 km deep · 7 km away
  49. 2.686 km WSW of Adak, Alaska · 2415 days ago · 70 km deep · 25 km away
  50. 1.984 km W of Adak, Alaska · 2415 days ago · 10 km deep · 8 km away
  51. 1.988 km W of Adak, Alaska · 2415 days ago · 3 km deep · 12 km away
  52. 1.9132 km WSW of Adak, Alaska · 2415 days ago · 7 km deep · 56 km away
  53. 1.778 km W of Adak, Alaska · 2414 days ago · 7 km deep · 4 km away
  54. 2.0131 km WSW of Adak, Alaska · 2414 days ago · 24 km deep · 70 km away
  55. 1.782 km W of Adak, Alaska · 2414 days ago · 4 km deep · 5 km away
  56. 1.577 km W of Adak, Alaska · 2414 days ago · 7 km deep · 4 km away
  57. 2.679 km W of Adak, Alaska · 2414 days ago · 14 km deep · 3 km away
  58. 2.364 km WSW of Adak, Alaska · 2414 days ago · 68 km deep · 28 km away
  59. 2.055 km WSW of Adak, Alaska · 2414 days ago · 95 km deep · 28 km away
  60. 1.9150 km WSW of Adak, Alaska · 2413 days ago · 17 km deep · 76 km away

The first 60 of at least 200.

Before

  1. 1.9127 km SW of Adak, Alaska · 2422 days ago · 26 km deep · 72 km away
  2. 2.886 km SW of Adak, Alaska · 2422 days ago · 41 km deep · 41 km away
  3. 3.4130 km WSW of Adak, Alaska · 2422 days ago · 10 km deep · 66 km away
  4. 1.879 km W of Adak, Alaska · 2422 days ago · 10 km deep · 4 km away
  5. 2.278 km W of Adak, Alaska · 2423 days ago · 10 km deep · 11 km away
  6. 1.844 km S of Adak, Alaska · 2423 days ago · 25 km deep · 83 km away
  7. 1.986 km W of Adak, Alaska · 2424 days ago · 7 km deep · 10 km away
  8. 1.936 km W of Adak, Alaska · 2424 days ago · 6 km deep · 43 km away
  9. 2.187 km W of Adak, Alaska · 2424 days ago · 6 km deep · 12 km away
  10. 1.784 km W of Adak, Alaska · 2424 days ago · 5 km deep · 8 km away
  11. 1.5Andreanof Islands, Aleutian Islands, Alaska · 2424 days ago · 7 km deep · 11 km away
  12. 1.784 km W of Adak, Alaska · 2425 days ago · 13 km deep · 10 km away
  13. 1.679 km W of Adak, Alaska · 2425 days ago · 13 km deep · 6 km away
  14. 1.783 km W of Adak, Alaska · 2425 days ago · 7 km deep · 8 km away
  15. 2.1165 km W of Adak, Alaska · 2425 days ago · 8 km deep · 88 km away
  16. 3.0135 km WSW of Adak, Alaska · 2425 days ago · 33 km deep · 73 km away
  17. 1.578 km W of Adak, Alaska · 2425 days ago · 6 km deep · 4 km away
  18. 1.779 km W of Adak, Alaska · 2425 days ago · 9 km deep · 5 km away
  19. 2.085 km W of Adak, Alaska · 2425 days ago · 7 km deep · 9 km away
  20. 2.288 km W of Adak, Alaska · 2426 days ago · 5 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0201zbbzrt. Read Wed, Sep 30, 2026, 2:01 PM UTC.