Alaska earthquakes

M1.9 earthquake 75 km WSW of Adak, Alaska

A magnitude 1.9 earthquake struck 75 km WSW of Adak, Alaska on Sun, Feb 16, 2020, 3:25 PM HAST (01:25 UTC), 26 km (16 mi) below the surface.

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

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (ml), micro
Local time
UTC
2020-02-17 01:25:12 UTC
Depth
26.4 km (16.4 mi), shallow
Epicenter
51.556° N, 177.593° 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
38

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.673 km S of Adak, Alaska · 2417 days ago · 26 km deep · 88 km away
  2. 4.7133 km SW of Adak, Alaska · 2417 days ago · 35 km deep · 61 km away
  3. 2.9126 km WSW of Adak, Alaska · 2417 days ago · 28 km deep · 51 km away
  4. 1.979 km W of Adak, Alaska · 2417 days ago · 9 km deep · 32 km away
  5. 1.879 km W of Adak, Alaska · 2417 days ago · 5 km deep · 34 km away
  6. 2.0132 km SW of Adak, Alaska · 2416 days ago · 22 km deep · 59 km away
  7. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2416 days ago · 26 km deep · 45 km away
  8. 1.7Andreanof Islands, Aleutian Islands, Alaska · 2416 days ago · 6 km deep · 33 km away
  9. 2.082 km W of Adak, Alaska · 2416 days ago · 9 km deep · 36 km away
  10. 1.983 km W of Adak, Alaska · 2416 days ago · 7 km deep · 37 km away
  11. 1.881 km W of Adak, Alaska · 2416 days ago · 8 km deep · 34 km away
  12. 3.163 km SSW of Adak, Alaska · 2416 days ago · 35 km deep · 57 km away
  13. 2.284 km W of Adak, Alaska · 2416 days ago · 5 km deep · 36 km away
  14. 1.677 km W of Adak, Alaska · 2416 days ago · 6 km deep · 35 km away
  15. 1.5123 km W of Adak, Alaska · 2415 days ago · 5 km deep · 66 km away
  16. 1.982 km W of Adak, Alaska · 2415 days ago · 8 km deep · 37 km away
  17. 2.686 km WSW of Adak, Alaska · 2415 days ago · 70 km deep · 14 km away
  18. 1.984 km W of Adak, Alaska · 2415 days ago · 10 km deep · 38 km away
  19. 1.988 km W of Adak, Alaska · 2415 days ago · 3 km deep · 39 km away
  20. 1.9132 km WSW of Adak, Alaska · 2415 days ago · 7 km deep · 64 km away
  21. 1.778 km W of Adak, Alaska · 2414 days ago · 7 km deep · 34 km away
  22. 2.0131 km WSW of Adak, Alaska · 2414 days ago · 24 km deep · 56 km away
  23. 1.782 km W of Adak, Alaska · 2414 days ago · 4 km deep · 34 km away
  24. 1.577 km W of Adak, Alaska · 2414 days ago · 7 km deep · 34 km away
  25. 2.679 km W of Adak, Alaska · 2414 days ago · 14 km deep · 29 km away
  26. 2.364 km WSW of Adak, Alaska · 2414 days ago · 68 km deep · 11 km away
  27. 2.055 km WSW of Adak, Alaska · 2414 days ago · 95 km deep · 22 km away
  28. 1.9150 km WSW of Adak, Alaska · 2413 days ago · 17 km deep · 77 km away
  29. 1.684 km W of Adak, Alaska · 2413 days ago · 15 km deep · 37 km away
  30. 1.579 km W of Adak, Alaska · 2413 days ago · 9 km deep · 33 km away
  31. 1.6129 km W of Adak, Alaska · 2413 days ago · 7 km deep · 63 km away
  32. 1.7143 km WSW of Adak, Alaska · 2412 days ago · 23 km deep · 68 km away
  33. 1.8113 km WSW of Adak, Alaska · 2412 days ago · 9 km deep · 39 km away
  34. 2.0124 km WSW of Adak, Alaska · 2412 days ago · 14 km deep · 50 km away
  35. 1.585 km W of Adak, Alaska · 2412 days ago · 11 km deep · 36 km away
  36. 1.637 km S of Adak, Alaska · 2412 days ago · 52 km deep · 73 km away
  37. 1.580 km W of Adak, Alaska · 2412 days ago · 10 km deep · 34 km away
  38. 1.988 km W of Adak, Alaska · 2412 days ago · 5 km deep · 39 km away
  39. 1.683 km W of Adak, Alaska · 2412 days ago · 7 km deep · 35 km away
  40. 1.680 km W of Adak, Alaska · 2412 days ago · 11 km deep · 34 km away
  41. 1.898 km WSW of Adak, Alaska · 2412 days ago · 26 km deep · 24 km away
  42. 1.880 km W of Adak, Alaska · 2412 days ago · 11 km deep · 35 km away
  43. 2.869 km SSE of Adak, Alaska · 2411 days ago · 10 km deep · 94 km away
  44. 2.282 km W of Adak, Alaska · 2411 days ago · 8 km deep · 37 km away
  45. 2.1118 km WSW of Adak, Alaska · 2411 days ago · 58 km deep · 44 km away
  46. 1.867 km WSW of Adak, Alaska · 2410 days ago · 68 km deep · 17 km away
  47. 3.4137 km WSW of Adak, Alaska · 2410 days ago · 34 km deep · 62 km away
  48. 3.725 km WNW of Adak, Alaska · 2410 days ago · 103 km deep · 64 km away
  49. 1.948 km SSE of Adak, Alaska · 2409 days ago · 43 km deep · 78 km away
  50. 1.789 km WSW of Adak, Alaska · 2409 days ago · 25 km deep · 14 km away
  51. 3.362 km SSW of Adak, Alaska · 2409 days ago · 10 km deep · 42 km away
  52. 2.0154 km WSW of Adak, Alaska · 2409 days ago · 25 km deep · 79 km away
  53. 2.657 km SSW of Adak, Alaska · 2409 days ago · 35 km deep · 40 km away
  54. 1.6Andreanof Islands, Aleutian Islands, Alaska · 2409 days ago · 10 km deep · 38 km away
  55. 2.284 km W of Adak, Alaska · 2409 days ago · 6 km deep · 36 km away
  56. 1.777 km W of Adak, Alaska · 2409 days ago · 7 km deep · 34 km away
  57. 1.848 km SE of Adak, Alaska · 2408 days ago · 27 km deep · 96 km away
  58. 1.678 km W of Adak, Alaska · 2408 days ago · 7 km deep · 35 km away
  59. 1.780 km W of Adak, Alaska · 2408 days ago · 6 km deep · 36 km away
  60. 1.983 km W of Adak, Alaska · 2408 days ago · 9 km deep · 38 km away

The first 60 of at least 199.

Before

  1. 1.840 km W of Adak, Alaska · 2418 days ago · 6 km deep · 44 km away
  2. 2.1134 km WSW of Adak, Alaska · 2418 days ago · 25 km deep · 59 km away
  3. 2.664 km WSW of Adak, Alaska · 2418 days ago · 67 km deep · 11 km away
  4. 1.9134 km WSW of Adak, Alaska · 2418 days ago · 24 km deep · 59 km away
  5. 1.590 km WSW of Adak, Alaska · 2419 days ago · 13 km deep · 15 km away
  6. 1.680 km W of Adak, Alaska · 2419 days ago · 9 km deep · 35 km away
  7. 1.879 km W of Adak, Alaska · 2419 days ago · 7 km deep · 38 km away
  8. 1.878 km W of Adak, Alaska · 2419 days ago · 11 km deep · 33 km away
  9. 1.878 km W of Adak, Alaska · 2419 days ago · 3 km deep · 36 km away
  10. 1.780 km W of Adak, Alaska · 2419 days ago · 7 km deep · 36 km away
  11. 1.679 km W of Adak, Alaska · 2419 days ago · 10 km deep · 35 km away
  12. 1.980 km W of Adak, Alaska · 2419 days ago · 10 km deep · 36 km away
  13. 1.988 km W of Adak, Alaska · 2419 days ago · 6 km deep · 39 km away
  14. 2.657 km WSW of Adak, Alaska · 2419 days ago · 79 km deep · 25 km away
  15. 3.051 km SE of Adak, Alaska · 2420 days ago · 36 km deep · 97 km away
  16. 2.178 km W of Adak, Alaska · 2420 days ago · 7 km deep · 32 km away
  17. 1.977 km W of Adak, Alaska · 2420 days ago · 9 km deep · 32 km away
  18. 1.680 km W of Adak, AK · 2420 days ago · 7 km deep · 36 km away
  19. 2.179 km W of Adak, Alaska · 2420 days ago · 7 km deep · 37 km away
  20. 1.741 km W of Adak, Alaska · 2420 days ago · 7 km deep · 43 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02027ejh74. Read Wed, Sep 30, 2026, 12:59 PM UTC.