Alaska earthquakes

M1.6 earthquake 138 km WSW of Adak, Alaska

A magnitude 1.6 earthquake struck 138 km WSW of Adak, Alaska on Tue, Jan 21, 2020, 5:43 PM HAST (03:43 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M6.2 84 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
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-01-22 03:43:33 UTC
Depth
23.5 km (14.6 mi), shallow
Epicenter
51.296° N, 178.404° 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
23

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 1.5135 km WSW of Adak, Alaska · 2444 days ago · 26 km deep · 11 km away
  2. 3.382 km W of Adak, Alaska · 2444 days ago · 10 km deep · 82 km away
  3. 3.281 km W of Adak, Alaska · 2444 days ago · 8 km deep · 75 km away
  4. 2.383 km W of Adak, Alaska · 2444 days ago · 10 km deep · 74 km away
  5. 1.883 km W of Adak, Alaska · 2444 days ago · 11 km deep · 74 km away
  6. 2.682 km W of Adak, Alaska · 2444 days ago · 10 km deep · 75 km away
  7. 1.981 km W of Adak, Alaska · 2444 days ago · 7 km deep · 73 km away
  8. 1.881 km W of Adak, Alaska · 2444 days ago · 8 km deep · 74 km away
  9. 1.881 km W of Adak, Alaska · 2444 days ago · 8 km deep · 74 km away
  10. 1.782 km W of Adak, Alaska · 2444 days ago · 7 km deep · 73 km away
  11. 2.982 km W of Adak, Alaska · 2444 days ago · 7 km deep · 75 km away
  12. 1.981 km W of Adak, Alaska · 2444 days ago · 7 km deep · 75 km away
  13. 1.984 km W of Adak, Alaska · 2444 days ago · 13 km deep · 72 km away
  14. 2.681 km W of Adak, Alaska · 2444 days ago · 7 km deep · 75 km away
  15. 1.783 km W of Adak, Alaska · 2444 days ago · 12 km deep · 72 km away
  16. 1.581 km W of Adak, Alaska · 2444 days ago · 7 km deep · 74 km away
  17. 1.581 km W of Adak, Alaska · 2444 days ago · 7 km deep · 74 km away
  18. 1.581 km W of Adak, Alaska · 2444 days ago · 8 km deep · 74 km away
  19. 1.583 km W of Adak, Alaska · 2444 days ago · 10 km deep · 72 km away
  20. 1.681 km W of Adak, Alaska · 2444 days ago · 9 km deep · 73 km away
  21. 1.582 km W of Adak, Alaska · 2444 days ago · 7 km deep · 73 km away
  22. 1.881 km W of Adak, Alaska · 2444 days ago · 7 km deep · 75 km away
  23. 1.681 km W of Adak, Alaska · 2444 days ago · 9 km deep · 74 km away
  24. 1.681 km W of Adak, Alaska · 2444 days ago · 8 km deep · 75 km away
  25. 1.680 km W of Adak, Alaska · 2444 days ago · 7 km deep · 76 km away
  26. 1.681 km W of Adak, Alaska · 2444 days ago · 8 km deep · 73 km away
  27. 1.682 km W of Adak, Alaska · 2444 days ago · 11 km deep · 73 km away
  28. 2.581 km W of Adak, Alaska · 2443 days ago · 7 km deep · 75 km away
  29. 2.181 km W of Adak, Alaska · 2443 days ago · 6 km deep · 75 km away
  30. 2.780 km W of Adak, Alaska · 2443 days ago · 7 km deep · 75 km away
  31. 2.481 km W of Adak, Alaska · 2443 days ago · 7 km deep · 75 km away
  32. 1.780 km W of Adak, Alaska · 2443 days ago · 9 km deep · 73 km away
  33. 1.881 km W of Adak, Alaska · 2443 days ago · 7 km deep · 74 km away
  34. 1.581 km W of Adak, Alaska · 2443 days ago · 8 km deep · 73 km away
  35. 1.880 km W of Adak, Alaska · 2443 days ago · 7 km deep · 75 km away
  36. 1.881 km W of Adak, Alaska · 2443 days ago · 7 km deep · 75 km away
  37. 1.981 km W of Adak, Alaska · 2443 days ago · 8 km deep · 75 km away
  38. 1.681 km W of Adak, Alaska · 2443 days ago · 6 km deep · 77 km away
  39. 2.082 km W of Adak, Alaska · 2443 days ago · 9 km deep · 73 km away
  40. 1.782 km W of Adak, Alaska · 2443 days ago · 8 km deep · 74 km away
  41. 1.882 km W of Adak, Alaska · 2443 days ago · 10 km deep · 72 km away
  42. 1.782 km W of Adak, Alaska · 2443 days ago · 9 km deep · 75 km away
  43. 1.881 km W of Adak, Alaska · 2443 days ago · 9 km deep · 75 km away
  44. 3.283 km W of Adak, Alaska · 2443 days ago · 10 km deep · 75 km away
  45. 6.284 km W of Adak, Alaska · 2443 days ago · 10 km deep · 85 km away · felt by 9
  46. 4.180 km W of Adak, Alaska · 2443 days ago · 10 km deep · 71 km away
  47. 3.378 km W of Adak, Alaska · 2443 days ago · 10 km deep · 76 km away
  48. 3.390 km W of Adak, Alaska · 2443 days ago · 10 km deep · 77 km away
  49. 3.2101 km SW of Adak, Alaska · 2443 days ago · 10 km deep · 50 km away
  50. 2.787 km W of Adak, Alaska · 2443 days ago · 8 km deep · 71 km away
  51. 3.082 km W of Adak, Alaska · 2443 days ago · 5 km deep · 73 km away
  52. 3.184 km W of Adak, Alaska · 2443 days ago · 10 km deep · 73 km away
  53. 3.282 km W of Adak, Alaska · 2443 days ago · 10 km deep · 75 km away
  54. 3.576 km W of Adak, Alaska · 2443 days ago · 10 km deep · 71 km away
  55. 3.491 km W of Adak, Alaska · 2443 days ago · 10 km deep · 76 km away
  56. 3.887 km W of Adak, Alaska · 2443 days ago · 10 km deep · 81 km away
  57. 2.691 km W of Adak, Alaska · 2443 days ago · 10 km deep · 68 km away
  58. 2.682 km W of Adak, Alaska · 2443 days ago · 10 km deep · 76 km away
  59. 2.386 km W of Adak, Alaska · 2443 days ago · 6 km deep · 71 km away
  60. 2.893 km W of Adak, Alaska · 2443 days ago · 10 km deep · 67 km away

The first 60 of at least 201.

Before

  1. 1.7146 km WSW of Adak, Alaska · 2444 days ago · 26 km deep · 13 km away
  2. 1.7192 km WSW of Adak, Alaska · 2444 days ago · 25 km deep · 58 km away
  3. 1.6131 km W of Adak, Alaska · 2444 days ago · 12 km deep · 49 km away
  4. 1.680 km WSW of Adak, Alaska · 2445 days ago · 39 km deep · 59 km away
  5. 4.493 km W of Adak, Alaska · 2445 days ago · 78 km deep · 60 km away
  6. 2.3133 km WSW of Adak, Alaska · 2445 days ago · 6 km deep · 39 km away
  7. 4.2125 km SW of Adak, Alaska · 2445 days ago · 35 km deep · 21 km away
  8. 1.668 km SSW of Adak, Alaska · 2446 days ago · 35 km deep · 92 km away
  9. 1.8157 km WSW of Adak, Alaska · 2446 days ago · 13 km deep · 36 km away
  10. 1.6178 km WSW of Adak, Alaska · 2446 days ago · 25 km deep · 51 km away
  11. 1.7130 km SW of Adak, Alaska · 2446 days ago · 21 km deep · 24 km away
  12. 1.9110 km SW of Adak, Alaska · 2446 days ago · 28 km deep · 46 km away
  13. 1.6129 km WSW of Adak, Alaska · 2448 days ago · 5 km deep · 40 km away
  14. 2.0175 km WSW of Adak, Alaska · 2448 days ago · 24 km deep · 38 km away
  15. 2.3138 km SW of Adak, Alaska · 2448 days ago · 19 km deep · 31 km away
  16. 3.0230 km WSW of Adak, Alaska · 2448 days ago · 26 km deep · 95 km away
  17. 1.980 km SW of Adak, Alaska · 2449 days ago · 35 km deep · 63 km away
  18. 2.2205 km WSW of Adak, Alaska · 2449 days ago · 24 km deep · 75 km away
  19. 3.0134 km SW of Adak, Alaska · 2450 days ago · 29 km deep · 27 km away
  20. 2.3196 km WSW of Adak, Alaska · 2450 days ago · 67 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02010fv827. Read Thu, Oct 1, 2026, 7:58 AM UTC.