Alaska earthquakes

M1.9 earthquake 83 km W of Adak, Alaska

A magnitude 1.9 earthquake struck 83 km W of Adak, Alaska on Thu, Jan 23, 2020, 7:09 AM HAST (17:09 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.

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, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2020-01-23 17:09:33 UTC
Depth
5.4 km (3.3 mi), shallow
Epicenter
51.854° N, 177.853° 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, 1.1 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
210°, poorly surrounded by stations
Stations used
4

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.284 km W of Adak, Alaska · 2443 days ago · 4 km deep · 3 km away
  2. 2.075 km W of Adak, Alaska · 2443 days ago · 6 km deep · 9 km away
  3. 1.876 km W of Adak, Alaska · 2443 days ago · 6 km deep · 7 km away
  4. 1.887 km W of Adak, Alaska · 2443 days ago · 4 km deep · 4 km away
  5. 2.889 km W of Adak, Alaska · 2443 days ago · 9 km deep · 5 km away
  6. 2.388 km W of Adak, Alaska · 2443 days ago · 6 km deep · 5 km away
  7. 2.292 km W of Adak, Alaska · 2443 days ago · 3 km deep · 9 km away
  8. 2.264 km W of Adak, Alaska · 2443 days ago · 12 km deep · 20 km away
  9. 2.589 km W of Adak, Alaska · 2443 days ago · 10 km deep · 6 km away
  10. 2.873 km W of Adak, Alaska · 2443 days ago · 10 km deep · 10 km away
  11. 3.083 km W of Adak, Alaska · 2443 days ago · 5 km deep · 4 km away
  12. 1.987 km W of Adak, Alaska · 2443 days ago · 5 km deep · 4 km away
  13. 2.484 km W of Adak, Alaska · 2443 days ago · 6 km deep · 1 km away
  14. 3.092 km W of Adak, Alaska · 2443 days ago · 11 km deep · 9 km away
  15. 3.092 km W of Adak, Alaska · 2443 days ago · 6 km deep · 8 km away
  16. 2.376 km W of Adak, Alaska · 2443 days ago · 7 km deep · 8 km away
  17. 2.579 km W of Adak, Alaska · 2443 days ago · 10 km deep · 6 km away
  18. 2.383 km W of Adak, Alaska · 2443 days ago · 6 km deep · 1 km away
  19. 2.793 km W of Adak, Alaska · 2443 days ago · 10 km deep · 11 km away
  20. 2.892 km W of Adak, Alaska · 2443 days ago · 6 km deep · 9 km away
  21. 3.194 km W of Adak, Alaska · 2443 days ago · 9 km deep · 12 km away
  22. 2.494 km W of Adak, Alaska · 2443 days ago · 5 km deep · 11 km away
  23. 2.392 km W of Adak, Alaska · 2443 days ago · 7 km deep · 8 km away
  24. 2.875 km WNW of Adak, Alaska · 2443 days ago · 10 km deep · 20 km away
  25. 1.977 km W of Adak, Alaska · 2443 days ago · 7 km deep · 7 km away
  26. 2.494 km W of Adak, Alaska · 2443 days ago · 5 km deep · 10 km away
  27. 2.588 km W of Adak, Alaska · 2443 days ago · 3 km deep · 13 km away
  28. 3.087 km WNW of Adak, Alaska · 2443 days ago · 10 km deep · 23 km away
  29. 2.576 km W of Adak, Alaska · 2443 days ago · 6 km deep · 9 km away
  30. 2.675 km W of Adak, Alaska · 2443 days ago · 6 km deep · 8 km away
  31. 2.889 km W of Adak, Alaska · 2443 days ago · 10 km deep · 10 km away
  32. 3.184 km W of Adak, Alaska · 2443 days ago · 10 km deep · 10 km away
  33. 2.382 km W of Adak, Alaska · 2443 days ago · 2 km deep · 7 km away
  34. 1.986 km W of Adak, Alaska · 2443 days ago · 7 km deep · 2 km away
  35. 2.478 km W of Adak, Alaska · 2443 days ago · 5 km deep · 6 km away
  36. 2.187 km W of Adak, Alaska · 2443 days ago · 3 km deep · 4 km away
  37. 2.180 km W of Adak, Alaska · 2443 days ago · 7 km deep · 5 km away
  38. 1.884 km W of Adak, Alaska · 2443 days ago · 6 km deep · 1 km away
  39. 4.276 km W of Adak, Alaska · 2443 days ago · 10 km deep · 13 km away
  40. 2.378 km W of Adak, Alaska · 2443 days ago · 9 km deep · 5 km away
  41. 2.379 km W of Adak, Alaska · 2442 days ago · 4 km deep · 5 km away
  42. 2.384 km W of Adak, Alaska · 2442 days ago · 9 km deep · 2 km away
  43. 2.080 km W of Adak, Alaska · 2442 days ago · 10 km deep · 4 km away
  44. 2.477 km W of Adak, Alaska · 2442 days ago · 7 km deep · 8 km away
  45. 2.078 km W of Adak, Alaska · 2442 days ago · 9 km deep · 7 km away
  46. 2.182 km W of Adak, Alaska · 2442 days ago · 5 km deep · 6 km away
  47. 4.178 km W of Adak, Alaska · 2442 days ago · 12 km deep · 6 km away
  48. 1.887 km W of Adak, Alaska · 2442 days ago · 5 km deep · 4 km away
  49. 1.975 km W of Adak, Alaska · 2442 days ago · 6 km deep · 9 km away
  50. 4.080 km W of Adak, Alaska · 2442 days ago · 10 km deep · 6 km away
  51. 4.290 km W of Adak, Alaska · 2442 days ago · 10 km deep · 8 km away
  52. 1.992 km W of Adak, Alaska · 2442 days ago · 6 km deep · 8 km away
  53. 2.678 km W of Adak, Alaska · 2442 days ago · 10 km deep · 6 km away
  54. 2.277 km W of Adak, Alaska · 2442 days ago · 6 km deep · 7 km away
  55. 2.181 km W of Adak, Alaska · 2442 days ago · 4 km deep · 2 km away
  56. 2.175 km W of Adak, Alaska · 2442 days ago · 12 km deep · 9 km away
  57. 2.583 km W of Adak, Alaska · 2442 days ago · 10 km deep · 2 km away
  58. 2.289 km W of Adak, Alaska · 2442 days ago · 8 km deep · 6 km away
  59. 2.079 km W of Adak, Alaska · 2442 days ago · 5 km deep · 5 km away
  60. 3.091 km W of Adak, Alaska · 2442 days ago · 10 km deep · 8 km away

The first 60 of at least 201.

Before

  1. 3.185 km W of Adak, Alaska · 2443 days ago · 7 km deep · 1 km away
  2. 1.992 km W of Adak, Alaska · 2443 days ago · 5 km deep · 8 km away
  3. 2.793 km W of Adak, Alaska · 2443 days ago · 13 km deep · 10 km away
  4. 2.695 km WNW of Adak, Alaska · 2443 days ago · 10 km deep · 26 km away
  5. 1.989 km W of Adak, Alaska · 2443 days ago · 0 km deep · 6 km away
  6. 2.092 km W of Adak, Alaska · 2443 days ago · 5 km deep · 9 km away
  7. 2.595 km W of Adak, Alaska · 2443 days ago · 14 km deep · 12 km away
  8. 2.694 km W of Adak, Alaska · 2443 days ago · 17 km deep · 10 km away
  9. 2.382 km W of Adak, Alaska · 2443 days ago · 5 km deep · 2 km away
  10. 2.682 km W of Adak, Alaska · 2443 days ago · 10 km deep · 7 km away
  11. 2.491 km W of Adak, Alaska · 2443 days ago · 4 km deep · 7 km away
  12. 2.6Andreanof Islands, Aleutian Islands, Alaska · 2443 days ago · 10 km deep · 2 km away
  13. 1.584 km W of Adak, Alaska · 2443 days ago · 4 km deep · 1 km away
  14. 1.979 km W of Adak, Alaska · 2443 days ago · 4 km deep · 4 km away
  15. 2.775 km W of Adak, Alaska · 2443 days ago · 5 km deep · 10 km away
  16. 2.682 km W of Adak, Alaska · 2443 days ago · 10 km deep · 4 km away
  17. 2.674 km W of Adak, Alaska · 2443 days ago · 4 km deep · 9 km away
  18. 2.391 km W of Adak, Alaska · 2443 days ago · 4 km deep · 8 km away
  19. 1.689 km W of Adak, Alaska · 2443 days ago · 4 km deep · 6 km away
  20. 2.181 km W of Adak, Alaska · 2443 days ago · 8 km deep · 2 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event av62128221. Read Thu, Oct 1, 2026, 12:23 PM UTC.