Alaska earthquakes

M1.9 earthquake 87 km W of Adak, Alaska

A magnitude 1.9 earthquake struck 87 km W of Adak, Alaska on Thu, Jan 23, 2020, 8:25 AM HAST (18:25 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 18:25:06 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
51.864° N, 177.907° 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 0.5 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.34
Depth from
From location
Station coverage gap
184°, poorly surrounded by stations
Stations used
3

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. 2.484 km W of Adak, Alaska · 2442 days ago · 6 km deep · 3 km away
  2. 3.092 km W of Adak, Alaska · 2442 days ago · 11 km deep · 5 km away
  3. 3.092 km W of Adak, Alaska · 2442 days ago · 6 km deep · 5 km away
  4. 2.376 km W of Adak, Alaska · 2442 days ago · 7 km deep · 12 km away
  5. 2.579 km W of Adak, Alaska · 2442 days ago · 10 km deep · 10 km away
  6. 2.383 km W of Adak, Alaska · 2442 days ago · 6 km deep · 5 km away
  7. 2.793 km W of Adak, Alaska · 2442 days ago · 10 km deep · 7 km away
  8. 2.892 km W of Adak, Alaska · 2442 days ago · 6 km deep · 5 km away
  9. 3.194 km W of Adak, Alaska · 2442 days ago · 9 km deep · 8 km away
  10. 2.494 km W of Adak, Alaska · 2442 days ago · 5 km deep · 7 km away
  11. 2.392 km W of Adak, Alaska · 2442 days ago · 7 km deep · 5 km away
  12. 2.875 km WNW of Adak, Alaska · 2442 days ago · 10 km deep · 21 km away
  13. 1.977 km W of Adak, Alaska · 2442 days ago · 7 km deep · 11 km away
  14. 2.494 km W of Adak, Alaska · 2442 days ago · 5 km deep · 7 km away
  15. 2.588 km W of Adak, Alaska · 2442 days ago · 3 km deep · 12 km away
  16. 3.087 km WNW of Adak, Alaska · 2442 days ago · 10 km deep · 22 km away
  17. 2.576 km W of Adak, Alaska · 2442 days ago · 6 km deep · 13 km away
  18. 2.675 km W of Adak, Alaska · 2442 days ago · 6 km deep · 12 km away
  19. 2.889 km W of Adak, Alaska · 2442 days ago · 10 km deep · 7 km away
  20. 3.184 km W of Adak, Alaska · 2442 days ago · 10 km deep · 9 km away
  21. 2.382 km W of Adak, Alaska · 2442 days ago · 2 km deep · 8 km away
  22. 1.986 km W of Adak, Alaska · 2442 days ago · 7 km deep · 2 km away
  23. 2.478 km W of Adak, Alaska · 2442 days ago · 5 km deep · 10 km away
  24. 2.187 km W of Adak, Alaska · 2442 days ago · 3 km deep · 1 km away
  25. 2.180 km W of Adak, Alaska · 2442 days ago · 7 km deep · 8 km away
  26. 1.884 km W of Adak, Alaska · 2442 days ago · 6 km deep · 3 km away
  27. 4.276 km W of Adak, Alaska · 2442 days ago · 10 km deep · 17 km away
  28. 2.378 km W of Adak, Alaska · 2442 days ago · 9 km deep · 9 km away
  29. 2.379 km W of Adak, Alaska · 2442 days ago · 4 km deep · 8 km away
  30. 2.384 km W of Adak, Alaska · 2442 days ago · 9 km deep · 5 km away
  31. 2.080 km W of Adak, Alaska · 2442 days ago · 10 km deep · 8 km away
  32. 2.477 km W of Adak, Alaska · 2442 days ago · 7 km deep · 12 km away
  33. 2.078 km W of Adak, Alaska · 2442 days ago · 9 km deep · 11 km away
  34. 2.182 km W of Adak, Alaska · 2442 days ago · 5 km deep · 9 km away
  35. 4.178 km W of Adak, Alaska · 2442 days ago · 12 km deep · 10 km away
  36. 1.887 km W of Adak, Alaska · 2442 days ago · 5 km deep · 0 km away
  37. 1.975 km W of Adak, Alaska · 2442 days ago · 6 km deep · 13 km away
  38. 4.080 km W of Adak, Alaska · 2442 days ago · 10 km deep · 8 km away
  39. 4.290 km W of Adak, Alaska · 2442 days ago · 10 km deep · 7 km away
  40. 1.992 km W of Adak, Alaska · 2442 days ago · 6 km deep · 5 km away
  41. 2.678 km W of Adak, Alaska · 2442 days ago · 10 km deep · 10 km away
  42. 2.277 km W of Adak, Alaska · 2442 days ago · 6 km deep · 11 km away
  43. 2.181 km W of Adak, Alaska · 2442 days ago · 4 km deep · 6 km away
  44. 2.175 km W of Adak, Alaska · 2442 days ago · 12 km deep · 13 km away
  45. 2.583 km W of Adak, Alaska · 2442 days ago · 10 km deep · 5 km away
  46. 2.289 km W of Adak, Alaska · 2442 days ago · 8 km deep · 4 km away
  47. 2.079 km W of Adak, Alaska · 2442 days ago · 5 km deep · 8 km away
  48. 3.091 km W of Adak, Alaska · 2442 days ago · 10 km deep · 5 km away
  49. 2.593 km W of Adak, Alaska · 2442 days ago · 2 km deep · 6 km away
  50. 2.890 km W of Adak, Alaska · 2442 days ago · 10 km deep · 4 km away
  51. 2.183 km W of Adak, Alaska · 2442 days ago · 5 km deep · 4 km away
  52. 1.978 km W of Adak, Alaska · 2442 days ago · 8 km deep · 9 km away
  53. 2.280 km W of Adak, Alaska · 2442 days ago · 12 km deep · 8 km away
  54. 2.084 km W of Adak, Alaska · 2442 days ago · 8 km deep · 4 km away
  55. 2.181 km W of Adak, Alaska · 2442 days ago · 8 km deep · 6 km away
  56. 2.077 km W of Adak, Alaska · 2442 days ago · 5 km deep · 10 km away
  57. 2.077 km W of Adak, Alaska · 2442 days ago · 5 km deep · 11 km away
  58. 2.985 km NW of Adak, Alaska · 2442 days ago · 195 km deep · 73 km away
  59. 2.088 km W of Adak, Alaska · 2442 days ago · 4 km deep · 2 km away
  60. 1.779 km W of Adak, Alaska · 2442 days ago · 8 km deep · 8 km away

The first 60 of at least 201.

Before

  1. 3.083 km W of Adak, Alaska · 2442 days ago · 5 km deep · 6 km away
  2. 2.873 km W of Adak, Alaska · 2442 days ago · 10 km deep · 14 km away
  3. 2.589 km W of Adak, Alaska · 2442 days ago · 10 km deep · 4 km away
  4. 2.264 km W of Adak, Alaska · 2442 days ago · 12 km deep · 24 km away
  5. 2.292 km W of Adak, Alaska · 2442 days ago · 3 km deep · 5 km away
  6. 2.388 km W of Adak, Alaska · 2442 days ago · 6 km deep · 2 km away
  7. 2.889 km W of Adak, Alaska · 2442 days ago · 9 km deep · 2 km away
  8. 1.887 km W of Adak, Alaska · 2442 days ago · 4 km deep · 0 km away
  9. 1.876 km W of Adak, Alaska · 2442 days ago · 6 km deep · 11 km away
  10. 2.075 km W of Adak, Alaska · 2442 days ago · 6 km deep · 13 km away
  11. 2.284 km W of Adak, Alaska · 2442 days ago · 4 km deep · 5 km away
  12. 1.983 km W of Adak, Alaska · 2442 days ago · 5 km deep · 4 km away
  13. 3.185 km W of Adak, Alaska · 2442 days ago · 7 km deep · 3 km away
  14. 1.992 km W of Adak, Alaska · 2442 days ago · 5 km deep · 5 km away
  15. 2.793 km W of Adak, Alaska · 2442 days ago · 13 km deep · 6 km away
  16. 2.695 km WNW of Adak, Alaska · 2442 days ago · 10 km deep · 24 km away
  17. 1.989 km W of Adak, Alaska · 2442 days ago · 0 km deep · 3 km away
  18. 2.092 km W of Adak, Alaska · 2442 days ago · 5 km deep · 5 km away
  19. 2.595 km W of Adak, Alaska · 2442 days ago · 14 km deep · 8 km away
  20. 2.694 km W of Adak, Alaska · 2442 days ago · 17 km deep · 6 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event av62128266. Read Thu, Oct 1, 2026, 3:49 AM UTC.