Alaska earthquakes

M1.8 earthquake 87 km W of Adak, Alaska

A magnitude 1.8 earthquake struck 87 km W of Adak, Alaska on Thu, Jan 23, 2020, 5:12 PM HAST (03:12 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
1.8 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2020-01-24 03:12:48 UTC
Depth
4.9 km (3.1 mi), shallow
Epicenter
51.861° N, 177.906° 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, 1.3 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
181°, 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. 1.975 km W of Adak, Alaska · 2442 days ago · 6 km deep · 13 km away
  2. 4.080 km W of Adak, Alaska · 2442 days ago · 10 km deep · 8 km away
  3. 4.290 km W of Adak, Alaska · 2442 days ago · 10 km deep · 7 km away
  4. 1.992 km W of Adak, Alaska · 2442 days ago · 6 km deep · 5 km away
  5. 2.678 km W of Adak, Alaska · 2442 days ago · 10 km deep · 10 km away
  6. 2.277 km W of Adak, Alaska · 2442 days ago · 6 km deep · 10 km away
  7. 2.181 km W of Adak, Alaska · 2442 days ago · 4 km deep · 6 km away
  8. 2.175 km W of Adak, Alaska · 2442 days ago · 12 km deep · 12 km away
  9. 2.583 km W of Adak, Alaska · 2442 days ago · 10 km deep · 5 km away
  10. 2.289 km W of Adak, Alaska · 2442 days ago · 8 km deep · 3 km away
  11. 2.079 km W of Adak, Alaska · 2442 days ago · 5 km deep · 8 km away
  12. 3.091 km W of Adak, Alaska · 2442 days ago · 10 km deep · 5 km away
  13. 2.593 km W of Adak, Alaska · 2442 days ago · 2 km deep · 6 km away
  14. 2.890 km W of Adak, Alaska · 2442 days ago · 10 km deep · 4 km away
  15. 2.183 km W of Adak, Alaska · 2442 days ago · 5 km deep · 4 km away
  16. 1.978 km W of Adak, Alaska · 2442 days ago · 8 km deep · 9 km away
  17. 2.280 km W of Adak, Alaska · 2442 days ago · 12 km deep · 7 km away
  18. 2.084 km W of Adak, Alaska · 2442 days ago · 8 km deep · 4 km away
  19. 2.181 km W of Adak, Alaska · 2442 days ago · 8 km deep · 6 km away
  20. 2.077 km W of Adak, Alaska · 2442 days ago · 5 km deep · 10 km away
  21. 2.077 km W of Adak, Alaska · 2442 days ago · 5 km deep · 11 km away
  22. 2.985 km NW of Adak, Alaska · 2442 days ago · 195 km deep · 73 km away
  23. 2.088 km W of Adak, Alaska · 2442 days ago · 4 km deep · 1 km away
  24. 1.779 km W of Adak, Alaska · 2442 days ago · 8 km deep · 8 km away
  25. 2.093 km W of Adak, Alaska · 2442 days ago · 4 km deep · 6 km away
  26. 2.081 km W of Adak, Alaska · 2442 days ago · 13 km deep · 7 km away
  27. 1.974 km W of Adak, Alaska · 2442 days ago · 6 km deep · 13 km away
  28. 4.073 km W of Adak, Alaska · 2442 days ago · 10 km deep · 15 km away
  29. 2.182 km W of Adak, Alaska · 2442 days ago · 9 km deep · 8 km away
  30. 2.079 km W of Adak, Alaska · 2442 days ago · 4 km deep · 9 km away
  31. 1.879 km W of Adak, Alaska · 2442 days ago · 7 km deep · 8 km away
  32. 2.279 km W of Adak, Alaska · 2442 days ago · 6 km deep · 10 km away
  33. 2.382 km W of Adak, Alaska · 2442 days ago · 5 km deep · 6 km away
  34. 2.188 km W of Adak, Alaska · 2442 days ago · 6 km deep · 2 km away
  35. 1.588 km W of Adak, Alaska · 2442 days ago · 5 km deep · 1 km away
  36. 1.688 km W of Adak, Alaska · 2442 days ago · 3 km deep · 1 km away
  37. 2.174 km W of Adak, Alaska · 2442 days ago · 8 km deep · 13 km away
  38. 2.095 km W of Adak, Alaska · 2442 days ago · 5 km deep · 8 km away
  39. 2.187 km W of Adak, Alaska · 2442 days ago · -2 km deep · 1 km away
  40. 2.085 km W of Adak, Alaska · 2442 days ago · 8 km deep · 5 km away
  41. 1.689 km W of Adak, Alaska · 2442 days ago · 0 km deep · 2 km away
  42. 1.678 km W of Adak, Alaska · 2442 days ago · 7 km deep · 9 km away
  43. 2.079 km W of Adak, AK · 2442 days ago · 3 km deep · 9 km away
  44. 1.988 km W of Adak, Alaska · 2442 days ago · 9 km deep · 1 km away
  45. 2.179 km W of Adak, Alaska · 2442 days ago · 10 km deep · 8 km away
  46. 2.082 km W of Adak, Alaska · 2442 days ago · 2 km deep · 5 km away
  47. 2.384 km W of Adak, Alaska · 2442 days ago · 7 km deep · 4 km away
  48. 1.979 km W of Adak, Alaska · 2442 days ago · 5 km deep · 8 km away
  49. 2.489 km W of Adak, Alaska · 2442 days ago · 4 km deep · 2 km away
  50. 1.880 km W of Adak, Alaska · 2442 days ago · 8 km deep · 10 km away
  51. 1.979 km W of Adak, Alaska · 2442 days ago · 9 km deep · 9 km away
  52. 2.179 km W of Adak, Alaska · 2442 days ago · 5 km deep · 8 km away
  53. 2.3Andreanof Islands, Aleutian Islands, Alaska · 2442 days ago · 7 km deep · 2 km away
  54. 2.388 km W of Adak, Alaska · 2442 days ago · 7 km deep · 2 km away
  55. 1.978 km W of Adak, Alaska · 2441 days ago · 6 km deep · 9 km away
  56. 1.877 km W of Adak, Alaska · 2441 days ago · 5 km deep · 11 km away
  57. 1.880 km W of Adak, Alaska · 2441 days ago · 11 km deep · 8 km away
  58. 1.681 km W of Adak, AK · 2441 days ago · 12 km deep · 9 km away
  59. 1.877 km W of Adak, Alaska · 2441 days ago · 6 km deep · 11 km away
  60. 2.776 km W of Adak, Alaska · 2441 days ago · 10 km deep · 13 km away

The first 60 of at least 201.

Before

  1. 4.178 km W of Adak, Alaska · 2442 days ago · 12 km deep · 10 km away
  2. 2.182 km W of Adak, Alaska · 2442 days ago · 5 km deep · 8 km away
  3. 2.078 km W of Adak, Alaska · 2442 days ago · 9 km deep · 11 km away
  4. 2.477 km W of Adak, Alaska · 2442 days ago · 7 km deep · 11 km away
  5. 2.080 km W of Adak, Alaska · 2442 days ago · 10 km deep · 8 km away
  6. 2.384 km W of Adak, Alaska · 2442 days ago · 9 km deep · 5 km away
  7. 2.379 km W of Adak, Alaska · 2442 days ago · 4 km deep · 8 km away
  8. 2.378 km W of Adak, Alaska · 2442 days ago · 9 km deep · 9 km away
  9. 4.276 km W of Adak, Alaska · 2442 days ago · 10 km deep · 16 km away
  10. 1.884 km W of Adak, Alaska · 2442 days ago · 6 km deep · 3 km away
  11. 2.180 km W of Adak, Alaska · 2442 days ago · 7 km deep · 8 km away
  12. 2.187 km W of Adak, Alaska · 2442 days ago · 3 km deep · 0 km away
  13. 2.478 km W of Adak, Alaska · 2442 days ago · 5 km deep · 10 km away
  14. 1.986 km W of Adak, Alaska · 2443 days ago · 7 km deep · 2 km away
  15. 2.382 km W of Adak, Alaska · 2443 days ago · 2 km deep · 8 km away
  16. 3.184 km W of Adak, Alaska · 2443 days ago · 10 km deep · 10 km away
  17. 2.889 km W of Adak, Alaska · 2443 days ago · 10 km deep · 8 km away
  18. 2.675 km W of Adak, Alaska · 2443 days ago · 6 km deep · 12 km away
  19. 2.576 km W of Adak, Alaska · 2443 days ago · 6 km deep · 12 km away
  20. 3.087 km WNW of Adak, Alaska · 2443 days ago · 10 km deep · 23 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event av62128396. Read Thu, Oct 1, 2026, 11:05 AM UTC.