Alaska earthquakes

M1.7 earthquake 260 km W of Adak, Alaska

A magnitude 1.7 earthquake struck 260 km W of Adak, Alaska on Tue, Feb 8, 2022, 10:04 PM GMT+12 (10:04 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.8 Rat Islands, Aleutian Islands, 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
1.7 (ml), micro
Local time
UTC
2022-02-08 10:04:34 UTC
Depth
21.1 km (13.1 mi), shallow
Epicenter
51.854° N, 179.586° E
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 1.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.36
Depth from
From location
Station coverage gap
315°, poorly surrounded by stations
Stations used
4

Nearby

Within 100 km, magnitude 1.5 and up: 166 in the 60 days after this one and 179 in the 30 days before it.

After

  1. 1.7257 km W of Adak, Alaska · 1695 days ago · 14 km deep · 4 km away
  2. 2.2Rat Islands, Aleutian Islands, Alaska · 1695 days ago · 97 km deep · 66 km away
  3. 3.1Rat Islands, Aleutian Islands, Alaska · 1695 days ago · 83 km deep · 65 km away
  4. 2.2184 km W of Adak, Alaska · 1695 days ago · 80 km deep · 78 km away
  5. 2.0Rat Islands, Aleutian Islands, Alaska · 1694 days ago · 2 km deep · 83 km away
  6. 1.6Rat Islands, Aleutian Islands, Alaska · 1694 days ago · 5 km deep · 82 km away
  7. 1.8Rat Islands, Aleutian Islands, Alaska · 1694 days ago · -2 km deep · 87 km away
  8. 3.2Rat Islands, Aleutian Islands, Alaska · 1692 days ago · 10 km deep · 97 km away
  9. 1.8Rat Islands, Aleutian Islands, Alaska · 1692 days ago · -1 km deep · 90 km away
  10. 2.7291 km WSW of Adak, Alaska · 1692 days ago · 27 km deep · 79 km away
  11. 2.8Rat Islands, Aleutian Islands, Alaska · 1691 days ago · 35 km deep · 92 km away
  12. 2.7246 km WSW of Adak, Alaska · 1691 days ago · 35 km deep · 90 km away
  13. 3.5189 km W of Adak, Alaska · 1691 days ago · 186 km deep · 76 km away
  14. 1.6Rat Islands, Aleutian Islands, Alaska · 1689 days ago · 9 km deep · 87 km away
  15. 2.2Rat Islands, Aleutian Islands, Alaska · 1689 days ago · 40 km deep · 68 km away
  16. 2.9202 km WSW of Adak, Alaska · 1688 days ago · 28 km deep · 88 km away
  17. 2.6Rat Islands, Aleutian Islands, Alaska · 1688 days ago · 10 km deep · 96 km away
  18. 2.6Rat Islands, Aleutian Islands, Alaska · 1686 days ago · 93 km deep · 72 km away
  19. 2.2Andreanof Islands, Aleutian Islands, Alaska · 1685 days ago · 105 km deep · 87 km away
  20. 2.5Rat Islands, Aleutian Islands, Alaska · 1685 days ago · 83 km deep · 74 km away
  21. 2.7Rat Islands, Aleutian Islands, Alaska · 1685 days ago · 10 km deep · 97 km away
  22. 1.9Rat Islands, Aleutian Islands, Alaska · 1684 days ago · 6 km deep · 79 km away
  23. 2.7Rat Islands, Aleutian Islands, Alaska · 1684 days ago · 45 km deep · 80 km away
  24. 2.7280 km WSW of Adak, Alaska · 1683 days ago · 28 km deep · 92 km away
  25. 3.9213 km WSW of Adak, Alaska · 1683 days ago · 35 km deep · 98 km away
  26. 2.2Rat Islands, Aleutian Islands, Alaska · 1683 days ago · 84 km deep · 57 km away
  27. 2.6Rat Islands, Aleutian Islands, Alaska · 1683 days ago · 10 km deep · 92 km away
  28. 2.2299 km W of Adak, Alaska · 1681 days ago · 78 km deep · 42 km away
  29. 1.7Rat Islands, Aleutian Islands, Alaska · 1680 days ago · 4 km deep · 88 km away
  30. 2.9Rat Islands, Aleutian Islands, Alaska · 1680 days ago · 112 km deep · 92 km away
  31. 2.9Rat Islands, Aleutian Islands, Alaska · 1679 days ago · 12 km deep · 95 km away
  32. 1.7Rat Islands, Aleutian Islands, Alaska · 1679 days ago · -1 km deep · 91 km away
  33. 3.1204 km W of Adak, Alaska · 1678 days ago · 100 km deep · 61 km away
  34. 4.8Rat Islands, Aleutian Islands, Alaska · 1678 days ago · 102 km deep · 81 km away
  35. 2.6Rat Islands, Aleutian Islands, Alaska · 1677 days ago · 10 km deep · 89 km away
  36. 4.0Rat Islands, Aleutian Islands, Alaska · 1677 days ago · 5 km deep · 92 km away
  37. 2.8Rat Islands, Aleutian Islands, Alaska · 1677 days ago · 10 km deep · 97 km away
  38. 1.9Rat Islands, Aleutian Islands, Alaska · 1676 days ago · 8 km deep · 87 km away
  39. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1676 days ago · 10 km deep · 93 km away
  40. 2.0248 km WSW of Adak, Alaska · 1676 days ago · 26 km deep · 93 km away
  41. 1.9Rat Islands, Aleutian Islands, Alaska · 1676 days ago · 11 km deep · 36 km away
  42. 2.9Rat Islands, Aleutian Islands, Alaska · 1675 days ago · 4 km deep · 93 km away
  43. 2.8Rat Islands, Aleutian Islands, Alaska · 1674 days ago · 10 km deep · 96 km away
  44. 2.8Rat Islands, Aleutian Islands, Alaska · 1674 days ago · 108 km deep · 49 km away
  45. 3.0Rat Islands, Aleutian Islands, Alaska · 1674 days ago · 92 km deep · 67 km away
  46. 2.7Rat Islands, Aleutian Islands, Alaska · 1674 days ago · 4 km deep · 89 km away
  47. 2.2Rat Islands, Aleutian Islands, Alaska · 1674 days ago · -3 km deep · 87 km away
  48. 2.2Rat Islands, Aleutian Islands, Alaska · 1673 days ago · 22 km deep · 80 km away
  49. 2.5Rat Islands, Aleutian Islands, Alaska · 1673 days ago · 10 km deep · 90 km away
  50. 3.7Rat Islands, Aleutian Islands, Alaska · 1673 days ago · 10 km deep · 96 km away
  51. 2.9Rat Islands, Aleutian Islands, Alaska · 1673 days ago · 10 km deep · 99 km away
  52. 2.1Rat Islands, Aleutian Islands, Alaska · 1672 days ago · 54 km deep · 56 km away
  53. 2.1Rat Islands, Aleutian Islands, Alaska · 1672 days ago · 6 km deep · 77 km away
  54. 2.1240 km WSW of Adak, Alaska · 1671 days ago · 59 km deep · 51 km away
  55. 2.8Rat Islands, Aleutian Islands, Alaska · 1671 days ago · 5 km deep · 91 km away
  56. 1.6Rat Islands, Aleutian Islands, Alaska · 1671 days ago · 7 km deep · 92 km away
  57. 1.9Rat Islands, Aleutian Islands, Alaska · 1671 days ago · 4 km deep · 81 km away
  58. 2.0Rat Islands, Aleutian Islands, Alaska · 1671 days ago · 7 km deep · 89 km away
  59. 3.2295 km WSW of Adak, Alaska · 1671 days ago · 30 km deep · 74 km away
  60. 3.3Rat Islands, Aleutian Islands, Alaska · 1670 days ago · 12 km deep · 94 km away

The first 60 of 166.

Before

  1. 2.5Rat Islands, Aleutian Islands, Alaska · 1696 days ago · 77 km deep · 62 km away
  2. 2.2259 km W of Adak, Alaska · 1696 days ago · 4 km deep · 7 km away
  3. 1.9251 km W of Adak, Alaska · 1697 days ago · 72 km deep · 28 km away
  4. 2.8291 km WSW of Adak, Alaska · 1697 days ago · 26 km deep · 89 km away
  5. 1.5172 km W of Adak, Alaska · 1697 days ago · 23 km deep · 89 km away
  6. 2.5293 km W of Adak, Alaska · 1697 days ago · 154 km deep · 39 km away
  7. 3.0Rat Islands, Aleutian Islands, Alaska · 1698 days ago · 117 km deep · 84 km away
  8. 1.6Rat Islands, Aleutian Islands, Alaska · 1698 days ago · 4 km deep · 88 km away
  9. 2.1257 km WSW of Adak, Alaska · 1698 days ago · 47 km deep · 50 km away
  10. 2.8255 km W of Adak, Alaska · 1699 days ago · 4 km deep · 9 km away
  11. 1.9197 km WSW of Adak, Alaska · 1699 days ago · 8 km deep · 87 km away
  12. 2.6260 km WSW of Adak, Alaska · 1699 days ago · 55 km deep · 50 km away
  13. 2.0Rat Islands, Aleutian Islands, Alaska · 1700 days ago · 4 km deep · 89 km away
  14. 2.0Rat Islands, Aleutian Islands, Alaska · 1700 days ago · 5 km deep · 89 km away
  15. 2.5Rat Islands, Aleutian Islands, Alaska · 1700 days ago · 10 km deep · 97 km away
  16. 3.4Rat Islands, Aleutian Islands, Alaska · 1700 days ago · 10 km deep · 97 km away
  17. 2.4Rat Islands, Aleutian Islands, Alaska · 1700 days ago · 6 km deep · 83 km away
  18. 2.3Rat Islands, Aleutian Islands, Alaska · 1701 days ago · 1 km deep · 89 km away
  19. 1.7Rat Islands, Aleutian Islands, Alaska · 1701 days ago · 9 km deep · 87 km away
  20. 2.6260 km W of Adak, Alaska · 1702 days ago · 61 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91049188. Read Wed, Sep 30, 2026, 8:51 PM UTC.