Alaska earthquakes

M2.9 earthquake 138 km E of Atka, Alaska

A magnitude 2.9 earthquake struck 138 km E of Atka, Alaska on Wed, Apr 6, 2022, 6:01 AM HADT (15:01 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M3.7 167 km W of Nikolski, 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-04-06 15:01:53 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
52.019° N, 172.201° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.115 · 10 stations
2.5ML, local (Richter)Alaska Earthquake CenterPreliminary

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 7.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
205°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 56 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 2.0130 km SE of Atka, Alaska · 1639 days ago · 10 km deep · 71 km away
  2. 1.848 km E of Atka, Alaska · 1637 days ago · 75 km deep · 89 km away
  3. 3.3164 km SW of Nikolski, Alaska · 1636 days ago · 35 km deep · 90 km away
  4. 2.376 km E of Atka, Alaska · 1632 days ago · 13 km deep · 70 km away
  5. 2.188 km ESE of Atka, Alaska · 1631 days ago · 45 km deep · 57 km away
  6. 2.2101 km ESE of Atka, Alaska · 1631 days ago · 46 km deep · 41 km away
  7. 3.584 km ESE of Atka, Alaska · 1626 days ago · 35 km deep · 66 km away
  8. 3.6135 km E of Atka, Alaska · 1625 days ago · 72 km deep · 12 km away
  9. 2.170 km ESE of Atka, Alaska · 1624 days ago · 34 km deep · 77 km away
  10. 2.761 km E of Atka, Alaska · 1622 days ago · 154 km deep · 78 km away
  11. 2.163 km ESE of Atka, Alaska · 1621 days ago · 47 km deep · 77 km away
  12. 2.7195 km WSW of Nikolski, Alaska · 1618 days ago · 35 km deep · 61 km away
  13. 3.2194 km WSW of Nikolski, Alaska · 1617 days ago · 35 km deep · 62 km away
  14. 3.660 km ESE of Atka, Alaska · 1616 days ago · 57 km deep · 80 km away
  15. 3.085 km E of Atka, Alaska · 1616 days ago · 10 km deep · 52 km away
  16. 3.7167 km W of Nikolski, Alaska · 1615 days ago · 126 km deep · 95 km away
  17. 2.259 km E of Atka, Alaska · 1614 days ago · 98 km deep · 82 km away
  18. 3.6185 km SW of Nikolski, Alaska · 1612 days ago · 48 km deep · 81 km away
  19. 2.8110 km ENE of Atka, Alaska · 1610 days ago · 35 km deep · 59 km away
  20. 2.2179 km E of Atka, Alaska · 1608 days ago · 26 km deep · 42 km away
  21. 1.764 km SE of Atka, Alaska · 1606 days ago · 8 km deep · 95 km away
  22. 2.6163 km SW of Nikolski, Alaska · 1604 days ago · 35 km deep · 95 km away
  23. 1.854 km ESE of Atka, Alaska · 1603 days ago · 38 km deep · 85 km away
  24. 2.1174 km ENE of Atka, Alaska · 1601 days ago · 135 km deep · 77 km away
  25. 1.958 km E of Atka, Alaska · 1600 days ago · 115 km deep · 80 km away
  26. 3.1165 km WSW of Nikolski, Alaska · 1599 days ago · 19 km deep · 85 km away
  27. 1.564 km SE of Atka, Alaska · 1598 days ago · 5 km deep · 95 km away
  28. 2.190 km ESE of Atka, Alaska · 1598 days ago · 33 km deep · 57 km away
  29. 1.793 km SE of Atka, Alaska · 1597 days ago · 68 km deep · 68 km away
  30. 1.662 km SE of Atka, Alaska · 1597 days ago · 41 km deep · 88 km away
  31. 3.0201 km ESE of Atka, Alaska · 1596 days ago · 27 km deep · 64 km away
  32. 1.880 km ESE of Atka, Alaska · 1596 days ago · 33 km deep · 67 km away
  33. 1.760 km SE of Atka, Alaska · 1591 days ago · 59 km deep · 91 km away
  34. 2.3170 km E of Atka, Alaska · 1590 days ago · 30 km deep · 45 km away
  35. 2.580 km ESE of Atka, Alaska · 1590 days ago · 28 km deep · 64 km away
  36. 1.847 km ESE of Atka, Alaska · 1590 days ago · 66 km deep · 92 km away
  37. 2.580 km ESE of Atka, Alaska · 1589 days ago · 63 km deep · 64 km away
  38. 3.552 km ESE of Atka, Alaska · 1588 days ago · 74 km deep · 87 km away
  39. 3.3184 km SW of Nikolski, Alaska · 1588 days ago · 35 km deep · 73 km away
  40. 1.757 km E of Atka, Alaska · 1587 days ago · 35 km deep · 81 km away
  41. 3.5135 km E of Atka, Alaska · 1587 days ago · 10 km deep · 4 km away
  42. 1.965 km ESE of Atka, Alaska · 1586 days ago · 43 km deep · 82 km away
  43. 1.891 km SE of Atka, Alaska · 1586 days ago · 46 km deep · 70 km away
  44. 2.1176 km ESE of Atka, Alaska · 1586 days ago · 11 km deep · 47 km away
  45. 1.5117 km SE of Atka, Alaska · 1585 days ago · 27 km deep · 87 km away
  46. 2.7121 km ESE of Atka, Alaska · 1585 days ago · 35 km deep · 39 km away
  47. 1.872 km SE of Atka, Alaska · 1585 days ago · 22 km deep · 86 km away
  48. 2.2173 km ESE of Atka, Alaska · 1584 days ago · 29 km deep · 38 km away
  49. 2.2110 km SE of Atka, Alaska · 1582 days ago · 30 km deep · 92 km away
  50. 2.256 km E of Atka, Alaska · 1582 days ago · 93 km deep · 82 km away
  51. 2.061 km ESE of Atka, Alaska · 1582 days ago · 61 km deep · 81 km away
  52. 3.2151 km E of Atka, Alaska · 1581 days ago · 117 km deep · 50 km away
  53. 2.6171 km SW of Nikolski, Alaska · 1580 days ago · 32 km deep · 89 km away
  54. 1.980 km SE of Atka, Alaska · 1580 days ago · 45 km deep · 79 km away
  55. 1.977 km SE of Atka, Alaska · 1580 days ago · 49 km deep · 89 km away
  56. 1.653 km ESE of Atka, Alaska · 1580 days ago · 55 km deep · 91 km away

Before

  1. 2.768 km ESE of Atka, Alaska · 1643 days ago · 64 km deep · 71 km away
  2. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1643 days ago · 77 km deep · 58 km away
  3. 2.9151 km ENE of Atka, Alaska · 1644 days ago · 136 km deep · 56 km away
  4. 2.646 km ESE of Atka, Alaska · 1644 days ago · 10 km deep · 98 km away
  5. 2.5174 km E of Atka, Alaska · 1646 days ago · 19 km deep · 37 km away
  6. 3.1173 km WSW of Nikolski, Alaska · 1648 days ago · 10 km deep · 77 km away
  7. 1.963 km SE of Atka, Alaska · 1654 days ago · 44 km deep · 94 km away
  8. 2.757 km ESE of Atka, Alaska · 1656 days ago · 31 km deep · 84 km away
  9. 2.447 km E of Atka, Alaska · 1657 days ago · 81 km deep · 91 km away
  10. 3.4206 km ESE of Atka, Alaska · 1660 days ago · 32 km deep · 68 km away
  11. 3.3171 km WSW of Nikolski, Alaska · 1660 days ago · 94 km deep · 91 km away
  12. 1.752 km SE of Atka, Alaska · 1661 days ago · 30 km deep · 98 km away
  13. 2.7101 km SE of Atka, Alaska · 1663 days ago · 10 km deep · 98 km away
  14. 2.0108 km SE of Atka, Alaska · 1664 days ago · 25 km deep · 99 km away
  15. 2.0105 km SE of Atka, Alaska · 1664 days ago · 34 km deep · 95 km away
  16. 2.8191 km ESE of Atka, Alaska · 1667 days ago · 35 km deep · 54 km away
  17. 2.149 km ESE of Atka, Alaska · 1667 days ago · 57 km deep · 92 km away
  18. 2.187 km SE of Atka, Alaska · 1668 days ago · 13 km deep · 75 km away
  19. 2.4152 km E of Atka, Alaska · 1669 days ago · 67 km deep · 48 km away
  20. 2.0126 km E of Atka, Alaska · 1669 days ago · 33 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000hmqj (also filed as ak0224f0j5a4). Read Thu, Oct 1, 2026, 7:40 PM UTC.