Alaska earthquakes

M2.8 earthquake 80 km NE of Adak, Alaska

A magnitude 2.8 earthquake struck 80 km NE of Adak, Alaska on Mon, Apr 11, 2022, 8:41 AM HADT (17:41 UTC), 161 km (100 mi) below the surface.

A larger quake followed: M4.5 62 km NNW of Atka, 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-04-11 17:41:23 UTC
Depth
160.7 km (99.8 mi), intermediate-depth
Epicenter
52.372° N, 175.781° 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
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 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 14.0 km horizontally, 6.1 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
202°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 3.6Andreanof Islands, Aleutian Islands, Alaska · 1634 days ago · 82 km deep · 67 km away
  2. 1.635 km SSE of Adak, Alaska · 1634 days ago · 50 km deep · 96 km away
  3. 2.551 km NE of Adak, Alaska · 1634 days ago · 188 km deep · 29 km away
  4. 1.539 km SSE of Adak, Alaska · 1633 days ago · 31 km deep · 98 km away
  5. 1.762 km SE of Adak, Alaska · 1633 days ago · 23 km deep · 98 km away
  6. 1.545 km SW of Atka, Alaska · 1633 days ago · 19 km deep · 88 km away
  7. 2.691 km SW of Atka, Alaska · 1632 days ago · 35 km deep · 99 km away
  8. 3.776 km ESE of Adak, Alaska · 1630 days ago · 35 km deep · 84 km away
  9. 3.662 km SE of Adak, Alaska · 1630 days ago · 42 km deep · 96 km away
  10. 3.6Andreanof Islands, Aleutian Islands, Alaska · 1630 days ago · 49 km deep · 94 km away
  11. 2.068 km ESE of Adak, Alaska · 1627 days ago · 35 km deep · 76 km away
  12. 2.133 km SW of Atka, Alaska · 1626 days ago · 72 km deep · 94 km away
  13. 2.755 km NNW of Atka, Alaska · 1625 days ago · 171 km deep · 89 km away
  14. 1.911 km E of Adak, Alaska · 1625 days ago · 85 km deep · 72 km away
  15. 2.371 km ESE of Adak, Alaska · 1625 days ago · 26 km deep · 94 km away
  16. 3.477 km NW of Atka, Alaska · 1625 days ago · 200 km deep · 76 km away
  17. 3.791 km SW of Atka, Alaska · 1624 days ago · 19 km deep · 83 km away
  18. 1.653 km SE of Adak, Alaska · 1623 days ago · 25 km deep · 95 km away
  19. 2.264 km NE of Adak, Alaska · 1623 days ago · 165 km deep · 18 km away
  20. 1.57 km ESE of Adak, Alaska · 1623 days ago · 84 km deep · 77 km away
  21. 2.783 km NNE of Adak, Alaska · 1621 days ago · 173 km deep · 29 km away
  22. 2.378 km ENE of Adak, Alaska · 1619 days ago · 155 km deep · 17 km away
  23. 4.562 km NNW of Atka, Alaska · 1619 days ago · 193 km deep · 94 km away
  24. 1.673 km ENE of Adak, Alaska · 1618 days ago · 7 km deep · 37 km away
  25. 3.723 km NNW of Atka, Alaska · 1618 days ago · 102 km deep · 95 km away
  26. 1.753 km WSW of Atka, Alaska · 1618 days ago · 81 km deep · 79 km away
  27. 2.757 km ENE of Adak, Alaska · 1616 days ago · 237 km deep · 31 km away
  28. 2.881 km NNE of Adak, Alaska · 1611 days ago · 225 km deep · 37 km away
  29. 1.935 km W of Atka, Alaska · 1610 days ago · 7 km deep · 74 km away
  30. 2.024 km NNW of Atka, Alaska · 1610 days ago · 133 km deep · 96 km away
  31. 2.371 km ENE of Adak, Alaska · 1609 days ago · 237 km deep · 25 km away
  32. 2.926 km NNW of Atka, Alaska · 1609 days ago · 232 km deep · 94 km away
  33. 2.057 km NE of Adak, Alaska · 1608 days ago · 167 km deep · 23 km away
  34. 1.61 km ENE of Adak, Alaska · 1607 days ago · 8 km deep · 79 km away
  35. 1.665 km SE of Adak, Alaska · 1607 days ago · 27 km deep · 98 km away
  36. 3.47 km SE of Adak, Alaska · 1606 days ago · 10 km deep · 81 km away · felt by 1
  37. 2.088 km SW of Atka, Alaska · 1606 days ago · 26 km deep · 99 km away
  38. 2.583 km ENE of Adak, Alaska · 1605 days ago · 152 km deep · 37 km away
  39. 1.555 km SE of Adak, Alaska · 1604 days ago · 41 km deep · 97 km away
  40. 2.026 km E of Adak, Alaska · 1604 days ago · 180 km deep · 68 km away
  41. 1.943 km W of Atka, Alaska · 1603 days ago · 5 km deep · 69 km away
  42. 1.950 km NE of Adak, Alaska · 1603 days ago · 151 km deep · 31 km away
  43. 1.846 km WSW of Atka, Alaska · 1603 days ago · 139 km deep · 78 km away
  44. 3.596 km ESE of Adak, Alaska · 1603 days ago · 35 km deep · 92 km away
  45. 1.648 km NE of Adak, Alaska · 1603 days ago · 136 km deep · 35 km away
  46. 1.646 km ENE of Adak, Alaska · 1603 days ago · 139 km deep · 36 km away
  47. 1.764 km SE of Adak, Alaska · 1602 days ago · 30 km deep · 97 km away
  48. 1.983 km SW of Atka, Alaska · 1602 days ago · 57 km deep · 79 km away
  49. 1.857 km ESE of Adak, Alaska · 1602 days ago · 59 km deep · 72 km away
  50. 1.728 km ESE of Adak, Alaska · 1601 days ago · 68 km deep · 75 km away
  51. 1.823 km SE of Adak, Alaska · 1600 days ago · 70 km deep · 79 km away
  52. 1.653 km SE of Adak, Alaska · 1600 days ago · 45 km deep · 88 km away
  53. 3.123 km NW of Atka, Alaska · 1599 days ago · 208 km deep · 89 km away
  54. 1.560 km E of Adak, Alaska · 1597 days ago · 83 km deep · 46 km away
  55. 2.757 km ESE of Adak, Alaska · 1597 days ago · 42 km deep · 85 km away
  56. 2.045 km ESE of Adak, Alaska · 1596 days ago · 69 km deep · 68 km away
  57. 1.934 km SW of Atka, Alaska · 1596 days ago · 72 km deep · 96 km away
  58. 2.04 km ENE of Adak, Alaska · 1596 days ago · 5 km deep · 76 km away
  59. 3.131 km SW of Atka, Alaska · 1596 days ago · 227 km deep · 97 km away
  60. 2.460 km NE of Adak, Alaska · 1594 days ago · 184 km deep · 20 km away

The first 60 of 97.

Before

  1. 1.9101 km ESE of Adak, Alaska · 1635 days ago · 44 km deep · 99 km away
  2. 2.337 km ENE of Adak, Alaska · 1636 days ago · 127 km deep · 45 km away
  3. 1.880 km ENE of Adak, Alaska · 1636 days ago · 15 km deep · 38 km away
  4. 1.936 km ESE of Adak, Alaska · 1636 days ago · 57 km deep · 75 km away
  5. 2.345 km E of Adak, Alaska · 1636 days ago · 79 km deep · 53 km away
  6. 1.619 km SW of Atka, Alaska · 1637 days ago · 10 km deep · 99 km away
  7. 1.520 km SE of Adak, Alaska · 1638 days ago · 63 km deep · 85 km away
  8. 1.965 km WSW of Atka, Alaska · 1640 days ago · 65 km deep · 70 km away
  9. 2.140 km SW of Atka, Alaska · 1640 days ago · 148 km deep · 100 km away
  10. 2.669 km ESE of Adak, Alaska · 1640 days ago · 33 km deep · 88 km away
  11. 2.747 km ENE of Adak, Alaska · 1640 days ago · 133 km deep · 45 km away
  12. 3.169 km SW of Atka, Alaska · 1641 days ago · 67 km deep · 90 km away
  13. 2.665 km ENE of Adak, Alaska · 1643 days ago · 199 km deep · 35 km away
  14. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1644 days ago · 245 km deep · 40 km away
  15. 1.630 km ESE of Adak, Alaska · 1645 days ago · 70 km deep · 77 km away
  16. 1.768 km ESE of Adak, Alaska · 1646 days ago · 14 km deep · 70 km away
  17. 1.927 km E of Adak, Alaska · 1646 days ago · 73 km deep · 67 km away
  18. 1.741 km SW of Atka, Alaska · 1647 days ago · 72 km deep · 87 km away
  19. 1.973 km SW of Atka, Alaska · 1647 days ago · 42 km deep · 84 km away
  20. 1.781 km ENE of Adak, Alaska · 1647 days ago · 13 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000h209 (also filed as ak0224nbn9ca). Read Fri, Oct 2, 2026, 8:01 PM UTC.