Alaska earthquakes

M3.4 earthquake 70 km SSW of Adak, Alaska

A magnitude 3.4 earthquake struck 70 km SSW of Adak, Alaska on Wed, May 25, 2022, 8:59 AM HADT (17:59 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.0 129 km WSW of Adak, 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
3.4 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-05-25 17:59:57 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.293° N, 177.031° 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
3.4ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.115 · 10 stations
2.8ML, 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 2.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
222°, poorly surrounded by stations
Stations used
15

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 110 in the 30 days before it.

After

  1. 1.518 km SSW of Adak, Alaska · 1591 days ago · 70 km deep · 52 km away
  2. 1.6113 km WSW of Adak, Alaska · 1590 days ago · 13 km deep · 87 km away
  3. 1.685 km WSW of Adak, Alaska · 1590 days ago · 76 km deep · 69 km away
  4. 2.6100 km WSW of Adak, Alaska · 1590 days ago · 64 km deep · 67 km away
  5. 1.653 km SW of Adak, Alaska · 1590 days ago · 38 km deep · 20 km away
  6. 1.754 km S of Adak, Alaska · 1589 days ago · 38 km deep · 25 km away
  7. 1.6114 km SW of Adak, Alaska · 1589 days ago · 26 km deep · 56 km away
  8. 2.963 km SSW of Adak, Alaska · 1589 days ago · 35 km deep · 11 km away
  9. 1.657 km SSW of Adak, Alaska · 1589 days ago · 36 km deep · 13 km away
  10. 1.564 km SSW of Adak, Alaska · 1589 days ago · 31 km deep · 14 km away
  11. 1.555 km WSW of Adak, Alaska · 1589 days ago · 77 km deep · 51 km away
  12. 3.083 km SE of Adak, Alaska · 1589 days ago · 36 km deep · 91 km away
  13. 1.577 km SE of Adak, Alaska · 1589 days ago · 23 km deep · 89 km away
  14. 1.675 km SE of Adak, Alaska · 1588 days ago · 13 km deep · 86 km away
  15. 1.7141 km WSW of Adak, Alaska · 1588 days ago · 22 km deep · 93 km away
  16. 1.671 km SE of Adak, Alaska · 1588 days ago · 42 km deep · 87 km away
  17. 1.9120 km WSW of Adak, Alaska · 1588 days ago · 33 km deep · 79 km away
  18. 1.871 km SE of Adak, Alaska · 1588 days ago · 44 km deep · 81 km away
  19. 1.554 km WSW of Adak, Alaska · 1588 days ago · 13 km deep · 50 km away
  20. 3.146 km WSW of Adak, Alaska · 1587 days ago · 102 km deep · 54 km away
  21. 1.653 km ESE of Adak, Alaska · 1587 days ago · 62 km deep · 95 km away
  22. 2.5120 km SW of Adak, Alaska · 1587 days ago · 37 km deep · 71 km away
  23. 3.370 km SSE of Adak, Alaska · 1587 days ago · 35 km deep · 66 km away
  24. 1.855 km SSE of Adak, Alaska · 1586 days ago · 21 km deep · 51 km away
  25. 5.0129 km WSW of Adak, Alaska · 1586 days ago · 48 km deep · 91 km away · felt by 1 · tsunami flag
  26. 1.7133 km WSW of Adak, Alaska · 1586 days ago · 17 km deep · 87 km away
  27. 1.8128 km WSW of Adak, Alaska · 1586 days ago · 21 km deep · 84 km away
  28. 2.0131 km WSW of Adak, Alaska · 1586 days ago · 23 km deep · 86 km away
  29. 1.9131 km WSW of Adak, Alaska · 1586 days ago · 23 km deep · 86 km away
  30. 2.9134 km WSW of Adak, Alaska · 1585 days ago · 38 km deep · 88 km away
  31. 2.0130 km WSW of Adak, Alaska · 1585 days ago · 24 km deep · 86 km away
  32. 1.969 km ESE of Adak, Alaska · 1585 days ago · 34 km deep · 92 km away
  33. 3.1136 km WSW of Adak, Alaska · 1584 days ago · 35 km deep · 91 km away
  34. 2.699 km WSW of Adak, Alaska · 1584 days ago · 65 km deep · 67 km away
  35. 1.662 km SSE of Adak, Alaska · 1584 days ago · 25 km deep · 61 km away
  36. 1.510 km SSW of Adak, Alaska · 1583 days ago · 74 km deep · 60 km away
  37. 1.654 km SW of Adak, Alaska · 1582 days ago · 58 km deep · 35 km away
  38. 2.7104 km WSW of Adak, Alaska · 1582 days ago · 63 km deep · 73 km away
  39. 1.749 km SSW of Adak, Alaska · 1582 days ago · 35 km deep · 22 km away
  40. 1.569 km S of Adak, Alaska · 1582 days ago · 14 km deep · 35 km away
  41. 1.548 km SE of Adak, Alaska · 1581 days ago · 32 km deep · 67 km away
  42. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1580 days ago · 29 km deep · 33 km away
  43. 1.73 km NE of Adak, Alaska · 1579 days ago · 85 km deep · 74 km away
  44. 2.093 km WSW of Adak, Alaska · 1578 days ago · 59 km deep · 54 km away
  45. 2.577 km SW of Adak, Alaska · 1578 days ago · 48 km deep · 28 km away
  46. 1.563 km SE of Adak, Alaska · 1578 days ago · 34 km deep · 71 km away
  47. 3.6136 km SW of Adak, Alaska · 1578 days ago · 38 km deep · 83 km away
  48. 1.644 km E of Adak, Alaska · 1578 days ago · 122 km deep · 98 km away
  49. 1.566 km SSW of Adak, Alaska · 1578 days ago · 27 km deep · 5 km away
  50. 3.159 km S of Adak, Alaska · 1577 days ago · 37 km deep · 31 km away
  51. 3.5109 km WSW of Adak, Alaska · 1576 days ago · 61 km deep · 74 km away
  52. 3.6134 km WSW of Adak, Alaska · 1576 days ago · 38 km deep · 91 km away
  53. 1.957 km ESE of Adak, Alaska · 1575 days ago · 59 km deep · 96 km away
  54. 2.8115 km WSW of Adak, Alaska · 1574 days ago · 21 km deep · 80 km away
  55. 2.8136 km WSW of Adak, Alaska · 1573 days ago · 35 km deep · 88 km away
  56. 3.4137 km WSW of Adak, Alaska · 1573 days ago · 35 km deep · 91 km away
  57. 2.766 km SW of Adak, Alaska · 1573 days ago · 44 km deep · 16 km away
  58. 1.974 km SSE of Adak, Alaska · 1572 days ago · 22 km deep · 48 km away
  59. 1.775 km SW of Adak, Alaska · 1572 days ago · 32 km deep · 42 km away
  60. 2.747 km SSE of Adak, Alaska · 1571 days ago · 39 km deep · 53 km away

The first 60 of at least 199.

Before

  1. 1.566 km SE of Adak, Alaska · 1592 days ago · 26 km deep · 68 km away
  2. 1.542 km SSE of Adak, Alaska · 1592 days ago · 42 km deep · 53 km away
  3. 1.660 km WSW of Adak, Alaska · 1592 days ago · 77 km deep · 58 km away
  4. 1.5142 km WSW of Adak, Alaska · 1592 days ago · 42 km deep · 99 km away
  5. 2.9129 km WSW of Adak, Alaska · 1593 days ago · 61 km deep · 89 km away
  6. 3.4131 km SW of Adak, Alaska · 1593 days ago · 35 km deep · 70 km away
  7. 1.725 km SE of Adak, Alaska · 1593 days ago · 63 km deep · 62 km away
  8. 1.855 km SSW of Adak, Alaska · 1593 days ago · 39 km deep · 18 km away
  9. 2.959 km SSW of Adak, Alaska · 1593 days ago · 34 km deep · 12 km away
  10. 1.5139 km SW of Adak, Alaska · 1593 days ago · 27 km deep · 85 km away
  11. 4.5130 km WSW of Adak, Alaska · 1594 days ago · 54 km deep · 95 km away
  12. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1594 days ago · 57 km deep · 51 km away
  13. 2.686 km SW of Adak, Alaska · 1594 days ago · 35 km deep · 23 km away
  14. 1.594 km WSW of Adak, Alaska · 1594 days ago · 13 km deep · 61 km away
  15. 1.644 km S of Adak, Alaska · 1595 days ago · 33 km deep · 35 km away
  16. 1.791 km WSW of Adak, Alaska · 1595 days ago · 61 km deep · 62 km away
  17. 1.9124 km SW of Adak, Alaska · 1596 days ago · 19 km deep · 59 km away
  18. 2.04 km ENE of Adak, Alaska · 1596 days ago · 5 km deep · 73 km away
  19. 2.648 km S of Adak, Alaska · 1596 days ago · 33 km deep · 37 km away
  20. 2.045 km ESE of Adak, Alaska · 1596 days ago · 69 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000hs9z (also filed as ak0226o3egoq). Read Sat, Oct 3, 2026, 6:05 AM UTC.