Alaska earthquakes

M1.6 earthquake 35 km WSW of Unalaska, Alaska

A magnitude 1.6 earthquake struck 35 km WSW of Unalaska, Alaska on Sat, Apr 30, 2022, 12:10 PM AKDT (20:10 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.3 93 km ENE of Nikolski, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2022-04-30 20:10:19 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
53.765° N, 167.047° 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
1.6ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
1.69ML, local (Richter)AVFinal · ±0.199557263993713 · 10 stations

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
31

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 71 in the 30 days before it.

After

  1. 1.880 km S of Unalaska, Alaska · 1616 days ago · 25 km deep · 72 km away
  2. 1.556 km ESE of Unalaska, Alaska · 1616 days ago · 46 km deep · 83 km away
  3. 1.886 km SSW of Unalaska, Alaska · 1616 days ago · 12 km deep · 68 km away
  4. 2.1Fox Islands, Aleutian Islands, Alaska · 1615 days ago · 44 km deep · 70 km away
  5. 2.825 km NNE of Dutch Harbor, Alaska · 1614 days ago · 23 km deep · 57 km away
  6. 2.065 km SE of Unalaska, Alaska · 1614 days ago · 39 km deep · 86 km away
  7. 1.949 km SSE of Akutan, Alaska · 1612 days ago · 53 km deep · 95 km away
  8. 1.677 km S of Unalaska, Alaska · 1611 days ago · 26 km deep · 69 km away
  9. 2.076 km S of Unalaska, Alaska · 1611 days ago · 28 km deep · 69 km away
  10. 1.90 km W of Unalaska, Alaska · 1611 days ago · 99 km deep · 35 km away
  11. 1.568 km S of Akutan, Alaska · 1610 days ago · 45 km deep · 95 km away
  12. 1.662 km SSW of Unalaska, Alaska · 1610 days ago · 74 km deep · 52 km away
  13. 1.634 km ESE of Unalaska, Alaska · 1610 days ago · 74 km deep · 66 km away
  14. 2.779 km S of Unalaska, Alaska · 1609 days ago · 35 km deep · 72 km away
  15. 1.921 km W of Dutch Harbor, Alaska · 1609 days ago · 5 km deep · 16 km away
  16. 1.990 km SSW of Unalaska, Alaska · 1607 days ago · 33 km deep · 76 km away
  17. 3.347 km SE of Unalaska, Alaska · 1607 days ago · 10 km deep · 72 km away
  18. 1.893 km SW of Unalaska, Alaska · 1606 days ago · 62 km deep · 64 km away
  19. 1.817 km SW of Akutan, Alaska · 1605 days ago · 92 km deep · 75 km away
  20. 1.878 km E of Nikolski, Alaska · 1605 days ago · 58 km deep · 96 km away
  21. 1.688 km SSW of Unalaska, Alaska · 1605 days ago · 19 km deep · 68 km away
  22. 1.5Fox Islands, Aleutian Islands, Alaska · 1604 days ago · 49 km deep · 90 km away
  23. 1.550 km SW of Unalaska, Alaska · 1604 days ago · 71 km deep · 25 km away
  24. 1.572 km SE of Unalaska, Alaska · 1604 days ago · 33 km deep · 96 km away
  25. 3.640 km SSE of Unalaska, Alaska · 1602 days ago · 75 km deep · 56 km away · felt by 1
  26. 3.857 km SSW of Unalaska, Alaska · 1601 days ago · 75 km deep · 50 km away
  27. 3.146 km SSW of Unalaska, Alaska · 1601 days ago · 78 km deep · 36 km away
  28. 2.573 km SSW of Unalaska, Alaska · 1601 days ago · 99 km deep · 58 km away
  29. 2.895 km E of Nikolski, Alaska · 1601 days ago · 60 km deep · 81 km away
  30. 3.595 km SSW of Unalaska, Alaska · 1600 days ago · 35 km deep · 75 km away
  31. 2.794 km E of Nikolski, Alaska · 1600 days ago · 31 km deep · 96 km away
  32. 1.567 km S of Unalaska, Alaska · 1600 days ago · 33 km deep · 70 km away
  33. 1.567 km SW of Unalaska, Alaska · 1600 days ago · 13 km deep · 34 km away
  34. 2.949 km SE of Unalaska, Alaska · 1600 days ago · 68 km deep · 74 km away
  35. 1.848 km S of Akutan, Alaska · 1599 days ago · 28 km deep · 79 km away
  36. 1.667 km SW of Unalaska, Alaska · 1599 days ago · 85 km deep · 40 km away
  37. 1.821 km ENE of Dutch Harbor, Alaska · 1598 days ago · 7 km deep · 57 km away
  38. 1.821 km ENE of Dutch Harbor, Alaska · 1598 days ago · 13 km deep · 57 km away
  39. 2.78 km SW of Unalaska, Alaska · 1598 days ago · 12 km deep · 28 km away
  40. 1.56 km WSW of Unalaska, Alaska · 1598 days ago · 9 km deep · 29 km away
  41. 1.57 km W of Unalaska, Alaska · 1598 days ago · 7 km deep · 29 km away
  42. 3.399 km E of Nikolski, Alaska · 1596 days ago · 30 km deep · 93 km away
  43. 1.872 km SW of Unalaska, Alaska · 1596 days ago · 13 km deep · 40 km away
  44. 3.296 km E of Nikolski, Alaska · 1596 days ago · 35 km deep · 93 km away
  45. 3.17 km WSW of Unalaska, Alaska · 1596 days ago · 10 km deep · 29 km away
  46. 1.789 km SSW of Unalaska, Alaska · 1595 days ago · 34 km deep · 72 km away
  47. 1.5102 km SSW of Unalaska, Alaska · 1595 days ago · 26 km deep · 88 km away
  48. 1.771 km WSW of Unalaska, Alaska · 1595 days ago · 8 km deep · 37 km away
  49. 1.693 km E of Nikolski, Alaska · 1595 days ago · 49 km deep · 92 km away
  50. 1.785 km SSE of Unalaska, Alaska · 1595 days ago · 18 km deep · 89 km away
  51. 1.580 km S of Unalaska, Alaska · 1594 days ago · 26 km deep · 70 km away
  52. 1.654 km SW of Unalaska, Alaska · 1594 days ago · 14 km deep · 22 km away
  53. 1.730 km SW of Unalaska, Alaska · 1593 days ago · 96 km deep · 14 km away
  54. 1.699 km E of Nikolski, Alaska · 1593 days ago · 26 km deep · 95 km away
  55. 1.686 km SSW of Unalaska, Alaska · 1592 days ago · 26 km deep · 70 km away
  56. 1.698 km E of Nikolski, Alaska · 1592 days ago · 25 km deep · 93 km away
  57. 3.782 km SSW of Unalaska, Alaska · 1592 days ago · 35 km deep · 71 km away
  58. 2.5104 km E of Nikolski, Alaska · 1592 days ago · 25 km deep · 90 km away
  59. 1.779 km SSW of Unalaska, Alaska · 1591 days ago · 26 km deep · 67 km away
  60. 1.579 km S of Unalaska, Alaska · 1589 days ago · 28 km deep · 71 km away

The first 60 of 121.

Before

  1. 1.9Fox Islands, Aleutian Islands, Alaska · 1617 days ago · 14 km deep · 65 km away
  2. 3.531 km SE of Unalaska, Alaska · 1617 days ago · 77 km deep · 54 km away
  3. 1.646 km SSE of Unalaska, Alaska · 1618 days ago · 49 km deep · 65 km away
  4. 1.649 km SW of Unalaska, Alaska · 1618 days ago · 13 km deep · 24 km away
  5. 1.875 km SW of Unalaska, Alaska · 1618 days ago · 13 km deep · 46 km away
  6. 1.768 km SSE of Unalaska, Alaska · 1619 days ago · 5 km deep · 81 km away
  7. 1.651 km SSW of Unalaska, Alaska · 1619 days ago · 68 km deep · 32 km away
  8. 1.959 km SW of Unalaska, Alaska · 1620 days ago · 15 km deep · 29 km away
  9. 3.259 km SW of Unalaska, Alaska · 1620 days ago · 1 km deep · 36 km away
  10. 1.866 km SW of Unalaska, Alaska · 1620 days ago · 13 km deep · 33 km away
  11. 1.949 km SW of Unalaska, Alaska · 1621 days ago · 14 km deep · 23 km away
  12. 1.849 km SW of Unalaska, Alaska · 1621 days ago · 13 km deep · 23 km away
  13. 2.654 km SSW of Unalaska, Alaska · 1621 days ago · 18 km deep · 35 km away
  14. 3.452 km SW of Unalaska, Alaska · 1621 days ago · 19 km deep · 29 km away
  15. 3.378 km SSW of Unalaska, Alaska · 1621 days ago · 35 km deep · 65 km away
  16. 1.533 km S of Unalaska, Alaska · 1621 days ago · 62 km deep · 40 km away
  17. 1.678 km S of Unalaska, Alaska · 1622 days ago · 20 km deep · 70 km away
  18. 3.779 km SSW of Unalaska, Alaska · 1625 days ago · 38 km deep · 67 km away
  19. 1.978 km S of Unalaska, Alaska · 1626 days ago · 17 km deep · 70 km away
  20. 2.080 km S of Unalaska, Alaska · 1626 days ago · 13 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0225isgi1r (also filed as av91548536). Read Sat, Oct 3, 2026, 3:40 PM UTC.