Alaska earthquakes

M2.4 earthquake 159 km SE of Chignik, Alaska

A magnitude 2.4 earthquake struck 159 km SE of Chignik, Alaska on Wed, Aug 4, 2021, 3:48 AM AKDT (11:48 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M3.0 144 km SE of Perryville, 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
2.4 (ml), micro
Local time
UTC
2021-08-04 11:48:44 UTC
Depth
15.2 km (9.4 mi), shallow
Epicenter
55.149° N, 156.875° W
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.

Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.4126 km SE of Chignik, Alaska · 1868 days ago · 28 km deep · 36 km away
  2. 2.2150 km SE of Perryville, Alaska · 1868 days ago · 26 km deep · 34 km away
  3. 2.2155 km ESE of Chignik, Alaska · 1868 days ago · 2 km deep · 67 km away
  4. 3.0144 km SE of Perryville, Alaska · 1868 days ago · 22 km deep · 37 km away
  5. 2.7157 km SE of Chignik, Alaska · 1868 days ago · 25 km deep · 4 km away
  6. 2.198 km SSE of Chignik, Alaska · 1868 days ago · 13 km deep · 62 km away
  7. 3.4135 km SE of Perryville, Alaska · 1867 days ago · 24 km deep · 42 km away
  8. 2.3183 km ESE of Chignik, Alaska · 1867 days ago · 13 km deep · 77 km away
  9. 2.2141 km SE of Perryville, Alaska · 1867 days ago · 28 km deep · 32 km away
  10. 2.6161 km SE of Chignik, Alaska · 1867 days ago · 26 km deep · 6 km away
  11. 2.2148 km SE of Perryville, Alaska · 1867 days ago · 20 km deep · 24 km away
  12. 2.7192 km SE of Perryville, Alaska · 1867 days ago · 17 km deep · 49 km away
  13. 1.9139 km SE of Chignik, Alaska · 1867 days ago · 37 km deep · 38 km away
  14. 2.472 km SSE of Chignik, Alaska · 1867 days ago · 12 km deep · 89 km away
  15. 1.9134 km SE of Perryville, Alaska · 1867 days ago · 20 km deep · 58 km away
  16. 2.0146 km SE of Perryville, Alaska · 1866 days ago · 25 km deep · 71 km away
  17. 2.3122 km SE of Chignik, Alaska · 1866 days ago · 25 km deep · 44 km away
  18. 2.3120 km SSE of Chignik, Alaska · 1866 days ago · 33 km deep · 42 km away
  19. 6.9125 km SE of Perryville, Alaska · 1866 days ago · 21 km deep · 49 km away · felt by 10 · tsunami flag
  20. 3.6154 km SE of Perryville, Alaska · 1866 days ago · 19 km deep · 27 km away
  21. 2.7121 km SE of Perryville, Alaska · 1866 days ago · 4 km deep · 64 km away · felt by 2
  22. 3.6137 km SE of Perryville, Alaska · 1866 days ago · 6 km deep · 36 km away
  23. 2.1142 km SE of Perryville, Alaska · 1866 days ago · 27 km deep · 43 km away
  24. 3.3133 km SE of Perryville, Alaska · 1866 days ago · 42 km deep · 42 km away
  25. 2.2131 km SE of Perryville, Alaska · 1866 days ago · 20 km deep · 42 km away
  26. 2.9189 km SE of Perryville, Alaska · 1866 days ago · 36 km deep · 40 km away
  27. 2.3161 km SE of Chignik, Alaska · 1866 days ago · 25 km deep · 7 km away
  28. 3.1116 km SE of Perryville, Alaska · 1866 days ago · 27 km deep · 69 km away
  29. 4.1146 km SE of Perryville, Alaska · 1866 days ago · 15 km deep · 48 km away
  30. 3.2137 km SE of Perryville, Alaska · 1866 days ago · 24 km deep · 42 km away
  31. 3.3143 km SE of Perryville, Alaska · 1866 days ago · 14 km deep · 45 km away · felt by 1
  32. 2.8134 km SE of Perryville, Alaska · 1866 days ago · 27 km deep · 42 km away
  33. 3.4201 km SE of Perryville, Alaska · 1866 days ago · 33 km deep · 50 km away
  34. 2.6148 km SE of Perryville, Alaska · 1866 days ago · 16 km deep · 36 km away
  35. 2.5151 km SE of Perryville, Alaska · 1866 days ago · 28 km deep · 62 km away
  36. 3.0175 km SE of Perryville, Alaska · 1866 days ago · 21 km deep · 34 km away
  37. 3.3193 km SE of Perryville, Alaska · 1866 days ago · 25 km deep · 45 km away
  38. 2.2138 km SE of Perryville, Alaska · 1866 days ago · 33 km deep · 50 km away
  39. 3.1133 km SE of Perryville, Alaska · 1866 days ago · 27 km deep · 42 km away
  40. 3.9131 km SE of Perryville, Alaska · 1866 days ago · 35 km deep · 40 km away
  41. 2.5134 km ESE of Chignik, Alaska · 1866 days ago · 16 km deep · 69 km away
  42. 2.8127 km SE of Perryville, Alaska · 1866 days ago · 47 km deep · 59 km away
  43. 2.6125 km SE of Perryville, Alaska · 1866 days ago · 27 km deep · 55 km away
  44. 2.6143 km SE of Perryville, Alaska · 1866 days ago · 34 km deep · 48 km away
  45. 2.1138 km SSE of Chignik, Alaska · 1866 days ago · 25 km deep · 24 km away
  46. 1.892 km SE of Perryville, Alaska · 1866 days ago · 22 km deep · 77 km away
  47. 2.3113 km SE of Perryville, Alaska · 1866 days ago · 39 km deep · 64 km away
  48. 2.3109 km SE of Perryville, Alaska · 1866 days ago · 41 km deep · 58 km away
  49. 2.5124 km SE of Perryville, Alaska · 1866 days ago · 9 km deep · 43 km away
  50. 3.0143 km SE of Perryville, Alaska · 1865 days ago · 36 km deep · 48 km away
  51. 2.5165 km SE of Perryville, Alaska · 1865 days ago · 34 km deep · 37 km away
  52. 3.0161 km SE of Perryville, Alaska · 1865 days ago · 41 km deep · 35 km away
  53. 2.4162 km SE of Chignik, Alaska · 1865 days ago · 37 km deep · 7 km away
  54. 3.0154 km SE of Chignik, Alaska · 1865 days ago · 34 km deep · 11 km away
  55. 2.6243 km SE of Chignik, Alaska · 1865 days ago · 17 km deep · 84 km away
  56. 3.4253 km SE of Chignik, Alaska · 1865 days ago · 26 km deep · 93 km away
  57. 2.0129 km SE of Chignik, Alaska · 1865 days ago · 41 km deep · 57 km away
  58. 2.4130 km SE of Perryville, Alaska · 1865 days ago · 42 km deep · 70 km away
  59. 2.5206 km SE of Perryville, Alaska · 1865 days ago · 47 km deep · 59 km away
  60. 2.0124 km SE of Perryville, Alaska · 1865 days ago · 15 km deep · 60 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219xex45g. Read Wed, Sep 23, 2026, 9:23 PM UTC.