Alaska earthquakes

M2.8 earthquake 114 km W of Adak, Alaska

A magnitude 2.8 earthquake struck 114 km W of Adak, Alaska on Sun, Aug 14, 2022, 4:40 PM HADT (01:40 UTC), 99 km (62 mi) below the surface.

A larger quake followed: M4.8 145 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-08-15 01:40:29 UTC
Depth
99.4 km (61.8 mi), intermediate-depth
Epicenter
51.694° N, 178.275° 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 · ±0.091 · 16 stations
2.2ML, 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 8.2 km horizontally, 4.7 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
163°
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 115 in the 30 days before it.

After

  1. 1.664 km WSW of Adak, Alaska · 1509 days ago · 15 km deep · 52 km away
  2. 1.6175 km W of Adak, Alaska · 1509 days ago · 73 km deep · 61 km away
  3. 1.6133 km WSW of Adak, Alaska · 1509 days ago · 46 km deep · 50 km away
  4. 1.9168 km WSW of Adak, Alaska · 1509 days ago · 11 km deep · 53 km away
  5. 1.5107 km WSW of Adak, Alaska · 1509 days ago · 18 km deep · 35 km away
  6. 1.672 km SW of Adak, Alaska · 1509 days ago · 32 km deep · 57 km away
  7. 1.661 km WSW of Adak, Alaska · 1509 days ago · 17 km deep · 57 km away
  8. 1.8101 km WSW of Adak, Alaska · 1509 days ago · 56 km deep · 35 km away
  9. 1.9179 km WSW of Adak, Alaska · 1509 days ago · 14 km deep · 69 km away
  10. 1.7196 km WSW of Adak, Alaska · 1508 days ago · 19 km deep · 82 km away
  11. 1.584 km WSW of Adak, Alaska · 1508 days ago · 56 km deep · 41 km away
  12. 1.8168 km WSW of Adak, Alaska · 1507 days ago · 20 km deep · 66 km away
  13. 1.761 km SW of Adak, Alaska · 1504 days ago · 46 km deep · 83 km away
  14. 3.154 km SSW of Adak, Alaska · 1504 days ago · 35 km deep · 90 km away
  15. 1.8210 km W of Adak, Alaska · 1504 days ago · 72 km deep · 96 km away
  16. 1.6136 km SW of Adak, Alaska · 1504 days ago · 21 km deep · 62 km away
  17. 1.6177 km WSW of Adak, Alaska · 1503 days ago · 18 km deep · 76 km away
  18. 1.776 km SW of Adak, Alaska · 1503 days ago · 31 km deep · 57 km away
  19. 1.650 km SW of Adak, Alaska · 1503 days ago · 33 km deep · 77 km away
  20. 3.593 km SW of Adak, Alaska · 1503 days ago · 60 km deep · 50 km away
  21. 3.2141 km WSW of Adak, Alaska · 1503 days ago · 41 km deep · 36 km away
  22. 2.3102 km W of Adak, Alaska · 1502 days ago · 204 km deep · 20 km away
  23. 3.273 km W of Adak, Alaska · 1502 days ago · 107 km deep · 43 km away
  24. 2.7138 km WNW of Adak, Alaska · 1502 days ago · 167 km deep · 58 km away
  25. 1.587 km WSW of Adak, Alaska · 1501 days ago · 5 km deep · 39 km away
  26. 1.8170 km WSW of Adak, Alaska · 1501 days ago · 22 km deep · 57 km away
  27. 1.8168 km W of Adak, Alaska · 1501 days ago · 7 km deep · 56 km away
  28. 1.774 km SW of Adak, Alaska · 1501 days ago · 35 km deep · 58 km away
  29. 1.7113 km WSW of Adak, Alaska · 1501 days ago · 48 km deep · 38 km away
  30. 1.7100 km WSW of Adak, Alaska · 1500 days ago · 26 km deep · 33 km away
  31. 1.546 km SW of Adak, Alaska · 1500 days ago · 48 km deep · 83 km away
  32. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1500 days ago · 29 km deep · 50 km away
  33. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1499 days ago · 109 km deep · 68 km away
  34. 1.9155 km WSW of Adak, Alaska · 1499 days ago · 60 km deep · 42 km away
  35. 1.564 km SSW of Adak, Alaska · 1499 days ago · 35 km deep · 94 km away
  36. 1.5113 km WSW of Adak, Alaska · 1499 days ago · 28 km deep · 20 km away
  37. 2.599 km SW of Adak, Alaska · 1498 days ago · 50 km deep · 46 km away
  38. 1.8129 km WSW of Adak, Alaska · 1498 days ago · 24 km deep · 39 km away
  39. 1.9175 km WSW of Adak, Alaska · 1498 days ago · 24 km deep · 71 km away
  40. 1.7124 km WSW of Adak, Alaska · 1498 days ago · 74 km deep · 10 km away
  41. 1.640 km SW of Adak, Alaska · 1498 days ago · 47 km deep · 83 km away
  42. 1.880 km W of Adak, Alaska · 1497 days ago · 5 km deep · 36 km away
  43. 1.653 km SSW of Adak, Alaska · 1497 days ago · 34 km deep · 89 km away
  44. 1.580 km WSW of Adak, Alaska · 1497 days ago · 60 km deep · 44 km away
  45. 1.7143 km WSW of Adak, Alaska · 1497 days ago · 72 km deep · 29 km away
  46. 1.8117 km WSW of Adak, Alaska · 1497 days ago · 27 km deep · 40 km away
  47. 1.8135 km W of Adak, Alaska · 1497 days ago · 99 km deep · 31 km away
  48. 1.685 km WSW of Adak, Alaska · 1496 days ago · 61 km deep · 40 km away
  49. 1.675 km SSW of Adak, Alaska · 1496 days ago · 47 km deep · 89 km away
  50. 3.7205 km WSW of Adak, Alaska · 1495 days ago · 40 km deep · 99 km away
  51. 3.0186 km WSW of Adak, Alaska · 1494 days ago · 31 km deep · 74 km away
  52. 2.0189 km WSW of Adak, Alaska · 1494 days ago · 36 km deep · 80 km away
  53. 1.7126 km WSW of Adak, Alaska · 1493 days ago · 25 km deep · 34 km away
  54. 1.959 km WSW of Adak, Alaska · 1493 days ago · 66 km deep · 61 km away
  55. 2.0194 km W of Adak, Alaska · 1492 days ago · 55 km deep · 80 km away
  56. 2.6123 km WSW of Adak, Alaska · 1492 days ago · 33 km deep · 33 km away
  57. 2.776 km SW of Adak, Alaska · 1492 days ago · 35 km deep · 59 km away
  58. 1.661 km SSW of Adak, Alaska · 1491 days ago · 47 km deep · 87 km away
  59. 1.7157 km WSW of Adak, Alaska · 1491 days ago · 26 km deep · 48 km away
  60. 2.5166 km WSW of Adak, Alaska · 1491 days ago · 25 km deep · 57 km away

The first 60 of 179.

Before

  1. 1.664 km WSW of Adak, Alaska · 1511 days ago · 13 km deep · 51 km away
  2. 1.6128 km SW of Adak, Alaska · 1511 days ago · 25 km deep · 58 km away
  3. 1.6148 km WSW of Adak, Alaska · 1511 days ago · 20 km deep · 57 km away
  4. 1.7158 km WSW of Adak, Alaska · 1511 days ago · 74 km deep · 43 km away
  5. 1.7183 km WSW of Adak, Alaska · 1511 days ago · 20 km deep · 73 km away
  6. 1.5202 km W of Adak, Alaska · 1514 days ago · 6 km deep · 87 km away
  7. 1.863 km WSW of Adak, Alaska · 1514 days ago · 92 km deep · 52 km away
  8. 2.6132 km SW of Adak, Alaska · 1514 days ago · 35 km deep · 53 km away
  9. 2.162 km SW of Adak, Alaska · 1515 days ago · 44 km deep · 75 km away
  10. 1.7134 km WSW of Adak, Alaska · 1515 days ago · 25 km deep · 38 km away
  11. 1.8196 km WSW of Adak, Alaska · 1515 days ago · 13 km deep · 89 km away
  12. 1.744 km SW of Adak, Alaska · 1515 days ago · 60 km deep · 87 km away
  13. 1.659 km WSW of Adak, Alaska · 1516 days ago · 12 km deep · 57 km away
  14. 2.8192 km WSW of Adak, Alaska · 1516 days ago · 31 km deep · 82 km away
  15. 1.9150 km WSW of Adak, Alaska · 1516 days ago · 24 km deep · 54 km away
  16. 2.8154 km WSW of Adak, Alaska · 1516 days ago · 32 km deep · 60 km away
  17. 2.9155 km SW of Adak, Alaska · 1516 days ago · 35 km deep · 73 km away
  18. 3.552 km WSW of Adak, Alaska · 1516 days ago · 77 km deep · 64 km away
  19. 1.670 km W of Adak, Alaska · 1517 days ago · 93 km deep · 48 km away
  20. 2.8138 km WSW of Adak, Alaska · 1517 days ago · 36 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000inr5 (also filed as ak022afftumi). Read Sat, Oct 3, 2026, 1:29 PM UTC.