Alaska earthquakes

M2.9 earthquake 45 km SSE of Adak, Alaska

A magnitude 2.9 earthquake struck 45 km SSE of Adak, Alaska on Sat, Jul 23, 2022, 10:44 AM HADT (19:44 UTC), 36 km (23 mi) below the surface.

A larger quake followed: M4.7 21 km SSW 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-07-23 19:44:49 UTC
Depth
36.4 km (22.6 mi), shallow
Epicenter
51.505° N, 176.352° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 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 2.7 km horizontally, 13.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
226°, poorly surrounded by stations
Stations used
16

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 124 in the 30 days before it.

After

  1. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1533 days ago · 30 km deep · 39 km away
  2. 2.857 km NE of Adak, Alaska · 1532 days ago · 189 km deep · 83 km away
  3. 2.064 km SE of Adak, Alaska · 1531 days ago · 26 km deep · 27 km away
  4. 1.662 km SW of Adak, Alaska · 1531 days ago · 19 km deep · 61 km away
  5. 2.853 km SE of Adak, Alaska · 1531 days ago · 45 km deep · 13 km away
  6. 1.670 km SSW of Adak, Alaska · 1531 days ago · 29 km deep · 55 km away
  7. 1.748 km E of Adak, Alaska · 1531 days ago · 127 km deep · 55 km away
  8. 1.738 km SE of Adak, Alaska · 1530 days ago · 56 km deep · 20 km away
  9. 2.043 km ENE of Adak, Alaska · 1530 days ago · 123 km deep · 56 km away
  10. 3.427 km SSE of Adak, Alaska · 1529 days ago · 72 km deep · 20 km away
  11. 2.153 km E of Adak, Alaska · 1529 days ago · 120 km deep · 49 km away
  12. 2.793 km ESE of Adak, Alaska · 1528 days ago · 49 km deep · 70 km away
  13. 2.770 km SE of Adak, Alaska · 1528 days ago · 34 km deep · 38 km away
  14. 1.672 km WSW of Adak, Alaska · 1528 days ago · 50 km deep · 87 km away
  15. 1.856 km WSW of Adak, Alaska · 1527 days ago · 115 km deep · 81 km away
  16. 3.485 km WSW of Atka, Alaska · 1526 days ago · 69 km deep · 82 km away
  17. 1.546 km WSW of Adak, Alaska · 1526 days ago · 92 km deep · 71 km away
  18. 3.548 km SSE of Adak, Alaska · 1526 days ago · 35 km deep · 3 km away
  19. 1.680 km ESE of Adak, Alaska · 1525 days ago · 22 km deep · 50 km away
  20. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1525 days ago · 21 km deep · 42 km away
  21. 3.146 km SSW of Adak, Alaska · 1525 days ago · 34 km deep · 42 km away
  22. 2.229 km ENE of Adak, Alaska · 1524 days ago · 87 km deep · 55 km away
  23. 1.614 km WSW of Adak, Alaska · 1524 days ago · 89 km deep · 50 km away
  24. 2.872 km SW of Adak, Alaska · 1523 days ago · 43 km deep · 73 km away
  25. 1.663 km ESE of Adak, Alaska · 1523 days ago · 35 km deep · 37 km away
  26. 1.854 km SE of Adak, Alaska · 1523 days ago · 29 km deep · 13 km away
  27. 1.880 km ENE of Adak, Alaska · 1522 days ago · 13 km deep · 87 km away
  28. 3.067 km SE of Adak, Alaska · 1522 days ago · 35 km deep · 23 km away
  29. 1.873 km SE of Adak, Alaska · 1521 days ago · 26 km deep · 33 km away
  30. 1.579 km SW of Adak, Alaska · 1520 days ago · 44 km deep · 84 km away
  31. 1.551 km ENE of Adak, Alaska · 1518 days ago · 151 km deep · 69 km away
  32. 1.712 km SSE of Adak, Alaska · 1518 days ago · 192 km deep · 33 km away
  33. 3.175 km WSW of Adak, Alaska · 1518 days ago · 73 km deep · 90 km away
  34. 2.572 km E of Adak, Alaska · 1517 days ago · 99 km deep · 71 km away
  35. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1517 days ago · 37 km deep · 80 km away
  36. 2.069 km ENE of Adak, Alaska · 1517 days ago · 160 km deep · 80 km away
  37. 1.670 km W of Adak, Alaska · 1517 days ago · 93 km deep · 100 km away
  38. 3.552 km WSW of Adak, Alaska · 1516 days ago · 77 km deep · 72 km away
  39. 2.745 km SSE of Adak, Alaska · 1516 days ago · 37 km deep · 2 km away
  40. 1.659 km WSW of Adak, Alaska · 1516 days ago · 12 km deep · 78 km away
  41. 1.767 km SE of Adak, Alaska · 1516 days ago · 24 km deep · 30 km away
  42. 3.399 km SW of Atka, Alaska · 1515 days ago · 35 km deep · 80 km away
  43. 1.744 km SW of Adak, Alaska · 1515 days ago · 60 km deep · 48 km away
  44. 3.269 km SSE of Adak, Alaska · 1515 days ago · 35 km deep · 25 km away
  45. 1.698 km ESE of Adak, Alaska · 1515 days ago · 50 km deep · 72 km away
  46. 1.664 km SE of Adak, Alaska · 1515 days ago · 22 km deep · 21 km away
  47. 3.351 km SE of Adak, Alaska · 1515 days ago · 35 km deep · 15 km away
  48. 3.165 km SE of Adak, Alaska · 1515 days ago · 34 km deep · 23 km away
  49. 1.764 km SE of Adak, Alaska · 1515 days ago · 26 km deep · 23 km away
  50. 3.456 km ENE of Adak, Alaska · 1515 days ago · 153 km deep · 75 km away
  51. 2.162 km SW of Adak, Alaska · 1515 days ago · 44 km deep · 63 km away
  52. 1.524 km SSW of Adak, Alaska · 1514 days ago · 66 km deep · 34 km away
  53. 1.863 km WSW of Adak, Alaska · 1514 days ago · 92 km deep · 86 km away
  54. 1.64 km NNW of Adak, Alaska · 1514 days ago · 153 km deep · 50 km away
  55. 1.639 km E of Adak, Alaska · 1514 days ago · 72 km deep · 42 km away
  56. 2.069 km NE of Adak, Alaska · 1513 days ago · 202 km deep · 96 km away
  57. 1.560 km SE of Adak, Alaska · 1513 days ago · 26 km deep · 19 km away
  58. 2.661 km S of Adak, Alaska · 1513 days ago · 37 km deep · 23 km away
  59. 1.864 km SE of Adak, Alaska · 1512 days ago · 27 km deep · 23 km away
  60. 1.593 km SSE of Adak, Alaska · 1512 days ago · 16 km deep · 49 km away

The first 60 of 197.

Before

  1. 2.753 km E of Adak, Alaska · 1533 days ago · 78 km deep · 56 km away
  2. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1533 days ago · 65 km deep · 35 km away
  3. 1.928 km ENE of Adak, Alaska · 1534 days ago · 211 km deep · 53 km away
  4. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1534 days ago · 224 km deep · 55 km away
  5. 1.683 km E of Adak, Alaska · 1534 days ago · 137 km deep · 85 km away
  6. 1.664 km ENE of Adak, Alaska · 1535 days ago · 101 km deep · 70 km away
  7. 1.972 km WSW of Atka, Alaska · 1535 days ago · 146 km deep · 97 km away
  8. 1.676 km SE of Adak, Alaska · 1535 days ago · 22 km deep · 39 km away
  9. 1.764 km SE of Adak, Alaska · 1535 days ago · 26 km deep · 28 km away
  10. 1.686 km SW of Adak, Alaska · 1535 days ago · 38 km deep · 88 km away
  11. 2.653 km E of Adak, Alaska · 1535 days ago · 211 km deep · 60 km away
  12. 3.329 km SSE of Adak, Alaska · 1535 days ago · 52 km deep · 16 km away
  13. 3.764 km ESE of Adak, Alaska · 1535 days ago · 35 km deep · 37 km away
  14. 2.950 km SE of Adak, Alaska · 1538 days ago · 37 km deep · 16 km away
  15. 1.938 km WSW of Adak, Alaska · 1538 days ago · 81 km deep · 63 km away
  16. 1.661 km SE of Adak, Alaska · 1538 days ago · 22 km deep · 20 km away
  17. 3.374 km WSW of Adak, Alaska · 1539 days ago · 77 km deep · 93 km away
  18. 2.893 km SW of Adak, Alaska · 1539 days ago · 37 km deep · 91 km away
  19. 1.686 km ESE of Adak, Alaska · 1539 days ago · 10 km deep · 55 km away
  20. 1.695 km SW of Adak, Alaska · 1539 days ago · 26 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ihxx (also filed as ak0229dp7kla). Read Sat, Oct 3, 2026, 3:43 PM UTC.