Alaska earthquakes

M3.1 earthquake 70 km SW of Atka, Alaska

A magnitude 3.1 earthquake struck 70 km SW of Atka, Alaska on Wed, Sep 14, 2022, 1:51 PM HADT (22:51 UTC), 55 km (34 mi) below the surface.

A larger quake followed: M5.1 57 km SE 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
3.1 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-09-14 22:51:24 UTC
Depth
54.8 km (34.0 mi), shallow
Epicenter
51.736° N, 174.907° 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
3.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
2.4ML, 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 6.5 km horizontally, 21.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
223°, poorly surrounded by stations
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 95 in the 30 days before it.

After

  1. 3.5Andreanof Islands, Aleutian Islands, Alaska · 1478 days ago · 35 km deep · 27 km away
  2. 3.781 km SSE of Atka, Alaska · 1478 days ago · 45 km deep · 93 km away
  3. 2.062 km ESE of Adak, Alaska · 1478 days ago · 44 km deep · 62 km away
  4. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1477 days ago · 8 km deep · 82 km away
  5. 4.087 km SSE of Atka, Alaska · 1474 days ago · 38 km deep · 97 km away
  6. 3.269 km SSE of Atka, Alaska · 1472 days ago · 35 km deep · 81 km away
  7. 2.157 km SSW of Atka, Alaska · 1472 days ago · 23 km deep · 29 km away
  8. 2.263 km SE of Adak, Alaska · 1470 days ago · 25 km deep · 84 km away
  9. 1.666 km SE of Adak, Alaska · 1470 days ago · 38 km deep · 73 km away
  10. 1.867 km ESE of Adak, Alaska · 1469 days ago · 21 km deep · 66 km away
  11. 2.956 km S of Atka, Alaska · 1469 days ago · 35 km deep · 49 km away
  12. 2.054 km SSW of Atka, Alaska · 1468 days ago · 42 km deep · 21 km away
  13. 1.732 km W of Atka, Alaska · 1468 days ago · 23 km deep · 56 km away
  14. 2.175 km ENE of Adak, Alaska · 1468 days ago · 158 km deep · 63 km away
  15. 1.965 km SE of Adak, Alaska · 1468 days ago · 26 km deep · 77 km away
  16. 1.679 km SSW of Atka, Alaska · 1468 days ago · 13 km deep · 25 km away
  17. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1468 days ago · 29 km deep · 73 km away
  18. 3.178 km WSW of Atka, Alaska · 1466 days ago · 12 km deep · 42 km away
  19. 2.043 km SW of Atka, Alaska · 1466 days ago · 85 km deep · 27 km away
  20. 1.978 km SW of Atka, Alaska · 1465 days ago · 19 km deep · 9 km away
  21. 1.763 km SSE of Adak, Alaska · 1465 days ago · 20 km deep · 93 km away
  22. 2.059 km SW of Atka, Alaska · 1465 days ago · 69 km deep · 15 km away
  23. 1.838 km ENE of Adak, Alaska · 1464 days ago · 127 km deep · 91 km away
  24. 2.6100 km SW of Atka, Alaska · 1464 days ago · 41 km deep · 30 km away
  25. 1.981 km W of Atka, Alaska · 1464 days ago · 126 km deep · 51 km away
  26. 2.160 km ESE of Adak, Alaska · 1462 days ago · 49 km deep · 69 km away
  27. 3.19 km SSW of Atka, Alaska · 1461 days ago · 170 km deep · 61 km away
  28. 3.074 km SSW of Atka, Alaska · 1461 days ago · 35 km deep · 23 km away
  29. 3.059 km S of Atka, Alaska · 1460 days ago · 35 km deep · 40 km away
  30. 3.173 km SE of Adak, Alaska · 1458 days ago · 35 km deep · 81 km away
  31. 2.639 km S of Atka, Alaska · 1458 days ago · 17 km deep · 56 km away
  32. 1.558 km SE of Adak, Alaska · 1458 days ago · 22 km deep · 84 km away
  33. 1.872 km SW of Atka, Alaska · 1458 days ago · 43 km deep · 6 km away
  34. 1.736 km SE of Atka, Alaska · 1457 days ago · 61 km deep · 80 km away
  35. 2.211 km NE of Atka, Alaska · 1457 days ago · 160 km deep · 82 km away
  36. 2.126 km E of Atka, Alaska · 1457 days ago · 129 km deep · 88 km away
  37. 3.467 km ESE of Adak, Alaska · 1456 days ago · 35 km deep · 66 km away
  38. 1.669 km ESE of Adak, Alaska · 1456 days ago · 35 km deep · 64 km away
  39. 1.758 km SSW of Atka, Alaska · 1456 days ago · 49 km deep · 21 km away
  40. 3.248 km SSE of Atka, Alaska · 1456 days ago · 35 km deep · 71 km away
  41. 1.775 km E of Adak, Alaska · 1456 days ago · 179 km deep · 45 km away
  42. 2.850 km SSE of Atka, Alaska · 1456 days ago · 35 km deep · 75 km away
  43. 3.166 km ESE of Adak, Alaska · 1456 days ago · 56 km deep · 61 km away
  44. 2.051 km S of Atka, Alaska · 1455 days ago · 25 km deep · 50 km away
  45. 1.963 km SSE of Atka, Alaska · 1455 days ago · 39 km deep · 73 km away
  46. 2.072 km SSE of Atka, Alaska · 1454 days ago · 21 km deep · 79 km away
  47. 1.954 km SSW of Atka, Alaska · 1454 days ago · 16 km deep · 20 km away
  48. 1.941 km WSW of Atka, Alaska · 1453 days ago · 45 km deep · 41 km away
  49. 2.637 km ENE of Adak, Alaska · 1453 days ago · 237 km deep · 91 km away
  50. 1.827 km E of Adak, Alaska · 1452 days ago · 28 km deep · 93 km away
  51. 1.777 km E of Adak, Alaska · 1452 days ago · 59 km deep · 42 km away
  52. 1.861 km SSE of Adak, Alaska · 1452 days ago · 18 km deep · 93 km away
  53. 1.772 km SW of Atka, Alaska · 1452 days ago · 26 km deep · 5 km away
  54. 1.636 km SSW of Atka, Alaska · 1451 days ago · 59 km deep · 37 km away
  55. 3.349 km SE of Adak, Alaska · 1451 days ago · 37 km deep · 94 km away
  56. 1.9101 km ESE of Adak, Alaska · 1450 days ago · 25 km deep · 48 km away
  57. 1.948 km S of Atka, Alaska · 1450 days ago · 44 km deep · 49 km away
  58. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1450 days ago · 35 km deep · 64 km away
  59. 2.142 km SSW of Atka, Alaska · 1449 days ago · 57 km deep · 38 km away
  60. 1.948 km E of Adak, Alaska · 1449 days ago · 55 km deep · 71 km away

The first 60 of at least 199.

Before

  1. 1.857 km SE of Adak, Alaska · 1479 days ago · 8 km deep · 92 km away
  2. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1479 days ago · 23 km deep · 86 km away
  3. 1.864 km E of Adak, Alaska · 1479 days ago · 80 km deep · 61 km away
  4. 1.934 km S of Atka, Alaska · 1480 days ago · 61 km deep · 48 km away
  5. 1.963 km SSE of Adak, Alaska · 1480 days ago · 22 km deep · 93 km away
  6. 3.146 km SE of Adak, Alaska · 1480 days ago · 49 km deep · 90 km away
  7. 2.649 km S of Atka, Alaska · 1480 days ago · 70 km deep · 39 km away
  8. 2.074 km E of Adak, Alaska · 1480 days ago · 102 km deep · 49 km away
  9. 3.032 km NW of Atka, Alaska · 1481 days ago · 222 km deep · 74 km away
  10. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1481 days ago · 26 km deep · 19 km away
  11. 1.856 km WSW of Atka, Alaska · 1482 days ago · 67 km deep · 22 km away
  12. 2.666 km SE of Adak, Alaska · 1483 days ago · 35 km deep · 79 km away
  13. 2.313 km SSW of Atka, Alaska · 1483 days ago · 100 km deep · 59 km away
  14. 2.318 km WSW of Atka, Alaska · 1483 days ago · 165 km deep · 54 km away
  15. 3.231 km WNW of Atka, Alaska · 1484 days ago · 214 km deep · 69 km away
  16. 1.832 km SE of Atka, Alaska · 1485 days ago · 5 km deep · 76 km away
  17. 2.133 km N of Atka, Alaska · 1485 days ago · 19 km deep · 97 km away
  18. 1.753 km SSE of Adak, Alaska · 1486 days ago · 36 km deep · 96 km away
  19. 3.670 km SE of Adak, Alaska · 1486 days ago · 42 km deep · 80 km away
  20. 3.663 km WSW of Atka, Alaska · 1486 days ago · 68 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000iu1l (also filed as ak022bteipm4). Read Fri, Oct 2, 2026, 3:21 PM UTC.