Alaska earthquakes

M3.0 earthquake 20 km ENE of Adak, Alaska

A magnitude 3.0 earthquake struck 20 km ENE of Adak, Alaska on Sun, Dec 18, 2022, 9:08 PM HAST (07:08 UTC), 200 km (124 mi) below the surface.

A larger quake followed: M4.2 63 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-12-19 07:08:01 UTC
Depth
200.2 km (124.4 mi), intermediate-depth
Epicenter
51.959° N, 176.377° 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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.6ML, 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 12.5 km horizontally, 4.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
152°
Stations used
10

Nearby

Within 100 km, magnitude 1.5 and up: 187 in the 60 days after this one and 107 in the 30 days before it.

After

  1. 2.088 km ESE of Adak, Alaska · 1382 days ago · 24 km deep · 78 km away
  2. 1.536 km WSW of Adak, Alaska · 1380 days ago · 16 km deep · 56 km away
  3. 2.055 km SE of Adak, Alaska · 1379 days ago · 29 km deep · 52 km away
  4. 1.938 km S of Adak, Alaska · 1379 days ago · 37 km deep · 50 km away
  5. 1.984 km SE of Adak, Alaska · 1379 days ago · 17 km deep · 78 km away
  6. 3.073 km WNW of Atka, Alaska · 1379 days ago · 133 km deep · 95 km away
  7. 1.937 km SSW of Adak, Alaska · 1379 days ago · 40 km deep · 54 km away
  8. 2.270 km SSW of Adak, Alaska · 1378 days ago · 21 km deep · 88 km away
  9. 3.956 km NE of Adak, Alaska · 1378 days ago · 182 km deep · 37 km away
  10. 1.743 km SSE of Adak, Alaska · 1378 days ago · 25 km deep · 48 km away
  11. 1.980 km WSW of Adak, Alaska · 1376 days ago · 44 km deep · 100 km away
  12. 3.064 km SSE of Adak, Alaska · 1375 days ago · 35 km deep · 70 km away
  13. 2.733 km ENE of Adak, Alaska · 1375 days ago · 141 km deep · 14 km away
  14. 2.139 km SSE of Adak, Alaska · 1374 days ago · 32 km deep · 44 km away
  15. 2.159 km SE of Adak, Alaska · 1374 days ago · 23 km deep · 60 km away
  16. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1374 days ago · 42 km deep · 43 km away
  17. 1.847 km SSW of Adak, Alaska · 1373 days ago · 24 km deep · 64 km away
  18. 2.419 km NNW of Adak, Alaska · 1372 days ago · 169 km deep · 28 km away
  19. 3.169 km ENE of Adak, Alaska · 1372 days ago · 147 km deep · 49 km away
  20. 2.126 km WSW of Adak, Alaska · 1372 days ago · 78 km deep · 47 km away
  21. 2.151 km SE of Adak, Alaska · 1371 days ago · 30 km deep · 52 km away
  22. 3.763 km SE of Adak, Alaska · 1371 days ago · 35 km deep · 64 km away
  23. 2.653 km WSW of Adak, Alaska · 1371 days ago · 78 km deep · 73 km away
  24. 3.722 km SW of Adak, Alaska · 1371 days ago · 73 km deep · 42 km away
  25. 1.656 km WSW of Adak, Alaska · 1371 days ago · 18 km deep · 76 km away
  26. 1.871 km ESE of Adak, Alaska · 1370 days ago · 22 km deep · 64 km away
  27. 1.99 km SSE of Adak, Alaska · 1370 days ago · 70 km deep · 23 km away
  28. 4.177 km NNE of Adak, Alaska · 1370 days ago · 232 km deep · 63 km away
  29. 2.062 km WSW of Atka, Alaska · 1370 days ago · 13 km deep · 89 km away
  30. 1.940 km SE of Adak, Alaska · 1370 days ago · 59 km deep · 36 km away
  31. 1.888 km WSW of Atka, Alaska · 1370 days ago · 58 km deep · 78 km away
  32. 2.913 km NE of Adak, Alaska · 1370 days ago · 123 km deep · 9 km away
  33. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1369 days ago · 10 km deep · 78 km away
  34. 3.074 km SW of Adak, Alaska · 1369 days ago · 34 km deep · 94 km away
  35. 3.091 km SSE of Adak, Alaska · 1369 days ago · 10 km deep · 97 km away
  36. 2.192 km SSE of Adak, Alaska · 1369 days ago · 13 km deep · 98 km away
  37. 3.087 km SSE of Adak, Alaska · 1369 days ago · 10 km deep · 94 km away
  38. 2.058 km SSE of Adak, Alaska · 1369 days ago · 18 km deep · 60 km away
  39. 2.958 km S of Adak, Alaska · 1369 days ago · 35 km deep · 67 km away
  40. 1.756 km WSW of Adak, Alaska · 1369 days ago · 26 km deep · 76 km away
  41. 2.086 km E of Adak, Alaska · 1368 days ago · 77 km deep · 68 km away
  42. 3.072 km NE of Adak, Alaska · 1368 days ago · 173 km deep · 53 km away
  43. 2.346 km ENE of Adak, Alaska · 1368 days ago · 7 km deep · 26 km away
  44. 1.545 km ENE of Adak, Alaska · 1368 days ago · 6 km deep · 25 km away
  45. 2.048 km SSW of Adak, Alaska · 1368 days ago · 3 km deep · 66 km away
  46. 2.677 km WSW of Atka, Alaska · 1368 days ago · 66 km deep · 82 km away
  47. 1.848 km ENE of Adak, Alaska · 1367 days ago · 5 km deep · 28 km away
  48. 1.982 km SE of Adak, Alaska · 1367 days ago · 22 km deep · 75 km away
  49. 1.641 km SSE of Adak, Alaska · 1367 days ago · 28 km deep · 47 km away
  50. 1.662 km SE of Adak, Alaska · 1367 days ago · 24 km deep · 59 km away
  51. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1366 days ago · 24 km deep · 62 km away
  52. 2.656 km N of Adak, Alaska · 1366 days ago · 204 km deep · 47 km away
  53. 1.759 km SE of Adak, Alaska · 1366 days ago · 24 km deep · 60 km away
  54. 1.553 km SE of Adak, Alaska · 1366 days ago · 24 km deep · 51 km away
  55. 1.646 km ENE of Adak, Alaska · 1366 days ago · 7 km deep · 26 km away
  56. 2.529 km SSE of Adak, Alaska · 1365 days ago · 45 km deep · 38 km away
  57. 1.549 km ENE of Adak, Alaska · 1364 days ago · 9 km deep · 29 km away
  58. 2.029 km W of Adak, Alaska · 1363 days ago · 6 km deep · 46 km away
  59. 3.317 km SE of Adak, Alaska · 1363 days ago · 70 km deep · 21 km away
  60. 3.337 km ENE of Adak, Alaska · 1363 days ago · 126 km deep · 18 km away

The first 60 of 187.

Before

  1. 1.971 km SSE of Adak, Alaska · 1382 days ago · 20 km deep · 77 km away
  2. 1.868 km SW of Adak, Alaska · 1382 days ago · 43 km deep · 89 km away
  3. 3.548 km SE of Adak, Alaska · 1382 days ago · 55 km deep · 46 km away
  4. 3.392 km SW of Atka, Alaska · 1382 days ago · 35 km deep · 92 km away
  5. 2.04 km NNW of Adak, Alaska · 1383 days ago · 69 km deep · 20 km away
  6. 1.860 km SE of Adak, Alaska · 1383 days ago · 26 km deep · 57 km away
  7. 1.746 km SW of Adak, Alaska · 1383 days ago · 38 km deep · 66 km away
  8. 2.996 km SE of Adak, Alaska · 1383 days ago · 10 km deep · 92 km away
  9. 2.553 km ESE of Adak, Alaska · 1384 days ago · 108 km deep · 43 km away
  10. 2.053 km WSW of Adak, Alaska · 1384 days ago · 78 km deep · 74 km away
  11. 2.082 km ESE of Adak, Alaska · 1384 days ago · 24 km deep · 73 km away
  12. 1.960 km SSE of Adak, Alaska · 1384 days ago · 24 km deep · 62 km away
  13. 3.063 km SE of Adak, Alaska · 1385 days ago · 35 km deep · 63 km away
  14. 3.770 km ESE of Adak, Alaska · 1386 days ago · 65 km deep · 57 km away
  15. 3.067 km NE of Adak, Alaska · 1386 days ago · 229 km deep · 48 km away
  16. 2.060 km SSW of Adak, Alaska · 1386 days ago · 39 km deep · 79 km away
  17. 2.285 km E of Adak, Alaska · 1387 days ago · 74 km deep · 68 km away
  18. 3.144 km SSE of Adak, Alaska · 1387 days ago · 43 km deep · 48 km away
  19. 3.245 km SSE of Adak, Alaska · 1387 days ago · 39 km deep · 51 km away
  20. 2.675 km SW of Adak, Alaska · 1387 days ago · 35 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000j2fm (also filed as ak022g7wx9dd). Read Thu, Oct 1, 2026, 5:30 AM UTC.