Alaska earthquakes

M2.6 earthquake 72 km SE of Adak, Alaska

A magnitude 2.6 earthquake struck 72 km SE of Adak, Alaska on Thu, Mar 23, 2023, 6:34 AM HADT (15:34 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.6 15 km SE of Adak, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-03-23 15:34:21 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.455° N, 175.836° 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
2.6ML, 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 4.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
237°, poorly surrounded by stations
Stations used
12

Nearby

Within 100 km, magnitude 1.5 and up: 163 in the 60 days after this one and 60 in the 30 days before it.

After

  1. 1.655 km SE of Adak, Alaska · 1290 days ago · 20 km deep · 19 km away
  2. 2.824 km NE of Adak, Alaska · 1289 days ago · 120 km deep · 77 km away
  3. 2.155 km SW of Adak, Alaska · 1289 days ago · 76 km deep · 98 km away
  4. 2.683 km SW of Atka, Alaska · 1289 days ago · 10 km deep · 63 km away
  5. 2.077 km S of Adak, Alaska · 1289 days ago · 19 km deep · 51 km away
  6. 3.765 km SSE of Adak, Alaska · 1288 days ago · 35 km deep · 22 km away
  7. 1.964 km SSW of Adak, Alaska · 1288 days ago · 26 km deep · 72 km away
  8. 1.757 km ESE of Adak, Alaska · 1287 days ago · 43 km deep · 26 km away
  9. 1.650 km SE of Adak, Alaska · 1287 days ago · 23 km deep · 27 km away
  10. 2.858 km ENE of Adak, Alaska · 1287 days ago · 190 km deep · 79 km away
  11. 1.859 km SE of Adak, Alaska · 1287 days ago · 26 km deep · 14 km away
  12. 3.338 km E of Adak, Alaska · 1286 days ago · 80 km deep · 45 km away
  13. 2.844 km ESE of Adak, Alaska · 1286 days ago · 78 km deep · 36 km away
  14. 1.940 km E of Adak, Alaska · 1285 days ago · 75 km deep · 52 km away
  15. 3.151 km SSE of Adak, Alaska · 1284 days ago · 35 km deep · 39 km away
  16. 1.928 km S of Adak, Alaska · 1284 days ago · 63 km deep · 63 km away
  17. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1284 days ago · 26 km deep · 88 km away
  18. 2.044 km NE of Adak, Alaska · 1283 days ago · 123 km deep · 84 km away
  19. 1.541 km SSE of Adak, Alaska · 1283 days ago · 30 km deep · 39 km away
  20. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1283 days ago · 35 km deep · 48 km away
  21. 1.991 km ESE of Adak, Alaska · 1283 days ago · 47 km deep · 42 km away
  22. 1.738 km SSE of Adak, Alaska · 1283 days ago · 45 km deep · 46 km away
  23. 1.854 km SSE of Adak, Alaska · 1282 days ago · 23 km deep · 27 km away
  24. 1.753 km SSW of Adak, Alaska · 1282 days ago · 44 km deep · 81 km away
  25. 1.863 km SSW of Adak, Alaska · 1282 days ago · 36 km deep · 85 km away
  26. 1.664 km ESE of Adak, Alaska · 1282 days ago · 22 km deep · 33 km away
  27. 2.964 km SSW of Atka, Alaska · 1281 days ago · 35 km deep · 93 km away
  28. 2.560 km SSW of Adak, Alaska · 1281 days ago · 35 km deep · 83 km away
  29. 2.699 km SW of Atka, Alaska · 1281 days ago · 35 km deep · 44 km away
  30. 1.948 km SW of Adak, Alaska · 1280 days ago · 44 km deep · 90 km away
  31. 2.832 km SSE of Adak, Alaska · 1280 days ago · 63 km deep · 47 km away
  32. 2.145 km SE of Adak, Alaska · 1279 days ago · 55 km deep · 27 km away
  33. 1.976 km NE of Adak, Alaska · 1278 days ago · 140 km deep · 94 km away
  34. 1.645 km S of Adak, Alaska · 1278 days ago · 25 km deep · 48 km away
  35. 1.878 km SSE of Adak, Alaska · 1278 days ago · 20 km deep · 41 km away
  36. 2.988 km SE of Adak, Alaska · 1277 days ago · 35 km deep · 17 km away
  37. 2.059 km SE of Adak, Alaska · 1276 days ago · 14 km deep · 22 km away
  38. 2.948 km SW of Adak, Alaska · 1276 days ago · 46 km deep · 85 km away
  39. 4.591 km ESE of Adak, Alaska · 1276 days ago · 55 km deep · 46 km away · felt by 2
  40. 1.957 km SSE of Adak, Alaska · 1275 days ago · 22 km deep · 24 km away
  41. 2.195 km SW of Atka, Alaska · 1275 days ago · 25 km deep · 51 km away
  42. 1.858 km SSW of Adak, Alaska · 1274 days ago · 45 km deep · 88 km away
  43. 1.975 km SE of Adak, Alaska · 1274 days ago · 23 km deep · 4 km away
  44. 2.034 km WSW of Adak, Alaska · 1274 days ago · 79 km deep · 93 km away
  45. 1.999 km SW of Atka, Alaska · 1274 days ago · 26 km deep · 44 km away
  46. 1.975 km ESE of Adak, Alaska · 1273 days ago · 58 km deep · 24 km away
  47. 2.862 km ESE of Adak, Alaska · 1273 days ago · 35 km deep · 16 km away
  48. 1.528 km WSW of Adak, Alaska · 1273 days ago · 11 km deep · 90 km away
  49. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1273 days ago · 10 km deep · 29 km away
  50. 3.9Andreanof Islands, Aleutian Islands, Alaska · 1273 days ago · 10 km deep · 58 km away
  51. 2.064 km S of Adak, Alaska · 1272 days ago · 37 km deep · 63 km away
  52. 2.944 km ESE of Adak, Alaska · 1272 days ago · 59 km deep · 31 km away
  53. 1.948 km E of Adak, Alaska · 1272 days ago · 57 km deep · 41 km away
  54. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1271 days ago · 109 km deep · 70 km away
  55. 1.913 km WNW of Adak, Alaska · 1270 days ago · 87 km deep · 84 km away
  56. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1270 days ago · 35 km deep · 45 km away
  57. 2.743 km SE of Adak, Alaska · 1270 days ago · 57 km deep · 29 km away
  58. 1.854 km SSW of Adak, Alaska · 1270 days ago · 32 km deep · 74 km away
  59. 1.967 km SSW of Adak, Alaska · 1269 days ago · 26 km deep · 81 km away
  60. 1.733 km WSW of Adak, Alaska · 1269 days ago · 11 km deep · 96 km away

The first 60 of 163.

Before

  1. 2.3Andreanof Islands, Aleutian Islands, Alaska · 1292 days ago · 11 km deep · 100 km away
  2. 2.886 km SSE of Adak, Alaska · 1292 days ago · 35 km deep · 44 km away
  3. 2.945 km SSE of Adak, Alaska · 1292 days ago · 35 km deep · 40 km away
  4. 3.253 km SE of Adak, Alaska · 1293 days ago · 35 km deep · 20 km away
  5. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1294 days ago · 35 km deep · 24 km away
  6. 1.758 km SSE of Adak, Alaska · 1296 days ago · 21 km deep · 30 km away
  7. 3.782 km ESE of Adak, Alaska · 1296 days ago · 35 km deep · 16 km away
  8. 1.848 km S of Adak, Alaska · 1297 days ago · 26 km deep · 48 km away
  9. 1.862 km SSW of Adak, Alaska · 1297 days ago · 38 km deep · 81 km away
  10. 1.860 km SSE of Adak, Alaska · 1297 days ago · 24 km deep · 26 km away
  11. 1.67 km ENE of Adak, Alaska · 1297 days ago · 7 km deep · 70 km away
  12. 1.758 km ESE of Adak, Alaska · 1297 days ago · 46 km deep · 19 km away
  13. 1.653 km SSW of Adak, Alaska · 1297 days ago · 28 km deep · 82 km away
  14. 1.952 km SW of Adak, Alaska · 1297 days ago · 34 km deep · 85 km away
  15. 3.032 km N of Adak, Alaska · 1298 days ago · 238 km deep · 94 km away
  16. 1.653 km SW of Adak, Alaska · 1298 days ago · 34 km deep · 87 km away
  17. 1.843 km SSE of Adak, Alaska · 1298 days ago · 25 km deep · 44 km away
  18. 3.189 km SE of Adak, Alaska · 1298 days ago · 35 km deep · 18 km away
  19. 1.950 km SSE of Adak, Alaska · 1298 days ago · 34 km deep · 43 km away
  20. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1299 days ago · 35 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k0xs (also filed as ak0233rv7amj). Read Sun, Oct 4, 2026, 8:59 PM UTC.