Alaska earthquakes

M2.9 earthquake 88 km SE of Adak, Alaska

A magnitude 2.9 earthquake struck 88 km SE of Adak, Alaska on Thu, Apr 6, 2023, 11:00 PM HADT (08:00 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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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
2023-04-07 08:00:23 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.396° N, 175.605° 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
2.6ML, 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 2.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
244°, poorly surrounded by stations
Stations used
13

Nearby

Within 100 km, magnitude 1.5 and up: 152 in the 60 days after this one and 76 in the 30 days before it.

After

  1. 2.059 km SE of Adak, Alaska · 1274 days ago · 14 km deep · 38 km away
  2. 4.591 km ESE of Adak, Alaska · 1274 days ago · 55 km deep · 41 km away · felt by 2
  3. 1.957 km SSE of Adak, Alaska · 1274 days ago · 22 km deep · 40 km away
  4. 2.195 km SW of Atka, Alaska · 1273 days ago · 25 km deep · 38 km away
  5. 1.975 km SE of Adak, Alaska · 1272 days ago · 23 km deep · 14 km away
  6. 1.999 km SW of Atka, Alaska · 1272 days ago · 26 km deep · 32 km away
  7. 1.975 km ESE of Adak, Alaska · 1272 days ago · 58 km deep · 25 km away
  8. 2.862 km ESE of Adak, Alaska · 1271 days ago · 35 km deep · 28 km away
  9. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1271 days ago · 10 km deep · 36 km away
  10. 3.9Andreanof Islands, Aleutian Islands, Alaska · 1271 days ago · 10 km deep · 62 km away
  11. 2.064 km S of Adak, Alaska · 1271 days ago · 37 km deep · 77 km away
  12. 2.944 km ESE of Adak, Alaska · 1271 days ago · 59 km deep · 46 km away
  13. 1.948 km E of Adak, Alaska · 1270 days ago · 57 km deep · 53 km away
  14. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1269 days ago · 109 km deep · 73 km away
  15. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1269 days ago · 35 km deep · 50 km away
  16. 2.743 km SE of Adak, Alaska · 1269 days ago · 57 km deep · 45 km away
  17. 1.854 km SSW of Adak, Alaska · 1268 days ago · 32 km deep · 90 km away
  18. 1.967 km SSW of Adak, Alaska · 1268 days ago · 26 km deep · 96 km away
  19. 2.679 km SW of Atka, Alaska · 1267 days ago · 60 km deep · 53 km away
  20. 1.753 km SSE of Adak, Alaska · 1267 days ago · 26 km deep · 48 km away
  21. 1.662 km SE of Adak, Alaska · 1267 days ago · 25 km deep · 27 km away
  22. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1267 days ago · 154 km deep · 87 km away
  23. 1.663 km ESE of Adak, Alaska · 1267 days ago · 28 km deep · 29 km away
  24. 1.752 km S of Adak, Alaska · 1266 days ago · 18 km deep · 64 km away
  25. 1.840 km ESE of Adak, Alaska · 1266 days ago · 29 km deep · 50 km away
  26. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1266 days ago · 35 km deep · 34 km away
  27. 3.451 km SSW of Adak, Alaska · 1265 days ago · 35 km deep · 97 km away
  28. 3.059 km SSW of Adak, Alaska · 1265 days ago · 35 km deep · 90 km away
  29. 3.8Andreanof Islands, Aleutian Islands, Alaska · 1265 days ago · 35 km deep · 32 km away
  30. 3.0119 km SSW of Atka, Alaska · 1264 days ago · 31 km deep · 47 km away
  31. 2.659 km S of Adak, Alaska · 1263 days ago · 35 km deep · 78 km away
  32. 3.774 km E of Adak, Alaska · 1262 days ago · 71 km deep · 47 km away
  33. 3.652 km SE of Adak, Alaska · 1262 days ago · 40 km deep · 43 km away
  34. 1.971 km SSE of Adak, Alaska · 1261 days ago · 14 km deep · 55 km away
  35. 1.865 km SSE of Adak, Alaska · 1261 days ago · 23 km deep · 58 km away
  36. 2.8101 km ESE of Adak, Alaska · 1260 days ago · 35 km deep · 30 km away
  37. 1.870 km SSW of Adak, Alaska · 1260 days ago · 19 km deep · 99 km away
  38. 3.577 km WSW of Atka, Alaska · 1260 days ago · 74 km deep · 61 km away
  39. 2.511 km SE of Adak, Alaska · 1260 days ago · 74 km deep · 77 km away
  40. 2.047 km SW of Atka, Alaska · 1258 days ago · 64 km deep · 84 km away
  41. 2.764 km SW of Atka, Alaska · 1258 days ago · 70 km deep · 67 km away
  42. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1256 days ago · 35 km deep · 63 km away
  43. 3.950 km SSW of Adak, Alaska · 1256 days ago · 51 km deep · 97 km away
  44. 2.180 km SE of Adak, Alaska · 1256 days ago · 31 km deep · 13 km away
  45. 3.060 km SE of Adak, Alaska · 1256 days ago · 35 km deep · 30 km away
  46. 2.569 km SSE of Adak, Alaska · 1256 days ago · 28 km deep · 46 km away
  47. 2.547 km SSE of Adak, Alaska · 1255 days ago · 35 km deep · 51 km away
  48. 2.6152 km SE of Adak, Alaska · 1255 days ago · 10 km deep · 68 km away
  49. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1254 days ago · 41 km deep · 49 km away
  50. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1254 days ago · 72 km deep · 93 km away
  51. 1.978 km SW of Atka, Alaska · 1254 days ago · 36 km deep · 55 km away
  52. 1.553 km SSE of Adak, Alaska · 1254 days ago · 18 km deep · 47 km away
  53. 1.858 km SE of Adak, Alaska · 1254 days ago · 24 km deep · 36 km away
  54. 2.043 km E of Adak, Alaska · 1254 days ago · 132 km deep · 63 km away
  55. 1.969 km WSW of Atka, Alaska · 1254 days ago · 78 km deep · 66 km away
  56. 1.670 km E of Adak, Alaska · 1254 days ago · 18 km deep · 44 km away
  57. 1.764 km SE of Adak, Alaska · 1253 days ago · 25 km deep · 25 km away
  58. 2.769 km SSW of Adak, Alaska · 1251 days ago · 35 km deep · 99 km away
  59. 3.542 km SW of Adak, Alaska · 1251 days ago · 31 km deep · 97 km away
  60. 2.072 km ENE of Adak, Alaska · 1248 days ago · 85 km deep · 81 km away

The first 60 of 152.

Before

  1. 1.878 km SSE of Adak, Alaska · 1276 days ago · 20 km deep · 51 km away
  2. 1.645 km S of Adak, Alaska · 1276 days ago · 25 km deep · 65 km away
  3. 1.959 km SSW of Atka, Alaska · 1278 days ago · 23 km deep · 90 km away
  4. 2.145 km SE of Adak, Alaska · 1278 days ago · 55 km deep · 43 km away
  5. 3.353 km SSW of Atka, Alaska · 1278 days ago · 35 km deep · 90 km away
  6. 2.832 km SSE of Adak, Alaska · 1279 days ago · 63 km deep · 64 km away
  7. 2.699 km SW of Atka, Alaska · 1279 days ago · 35 km deep · 33 km away
  8. 2.560 km SSW of Adak, Alaska · 1279 days ago · 35 km deep · 99 km away
  9. 2.964 km SSW of Atka, Alaska · 1279 days ago · 35 km deep · 80 km away
  10. 1.664 km ESE of Adak, Alaska · 1280 days ago · 22 km deep · 39 km away
  11. 1.753 km SSW of Adak, Alaska · 1280 days ago · 44 km deep · 98 km away
  12. 1.854 km SSE of Adak, Alaska · 1281 days ago · 23 km deep · 43 km away
  13. 1.738 km SSE of Adak, Alaska · 1281 days ago · 45 km deep · 63 km away
  14. 1.991 km ESE of Adak, Alaska · 1281 days ago · 47 km deep · 36 km away
  15. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1281 days ago · 35 km deep · 65 km away
  16. 1.541 km SSE of Adak, Alaska · 1282 days ago · 30 km deep · 56 km away
  17. 2.044 km NE of Adak, Alaska · 1282 days ago · 123 km deep · 96 km away
  18. 1.928 km S of Adak, Alaska · 1282 days ago · 63 km deep · 80 km away
  19. 3.151 km SSE of Adak, Alaska · 1282 days ago · 35 km deep · 56 km away
  20. 3.043 km WSW of Atka, Alaska · 1283 days ago · 139 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k3xz (also filed as ak0234gjw6kn). Read Sat, Oct 3, 2026, 7:51 AM UTC.