Alaska earthquakes

M1.9 earthquake 69 km WSW of Atka, Alaska

A magnitude 1.9 earthquake struck 69 km WSW of Atka, Alaska on Fri, Apr 28, 2023, 4:37 AM HADT (13:37 UTC), 78 km (49 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-04-28 13:37:49 UTC
Depth
78.2 km (48.6 mi), intermediate-depth
Epicenter
51.904° N, 175.101° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 1.670 km E of Adak, Alaska · 1256 days ago · 18 km deep · 38 km away
  2. 1.764 km SE of Adak, Alaska · 1255 days ago · 25 km deep · 71 km away
  3. 2.876 km NNE of Adak, Alaska · 1251 days ago · 179 km deep · 94 km away
  4. 2.072 km ENE of Adak, Alaska · 1250 days ago · 85 km deep · 45 km away
  5. 2.141 km ENE of Adak, Alaska · 1250 days ago · 143 km deep · 69 km away
  6. 2.570 km ESE of Adak, Alaska · 1250 days ago · 81 km deep · 41 km away
  7. 2.832 km ESE of Adak, Alaska · 1249 days ago · 69 km deep · 80 km away
  8. 3.384 km ESE of Adak, Alaska · 1249 days ago · 35 km deep · 50 km away
  9. 2.749 km SSE of Adak, Alaska · 1247 days ago · 48 km deep · 97 km away
  10. 3.236 km NW of Atka, Alaska · 1247 days ago · 192 km deep · 75 km away
  11. 2.191 km SW of Atka, Alaska · 1247 days ago · 26 km deep · 30 km away
  12. 4.587 km ESE of Adak, Alaska · 1246 days ago · 43 km deep · 51 km away
  13. 3.075 km ENE of Adak, Alaska · 1245 days ago · 156 km deep · 43 km away
  14. 2.053 km WSW of Atka, Alaska · 1242 days ago · 84 km deep · 22 km away
  15. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1242 days ago · 73 km deep · 57 km away
  16. 1.662 km SE of Adak, Alaska · 1240 days ago · 13 km deep · 88 km away
  17. 2.960 km NE of Adak, Alaska · 1240 days ago · 204 km deep · 70 km away
  18. 1.959 km NE of Adak, Alaska · 1240 days ago · 122 km deep · 84 km away
  19. 1.960 km ESE of Adak, Alaska · 1240 days ago · 36 km deep · 61 km away
  20. 2.222 km NE of Adak, Alaska · 1239 days ago · 163 km deep · 89 km away
  21. 3.150 km ESE of Adak, Alaska · 1239 days ago · 63 km deep · 60 km away
  22. 2.658 km SSE of Adak, Alaska · 1238 days ago · 35 km deep · 96 km away
  23. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1237 days ago · 18 km deep · 77 km away
  24. 2.861 km SE of Adak, Alaska · 1237 days ago · 35 km deep · 87 km away
  25. 2.959 km SSW of Atka, Alaska · 1237 days ago · 35 km deep · 45 km away
  26. 2.768 km SE of Adak, Alaska · 1236 days ago · 35 km deep · 85 km away
  27. 4.615 km SE of Adak, Alaska · 1236 days ago · 60 km deep · 95 km away
  28. 1.842 km SSE of Adak, Alaska · 1236 days ago · 29 km deep · 97 km away
  29. 1.842 km SSE of Adak, Alaska · 1236 days ago · 38 km deep · 97 km away
  30. 1.640 km SSE of Adak, Alaska · 1236 days ago · 33 km deep · 96 km away
  31. 1.839 km SSE of Adak, Alaska · 1235 days ago · 34 km deep · 96 km away
  32. 1.735 km SSE of Adak, Alaska · 1235 days ago · 34 km deep · 96 km away
  33. 1.540 km SSE of Adak, Alaska · 1235 days ago · 32 km deep · 97 km away
  34. 1.539 km SSE of Adak, Alaska · 1235 days ago · 35 km deep · 97 km away
  35. 2.845 km SSE of Adak, Alaska · 1235 days ago · 34 km deep · 96 km away
  36. 1.545 km SSE of Adak, Alaska · 1235 days ago · 13 km deep · 97 km away
  37. 1.638 km SSE of Adak, Alaska · 1234 days ago · 33 km deep · 96 km away
  38. 1.562 km SE of Adak, Alaska · 1234 days ago · 25 km deep · 83 km away
  39. 1.845 km W of Atka, Alaska · 1234 days ago · 13 km deep · 35 km away
  40. 1.771 km WSW of Atka, Alaska · 1233 days ago · 46 km deep · 5 km away
  41. 1.846 km SSE of Adak, Alaska · 1233 days ago · 34 km deep · 99 km away
  42. 1.541 km SSE of Adak, Alaska · 1233 days ago · 37 km deep · 96 km away
  43. 1.674 km ESE of Adak, Alaska · 1232 days ago · 49 km deep · 49 km away
  44. 1.696 km ESE of Adak, Alaska · 1232 days ago · 51 km deep · 42 km away
  45. 3.231 km SSE of Adak, Alaska · 1232 days ago · 42 km deep · 95 km away
  46. 1.652 km ESE of Adak, Alaska · 1231 days ago · 49 km deep · 66 km away
  47. 3.255 km ESE of Adak, Alaska · 1231 days ago · 35 km deep · 66 km away
  48. 3.925 km ENE of Atka, Alaska · 1230 days ago · 121 km deep · 94 km away
  49. 1.740 km SSE of Adak, Alaska · 1230 days ago · 46 km deep · 97 km away
  50. 1.934 km ESE of Adak, Alaska · 1230 days ago · 54 km deep · 78 km away
  51. 2.684 km SE of Adak, Alaska · 1229 days ago · 35 km deep · 72 km away
  52. 3.358 km SE of Adak, Alaska · 1229 days ago · 42 km deep · 75 km away
  53. 2.654 km SSW of Atka, Alaska · 1229 days ago · 10 km deep · 34 km away
  54. 1.657 km SE of Adak, Alaska · 1229 days ago · 7 km deep · 74 km away
  55. 1.617 km NNE of Atka, Alaska · 1229 days ago · 7 km deep · 85 km away
  56. 1.964 km SSE of Adak, Alaska · 1228 days ago · 21 km deep · 97 km away
  57. 1.961 km SE of Adak, Alaska · 1228 days ago · 22 km deep · 88 km away
  58. 1.957 km SSE of Adak, Alaska · 1227 days ago · 18 km deep · 90 km away
  59. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1226 days ago · 35 km deep · 87 km away
  60. 3.366 km SE of Adak, Alaska · 1226 days ago · 35 km deep · 75 km away

The first 60 of 160.

Before

  1. 2.043 km E of Adak, Alaska · 1256 days ago · 132 km deep · 62 km away
  2. 1.858 km SE of Adak, Alaska · 1256 days ago · 24 km deep · 85 km away
  3. 1.553 km SSE of Adak, Alaska · 1256 days ago · 18 km deep · 97 km away
  4. 1.978 km SW of Atka, Alaska · 1256 days ago · 36 km deep · 12 km away
  5. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1256 days ago · 41 km deep · 17 km away
  6. 3.0Andreanof Islands, Aleutian Islands, Alaska · 1257 days ago · 178 km deep · 73 km away
  7. 3.229 km NNW of Atka, Alaska · 1257 days ago · 173 km deep · 75 km away
  8. 2.547 km SSE of Adak, Alaska · 1257 days ago · 35 km deep · 97 km away
  9. 3.060 km SE of Adak, Alaska · 1258 days ago · 35 km deep · 77 km away
  10. 2.180 km SE of Adak, Alaska · 1258 days ago · 31 km deep · 75 km away
  11. 3.829 km E of Atka, Alaska · 1259 days ago · 96 km deep · 97 km away · felt by 1
  12. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1259 days ago · 35 km deep · 67 km away
  13. 2.764 km SW of Atka, Alaska · 1260 days ago · 70 km deep · 16 km away
  14. 2.047 km SW of Atka, Alaska · 1260 days ago · 64 km deep · 31 km away
  15. 2.154 km SSE of Atka, Alaska · 1261 days ago · 5 km deep · 78 km away
  16. 2.511 km SE of Adak, Alaska · 1262 days ago · 74 km deep · 96 km away
  17. 3.577 km WSW of Atka, Alaska · 1262 days ago · 74 km deep · 8 km away
  18. 2.8101 km ESE of Adak, Alaska · 1263 days ago · 35 km deep · 40 km away
  19. 4.781 km NE of Adak, Alaska · 1263 days ago · 171 km deep · 76 km away · felt by 2
  20. 3.652 km SE of Adak, Alaska · 1264 days ago · 40 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0235fddmf9. Read Mon, Oct 5, 2026, 11:42 AM UTC.