Alaska earthquakes

M2.8 earthquake 103 km ESE of Adak, Alaska

A magnitude 2.8 earthquake struck 103 km ESE of Adak, Alaska on Fri, Jan 13, 2023, 8:13 AM HAST (18:13 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M3.8 73 km ESE 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-01-13 18:13:13 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.494° N, 175.266° 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
2.8ML, 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 7.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
318°, poorly surrounded by stations
Stations used
10

Nearby

Within 100 km, magnitude 1.5 and up: 122 in the 60 days after this one and 87 in the 30 days before it.

After

  1. 3.130 km S of Atka, Alaska · 1357 days ago · 84 km deep · 84 km away
  2. 2.4Andreanof Islands, Aleutian Islands, Alaska · 1356 days ago · 161 km deep · 82 km away
  3. 3.378 km SSW of Atka, Alaska · 1356 days ago · 35 km deep · 43 km away
  4. 2.879 km SSW of Atka, Alaska · 1356 days ago · 35 km deep · 42 km away
  5. 1.956 km S of Adak, Alaska · 1356 days ago · 24 km deep · 94 km away
  6. 2.188 km E of Adak, Alaska · 1356 days ago · 55 km deep · 34 km away
  7. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1356 days ago · 13 km deep · 92 km away
  8. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1356 days ago · 34 km deep · 77 km away
  9. 2.972 km SSW of Atka, Alaska · 1355 days ago · 20 km deep · 41 km away
  10. 2.9109 km S of Atka, Alaska · 1355 days ago · 10 km deep · 91 km away
  11. 1.955 km S of Adak, Alaska · 1354 days ago · 23 km deep · 93 km away
  12. 1.850 km SSE of Adak, Alaska · 1353 days ago · 33 km deep · 80 km away
  13. 1.759 km SE of Adak, Alaska · 1353 days ago · 25 km deep · 52 km away
  14. 2.095 km ESE of Adak, Alaska · 1352 days ago · 35 km deep · 11 km away
  15. 1.514 km E of Adak, Alaska · 1352 days ago · 13 km deep · 91 km away
  16. 2.034 km ESE of Adak, Alaska · 1352 days ago · 74 km deep · 69 km away
  17. 2.572 km ESE of Adak, Alaska · 1351 days ago · 35 km deep · 32 km away
  18. 2.158 km SW of Atka, Alaska · 1351 days ago · 52 km deep · 49 km away
  19. 2.544 km S of Adak, Alaska · 1350 days ago · 35 km deep · 90 km away
  20. 1.759 km SE of Adak, Alaska · 1350 days ago · 26 km deep · 57 km away
  21. 2.738 km ESE of Adak, Alaska · 1350 days ago · 62 km deep · 65 km away
  22. 2.050 km E of Adak, Alaska · 1350 days ago · 119 km deep · 62 km away
  23. 3.433 km S of Atka, Alaska · 1350 days ago · 10 km deep · 83 km away
  24. 3.796 km ESE of Adak, Alaska · 1349 days ago · 38 km deep · 8 km away
  25. 2.9112 km SSE of Adak, Alaska · 1349 days ago · 10 km deep · 88 km away
  26. 3.146 km SE of Adak, Alaska · 1348 days ago · 63 km deep · 59 km away
  27. 2.151 km S of Adak, Alaska · 1347 days ago · 26 km deep · 88 km away
  28. 3.278 km SE of Adak, Alaska · 1347 days ago · 35 km deep · 29 km away
  29. 1.941 km S of Adak, Alaska · 1344 days ago · 33 km deep · 95 km away
  30. 3.141 km S of Adak, Alaska · 1343 days ago · 35 km deep · 99 km away
  31. 2.7134 km S of Atka, Alaska · 1343 days ago · 10 km deep · 98 km away
  32. 3.066 km SE of Adak, Alaska · 1343 days ago · 35 km deep · 56 km away
  33. 1.834 km S of Adak, Alaska · 1343 days ago · 28 km deep · 99 km away
  34. 3.873 km ESE of Adak, Alaska · 1343 days ago · 46 km deep · 32 km away
  35. 2.755 km NE of Adak, Alaska · 1342 days ago · 183 km deep · 99 km away
  36. 2.017 km S of Atka, Alaska · 1342 days ago · 24 km deep · 97 km away
  37. 1.865 km SSE of Adak, Alaska · 1342 days ago · 22 km deep · 75 km away
  38. 2.254 km ENE of Adak, Alaska · 1342 days ago · 152 km deep · 76 km away
  39. 2.1Andreanof Islands, Aleutian Islands, Alaska · 1341 days ago · 100 km deep · 79 km away
  40. 2.456 km SSE of Atka, Alaska · 1341 days ago · 22 km deep · 94 km away
  41. 2.958 km SE of Adak, Alaska · 1340 days ago · 33 km deep · 57 km away
  42. 2.059 km SSE of Adak, Alaska · 1340 days ago · 25 km deep · 64 km away
  43. 1.956 km SE of Adak, Alaska · 1340 days ago · 25 km deep · 61 km away
  44. 3.075 km ESE of Adak, Alaska · 1339 days ago · 35 km deep · 29 km away
  45. 2.138 km E of Adak, Alaska · 1339 days ago · 67 km deep · 70 km away
  46. 2.956 km S of Adak, Alaska · 1337 days ago · 35 km deep · 87 km away
  47. 3.010 km SE of Adak, Alaska · 1337 days ago · 73 km deep · 94 km away
  48. 1.851 km SE of Adak, Alaska · 1337 days ago · 21 km deep · 60 km away
  49. 1.762 km SE of Adak, Alaska · 1337 days ago · 23 km deep · 54 km away
  50. 1.947 km SE of Adak, Alaska · 1336 days ago · 51 km deep · 58 km away
  51. 1.960 km SE of Adak, Alaska · 1336 days ago · 26 km deep · 57 km away
  52. 2.089 km SW of Atka, Alaska · 1335 days ago · 26 km deep · 21 km away
  53. 1.739 km S of Adak, Alaska · 1335 days ago · 37 km deep · 95 km away
  54. 2.056 km WSW of Atka, Alaska · 1334 days ago · 68 km deep · 55 km away
  55. 1.857 km SE of Adak, Alaska · 1334 days ago · 28 km deep · 57 km away
  56. 1.956 km SE of Adak, Alaska · 1334 days ago · 31 km deep · 60 km away
  57. 1.879 km SW of Atka, Alaska · 1334 days ago · 26 km deep · 30 km away
  58. 2.889 km ESE of Adak, Alaska · 1332 days ago · 35 km deep · 16 km away
  59. 2.2156 km SE of Adak, Alaska · 1332 days ago · 24 km deep · 77 km away
  60. 1.641 km SSE of Adak, Alaska · 1332 days ago · 34 km deep · 77 km away

The first 60 of 122.

Before

  1. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1357 days ago · 71 km deep · 65 km away
  2. 3.247 km WSW of Atka, Alaska · 1357 days ago · 101 km deep · 65 km away
  3. 1.761 km ESE of Adak, Alaska · 1359 days ago · 30 km deep · 43 km away
  4. 1.650 km SSE of Adak, Alaska · 1359 days ago · 19 km deep · 67 km away
  5. 2.854 km S of Adak, Alaska · 1360 days ago · 35 km deep · 96 km away
  6. 2.867 km SSE of Adak, Alaska · 1360 days ago · 35 km deep · 68 km away
  7. 2.984 km ESE of Adak, Alaska · 1360 days ago · 35 km deep · 24 km away
  8. 1.663 km SSE of Adak, Alaska · 1360 days ago · 22 km deep · 65 km away
  9. 2.142 km E of Adak, Alaska · 1360 days ago · 119 km deep · 67 km away
  10. 2.055 km SE of Adak, Alaska · 1360 days ago · 35 km deep · 52 km away
  11. 1.768 km S of Adak, Alaska · 1361 days ago · 26 km deep · 93 km away
  12. 1.964 km SE of Adak, Alaska · 1361 days ago · 19 km deep · 56 km away
  13. 1.641 km SSE of Adak, Alaska · 1362 days ago · 31 km deep · 76 km away
  14. 2.847 km ENE of Adak, Alaska · 1362 days ago · 131 km deep · 72 km away
  15. 1.750 km SSE of Adak, Alaska · 1362 days ago · 24 km deep · 85 km away
  16. 3.172 km WSW of Atka, Alaska · 1362 days ago · 105 km deep · 53 km away
  17. 1.856 km SSE of Adak, Alaska · 1362 days ago · 26 km deep · 77 km away
  18. 1.844 km ENE of Adak, Alaska · 1362 days ago · 6 km deep · 83 km away
  19. 1.648 km ENE of Adak, Alaska · 1363 days ago · 7 km deep · 83 km away
  20. 2.067 km E of Adak, Alaska · 1363 days ago · 33 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jjws (also filed as ak023lss52w). Read Thu, Oct 1, 2026, 8:36 AM UTC.