Alaska earthquakes

M2.8 earthquake 85 km SSW of Unalaska, Alaska

A magnitude 2.8 earthquake struck 85 km SSW of Unalaska, Alaska on Mon, Jan 16, 2023, 8:03 PM AKST (05:03 UTC), 25 km (15 mi) below the surface.

A larger quake followed: M3.9 89 km ENE of Nikolski, 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
2.8 (ml), micro
Local time
UTC
2023-01-17 05:03:33 UTC
Depth
24.7 km (15.3 mi), shallow
Epicenter
53.144° N, 166.911° 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.

Location uncertainty
About 2.5 km horizontally, 14.5 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
217°, poorly surrounded by stations
Stations used
23

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 124 in the 60 days after this one and 68 in the 30 days before it.

After

  1. 1.779 km SSW of Unalaska, Alaska · 1352 days ago · 47 km deep · 7 km away
  2. 1.854 km NE of Nikolski, Alaska · 1352 days ago · 20 km deep · 91 km away
  3. 1.553 km ENE of Nikolski, Alaska · 1352 days ago · 3 km deep · 85 km away
  4. 1.985 km S of Unalaska, Alaska · 1351 days ago · 26 km deep · 17 km away
  5. 1.64 km NNE of Dutch Harbor, Alaska · 1350 days ago · 7 km deep · 91 km away
  6. 2.587 km SSW of Unalaska, Alaska · 1350 days ago · 28 km deep · 7 km away
  7. 1.871 km WSW of Unalaska, Alaska · 1350 days ago · 14 km deep · 58 km away
  8. 1.55 km WSW of Dutch Harbor, Alaska · 1350 days ago · 8 km deep · 83 km away
  9. 3.0Fox Islands, Aleutian Islands, Alaska · 1349 days ago · 34 km deep · 85 km away
  10. 1.678 km SSW of Unalaska, Alaska · 1349 days ago · 30 km deep · 7 km away
  11. 1.875 km SSW of Unalaska, Alaska · 1349 days ago · 26 km deep · 10 km away
  12. 1.556 km SW of Unalaska, Alaska · 1348 days ago · 13 km deep · 48 km away
  13. 2.387 km SSW of Unalaska, Alaska · 1348 days ago · 115 km deep · 21 km away
  14. 1.7Fox Islands, Aleutian Islands, Alaska · 1346 days ago · 7 km deep · 80 km away
  15. 2.352 km ESE of Nikolski, Alaska · 1346 days ago · 23 km deep · 93 km away
  16. 2.051 km ESE of Nikolski, Alaska · 1345 days ago · 22 km deep · 99 km away
  17. 1.991 km E of Nikolski, Alaska · 1345 days ago · 50 km deep · 43 km away
  18. 1.56 km WSW of Unalaska, Alaska · 1344 days ago · 7 km deep · 82 km away
  19. 2.059 km S of Unalaska, Alaska · 1344 days ago · 52 km deep · 33 km away
  20. 1.764 km SE of Unalaska, Alaska · 1344 days ago · 11 km deep · 80 km away
  21. 2.1137 km S of Unalaska, Alaska · 1343 days ago · 9 km deep · 60 km away
  22. 2.152 km SW of Unalaska, Alaska · 1343 days ago · 65 km deep · 40 km away
  23. 2.2Fox Islands, Aleutian Islands, Alaska · 1343 days ago · 106 km deep · 91 km away
  24. 2.0Fox Islands, Aleutian Islands, Alaska · 1342 days ago · 20 km deep · 37 km away
  25. 2.1100 km E of Nikolski, Alaska · 1342 days ago · 26 km deep · 37 km away
  26. 1.786 km SSW of Unalaska, Alaska · 1340 days ago · 18 km deep · 4 km away
  27. 1.872 km ENE of Nikolski, Alaska · 1339 days ago · 66 km deep · 68 km away
  28. 2.0Fox Islands, Aleutian Islands, Alaska · 1339 days ago · 50 km deep · 34 km away
  29. 2.287 km SSW of Unalaska, Alaska · 1339 days ago · 26 km deep · 3 km away
  30. 1.635 km ESE of Unalaska, Alaska · 1338 days ago · 27 km deep · 83 km away
  31. 2.087 km E of Nikolski, Alaska · 1338 days ago · 15 km deep · 47 km away
  32. 2.960 km ENE of Nikolski, Alaska · 1338 days ago · 63 km deep · 77 km away
  33. 2.022 km SW of Unalaska, Alaska · 1338 days ago · 62 km deep · 64 km away
  34. 2.097 km SSE of Unalaska, Alaska · 1337 days ago · 23 km deep · 58 km away
  35. 1.967 km ESE of Nikolski, Alaska · 1337 days ago · 26 km deep · 84 km away
  36. 3.141 km SSE of Unalaska, Alaska · 1337 days ago · 63 km deep · 65 km away
  37. 1.741 km S of Unalaska, Alaska · 1337 days ago · 60 km deep · 47 km away
  38. 2.076 km SW of Unalaska, Alaska · 1336 days ago · 73 km deep · 42 km away
  39. 2.2Fox Islands, Aleutian Islands, Alaska · 1335 days ago · 26 km deep · 85 km away
  40. 1.574 km SW of Unalaska, Alaska · 1335 days ago · 13 km deep · 34 km away
  41. 1.937 km ESE of Unalaska, Alaska · 1335 days ago · 64 km deep · 87 km away
  42. 1.540 km ESE of Unalaska, Alaska · 1335 days ago · 29 km deep · 92 km away
  43. 1.889 km ENE of Nikolski, Alaska · 1334 days ago · 70 km deep · 55 km away
  44. 1.947 km S of Akutan, Alaska · 1334 days ago · 28 km deep · 95 km away
  45. 1.866 km SSW of Unalaska, Alaska · 1333 days ago · 42 km deep · 19 km away
  46. 2.1134 km S of Unalaska, Alaska · 1332 days ago · 14 km deep · 53 km away
  47. 3.989 km ENE of Nikolski, Alaska · 1332 days ago · 55 km deep · 45 km away
  48. 1.842 km S of Unalaska, Alaska · 1331 days ago · 65 km deep · 50 km away
  49. 1.834 km ESE of Unalaska, Alaska · 1330 days ago · 72 km deep · 91 km away
  50. 2.092 km S of Unalaska, Alaska · 1330 days ago · 53 km deep · 14 km away
  51. 1.797 km ENE of Nikolski, Alaska · 1330 days ago · 59 km deep · 35 km away
  52. 2.1Fox Islands, Aleutian Islands, Alaska · 1330 days ago · 41 km deep · 24 km away
  53. 1.9133 km S of Unalaska, Alaska · 1330 days ago · 6 km deep · 55 km away
  54. 2.068 km ENE of Nikolski, Alaska · 1329 days ago · 73 km deep · 71 km away
  55. 2.675 km SE of Unalaska, Alaska · 1329 days ago · 35 km deep · 92 km away
  56. 1.781 km SSW of Unalaska, Alaska · 1329 days ago · 22 km deep · 4 km away
  57. 2.575 km S of Unalaska, Alaska · 1328 days ago · 35 km deep · 15 km away
  58. 2.179 km S of Unalaska, Alaska · 1327 days ago · 34 km deep · 14 km away
  59. 3.5Fox Islands, Aleutian Islands, Alaska · 1327 days ago · 68 km deep · 44 km away
  60. 2.191 km E of Nikolski, Alaska · 1327 days ago · 52 km deep · 46 km away

The first 60 of 124.

Before

  1. 1.883 km SSW of Unalaska, Alaska · 1352 days ago · 15 km deep · 2 km away
  2. 1.782 km SSW of Unalaska, Alaska · 1352 days ago · 23 km deep · 5 km away
  3. 1.570 km SW of Unalaska, Alaska · 1353 days ago · 13 km deep · 44 km away
  4. 1.674 km SSW of Unalaska, Alaska · 1354 days ago · 48 km deep · 11 km away
  5. 1.871 km E of Nikolski, Alaska · 1354 days ago · 48 km deep · 67 km away
  6. 1.574 km WSW of Unalaska, Alaska · 1354 days ago · 13 km deep · 60 km away
  7. 1.658 km S of Akutan, Alaska · 1355 days ago · 44 km deep · 99 km away
  8. 3.0Fox Islands, Aleutian Islands, Alaska · 1355 days ago · 12 km deep · 50 km away
  9. 1.636 km SE of Unalaska, Alaska · 1355 days ago · 44 km deep · 74 km away
  10. 2.0101 km E of Nikolski, Alaska · 1355 days ago · 37 km deep · 36 km away
  11. 2.0104 km E of Nikolski, Alaska · 1355 days ago · 12 km deep · 38 km away
  12. 2.196 km E of Nikolski, Alaska · 1355 days ago · 51 km deep · 39 km away
  13. 2.195 km E of Nikolski, Alaska · 1355 days ago · 52 km deep · 40 km away
  14. 1.7100 km E of Nikolski, Alaska · 1357 days ago · 29 km deep · 41 km away
  15. 1.899 km E of Nikolski, Alaska · 1357 days ago · 30 km deep · 49 km away
  16. 1.6Fox Islands, Aleutian Islands, Alaska · 1358 days ago · 7 km deep · 95 km away
  17. 2.267 km SE of Unalaska, Alaska · 1358 days ago · 37 km deep · 78 km away
  18. 2.79 km ENE of Dutch Harbor, Alaska · 1358 days ago · 9 km deep · 94 km away
  19. 1.69 km NE of Dutch Harbor, Alaska · 1358 days ago · 10 km deep · 94 km away
  20. 1.99 km NE of Dutch Harbor, Alaska · 1358 days ago · 5 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jklz (also filed as ak023s74s3j). Read Wed, Sep 30, 2026, 2:49 AM UTC.