Alaska earthquakes

M1.6 earthquake 31 km WSW of Adak, Alaska

A magnitude 1.6 earthquake struck 31 km WSW of Adak, Alaska on Thu, Jan 22, 2026, 5:56 PM HAST (03:56 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.3 39 km E 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
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-01-23 03:56:01 UTC
Depth
10.4 km (6.5 mi), shallow
Epicenter
51.725° N, 177.018° 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
1.6ML, local (Richter)Alaska Earthquake CenterPreferred · Reviewed · ±0.4 · 5 stations
1.6ML, local (Richter)AVFinal · ±0.0492293677517868 · 5 stations

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 9.3 km horizontally, 5.4 km in depth
Magnitude uncertainty
±0.40
Station coverage gap
215°, poorly surrounded by stations
Stations used
8

Nearby

Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 57 in the 30 days before it.

After

  1. 2.777 km SW of Adak, Alaska · 252 days ago · 35 km deep · 47 km away
  2. 2.578 km SW of Adak, Alaska · 252 days ago · 16 km deep · 47 km away
  3. 2.033 km WSW of Adak, Alaska · 251 days ago · 15 km deep · 3 km away
  4. 2.156 km ESE of Adak, Alaska · 251 days ago · 62 km deep · 79 km away
  5. 3.445 km SSE of Adak, Alaska · 250 days ago · 35 km deep · 51 km away
  6. 5.339 km E of Adak, Alaska · 250 days ago · 61 km deep · 69 km away · felt by 3 · tsunami flag
  7. 2.463 km SSW of Adak, Alaska · 250 days ago · 8 km deep · 45 km away
  8. 2.454 km SSE of Adak, Alaska · 250 days ago · 9 km deep · 56 km away
  9. 2.563 km SSE of Adak, Alaska · 250 days ago · 35 km deep · 67 km away
  10. 2.142 km SW of Adak, Alaska · 250 days ago · 60 km deep · 17 km away
  11. 2.755 km E of Adak, Alaska · 249 days ago · 164 km deep · 84 km away
  12. 2.292 km SW of Adak, Alaska · 249 days ago · 35 km deep · 62 km away
  13. 3.246 km ESE of Adak, Alaska · 249 days ago · 51 km deep · 70 km away
  14. 2.454 km S of Adak, Alaska · 249 days ago · 31 km deep · 49 km away
  15. 2.584 km S of Adak, Alaska · 248 days ago · 10 km deep · 79 km away
  16. 2.7100 km SW of Adak, Alaska · 248 days ago · 35 km deep · 72 km away
  17. 2.466 km ESE of Adak, Alaska · 248 days ago · 35 km deep · 85 km away
  18. 2.270 km SSW of Adak, Alaska · 248 days ago · 35 km deep · 46 km away
  19. 2.755 km SSW of Adak, Alaska · 248 days ago · 31 km deep · 34 km away
  20. 2.460 km SSE of Adak, Alaska · 248 days ago · 22 km deep · 68 km away
  21. 2.648 km ESE of Adak, Alaska · 248 days ago · 76 km deep · 72 km away
  22. 2.551 km SE of Adak, Alaska · 247 days ago · 59 km deep · 70 km away
  23. 3.541 km SSW of Adak, Alaska · 247 days ago · 61 km deep · 29 km away
  24. 2.9101 km WSW of Adak, Alaska · 246 days ago · 35 km deep · 70 km away
  25. 2.570 km SE of Adak, Alaska · 246 days ago · 35 km deep · 82 km away
  26. 3.097 km SW of Adak, Alaska · 245 days ago · 35 km deep · 67 km away
  27. 1.78 km SSE of Adak, Alaska · 245 days ago · 81 km deep · 30 km away
  28. 2.367 km SW of Adak, Alaska · 244 days ago · 15 km deep · 37 km away
  29. 2.841 km E of Adak, Alaska · 244 days ago · 136 km deep · 71 km away
  30. 2.160 km SE of Adak, Alaska · 244 days ago · 31 km deep · 70 km away
  31. 1.949 km E of Adak, Alaska · 244 days ago · 133 km deep · 79 km away
  32. 2.549 km S of Adak, Alaska · 243 days ago · 35 km deep · 45 km away
  33. 2.651 km SSE of Adak, Alaska · 243 days ago · 38 km deep · 58 km away
  34. 5.140 km E of Adak, Alaska · 243 days ago · 62 km deep · 69 km away · felt by 1
  35. 3.259 km SE of Adak, Alaska · 242 days ago · 35 km deep · 70 km away
  36. 3.02 km S of Adak, Alaska · 242 days ago · 121 km deep · 30 km away
  37. 2.1123 km W of Adak, Alaska · 241 days ago · 14 km deep · 95 km away
  38. 2.679 km SW of Adak, Alaska · 241 days ago · 37 km deep · 49 km away
  39. 3.2121 km SSW of Adak, Alaska · 239 days ago · 10 km deep · 97 km away
  40. 2.5111 km SW of Adak, Alaska · 239 days ago · 35 km deep · 81 km away
  41. 2.790 km WSW of Adak, Alaska · 238 days ago · 42 km deep · 59 km away
  42. 2.618 km SW of Adak, Alaska · 238 days ago · 10 km deep · 14 km away
  43. 2.6115 km WSW of Adak, Alaska · 238 days ago · 35 km deep · 84 km away
  44. 2.015 km WSW of Adak, Alaska · 238 days ago · 13 km deep · 16 km away
  45. 2.593 km SSE of Adak, Alaska · 238 days ago · 10 km deep · 93 km away
  46. 2.453 km SW of Adak, Alaska · 237 days ago · 36 km deep · 27 km away
  47. 1.816 km WSW of Adak, Alaska · 237 days ago · 13 km deep · 15 km away
  48. 2.380 km WSW of Adak, Alaska · 237 days ago · 60 km deep · 50 km away
  49. 2.278 km WSW of Adak, Alaska · 237 days ago · 65 km deep · 47 km away
  50. 1.918 km SSE of Adak, Alaska · 237 days ago · 10 km deep · 35 km away
  51. 2.4126 km SW of Adak, Alaska · 236 days ago · 10 km deep · 96 km away
  52. 2.764 km SE of Adak, Alaska · 235 days ago · 35 km deep · 73 km away
  53. 3.1108 km WSW of Adak, Alaska · 233 days ago · 73 km deep · 78 km away
  54. 4.092 km WSW of Adak, Alaska · 232 days ago · 59 km deep · 61 km away
  55. 3.237 km SE of Adak, Alaska · 232 days ago · 74 km deep · 55 km away
  56. 2.960 km SSE of Adak, Alaska · 232 days ago · 35 km deep · 60 km away
  57. 3.8105 km SW of Adak, Alaska · 231 days ago · 35 km deep · 75 km away
  58. 3.944 km E of Adak, Alaska · 231 days ago · 62 km deep · 72 km away
  59. 2.972 km SSE of Adak, Alaska · 230 days ago · 35 km deep · 79 km away
  60. 2.478 km ESE of Adak, Alaska · 230 days ago · 35 km deep · 96 km away

The first 60 of 160.

Before

  1. 3.044 km SSE of Adak, Alaska · 252 days ago · 35 km deep · 51 km away
  2. 2.5108 km SW of Adak, Alaska · 252 days ago · 27 km deep · 77 km away
  3. 3.169 km SE of Adak, Alaska · 252 days ago · 33 km deep · 78 km away
  4. 2.2129 km WSW of Adak, Alaska · 253 days ago · 6 km deep · 98 km away
  5. 2.340 km SSE of Adak, Alaska · 253 days ago · 33 km deep · 48 km away
  6. 2.940 km SSE of Adak, Alaska · 254 days ago · 35 km deep · 49 km away
  7. 3.337 km SSE of Adak, Alaska · 254 days ago · 35 km deep · 47 km away
  8. 1.632 km NE of Adak, Alaska · 255 days ago · 15 km deep · 64 km away
  9. 2.796 km SW of Adak, Alaska · 255 days ago · 28 km deep · 69 km away
  10. 2.872 km SE of Adak, Alaska · 255 days ago · 19 km deep · 83 km away
  11. 2.536 km ENE of Adak, Alaska · 255 days ago · 125 km deep · 67 km away
  12. 2.569 km SSW of Adak, Alaska · 255 days ago · 35 km deep · 47 km away
  13. 2.237 km SSW of Adak, Alaska · 255 days ago · 65 km deep · 17 km away
  14. 3.568 km SSW of Adak, Alaska · 255 days ago · 35 km deep · 45 km away
  15. 2.967 km SSW of Adak, Alaska · 256 days ago · 35 km deep · 44 km away
  16. 2.676 km WSW of Adak, Alaska · 256 days ago · 66 km deep · 46 km away
  17. 2.755 km SSE of Adak, Alaska · 257 days ago · 31 km deep · 59 km away
  18. 2.328 km SE of Adak, Alaska · 257 days ago · 66 km deep · 44 km away
  19. 2.869 km SSE of Adak, Alaska · 258 days ago · 16 km deep · 73 km away
  20. 4.228 km SSE of Adak, Alaska · 259 days ago · 52 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak2026borutm (also filed as av94007596). Read Fri, Oct 2, 2026, 1:00 AM UTC.