Alaska earthquakes

M1.9 earthquake 86 km S of Unalaska, Alaska

A magnitude 1.9 earthquake struck 86 km S of Unalaska, Alaska on Mon, Jan 20, 2025, 9:52 AM AKST (18:52 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M5.6 86 km SSW of Unalaska, 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
1.9 (ml), micro
Local time
UTC
2025-01-20 18:52:34 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
53.104° N, 166.643° 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
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 69 in the 30 days before it.

After

  1. 1.976 km S of Unalaska, Alaska · 617 days ago · 34 km deep · 12 km away
  2. 2.7108 km E of Nikolski, Alaska · 617 days ago · 35 km deep · 57 km away
  3. 1.8104 km E of Nikolski, Alaska · 617 days ago · 26 km deep · 47 km away
  4. 2.7114 km ESE of Nikolski, Alaska · 617 days ago · 10 km deep · 58 km away
  5. 1.871 km SSE of Akutan, Alaska · 617 days ago · 26 km deep · 92 km away
  6. 5.2126 km S of Unalaska, Alaska · 617 days ago · 10 km deep · 40 km away · felt by 2
  7. 2.4118 km S of Unalaska, Alaska · 617 days ago · 16 km deep · 34 km away
  8. 2.3128 km S of Unalaska, Alaska · 617 days ago · 24 km deep · 43 km away
  9. 2.2120 km S of Unalaska, Alaska · 617 days ago · 19 km deep · 34 km away
  10. 2.7109 km S of Unalaska, Alaska · 617 days ago · 35 km deep · 24 km away
  11. 3.3140 km S of Unalaska, Alaska · 617 days ago · 10 km deep · 54 km away
  12. 3.4125 km S of Unalaska, Alaska · 617 days ago · 7 km deep · 40 km away
  13. 3.0106 km E of Nikolski, Alaska · 617 days ago · 35 km deep · 50 km away
  14. 3.4138 km S of Unalaska, Alaska · 617 days ago · 30 km deep · 53 km away
  15. 2.1121 km S of Unalaska, Alaska · 617 days ago · 11 km deep · 36 km away
  16. 2.6124 km S of Unalaska, Alaska · 617 days ago · 35 km deep · 38 km away
  17. 2.8136 km S of Unalaska, Alaska · 617 days ago · 10 km deep · 50 km away
  18. 2.7129 km S of Unalaska, Alaska · 617 days ago · 25 km deep · 43 km away
  19. 4.4123 km S of Unalaska, Alaska · 617 days ago · 10 km deep · 38 km away
  20. 2.7139 km S of Unalaska, Alaska · 617 days ago · 10 km deep · 54 km away
  21. 2.4118 km S of Unalaska, Alaska · 617 days ago · 15 km deep · 33 km away
  22. 2.4126 km S of Unalaska, Alaska · 617 days ago · 13 km deep · 41 km away
  23. 3.5129 km S of Unalaska, Alaska · 617 days ago · 32 km deep · 44 km away
  24. 3.2133 km S of Unalaska, Alaska · 617 days ago · 35 km deep · 48 km away
  25. 2.6133 km S of Unalaska, Alaska · 617 days ago · 20 km deep · 47 km away
  26. 2.4130 km S of Unalaska, Alaska · 616 days ago · 18 km deep · 44 km away
  27. 2.6138 km S of Unalaska, Alaska · 616 days ago · 30 km deep · 52 km away
  28. 2.8104 km SSW of Unalaska, Alaska · 616 days ago · 35 km deep · 23 km away
  29. 2.089 km SSW of Unalaska, Alaska · 616 days ago · 19 km deep · 27 km away
  30. 3.2125 km S of Unalaska, Alaska · 616 days ago · 10 km deep · 40 km away
  31. 3.5136 km S of Unalaska, Alaska · 616 days ago · 10 km deep · 51 km away
  32. 2.9128 km S of Unalaska, Alaska · 616 days ago · 10 km deep · 42 km away
  33. 3.0122 km S of Unalaska, Alaska · 616 days ago · 10 km deep · 36 km away
  34. 2.4138 km S of Unalaska, Alaska · 616 days ago · 18 km deep · 53 km away
  35. 3.6114 km S of Unalaska, Alaska · 616 days ago · 10 km deep · 29 km away
  36. 2.6133 km S of Unalaska, Alaska · 615 days ago · 10 km deep · 48 km away
  37. 2.9132 km S of Unalaska, Alaska · 615 days ago · 10 km deep · 47 km away
  38. 2.4128 km S of Unalaska, Alaska · 615 days ago · 19 km deep · 42 km away
  39. 2.7119 km S of Unalaska, Alaska · 615 days ago · 10 km deep · 33 km away
  40. 2.066 km SE of Unalaska, Alaska · 615 days ago · 44 km deep · 74 km away
  41. 2.9132 km S of Unalaska, Alaska · 615 days ago · 10 km deep · 47 km away
  42. 2.080 km SSW of Unalaska, Alaska · 615 days ago · 26 km deep · 16 km away
  43. 2.6136 km S of Unalaska, Alaska · 615 days ago · 10 km deep · 50 km away
  44. 2.874 km E of Nikolski, Alaska · 615 days ago · 35 km deep · 76 km away
  45. 2.4115 km S of Unalaska, Alaska · 614 days ago · 8 km deep · 31 km away
  46. 1.972 km WSW of Unalaska, Alaska · 614 days ago · 7 km deep · 76 km away
  47. 2.175 km SSE of Akutan, Alaska · 613 days ago · 24 km deep · 91 km away
  48. 3.3136 km S of Unalaska, Alaska · 612 days ago · 10 km deep · 51 km away
  49. 5.686 km SSW of Unalaska, Alaska · 612 days ago · 59 km deep · 39 km away · felt by 44 · tsunami flag
  50. 3.688 km SW of Unalaska, Alaska · 612 days ago · 78 km deep · 53 km away
  51. 2.895 km SSW of Unalaska, Alaska · 612 days ago · 32 km deep · 35 km away
  52. 2.8101 km SSW of Unalaska, Alaska · 612 days ago · 32 km deep · 33 km away
  53. 2.191 km SSW of Unalaska, Alaska · 612 days ago · 56 km deep · 41 km away
  54. 3.3135 km S of Unalaska, Alaska · 611 days ago · 25 km deep · 49 km away
  55. 2.268 km SSE of Akutan, Alaska · 611 days ago · 56 km deep · 98 km away
  56. 2.8136 km S of Unalaska, Alaska · 611 days ago · 10 km deep · 51 km away
  57. 2.153 km SSE of Akutan, Alaska · 611 days ago · 54 km deep · 97 km away
  58. 2.086 km SSW of Unalaska, Alaska · 611 days ago · 52 km deep · 41 km away
  59. 1.996 km SSW of Unalaska, Alaska · 611 days ago · 16 km deep · 35 km away
  60. 2.093 km SSW of Unalaska, Alaska · 611 days ago · 41 km deep · 37 km away

The first 60 of at least 199.

Before

  1. 1.769 km WSW of Unalaska, Alaska · 618 days ago · 7 km deep · 76 km away
  2. 1.675 km SW of Unalaska, Alaska · 618 days ago · 7 km deep · 67 km away
  3. 1.674 km SW of Unalaska, Alaska · 619 days ago · 13 km deep · 70 km away
  4. 1.8102 km E of Nikolski, Alaska · 619 days ago · 13 km deep · 54 km away
  5. 1.673 km WSW of Unalaska, Alaska · 619 days ago · 7 km deep · 71 km away
  6. 1.981 km SSW of Unalaska, Alaska · 620 days ago · 21 km deep · 17 km away
  7. 2.4136 km ESE of Nikolski, Alaska · 620 days ago · 13 km deep · 65 km away
  8. 1.974 km WSW of Unalaska, Alaska · 620 days ago · 13 km deep · 72 km away
  9. 2.770 km SE of Unalaska, Alaska · 621 days ago · 35 km deep · 68 km away
  10. 2.082 km SSW of Unalaska, Alaska · 621 days ago · 26 km deep · 14 km away
  11. 2.032 km SSW of Unalaska, Alaska · 622 days ago · 81 km deep · 54 km away
  12. 2.254 km SW of Unalaska, Alaska · 622 days ago · 24 km deep · 48 km away
  13. 1.571 km WSW of Unalaska, Alaska · 623 days ago · 7 km deep · 74 km away
  14. 1.891 km E of Nikolski, Alaska · 623 days ago · 23 km deep · 59 km away
  15. 1.895 km E of Nikolski, Alaska · 624 days ago · 26 km deep · 59 km away
  16. 1.882 km SSW of Unalaska, Alaska · 624 days ago · 26 km deep · 14 km away
  17. 1.882 km SSW of Unalaska, Alaska · 624 days ago · 26 km deep · 15 km away
  18. 1.982 km SSW of Unalaska, Alaska · 624 days ago · 19 km deep · 14 km away
  19. 4.282 km SSW of Unalaska, Alaska · 624 days ago · 43 km deep · 15 km away
  20. 2.596 km E of Nikolski, Alaska · 624 days ago · 35 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025xdryp2. Read Wed, Sep 30, 2026, 12:38 PM UTC.