Alaska earthquakes

M1.8 earthquake 86 km SSE of Adak, Alaska

A magnitude 1.8 earthquake struck 86 km SSE of Adak, Alaska on Sun, Mar 23, 2025, 9:37 AM HADT (18:37 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M4.4 71 km SSE 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-03-23 18:37:54 UTC
Depth
17.1 km (10.6 mi), shallow
Epicenter
51.125° N, 176.307° 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
22

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.998 km SSE of Adak, Alaska · 558 days ago · 17 km deep · 15 km away
  2. 2.091 km SSE of Adak, Alaska · 558 days ago · 26 km deep · 8 km away
  3. 2.291 km SSE of Adak, Alaska · 558 days ago · 17 km deep · 12 km away
  4. 1.998 km SSE of Adak, Alaska · 558 days ago · 5 km deep · 17 km away
  5. 1.874 km SSE of Adak, Alaska · 558 days ago · 17 km deep · 12 km away
  6. 1.882 km SE of Adak, Alaska · 558 days ago · 22 km deep · 56 km away
  7. 1.561 km SE of Adak, Alaska · 558 days ago · 24 km deep · 39 km away
  8. 2.645 km WSW of Adak, Alaska · 558 days ago · 84 km deep · 93 km away
  9. 2.0108 km SSE of Adak, Alaska · 558 days ago · 26 km deep · 26 km away
  10. 1.773 km SSE of Adak, Alaska · 558 days ago · 26 km deep · 21 km away
  11. 1.8100 km SSE of Adak, Alaska · 558 days ago · 15 km deep · 19 km away
  12. 1.9101 km SSE of Adak, Alaska · 558 days ago · 26 km deep · 16 km away
  13. 1.899 km SSE of Adak, Alaska · 558 days ago · 15 km deep · 19 km away
  14. 1.773 km SSE of Adak, Alaska · 558 days ago · 31 km deep · 13 km away
  15. 1.7104 km SSE of Adak, Alaska · 558 days ago · 14 km deep · 18 km away
  16. 1.978 km SSE of Adak, Alaska · 558 days ago · 18 km deep · 8 km away
  17. 2.675 km SSE of Adak, Alaska · 558 days ago · 35 km deep · 11 km away
  18. 1.876 km SSE of Adak, Alaska · 558 days ago · 38 km deep · 12 km away
  19. 1.876 km SSE of Adak, Alaska · 558 days ago · 18 km deep · 12 km away
  20. 1.779 km SSE of Adak, Alaska · 558 days ago · 26 km deep · 22 km away
  21. 1.791 km SSE of Adak, Alaska · 558 days ago · 17 km deep · 19 km away
  22. 3.6110 km SSW of Adak, Alaska · 558 days ago · 10 km deep · 72 km away
  23. 2.2104 km SSW of Adak, Alaska · 557 days ago · 69 km deep · 65 km away
  24. 1.664 km SSE of Adak, Alaska · 557 days ago · 33 km deep · 28 km away
  25. 1.675 km SSE of Adak, Alaska · 557 days ago · 13 km deep · 22 km away
  26. 1.921 km SW of Adak, Alaska · 557 days ago · 70 km deep · 75 km away
  27. 1.676 km SSE of Adak, Alaska · 557 days ago · 19 km deep · 14 km away
  28. 1.676 km SSE of Adak, Alaska · 557 days ago · 15 km deep · 12 km away
  29. 1.755 km SE of Adak, Alaska · 557 days ago · 26 km deep · 40 km away
  30. 1.899 km SSE of Adak, Alaska · 557 days ago · 16 km deep · 18 km away
  31. 3.776 km SSE of Adak, Alaska · 557 days ago · 35 km deep · 21 km away
  32. 1.776 km SSE of Adak, Alaska · 557 days ago · 20 km deep · 22 km away
  33. 3.977 km SSE of Adak, Alaska · 557 days ago · 35 km deep · 21 km away
  34. 1.779 km SSE of Adak, Alaska · 557 days ago · 26 km deep · 24 km away
  35. 1.868 km ESE of Adak, Alaska · 557 days ago · 39 km deep · 67 km away
  36. 3.094 km SSE of Adak, Alaska · 557 days ago · 10 km deep · 10 km away
  37. 2.887 km SSE of Adak, Alaska · 557 days ago · 32 km deep · 5 km away
  38. 2.790 km SSE of Adak, Alaska · 557 days ago · 10 km deep · 10 km away
  39. 2.077 km SSE of Adak, Alaska · 557 days ago · 20 km deep · 9 km away
  40. 3.6184 km S of Adak, Alaska · 557 days ago · 18 km deep · 99 km away
  41. 2.0106 km SSE of Adak, Alaska · 557 days ago · 26 km deep · 23 km away
  42. 2.674 km SW of Adak, Alaska · 557 days ago · 34 km deep · 94 km away
  43. 1.981 km S of Adak, Alaska · 557 days ago · 7 km deep · 10 km away
  44. 1.866 km SSE of Adak, Alaska · 557 days ago · 23 km deep · 23 km away
  45. 3.8117 km S of Adak, Alaska · 556 days ago · 10 km deep · 32 km away
  46. 3.989 km S of Adak, Alaska · 556 days ago · 26 km deep · 16 km away
  47. 3.192 km S of Adak, Alaska · 556 days ago · 35 km deep · 12 km away
  48. 3.791 km S of Adak, Alaska · 556 days ago · 35 km deep · 12 km away
  49. 2.6100 km SSE of Adak, Alaska · 556 days ago · 10 km deep · 17 km away
  50. 2.4113 km SE of Adak, Alaska · 556 days ago · 14 km deep · 47 km away
  51. 2.180 km SSE of Adak, Alaska · 556 days ago · 19 km deep · 7 km away
  52. 2.5109 km SSE of Adak, Alaska · 556 days ago · 10 km deep · 26 km away
  53. 2.581 km SSE of Adak, Alaska · 556 days ago · 35 km deep · 6 km away
  54. 1.861 km ESE of Adak, Alaska · 556 days ago · 47 km deep · 60 km away
  55. 1.859 km SSW of Adak, Alaska · 556 days ago · 45 km deep · 62 km away
  56. 1.894 km SW of Atka, Alaska · 555 days ago · 13 km deep · 94 km away
  57. 1.993 km SSE of Adak, Alaska · 555 days ago · 3 km deep · 11 km away
  58. 1.888 km S of Adak, Alaska · 555 days ago · 26 km deep · 10 km away
  59. 2.092 km S of Adak, Alaska · 555 days ago · 13 km deep · 10 km away
  60. 1.9103 km SSE of Adak, Alaska · 555 days ago · 13 km deep · 22 km away

The first 60 of at least 200.

Before

  1. 2.178 km E of Adak, Alaska · 558 days ago · 59 km deep · 97 km away
  2. 3.595 km SSE of Adak, Alaska · 558 days ago · 10 km deep · 9 km away
  3. 1.978 km SSE of Adak, Alaska · 558 days ago · 21 km deep · 9 km away
  4. 3.096 km SW of Adak, Alaska · 558 days ago · 35 km deep · 92 km away
  5. 1.990 km SSE of Adak, Alaska · 558 days ago · 15 km deep · 11 km away
  6. 2.199 km SSE of Adak, Alaska · 558 days ago · 35 km deep · 19 km away
  7. 2.092 km SSE of Adak, Alaska · 558 days ago · 14 km deep · 10 km away
  8. 2.789 km SSE of Adak, Alaska · 558 days ago · 35 km deep · 6 km away
  9. 4.5108 km SSE of Adak, Alaska · 558 days ago · 10 km deep · 23 km away
  10. 2.090 km SSE of Adak, Alaska · 558 days ago · 13 km deep · 9 km away
  11. 2.091 km SSE of Adak, Alaska · 558 days ago · 15 km deep · 11 km away
  12. 1.868 km SSE of Adak, Alaska · 558 days ago · 22 km deep · 20 km away
  13. 2.6100 km SSE of Adak, Alaska · 558 days ago · 10 km deep · 18 km away
  14. 3.586 km SSE of Adak, Alaska · 558 days ago · 35 km deep · 4 km away
  15. 2.1101 km SSE of Adak, Alaska · 559 days ago · 14 km deep · 18 km away
  16. 2.299 km SSE of Adak, Alaska · 559 days ago · 16 km deep · 16 km away
  17. 2.062 km E of Adak, Alaska · 559 days ago · 79 km deep · 98 km away
  18. 1.957 km SE of Adak, Alaska · 559 days ago · 17 km deep · 38 km away
  19. 3.3101 km SSE of Adak, Alaska · 559 days ago · 17 km deep · 19 km away
  20. 2.083 km SSE of Adak, Alaska · 559 days ago · 26 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0253rx0b2b. Read Fri, Oct 2, 2026, 8:54 PM UTC.