Alaska earthquakes

M1.5 earthquake 47 km WNW of Ninilchik, Alaska

A magnitude 1.5 earthquake struck 47 km WNW of Ninilchik, Alaska on Wed, Aug 20, 2025, 8:05 PM AKDT (04:05 UTC), 92 km (57 mi) below the surface.

A larger quake followed: M4.2 30 km ESE of Kasilof, Alaska. This one was a foreshock.

Ninilchik forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-08-21 04:05:55 UTC
Depth
92.3 km (57.4 mi), intermediate-depth
Epicenter
60.172° N, 152.487° 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
50

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 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.545 km E of Pedro Bay, Alaska · 410 days ago · 120 km deep · 59 km away
  2. 1.663 km W of Anchor Point, Alaska · 410 days ago · 99 km deep · 54 km away
  3. 1.612 km NW of Happy Valley, Alaska · 410 days ago · 79 km deep · 36 km away
  4. 2.215 km NW of Ninilchik, Alaska · 410 days ago · 73 km deep · 34 km away
  5. 1.947 km E of Pedro Bay, Alaska · 409 days ago · 123 km deep · 58 km away
  6. 1.743 km NW of Ninilchik, Alaska · 409 days ago · 81 km deep · 29 km away
  7. 1.843 km NW of Ninilchik, Alaska · 409 days ago · 83 km deep · 28 km away
  8. 2.419 km W of Anchor Point, Alaska · 409 days ago · 65 km deep · 46 km away
  9. 1.654 km E of Port Alsworth, Alaska · 409 days ago · 135 km deep · 47 km away
  10. 1.950 km WNW of Happy Valley, Alaska · 409 days ago · 92 km deep · 9 km away
  11. 1.556 km E of Pedro Bay, Alaska · 409 days ago · 97 km deep · 56 km away · felt by 1
  12. 1.630 km E of Pedro Bay, Alaska · 409 days ago · 127 km deep · 72 km away
  13. 1.661 km ENE of Port Alsworth, Alaska · 409 days ago · 141 km deep · 47 km away
  14. 1.765 km E of Port Alsworth, Alaska · 409 days ago · 130 km deep · 37 km away
  15. 1.91 km ESE of Seldovia Village, Alaska · 408 days ago · 44 km deep · 91 km away
  16. 1.951 km NW of Ninilchik, Alaska · 408 days ago · 95 km deep · 15 km away
  17. 1.665 km WNW of Nikiski, Alaska · 408 days ago · 117 km deep · 85 km away
  18. 2.855 km E of Pedro Bay, Alaska · 408 days ago · 99 km deep · 64 km away
  19. 1.838 km E of Pedro Bay, Alaska · 408 days ago · 129 km deep · 64 km away
  20. 2.747 km E of Pedro Bay, Alaska · 407 days ago · 123 km deep · 57 km away
  21. 3.765 km E of Port Alsworth, Alaska · 407 days ago · 144 km deep · 40 km away · felt by 1
  22. 1.753 km NW of Ninilchik, Alaska · 407 days ago · 91 km deep · 20 km away
  23. 1.740 km E of Pedro Bay, Alaska · 407 days ago · 128 km deep · 63 km away
  24. 1.752 km W of Nanwalek, Alaska · 407 days ago · 71 km deep · 95 km away
  25. 2.054 km W of Anchor Point, Alaska · 407 days ago · 93 km deep · 54 km away
  26. 1.59 km N of Fritz Creek, Alaska · 407 days ago · 54 km deep · 75 km away
  27. 1.532 km E of Pedro Bay, Alaska · 407 days ago · 137 km deep · 71 km away
  28. 1.569 km W of Salamatof, Alaska · 407 days ago · 108 km deep · 58 km away
  29. 2.08 km NNW of Anchor Point, Alaska · 407 days ago · 56 km deep · 50 km away
  30. 1.524 km E of Pedro Bay, Alaska · 406 days ago · 134 km deep · 80 km away
  31. 2.031 km W of Salamatof, Alaska · 406 days ago · 75 km deep · 55 km away
  32. 1.668 km WNW of Happy Valley, Alaska · 406 days ago · 105 km deep · 26 km away
  33. 1.662 km WNW of Ninilchik, Alaska · 406 days ago · 93 km deep · 15 km away
  34. 1.642 km ENE of Pedro Bay, Alaska · 406 days ago · 125 km deep · 58 km away
  35. 1.66 km W of Seldovia, Alaska · 406 days ago · 64 km deep · 89 km away
  36. 1.651 km WNW of Ninilchik, Alaska · 406 days ago · 100 km deep · 9 km away
  37. 1.519 km S of Funny River, Alaska · 406 days ago · 64 km deep · 94 km away
  38. 1.671 km ENE of Pedro Bay, Alaska · 405 days ago · 111 km deep · 29 km away
  39. 1.652 km WNW of Happy Valley, Alaska · 405 days ago · 84 km deep · 9 km away
  40. 2.312 km ESE of Fritz Creek, Alaska · 405 days ago · 1 km deep · 95 km away
  41. 1.847 km ESE of Pedro Bay, Alaska · 405 days ago · 98 km deep · 73 km away
  42. 1.853 km E of Port Alsworth, Alaska · 405 days ago · 140 km deep · 48 km away
  43. 1.760 km ESE of Pedro Bay, Alaska · 405 days ago · 113 km deep · 68 km away
  44. 1.765 km ESE of Pedro Bay, Alaska · 405 days ago · 96 km deep · 75 km away
  45. 1.542 km WNW of Clam Gulch, Alaska · 404 days ago · 84 km deep · 34 km away
  46. 2.067 km E of Port Alsworth, Alaska · 404 days ago · 127 km deep · 34 km away
  47. 1.942 km ENE of Pedro Bay, Alaska · 404 days ago · 139 km deep · 58 km away
  48. 2.042 km WNW of Ninilchik, Alaska · 404 days ago · 88 km deep · 9 km away
  49. 1.951 km E of Pedro Bay, Alaska · 404 days ago · 100 km deep · 61 km away
  50. 1.859 km WNW of Nanwalek, Alaska · 403 days ago · 89 km deep · 71 km away
  51. 2.036 km WSW of Salamatof, Alaska · 403 days ago · 78 km deep · 50 km away
  52. 2.335 km NW of Ninilchik, Alaska · 403 days ago · 75 km deep · 22 km away
  53. 2.040 km E of Pedro Bay, Alaska · 403 days ago · 124 km deep · 66 km away
  54. 2.266 km W of Happy Valley, Alaska · 403 days ago · 109 km deep · 26 km away
  55. 2.465 km W of Tyonek, Alaska · 402 days ago · 109 km deep · 96 km away
  56. 1.942 km WNW of Anchor Point, Alaska · 401 days ago · 90 km deep · 27 km away
  57. 2.522 km NW of Fox River, Alaska · 401 days ago · 44 km deep · 70 km away
  58. 1.763 km ENE of Pedro Bay, Alaska · 401 days ago · 116 km deep · 37 km away
  59. 1.557 km WNW of Ninilchik, Alaska · 400 days ago · 90 km deep · 16 km away
  60. 1.638 km ESE of Pedro Bay, Alaska · 400 days ago · 133 km deep · 74 km away

The first 60 of at least 202.

Before

  1. 2.942 km E of Pedro Bay, Alaska · 410 days ago · 123 km deep · 62 km away
  2. 1.696 km WNW of Nikiski, Alaska · 411 days ago · 152 km deep · 87 km away
  3. 1.653 km E of Port Alsworth, Alaska · 411 days ago · 138 km deep · 48 km away
  4. 1.564 km E of Pedro Bay, Alaska · 411 days ago · 98 km deep · 57 km away
  5. 2.557 km NE of Pedro Bay, Alaska · 412 days ago · 132 km deep · 44 km away
  6. 1.652 km ENE of Pedro Bay, Alaska · 412 days ago · 134 km deep · 48 km away
  7. 1.848 km ESE of Pedro Bay, Alaska · 412 days ago · 100 km deep · 72 km away
  8. 1.570 km WNW of Happy Valley, Alaska · 412 days ago · 100 km deep · 27 km away
  9. 1.565 km ENE of Pedro Bay, Alaska · 413 days ago · 100 km deep · 35 km away
  10. 1.848 km ENE of Pedro Bay, Alaska · 413 days ago · 128 km deep · 51 km away
  11. 1.657 km E of Port Alsworth, Alaska · 413 days ago · 140 km deep · 44 km away
  12. 1.647 km WNW of Ninilchik, Alaska · 413 days ago · 85 km deep · 6 km away
  13. 1.566 km WNW of Ninilchik, Alaska · 414 days ago · 99 km deep · 19 km away
  14. 1.856 km W of Cohoe, Alaska · 414 days ago · 80 km deep · 34 km away
  15. 1.667 km W of Tyonek, Alaska · 414 days ago · 100 km deep · 92 km away
  16. 1.519 km W of Nanwalek, Alaska · 414 days ago · 58 km deep · 94 km away
  17. 2.144 km ESE of Pedro Bay, Alaska · 414 days ago · 114 km deep · 72 km away
  18. 1.751 km WNW of Anchor Point, Alaska · 415 days ago · 85 km deep · 32 km away
  19. 1.67 km SE of Happy Valley, Alaska · 415 days ago · 71 km deep · 56 km away
  20. 2.335 km E of Pedro Bay, Alaska · 415 days ago · 143 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025apemsat. Read Mon, Oct 5, 2026, 1:39 AM UTC.