Alaska earthquakes

M1.9 earthquake 21 km S of Tyonek, Alaska

A magnitude 1.9 earthquake struck 21 km S of Tyonek, Alaska on Fri, Feb 21, 2025, 6:25 PM AKST (03:25 UTC), 63 km (39 mi) below the surface.

A larger quake followed: M4.5 20 km WNW of Tyonek, Alaska. This one was a foreshock.

Nikiski 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-02-22 03:25:50 UTC
Depth
62.9 km (39.1 mi), shallow
Epicenter
60.872° N, 151.088° 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
70

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

After

  1. 1.99 km NNW of Susitna, Alaska · 587 days ago · 57 km deep · 88 km away
  2. 1.532 km WNW of Nikiski, Alaska · 587 days ago · 76 km deep · 38 km away
  3. 1.85 km SW of Tyonek, Alaska · 587 days ago · 58 km deep · 19 km away
  4. 3.334 km NE of Fox River, Alaska · 587 days ago · 37 km deep · 90 km away · felt by 2
  5. 1.535 km W of Kalifornsky, Alaska · 586 days ago · 81 km deep · 63 km away
  6. 2.221 km NNE of Cooper Landing, Alaska · 586 days ago · 41 km deep · 78 km away · felt by 1
  7. 1.643 km W of Tyonek, Alaska · 585 days ago · 76 km deep · 47 km away
  8. 1.815 km WSW of Susitna, Alaska · 585 days ago · 61 km deep · 73 km away
  9. 1.566 km W of Tyonek, Alaska · 585 days ago · 109 km deep · 72 km away
  10. 2.642 km W of Salamatof, Alaska · 585 days ago · 88 km deep · 63 km away
  11. 1.624 km W of Susitna, Alaska · 585 days ago · 67 km deep · 78 km away
  12. 1.561 km NW of Ninilchik, Alaska · 585 days ago · 107 km deep · 94 km away
  13. 1.640 km NW of Ninilchik, Alaska · 584 days ago · 88 km deep · 88 km away
  14. 2.03 km NNW of Sunrise, Alaska · 584 days ago · 37 km deep · 89 km away
  15. 1.519 km WNW of Beluga, Alaska · 584 days ago · 70 km deep · 44 km away
  16. 1.728 km S of Skwentna, Alaska · 584 days ago · 72 km deep · 98 km away
  17. 2.250 km NW of Ninilchik, Alaska · 583 days ago · 81 km deep · 84 km away
  18. 1.641 km W of Tyonek, Alaska · 583 days ago · 83 km deep · 48 km away
  19. 2.028 km S of Susitna, Alaska · 583 days ago · 47 km deep · 53 km away
  20. 1.553 km WNW of Tyonek, Alaska · 583 days ago · 97 km deep · 67 km away
  21. 1.724 km NE of Sterling, Alaska · 583 days ago · 41 km deep · 44 km away
  22. 1.554 km WNW of Salamatof, Alaska · 582 days ago · 97 km deep · 67 km away
  23. 1.87 km NNW of Susitna, Alaska · 582 days ago · 22 km deep · 86 km away
  24. 1.621 km W of Cooper Landing, Alaska · 582 days ago · 40 km deep · 66 km away
  25. 1.933 km W of Kalifornsky, Alaska · 582 days ago · 79 km deep · 64 km away
  26. 1.650 km SSW of Skwentna, Alaska · 582 days ago · 78 km deep · 83 km away
  27. 1.554 km SW of Skwentna, Alaska · 582 days ago · 12 km deep · 96 km away
  28. 1.666 km W of Tyonek, Alaska · 582 days ago · 112 km deep · 73 km away
  29. 1.71 km SSE of Big Lake, Alaska · 582 days ago · 42 km deep · 93 km away
  30. 1.513 km ESE of Ninilchik, Alaska · 582 days ago · 59 km deep · 98 km away
  31. 1.874 km WNW of Nikiski, Alaska · 582 days ago · 125 km deep · 78 km away
  32. 1.621 km SSW of Tyonek, Alaska · 582 days ago · 69 km deep · 11 km away
  33. 1.545 km WNW of Tyonek, Alaska · 582 days ago · 91 km deep · 60 km away
  34. 1.540 km NW of Ninilchik, Alaska · 581 days ago · 80 km deep · 87 km away
  35. 3.433 km WNW of Nikiski, Alaska · 581 days ago · 85 km deep · 45 km away
  36. 1.83 km N of Kenai, Alaska · 581 days ago · 62 km deep · 34 km away
  37. 1.664 km W of Tyonek, Alaska · 581 days ago · 114 km deep · 69 km away
  38. 2.79 km NW of Sterling, Alaska · 581 days ago · 53 km deep · 32 km away · felt by 1
  39. 1.619 km NW of Ninilchik, Alaska · 581 days ago · 58 km deep · 91 km away
  40. 1.745 km WNW of Tyonek, Alaska · 581 days ago · 92 km deep · 57 km away
  41. 1.644 km NW of Ninilchik, Alaska · 581 days ago · 86 km deep · 94 km away
  42. 1.856 km W of Nikiski, Alaska · 580 days ago · 99 km deep · 68 km away
  43. 1.54 km E of Clam Gulch, Alaska · 580 days ago · 45 km deep · 73 km away
  44. 1.721 km NNW of Fox River, Alaska · 580 days ago · 63 km deep · 93 km away
  45. 1.513 km NNW of Sterling, Alaska · 580 days ago · 25 km deep · 28 km away
  46. 1.632 km SSE of Skwentna, Alaska · 580 days ago · 77 km deep · 93 km away
  47. 1.621 km ENE of Beluga, Alaska · 580 days ago · 60 km deep · 44 km away
  48. 1.54 km NW of Tyonek, Alaska · 580 days ago · 64 km deep · 26 km away
  49. 2.211 km NE of Beluga, Alaska · 580 days ago · 65 km deep · 38 km away
  50. 2.965 km WNW of Tyonek, Alaska · 580 days ago · 5 km deep · 78 km away
  51. 1.517 km E of Clam Gulch, Alaska · 579 days ago · 63 km deep · 74 km away
  52. 1.827 km W of Salamatof, Alaska · 579 days ago · 74 km deep · 52 km away
  53. 1.764 km W of Salamatof, Alaska · 579 days ago · 95 km deep · 85 km away
  54. 1.739 km W of Tyonek, Alaska · 579 days ago · 79 km deep · 44 km away
  55. 1.648 km W of Salamatof, Alaska · 579 days ago · 86 km deep · 65 km away
  56. 1.828 km S of Susitna, Alaska · 579 days ago · 55 km deep · 54 km away
  57. 1.523 km NNW of Sterling, Alaska · 579 days ago · 57 km deep · 19 km away
  58. 1.516 km NE of Sterling, Alaska · 579 days ago · 48 km deep · 37 km away
  59. 1.629 km WNW of Kalifornsky, Alaska · 579 days ago · 74 km deep · 59 km away
  60. 1.862 km W of Tyonek, Alaska · 579 days ago · 6 km deep · 72 km away

The first 60 of at least 201.

Before

  1. 1.820 km NE of Nikiski, Alaska · 587 days ago · 66 km deep · 4 km away
  2. 1.68 km NNW of Susitna, Alaska · 587 days ago · 53 km deep · 86 km away
  3. 1.771 km W of Salamatof, Alaska · 587 days ago · 118 km deep · 89 km away
  4. 1.972 km WNW of Beluga, Alaska · 587 days ago · 5 km deep · 86 km away
  5. 2.122 km E of Kasilof, Alaska · 587 days ago · 62 km deep · 65 km away
  6. 2.65 km WNW of Point MacKenzie, Alaska · 587 days ago · 37 km deep · 79 km away · felt by 1
  7. 1.635 km WNW of Nikiski, Alaska · 588 days ago · 83 km deep · 42 km away
  8. 1.611 km WNW of Tyonek, Alaska · 588 days ago · 81 km deep · 30 km away
  9. 1.627 km W of Tyonek, Alaska · 588 days ago · 79 km deep · 37 km away · felt by 1
  10. 1.717 km ESE of Clam Gulch, Alaska · 588 days ago · 65 km deep · 78 km away
  11. 1.958 km NW of Ninilchik, Alaska · 588 days ago · 101 km deep · 94 km away
  12. 1.747 km NNW of Beluga, Alaska · 588 days ago · 71 km deep · 76 km away
  13. 2.341 km WNW of Beluga, Alaska · 588 days ago · 77 km deep · 62 km away
  14. 1.63 km N of Ridgeway, Alaska · 588 days ago · 20 km deep · 34 km away
  15. 1.74 km NW of Ridgeway, Alaska · 588 days ago · 15 km deep · 35 km away
  16. 1.713 km WSW of Point Possession, Alaska · 588 days ago · 50 km deep · 11 km away
  17. 1.768 km W of Tyonek, Alaska · 588 days ago · 111 km deep · 73 km away
  18. 1.716 km NW of Clam Gulch, Alaska · 588 days ago · 61 km deep · 67 km away
  19. 1.712 km E of Sterling, Alaska · 588 days ago · 44 km deep · 49 km away
  20. 1.767 km NW of Ninilchik, Alaska · 588 days ago · 95 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0252fpf5rl. Read Thu, Oct 1, 2026, 11:42 PM UTC.