Alaska earthquakes

M1.7 earthquake 20 km WSW of Tyonek, Alaska

A magnitude 1.7 earthquake struck 20 km WSW of Tyonek, Alaska on Wed, Feb 17, 2021, 5:27 AM AKST (14:27 UTC), 66 km (41 mi) below the surface.

A larger quake followed: M5.3 5 km SSE of Point MacKenzie, 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
1.7 (ml), micro
Local time
UTC
2021-02-17 14:27:28 UTC
Depth
65.7 km (40.8 mi), shallow
Epicenter
61.012° N, 151.494° 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
31

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 154 in the 30 days before it.

After

  1. 1.71 km WNW of Tyonek, Alaska · 2047 days ago · 63 km deep · 19 km away
  2. 2.647 km NW of Beluga, Alaska · 2047 days ago · 75 km deep · 53 km away
  3. 2.236 km W of Susitna, Alaska · 2047 days ago · 2 km deep · 58 km away
  4. 1.914 km ESE of Clam Gulch, Alaska · 2047 days ago · 61 km deep · 96 km away
  5. 1.919 km ENE of Point Possession, Alaska · 2047 days ago · 42 km deep · 62 km away
  6. 1.852 km SSW of Skwentna, Alaska · 2047 days ago · 98 km deep · 58 km away
  7. 2.019 km NW of Nikiski, Alaska · 2047 days ago · 74 km deep · 20 km away
  8. 1.569 km WNW of Beluga, Alaska · 2046 days ago · 1 km deep · 59 km away
  9. 1.530 km NW of Susitna, Alaska · 2046 days ago · 67 km deep · 86 km away
  10. 2.010 km SW of Point MacKenzie, Alaska · 2046 days ago · 46 km deep · 79 km away
  11. 1.530 km NW of Ninilchik, Alaska · 2046 days ago · 74 km deep · 90 km away
  12. 1.829 km SSE of Skwentna, Alaska · 2046 days ago · 77 km deep · 83 km away
  13. 1.522 km NNE of Sterling, Alaska · 2046 days ago · 55 km deep · 60 km away
  14. 2.1Southern Alaska · 2045 days ago · 56 km deep · 53 km away
  15. 2.423 km NW of Beluga, Alaska · 2045 days ago · 77 km deep · 28 km away
  16. 1.914 km W of Point Possession, Alaska · 2045 days ago · 15 km deep · 30 km away
  17. 2.720 km E of Beluga, Alaska · 2045 days ago · 16 km deep · 45 km away
  18. 1.664 km NW of Ninilchik, Alaska · 2045 days ago · 103 km deep · 83 km away
  19. 1.76 km SSW of Big Lake, Alaska · 2045 days ago · 44 km deep · 95 km away
  20. 1.541 km WNW of Ninilchik, Alaska · 2045 days ago · 95 km deep · 97 km away
  21. 1.680 km ENE of Port Alsworth, Alaska · 2044 days ago · 154 km deep · 99 km away
  22. 1.541 km W of Salamatof, Alaska · 2044 days ago · 77 km deep · 53 km away
  23. 2.840 km NW of Ninilchik, Alaska · 2044 days ago · 97 km deep · 94 km away
  24. 1.65 km SSW of Point Possession, Alaska · 2044 days ago · 32 km deep · 44 km away
  25. 1.619 km W of Tyonek, Alaska · 2044 days ago · 77 km deep · 5 km away
  26. 2.318 km N of Hope, Alaska · 2044 days ago · 38 km deep · 100 km away · felt by 1
  27. 1.722 km NNW of Susitna, Alaska · 2044 days ago · 62 km deep · 91 km away
  28. 1.513 km W of Salamatof, Alaska · 2043 days ago · 73 km deep · 45 km away
  29. 1.618 km S of Skwentna, Alaska · 2042 days ago · 79 km deep · 91 km away
  30. 1.768 km W of Tyonek, Alaska · 2042 days ago · 112 km deep · 49 km away
  31. 1.831 km S of Skwentna, Alaska · 2042 days ago · 75 km deep · 78 km away
  32. 1.815 km WNW of Nikiski, Alaska · 2042 days ago · 72 km deep · 29 km away
  33. 1.8Southern Alaska · 2042 days ago · 81 km deep · 100 km away
  34. 1.916 km NE of Susitna, Alaska · 2042 days ago · 51 km deep · 95 km away
  35. 1.561 km NW of Ninilchik, Alaska · 2041 days ago · 94 km deep · 86 km away
  36. 1.619 km SE of Skwentna, Alaska · 2041 days ago · 71 km deep · 98 km away
  37. 1.61 km SW of Tyonek, Alaska · 2041 days ago · 66 km deep · 19 km away
  38. 1.614 km ESE of Clam Gulch, Alaska · 2041 days ago · 69 km deep · 93 km away
  39. 1.659 km NW of Ninilchik, Alaska · 2040 days ago · 101 km deep · 84 km away
  40. 1.643 km NW of Ninilchik, Alaska · 2040 days ago · 91 km deep · 92 km away
  41. 1.669 km W of Tyonek, Alaska · 2040 days ago · 117 km deep · 51 km away
  42. 1.864 km W of Tyonek, Alaska · 2040 days ago · 106 km deep · 45 km away
  43. 1.655 km W of Tyonek, Alaska · 2040 days ago · 93 km deep · 37 km away
  44. 1.936 km WNW of Ninilchik, Alaska · 2040 days ago · 90 km deep · 99 km away
  45. 1.829 km WSW of Skwentna, Alaska · 2040 days ago · 99 km deep · 96 km away
  46. 1.556 km W of Tyonek, Alaska · 2040 days ago · 97 km deep · 37 km away
  47. 1.623 km WNW of Nikiski, Alaska · 2040 days ago · 75 km deep · 26 km away
  48. 1.549 km WNW of Nikiski, Alaska · 2039 days ago · 99 km deep · 34 km away
  49. 1.615 km N of Beluga, Alaska · 2039 days ago · 65 km deep · 38 km away
  50. 1.738 km WNW of Ninilchik, Alaska · 2039 days ago · 92 km deep · 97 km away
  51. 2.070 km WNW of Nikiski, Alaska · 2038 days ago · 117 km deep · 53 km away
  52. 1.61 km SSE of Funny River, Alaska · 2038 days ago · 44 km deep · 71 km away
  53. 1.814 km WNW of Tyonek, Alaska · 2038 days ago · 70 km deep · 15 km away
  54. 1.626 km ENE of Sterling, Alaska · 2038 days ago · 42 km deep · 75 km away
  55. 2.028 km ENE of Beluga, Alaska · 2038 days ago · 46 km deep · 54 km away
  56. 1.96 km NNW of Clam Gulch, Alaska · 2037 days ago · 57 km deep · 81 km away
  57. 5.35 km SSE of Point MacKenzie, Alaska · 2037 days ago · 46 km deep · 90 km away · felt by 2,970 · tsunami flag
  58. 5.35 km SSE of Point MacKenzie, Alaska · 2037 days ago · 46 km deep · 90 km away
  59. 1.73 km SW of Point MacKenzie, Alaska · 2037 days ago · 46 km deep · 86 km away
  60. 1.64 km SW of Point MacKenzie, Alaska · 2037 days ago · 44 km deep · 86 km away

The first 60 of at least 199.

Before

  1. 1.543 km NW of Ninilchik, Alaska · 2048 days ago · 89 km deep · 87 km away
  2. 1.534 km SW of Skwentna, Alaska · 2048 days ago · 97 km deep · 81 km away
  3. 2.128 km W of Salamatof, Alaska · 2048 days ago · 76 km deep · 48 km away
  4. 1.917 km ESE of Kasilof, Alaska · 2048 days ago · 45 km deep · 85 km away
  5. 2.110 km SW of Point MacKenzie, Alaska · 2048 days ago · 43 km deep · 80 km away
  6. 2.544 km SSW of Skwentna, Alaska · 2048 days ago · 96 km deep · 74 km away
  7. 1.557 km W of Tyonek, Alaska · 2049 days ago · 104 km deep · 39 km away
  8. 1.542 km WSW of Skwentna, Alaska · 2049 days ago · 113 km deep · 96 km away
  9. 1.536 km W of Susitna, Alaska · 2049 days ago · 69 km deep · 66 km away
  10. 1.543 km W of Salamatof, Alaska · 2049 days ago · 112 km deep · 52 km away
  11. 1.722 km WNW of Susitna, Alaska · 2049 days ago · 61 km deep · 74 km away
  12. 1.751 km WNW of Beluga, Alaska · 2049 days ago · 100 km deep · 47 km away
  13. 3.612 km ESE of Clam Gulch, Alaska · 2050 days ago · 56 km deep · 94 km away · felt by 14
  14. 1.612 km NW of Susitna, Alaska · 2050 days ago · 59 km deep · 81 km away
  15. 1.650 km WNW of Ninilchik, Alaska · 2050 days ago · 105 km deep · 99 km away
  16. 1.766 km WNW of Beluga, Alaska · 2050 days ago · 120 km deep · 61 km away
  17. 1.955 km NW of Ninilchik, Alaska · 2050 days ago · 94 km deep · 85 km away
  18. 1.830 km WSW of Susitna, Alaska · 2050 days ago · 66 km deep · 52 km away
  19. 1.852 km NW of Beluga, Alaska · 2050 days ago · 83 km deep · 58 km away
  20. 1.656 km NW of Beluga, Alaska · 2051 days ago · 99 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02127maknf. Read Sun, Sep 27, 2026, 1:31 AM UTC.