Alaska earthquakes

M1.8 earthquake 64 km W of Tyonek, Alaska

A magnitude 1.8 earthquake struck 64 km W of Tyonek, Alaska on Wed, Feb 24, 2021, 3:43 PM AKST (00:43 UTC), 106 km (66 mi) below the surface.

A larger quake followed: M4.5 57 km NW of Beluga, 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
1.8 (ml), micro
Local time
UTC
2021-02-25 00:43:11 UTC
Depth
106.3 km (66.1 mi), intermediate-depth
Epicenter
61.067° N, 152.327° 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
40

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 129 in the 30 days before it.

After

  1. 1.655 km W of Tyonek, Alaska · 2039 days ago · 93 km deep · 9 km away
  2. 1.936 km WNW of Ninilchik, Alaska · 2039 days ago · 90 km deep · 96 km away
  3. 1.829 km WSW of Skwentna, Alaska · 2039 days ago · 99 km deep · 91 km away
  4. 1.556 km W of Tyonek, Alaska · 2039 days ago · 97 km deep · 11 km away
  5. 1.875 km E of Port Alsworth, Alaska · 2039 days ago · 121 km deep · 94 km away
  6. 1.623 km WNW of Nikiski, Alaska · 2039 days ago · 75 km deep · 47 km away
  7. 1.549 km WNW of Nikiski, Alaska · 2038 days ago · 99 km deep · 21 km away
  8. 1.615 km N of Beluga, Alaska · 2038 days ago · 65 km deep · 72 km away
  9. 1.738 km WNW of Ninilchik, Alaska · 2038 days ago · 92 km deep · 93 km away
  10. 2.070 km WNW of Nikiski, Alaska · 2037 days ago · 117 km deep · 15 km away
  11. 1.814 km WNW of Tyonek, Alaska · 2037 days ago · 70 km deep · 52 km away
  12. 2.028 km ENE of Beluga, Alaska · 2037 days ago · 46 km deep · 93 km away
  13. 1.96 km NNW of Clam Gulch, Alaska · 2037 days ago · 57 km deep · 99 km away
  14. 1.528 km NW of Ninilchik, Alaska · 2036 days ago · 86 km deep · 95 km away · felt by 3
  15. 1.642 km WNW of Ninilchik, Alaska · 2036 days ago · 92 km deep · 98 km away
  16. 1.554 km NW of Ninilchik, Alaska · 2036 days ago · 99 km deep · 82 km away
  17. 1.730 km WNW of Susitna, Alaska · 2036 days ago · 73 km deep · 95 km away
  18. 1.670 km E of Port Alsworth, Alaska · 2036 days ago · 131 km deep · 94 km away
  19. 1.925 km WNW of Susitna, Alaska · 2036 days ago · 63 km deep · 99 km away
  20. 1.549 km WNW of Clam Gulch, Alaska · 2035 days ago · 85 km deep · 74 km away
  21. 1.613 km SE of Tyonek, Alaska · 2035 days ago · 62 km deep · 73 km away
  22. 1.541 km NNW of Beluga, Alaska · 2035 days ago · 77 km deep · 62 km away
  23. 1.764 km WNW of Ninilchik, Alaska · 2035 days ago · 99 km deep · 98 km away
  24. 1.638 km WNW of Susitna, Alaska · 2035 days ago · 68 km deep · 87 km away
  25. 2.043 km WNW of Ninilchik, Alaska · 2035 days ago · 94 km deep · 98 km away
  26. 1.843 km WNW of Ninilchik, Alaska · 2035 days ago · 82 km deep · 93 km away
  27. 3.354 km WNW of Ninilchik, Alaska · 2034 days ago · 104 km deep · 97 km away · felt by 1
  28. 1.823 km WNW of Nikiski, Alaska · 2034 days ago · 77 km deep · 48 km away
  29. 1.970 km WNW of Nikiski, Alaska · 2034 days ago · 112 km deep · 20 km away
  30. 2.050 km NW of Beluga, Alaska · 2034 days ago · 95 km deep · 58 km away
  31. 1.558 km W of Tyonek, Alaska · 2034 days ago · 99 km deep · 7 km away
  32. 1.77 km ESE of Kalifornsky, Alaska · 2034 days ago · 16 km deep · 98 km away · felt by 1
  33. 2.073 km WNW of Beluga, Alaska · 2034 days ago · 4 km deep · 39 km away
  34. 1.646 km WNW of Ninilchik, Alaska · 2033 days ago · 86 km deep · 94 km away
  35. 1.641 km WNW of Clam Gulch, Alaska · 2033 days ago · 80 km deep · 77 km away
  36. 4.557 km NW of Beluga, Alaska · 2033 days ago · 99 km deep · 48 km away · felt by 189 · tsunami flag
  37. 1.67 km E of Nikiski, Alaska · 2033 days ago · 61 km deep · 76 km away
  38. 1.549 km WNW of Ninilchik, Alaska · 2032 days ago · 90 km deep · 99 km away
  39. 1.556 km WNW of Ninilchik, Alaska · 2032 days ago · 91 km deep · 89 km away
  40. 1.934 km WSW of Tyonek, Alaska · 2032 days ago · 80 km deep · 32 km away
  41. 1.531 km WNW of Nikiski, Alaska · 2032 days ago · 79 km deep · 39 km away
  42. 1.649 km SW of Skwentna, Alaska · 2032 days ago · 116 km deep · 67 km away
  43. 1.624 km NNW of Beluga, Alaska · 2032 days ago · 68 km deep · 61 km away
  44. 1.552 km W of Nikiski, Alaska · 2031 days ago · 94 km deep · 32 km away
  45. 1.743 km WNW of Clam Gulch, Alaska · 2030 days ago · 98 km deep · 75 km away
  46. 1.550 km WNW of Ninilchik, Alaska · 2030 days ago · 103 km deep · 97 km away
  47. 1.821 km NW of Ninilchik, Alaska · 2030 days ago · 73 km deep · 98 km away
  48. 2.055 km W of Cohoe, Alaska · 2030 days ago · 86 km deep · 69 km away
  49. 2.320 km SW of Point Possession, Alaska · 2029 days ago · 86 km deep · 82 km away
  50. 1.741 km SW of Skwentna, Alaska · 2029 days ago · 109 km deep · 76 km away
  51. 1.86 km ENE of Point Possession, Alaska · 2029 days ago · 53 km deep · 95 km away
  52. 1.89 km W of Point Possession, Alaska · 2028 days ago · 13 km deep · 80 km away
  53. 1.543 km S of Skwentna, Alaska · 2028 days ago · 79 km deep · 76 km away
  54. 1.545 km NW of Nikiski, Alaska · 2027 days ago · 88 km deep · 24 km away
  55. 1.527 km WNW of Tyonek, Alaska · 2027 days ago · 81 km deep · 41 km away
  56. 1.717 km SW of Susitna, Alaska · 2027 days ago · 68 km deep · 94 km away
  57. 1.743 km SW of Skwentna, Alaska · 2026 days ago · 95 km deep · 71 km away
  58. 1.569 km E of Port Alsworth, Alaska · 2026 days ago · 123 km deep · 98 km away
  59. 2.145 km WNW of Tyonek, Alaska · 2026 days ago · 97 km deep · 24 km away · felt by 1
  60. 1.846 km S of Skwentna, Alaska · 2025 days ago · 76 km deep · 71 km away

The first 60 of at least 199.

Before

  1. 1.669 km W of Tyonek, Alaska · 2039 days ago · 117 km deep · 6 km away
  2. 1.643 km NW of Ninilchik, Alaska · 2039 days ago · 91 km deep · 87 km away
  3. 1.659 km NW of Ninilchik, Alaska · 2040 days ago · 101 km deep · 72 km away
  4. 1.61 km SW of Tyonek, Alaska · 2040 days ago · 66 km deep · 63 km away
  5. 1.561 km NW of Ninilchik, Alaska · 2040 days ago · 94 km deep · 73 km away
  6. 1.8Southern Alaska · 2041 days ago · 81 km deep · 97 km away
  7. 1.815 km WNW of Nikiski, Alaska · 2041 days ago · 72 km deep · 55 km away
  8. 1.831 km S of Skwentna, Alaska · 2041 days ago · 75 km deep · 89 km away
  9. 1.768 km W of Tyonek, Alaska · 2041 days ago · 112 km deep · 6 km away
  10. 1.618 km S of Skwentna, Alaska · 2042 days ago · 79 km deep · 97 km away
  11. 1.513 km W of Salamatof, Alaska · 2042 days ago · 73 km deep · 66 km away
  12. 1.619 km W of Tyonek, Alaska · 2043 days ago · 77 km deep · 45 km away
  13. 1.65 km SSW of Point Possession, Alaska · 2043 days ago · 32 km deep · 89 km away
  14. 2.840 km NW of Ninilchik, Alaska · 2043 days ago · 97 km deep · 90 km away
  15. 1.541 km W of Salamatof, Alaska · 2043 days ago · 77 km deep · 51 km away
  16. 1.680 km ENE of Port Alsworth, Alaska · 2044 days ago · 154 km deep · 71 km away
  17. 1.541 km WNW of Ninilchik, Alaska · 2044 days ago · 95 km deep · 92 km away
  18. 1.664 km NW of Ninilchik, Alaska · 2044 days ago · 103 km deep · 69 km away
  19. 1.845 km WNW of Ninilchik, Alaska · 2044 days ago · 102 km deep · 99 km away
  20. 2.720 km E of Beluga, Alaska · 2044 days ago · 16 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212kmcocd. Read Sat, Sep 26, 2026, 3:18 AM UTC.