Alaska earthquakes

M1.6 earthquake 13 km SE of Tyonek, Alaska

A magnitude 1.6 earthquake struck 13 km SE of Tyonek, Alaska on Sun, Feb 28, 2021, 9:13 AM AKST (18:13 UTC), 62 km (39 mi) below the surface.

A larger quake followed: M4.8 Southern 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
1.6 (ml), micro
Local time
UTC
2021-02-28 18:13:39 UTC
Depth
62.0 km (38.5 mi), shallow
Epicenter
60.969° N, 150.989° 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
27

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 200 in the 60 days after this one and 155 in the 30 days before it.

After

  1. 1.541 km NNW of Beluga, Alaska · 2035 days ago · 77 km deep · 61 km away
  2. 1.63 km SSW of Point MacKenzie, Alaska · 2035 days ago · 45 km deep · 66 km away
  3. 2.417 km WSW of Cooper Landing, Alaska · 2035 days ago · 35 km deep · 76 km away
  4. 1.638 km WNW of Susitna, Alaska · 2035 days ago · 68 km deep · 75 km away
  5. 1.76 km WNW of Houston, Alaska · 2035 days ago · 40 km deep · 95 km away
  6. 1.89 km ENE of Susitna, Alaska · 2034 days ago · 54 km deep · 76 km away
  7. 1.823 km WNW of Nikiski, Alaska · 2034 days ago · 77 km deep · 44 km away
  8. 1.970 km WNW of Nikiski, Alaska · 2034 days ago · 112 km deep · 83 km away
  9. 2.050 km NW of Beluga, Alaska · 2034 days ago · 95 km deep · 69 km away
  10. 1.711 km WNW of Susitna, Alaska · 2034 days ago · 57 km deep · 72 km away
  11. 1.722 km ESE of Kasilof, Alaska · 2034 days ago · 63 km deep · 82 km away
  12. 1.558 km W of Tyonek, Alaska · 2034 days ago · 99 km deep · 68 km away
  13. 1.77 km ESE of Kalifornsky, Alaska · 2034 days ago · 16 km deep · 66 km away · felt by 1
  14. 1.87 km SSE of Houston, Alaska · 2034 days ago · 43 km deep · 94 km away
  15. 2.211 km NW of Point MacKenzie, Alaska · 2034 days ago · 43 km deep · 70 km away · felt by 1
  16. 2.073 km WNW of Beluga, Alaska · 2034 days ago · 4 km deep · 87 km away
  17. 2.122 km SSE of Susitna, Alaska · 2033 days ago · 47 km deep · 52 km away
  18. 1.721 km SSW of Hope, Alaska · 2033 days ago · 33 km deep · 72 km away
  19. 1.61 km WSW of Point MacKenzie, Alaska · 2033 days ago · 45 km deep · 68 km away
  20. 2.130 km ESE of Kasilof, Alaska · 2033 days ago · 20 km deep · 87 km away
  21. 2.4Kenai Peninsula, Alaska · 2033 days ago · 44 km deep · 93 km away
  22. 1.641 km WNW of Clam Gulch, Alaska · 2033 days ago · 80 km deep · 87 km away
  23. 4.557 km NW of Beluga, Alaska · 2033 days ago · 99 km deep · 74 km away · felt by 189 · tsunami flag
  24. 1.67 km E of Nikiski, Alaska · 2033 days ago · 61 km deep · 33 km away
  25. 1.512 km SSW of Susitna, Alaska · 2033 days ago · 54 km deep · 57 km away
  26. 1.52 km ESE of Houston, Alaska · 2032 days ago · 37 km deep · 97 km away
  27. 1.934 km WSW of Tyonek, Alaska · 2032 days ago · 80 km deep · 41 km away
  28. 1.531 km WNW of Nikiski, Alaska · 2032 days ago · 79 km deep · 45 km away
  29. 2.821 km WSW of Point MacKenzie, Alaska · 2032 days ago · 144 km deep · 49 km away · felt by 1
  30. 2.42 km S of Big Lake, Alaska · 2032 days ago · 46 km deep · 81 km away
  31. 1.649 km SW of Skwentna, Alaska · 2032 days ago · 116 km deep · 92 km away
  32. 1.521 km NW of Susitna, Alaska · 2032 days ago · 59 km deep · 78 km away
  33. 1.624 km NNW of Beluga, Alaska · 2032 days ago · 68 km deep · 44 km away
  34. 1.819 km ESE of Kasilof, Alaska · 2031 days ago · 64 km deep · 78 km away
  35. 1.552 km W of Nikiski, Alaska · 2031 days ago · 94 km deep · 70 km away
  36. 1.743 km WNW of Clam Gulch, Alaska · 2030 days ago · 98 km deep · 87 km away
  37. 2.228 km SE of Funny River, Alaska · 2030 days ago · 61 km deep · 80 km away
  38. 1.821 km NW of Ninilchik, Alaska · 2030 days ago · 73 km deep · 98 km away
  39. 1.53 km E of Point MacKenzie, Alaska · 2030 days ago · 44 km deep · 72 km away
  40. 2.055 km W of Cohoe, Alaska · 2030 days ago · 86 km deep · 92 km away
  41. 2.320 km SW of Point Possession, Alaska · 2029 days ago · 86 km deep · 21 km away
  42. 1.97 km NE of Big Lake, Alaska · 2029 days ago · 57 km deep · 90 km away
  43. 1.741 km SW of Skwentna, Alaska · 2029 days ago · 109 km deep · 100 km away
  44. 1.86 km ENE of Point Possession, Alaska · 2029 days ago · 53 km deep · 22 km away
  45. 2.011 km N of Susitna, Alaska · 2029 days ago · 46 km deep · 80 km away
  46. 3.25 km SSW of Point MacKenzie, Alaska · 2029 days ago · 40 km deep · 64 km away · felt by 91
  47. 1.710 km S of Funny River, Alaska · 2028 days ago · 37 km deep · 63 km away
  48. 2.15 km W of Point MacKenzie, Alaska · 2028 days ago · 37 km deep · 66 km away
  49. 1.89 km W of Point Possession, Alaska · 2028 days ago · 13 km deep · 8 km away
  50. 1.543 km S of Skwentna, Alaska · 2028 days ago · 79 km deep · 74 km away
  51. 2.03 km WSW of Hope, Alaska · 2028 days ago · 31 km deep · 70 km away
  52. 1.545 km NW of Nikiski, Alaska · 2028 days ago · 88 km deep · 52 km away
  53. 1.527 km WNW of Tyonek, Alaska · 2027 days ago · 81 km deep · 40 km away
  54. 1.717 km SW of Susitna, Alaska · 2027 days ago · 68 km deep · 54 km away
  55. 1.743 km SW of Skwentna, Alaska · 2026 days ago · 95 km deep · 91 km away
  56. 2.145 km WNW of Tyonek, Alaska · 2026 days ago · 97 km deep · 57 km away · felt by 1
  57. 1.79 km SSW of Cooper Landing, Alaska · 2025 days ago · 32 km deep · 85 km away
  58. 1.846 km S of Skwentna, Alaska · 2025 days ago · 76 km deep · 73 km away
  59. 1.632 km NW of Susitna, Alaska · 2025 days ago · 64 km deep · 84 km away
  60. 1.719 km ESE of Clam Gulch, Alaska · 2025 days ago · 55 km deep · 86 km away

The first 60 of at least 200.

Before

  1. 1.549 km WNW of Clam Gulch, Alaska · 2036 days ago · 85 km deep · 92 km away
  2. 1.925 km WNW of Susitna, Alaska · 2036 days ago · 63 km deep · 76 km away
  3. 2.618 km ESE of Elmendorf Air Force Base, Alaska · 2036 days ago · 20 km deep · 95 km away · felt by 7
  4. 1.730 km WNW of Susitna, Alaska · 2036 days ago · 73 km deep · 76 km away
  5. 1.715 km E of Point Possession, Alaska · 2036 days ago · 10 km deep · 32 km away
  6. 1.925 km W of Cooper Landing, Alaska · 2036 days ago · 47 km deep · 66 km away
  7. 1.64 km SW of Point MacKenzie, Alaska · 2036 days ago · 44 km deep · 65 km away
  8. 1.73 km SW of Point MacKenzie, Alaska · 2036 days ago · 46 km deep · 66 km away
  9. 5.35 km SSE of Point MacKenzie, Alaska · 2036 days ago · 46 km deep · 69 km away
  10. 5.35 km SSE of Point MacKenzie, Alaska · 2036 days ago · 46 km deep · 69 km away · felt by 2,970 · tsunami flag
  11. 2.37 km NNW of Knik, Alaska · 2037 days ago · 39 km deep · 89 km away
  12. 1.96 km NNW of Clam Gulch, Alaska · 2037 days ago · 57 km deep · 79 km away
  13. 2.028 km ENE of Beluga, Alaska · 2037 days ago · 46 km deep · 39 km away
  14. 1.626 km ENE of Sterling, Alaska · 2037 days ago · 42 km deep · 50 km away
  15. 1.814 km WNW of Tyonek, Alaska · 2037 days ago · 70 km deep · 28 km away
  16. 1.61 km SSE of Funny River, Alaska · 2037 days ago · 44 km deep · 55 km away
  17. 2.070 km WNW of Nikiski, Alaska · 2037 days ago · 117 km deep · 80 km away
  18. 1.615 km N of Beluga, Alaska · 2038 days ago · 65 km deep · 35 km away
  19. 1.549 km WNW of Nikiski, Alaska · 2038 days ago · 99 km deep · 60 km away
  20. 1.623 km WNW of Nikiski, Alaska · 2039 days ago · 75 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212pvi5e2. Read Sat, Sep 26, 2026, 4:39 AM UTC.