Alaska earthquakes

M1.6 earthquake 21 km S of Tyonek, Alaska

A magnitude 1.6 earthquake struck 21 km S of Tyonek, Alaska on Fri, Oct 2, 2020, 7:04 AM AKDT (15:04 UTC), 63 km (39 mi) below the surface.

A larger quake followed: M5.1 2 km E of Big Lake, 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
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-10-02 15:04:09 UTC
Depth
63.0 km (39.1 mi), shallow
Epicenter
60.874° N, 151.097° 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
19

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 145 in the 30 days before it.

After

  1. 1.910 km W of Big Lake, Alaska · 2190 days ago · 47 km deep · 88 km away
  2. 1.622 km SSW of Anchorage, Alaska · 2190 days ago · 38 km deep · 57 km away
  3. 1.917 km NNE of Nikiski, Alaska · 2190 days ago · 58 km deep · 6 km away
  4. 2.120 km WNW of Cohoe, Alaska · 2189 days ago · 66 km deep · 59 km away
  5. 1.724 km WNW of Nikiski, Alaska · 2189 days ago · 74 km deep · 32 km away
  6. 2.62 km SW of Tyonek, Alaska · 2189 days ago · 58 km deep · 20 km away
  7. 1.924 km NE of Sterling, Alaska · 2189 days ago · 41 km deep · 45 km away
  8. 2.23 km SSW of Big Lake, Alaska · 2189 days ago · 40 km deep · 91 km away
  9. 2.030 km WSW of Tyonek, Alaska · 2189 days ago · 69 km deep · 29 km away
  10. 1.726 km WNW of Nikiski, Alaska · 2188 days ago · 79 km deep · 33 km away
  11. 1.546 km NNW of Beluga, Alaska · 2187 days ago · 87 km deep · 73 km away
  12. 1.949 km NW of Ninilchik, Alaska · 2187 days ago · 92 km deep · 95 km away
  13. 1.634 km W of Salamatof, Alaska · 2187 days ago · 83 km deep · 54 km away
  14. 1.64 km SSW of Big Lake, Alaska · 2187 days ago · 38 km deep · 90 km away
  15. 2.116 km NE of Sterling, Alaska · 2187 days ago · 44 km deep · 37 km away
  16. 2.214 km NE of Sterling, Alaska · 2187 days ago · 48 km deep · 41 km away
  17. 2.18 km WSW of Point MacKenzie, Alaska · 2187 days ago · 37 km deep · 73 km away
  18. 2.349 km WNW of Beluga, Alaska · 2187 days ago · 94 km deep · 63 km away
  19. 3.07 km NNE of Point MacKenzie, Alaska · 2187 days ago · 39 km deep · 87 km away · felt by 6
  20. 1.619 km NW of Ninilchik, Alaska · 2187 days ago · 84 km deep · 92 km away
  21. 2.222 km WSW of Anchorage, Alaska · 2186 days ago · 50 km deep · 52 km away
  22. 1.741 km WSW of Salamatof, Alaska · 2186 days ago · 78 km deep · 66 km away
  23. 4.131 km WNW of Susitna, Alaska · 2186 days ago · 69 km deep · 85 km away · felt by 316 · tsunami flag
  24. 1.670 km WNW of Beluga, Alaska · 2186 days ago · 1 km deep · 87 km away
  25. 1.69 km SW of Point MacKenzie, Alaska · 2185 days ago · 45 km deep · 71 km away
  26. 1.7Southern Alaska · 2185 days ago · 37 km deep · 83 km away
  27. 1.518 km W of Clam Gulch, Alaska · 2185 days ago · 72 km deep · 79 km away
  28. 1.733 km WNW of Nikiski, Alaska · 2184 days ago · 81 km deep · 39 km away
  29. 1.84 km SE of Ninilchik, Alaska · 2184 days ago · 64 km deep · 98 km away
  30. 1.79 km ESE of Elmendorf Air Force Base, Alaska · 2183 days ago · 27 km deep · 96 km away
  31. 1.653 km W of Salamatof, Alaska · 2183 days ago · 90 km deep · 72 km away
  32. 1.66 km ENE of Tyonek, Alaska · 2183 days ago · 53 km deep · 24 km away
  33. 1.963 km SSW of Skwentna, Alaska · 2182 days ago · 4 km deep · 85 km away
  34. 1.659 km W of Nikiski, Alaska · 2182 days ago · 100 km deep · 70 km away
  35. 1.526 km SW of Susitna, Alaska · 2182 days ago · 64 km deep · 60 km away
  36. 1.826 km WSW of Tyonek, Alaska · 2182 days ago · 78 km deep · 29 km away
  37. 2.071 km WNW of Beluga, Alaska · 2182 days ago · 2 km deep · 88 km away
  38. 2.220 km NNW of Ninilchik, Alaska · 2182 days ago · 71 km deep · 81 km away
  39. 1.635 km WNW of Ninilchik, Alaska · 2181 days ago · 78 km deep · 96 km away
  40. 2.35 km NW of Point MacKenzie, Alaska · 2181 days ago · 44 km deep · 80 km away
  41. 1.756 km WNW of Ninilchik, Alaska · 2181 days ago · 107 km deep · 100 km away
  42. 1.514 km SW of Anchorage, Alaska · 2181 days ago · 38 km deep · 61 km away
  43. 3.816 km N of Susitna, Alaska · 2181 days ago · 59 km deep · 95 km away · felt by 70
  44. 1.5Kenai Peninsula, Alaska · 2181 days ago · 55 km deep · 93 km away
  45. 2.016 km NW of Ninilchik, Alaska · 2180 days ago · 77 km deep · 90 km away
  46. 1.624 km ENE of Beluga, Alaska · 2179 days ago · 51 km deep · 48 km away
  47. 1.764 km W of Tyonek, Alaska · 2179 days ago · 113 km deep · 68 km away
  48. 1.56 km SW of Big Lake, Alaska · 2179 days ago · 52 km deep · 88 km away
  49. 1.54 km E of Big Lake, Alaska · 2179 days ago · 38 km deep · 97 km away
  50. 2.817 km SE of Point Possession, Alaska · 2179 days ago · 10 km deep · 34 km away · felt by 13
  51. 1.986 km W of Salamatof, Alaska · 2179 days ago · 128 km deep · 99 km away
  52. 1.722 km S of Susitna, Alaska · 2179 days ago · 45 km deep · 62 km away
  53. 2.067 km W of Tyonek, Alaska · 2179 days ago · 7 km deep · 73 km away
  54. 2.06 km NNE of Point MacKenzie, Alaska · 2178 days ago · 35 km deep · 87 km away
  55. 2.248 km S of Skwentna, Alaska · 2178 days ago · 77 km deep · 80 km away
  56. 2.045 km NW of Ninilchik, Alaska · 2178 days ago · 83 km deep · 81 km away
  57. 1.83 km ESE of Tyonek, Alaska · 2177 days ago · 53 km deep · 20 km away
  58. 3.119 km SW of Tyonek, Alaska · 2177 days ago · 69 km deep · 15 km away · felt by 1
  59. 2.634 km NNW of Beluga, Alaska · 2177 days ago · 76 km deep · 62 km away
  60. 1.830 km W of Salamatof, Alaska · 2176 days ago · 80 km deep · 50 km away

The first 60 of at least 199.

Before

  1. 1.65 km NNE of Point MacKenzie, Alaska · 2191 days ago · 38 km deep · 86 km away
  2. 1.58 km SSW of Big Lake, Alaska · 2191 days ago · 43 km deep · 86 km away
  3. 2.04 km SE of Big Lake, Alaska · 2191 days ago · 39 km deep · 95 km away
  4. 1.661 km NW of Beluga, Alaska · 2191 days ago · 5 km deep · 83 km away
  5. 2.82 km SSW of Big Lake, Alaska · 2191 days ago · 39 km deep · 92 km away
  6. 1.623 km NNE of Sterling, Alaska · 2192 days ago · 46 km deep · 34 km away
  7. 2.021 km W of Tyonek, Alaska · 2192 days ago · 75 km deep · 32 km away · felt by 1
  8. 1.941 km SW of Skwentna, Alaska · 2192 days ago · 93 km deep · 99 km away
  9. 2.121 km SSE of Point Possession, Alaska · 2192 days ago · 47 km deep · 35 km away
  10. 2.022 km SSE of Point Possession, Alaska · 2192 days ago · 46 km deep · 35 km away
  11. 1.513 km ENE of Point Possession, Alaska · 2192 days ago · 46 km deep · 35 km away
  12. 2.07 km SSE of Clam Gulch, Alaska · 2193 days ago · 44 km deep · 79 km away
  13. 2.646 km WNW of Tyonek, Alaska · 2193 days ago · 90 km deep · 60 km away
  14. 1.742 km SSW of Skwentna, Alaska · 2193 days ago · 83 km deep · 91 km away
  15. 1.655 km WNW of Beluga, Alaska · 2193 days ago · 97 km deep · 75 km away
  16. 2.124 km WNW of Cohoe, Alaska · 2193 days ago · 71 km deep · 61 km away
  17. 1.85 km E of Big Lake, Alaska · 2193 days ago · 39 km deep · 98 km away
  18. 1.627 km NW of Nikiski, Alaska · 2193 days ago · 78 km deep · 33 km away
  19. 1.651 km NW of Beluga, Alaska · 2194 days ago · 90 km deep · 78 km away
  20. 1.532 km NW of Susitna, Alaska · 2194 days ago · 76 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020copa5xu. Read Fri, Oct 2, 2026, 1:51 AM UTC.