Alaska earthquakes

M1.8 earthquake 3 km ESE of Tyonek, Alaska

A magnitude 1.8 earthquake struck 3 km ESE of Tyonek, Alaska on Thu, Oct 15, 2020, 5:01 PM AKDT (01:01 UTC), 53 km (33 mi) below the surface.

A larger quake followed: M5.1 2 km E of Big Lake, 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-10-16 01:01:06 UTC
Depth
53.3 km (33.1 mi), shallow
Epicenter
61.057° N, 151.079° 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
55

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 147 in the 30 days before it.

After

  1. 3.119 km SW of Tyonek, Alaska · 2178 days ago · 69 km deep · 20 km away · felt by 1
  2. 2.634 km NNW of Beluga, Alaska · 2178 days ago · 76 km deep · 43 km away
  3. 1.830 km W of Salamatof, Alaska · 2178 days ago · 80 km deep · 63 km away
  4. 1.8Kenai Peninsula, Alaska · 2177 days ago · 50 km deep · 92 km away
  5. 1.65 km WNW of Point MacKenzie, Alaska · 2177 days ago · 40 km deep · 64 km away
  6. 1.96 km ESE of Elmendorf Air Force Base, Alaska · 2177 days ago · 27 km deep · 86 km away
  7. 1.73 km NW of Houston, Alaska · 2177 days ago · 44 km deep · 92 km away
  8. 1.569 km W of Tyonek, Alaska · 2176 days ago · 112 km deep · 73 km away
  9. 1.879 km WNW of Nikiski, Alaska · 2176 days ago · 139 km deep · 87 km away
  10. 2.215 km E of Clam Gulch, Alaska · 2176 days ago · 60 km deep · 94 km away
  11. 2.047 km NW of Beluga, Alaska · 2176 days ago · 82 km deep · 55 km away
  12. 2.25 km NNE of Point MacKenzie, Alaska · 2176 days ago · 40 km deep · 72 km away
  13. 1.512 km NW of Cooper Landing, Alaska · 2176 days ago · 31 km deep · 81 km away
  14. 1.817 km WSW of Willow, Alaska · 2175 days ago · 46 km deep · 80 km away
  15. 1.630 km E of Skwentna, Alaska · 2175 days ago · 66 km deep · 99 km away
  16. 1.864 km W of Tyonek, Alaska · 2174 days ago · 116 km deep · 67 km away
  17. 2.329 km NNW of Susitna, Alaska · 2174 days ago · 55 km deep · 85 km away
  18. 3.14 km WNW of Houston, Alaska · 2174 days ago · 53 km deep · 90 km away · felt by 55
  19. 2.4Southern Alaska · 2174 days ago · 36 km deep · 66 km away
  20. 1.623 km NNE of Point Possession, Alaska · 2173 days ago · 12 km deep · 30 km away
  21. 1.522 km NNE of Point Possession, Alaska · 2173 days ago · 20 km deep · 32 km away
  22. 1.614 km SSE of Point Possession, Alaska · 2172 days ago · 5 km deep · 38 km away
  23. 2.016 km N of Beluga, Alaska · 2172 days ago · 65 km deep · 25 km away
  24. 2.32 km ESE of Big Lake, Alaska · 2172 days ago · 37 km deep · 80 km away
  25. 1.532 km W of Susitna, Alaska · 2172 days ago · 69 km deep · 57 km away
  26. 1.69 km NNW of Willow, Alaska · 2172 days ago · 36 km deep · 100 km away
  27. 2.48 km NW of Susitna, Alaska · 2171 days ago · 50 km deep · 65 km away
  28. 1.731 km WNW of Nikiski, Alaska · 2171 days ago · 79 km deep · 46 km away
  29. 1.624 km SSW of Susitna, Alaska · 2171 days ago · 60 km deep · 39 km away
  30. 2.134 km NW of Beluga, Alaska · 2170 days ago · 70 km deep · 42 km away
  31. 2.244 km WNW of Tyonek, Alaska · 2170 days ago · 90 km deep · 48 km away
  32. 1.550 km SSW of Skwentna, Alaska · 2170 days ago · 81 km deep · 64 km away
  33. 1.88 km NNE of Point MacKenzie, Alaska · 2169 days ago · 30 km deep · 75 km away
  34. 2.25 km NW of Point MacKenzie, Alaska · 2169 days ago · 34 km deep · 67 km away
  35. 1.644 km WSW of Tyonek, Alaska · 2169 days ago · 82 km deep · 47 km away
  36. 1.813 km ESE of Clam Gulch, Alaska · 2169 days ago · 61 km deep · 97 km away
  37. 1.616 km S of Tyonek, Alaska · 2169 days ago · 63 km deep · 16 km away
  38. 1.68 km SSE of Big Lake, Alaska · 2169 days ago · 34 km deep · 77 km away
  39. 1.521 km NW of Beluga, Alaska · 2168 days ago · 67 km deep · 30 km away
  40. 1.54 km NE of Susitna, Alaska · 2168 days ago · 62 km deep · 66 km away
  41. 1.619 km NNW of Cooper Landing, Alaska · 2168 days ago · 48 km deep · 75 km away
  42. 2.0Southern Alaska · 2168 days ago · 25 km deep · 74 km away
  43. 2.035 km WNW of Susitna, Alaska · 2167 days ago · 75 km deep · 71 km away
  44. 1.52 km WSW of Funny River, Alaska · 2167 days ago · 43 km deep · 64 km away
  45. 2.0Southern Alaska · 2166 days ago · 39 km deep · 82 km away
  46. 1.512 km NW of Willow, Alaska · 2166 days ago · 46 km deep · 97 km away
  47. 1.525 km ESE of Skwentna, Alaska · 2165 days ago · 73 km deep · 97 km away
  48. 1.74 km WNW of Point MacKenzie, Alaska · 2165 days ago · 35 km deep · 65 km away
  49. 2.227 km WNW of Susitna, Alaska · 2165 days ago · 61 km deep · 66 km away
  50. 1.912 km S of Skwentna, Alaska · 2165 days ago · 68 km deep · 93 km away
  51. 2.068 km WNW of Nikiski, Alaska · 2164 days ago · 118 km deep · 74 km away
  52. 1.57 km SSW of Big Lake, Alaska · 2164 days ago · 35 km deep · 72 km away
  53. 1.910 km ESE of Nikiski, Alaska · 2163 days ago · 61 km deep · 44 km away
  54. 2.043 km E of Nikiski, AK · 2163 days ago · 85 km deep · 65 km away
  55. 2.622 km NNW of Nikiski, AK · 2163 days ago · 66 km deep · 29 km away
  56. 1.729 km SE of Nikiski, AK · 2163 days ago · 82 km deep · 32 km away
  57. 2.74 km NNW of Tyonek, AK · 2163 days ago · 58 km deep · 7 km away
  58. 2.021 km SE of Eagle River, AK · 2163 days ago · 26 km deep · 100 km away · felt by 2
  59. 1.813 km NE of Big Lake, AK · 2163 days ago · 43 km deep · 66 km away
  60. 1.523 km E of Kalifornsky, AK · 2162 days ago · 71 km deep · 75 km away

The first 60 of at least 199.

Before

  1. 1.818 km ESE of Elmendorf Air Force Base, Alaska · 2179 days ago · 30 km deep · 95 km away · felt by 3
  2. 2.616 km ESE of Elmendorf Air Force Base, Alaska · 2179 days ago · 33 km deep · 94 km away · felt by 14
  3. 4.118 km ESE of Elmendorf Air Force Base, Alaska · 2179 days ago · 35 km deep · 95 km away · felt by 460 · tsunami flag
  4. 2.045 km NW of Ninilchik, Alaska · 2179 days ago · 83 km deep · 97 km away
  5. 2.248 km S of Skwentna, Alaska · 2179 days ago · 77 km deep · 61 km away
  6. 2.06 km NNE of Point MacKenzie, Alaska · 2179 days ago · 35 km deep · 73 km away
  7. 1.631 km N of Susitna, Alaska · 2179 days ago · 51 km deep · 88 km away
  8. 2.067 km W of Tyonek, Alaska · 2180 days ago · 7 km deep · 70 km away
  9. 1.722 km S of Susitna, Alaska · 2180 days ago · 45 km deep · 45 km away
  10. 2.817 km SE of Point Possession, Alaska · 2180 days ago · 10 km deep · 42 km away · felt by 13
  11. 1.54 km E of Big Lake, Alaska · 2180 days ago · 38 km deep · 83 km away
  12. 1.56 km SW of Big Lake, Alaska · 2181 days ago · 52 km deep · 73 km away
  13. 1.764 km W of Tyonek, Alaska · 2181 days ago · 113 km deep · 67 km away
  14. 1.624 km ENE of Beluga, Alaska · 2181 days ago · 51 km deep · 30 km away
  15. 2.233 km SW of Skwentna, Alaska · 2181 days ago · 113 km deep · 95 km away
  16. 3.816 km N of Susitna, Alaska · 2182 days ago · 59 km deep · 76 km away · felt by 70
  17. 1.514 km SW of Anchorage, Alaska · 2182 days ago · 38 km deep · 54 km away
  18. 2.35 km NW of Point MacKenzie, Alaska · 2183 days ago · 44 km deep · 66 km away
  19. 2.071 km WNW of Beluga, Alaska · 2183 days ago · 2 km deep · 76 km away
  20. 1.826 km WSW of Tyonek, Alaska · 2183 days ago · 78 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020dbmgayl. Read Sat, Oct 3, 2026, 6:53 AM UTC.