Alaska earthquakes

M2.3 earthquake 25 km NE of Atka, Alaska

A magnitude 2.3 earthquake struck 25 km NE of Atka, Alaska on Sun, Oct 4, 2020, 7:04 AM HADT (16:04 UTC), 172 km (107 mi) below the surface.

A larger quake followed: M3.9 45 km SE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-10-04 16:04:32 UTC
Depth
172.1 km (106.9 mi), intermediate-depth
Epicenter
52.336° N, 173.901° 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
14

Nearby

Within 100 km, magnitude 1.5 and up: 45 in the 60 days after this one and 35 in the 30 days before it.

After

  1. 1.962 km ESE of Atka, Alaska · 2186 days ago · 53 km deep · 57 km away
  2. 3.539 km ESE of Atka, Alaska · 2184 days ago · 14 km deep · 32 km away
  3. 2.218 km SE of Atka, Alaska · 2183 days ago · 71 km deep · 28 km away
  4. 2.154 km ESE of Atka, Alaska · 2182 days ago · 53 km deep · 50 km away
  5. 1.932 km E of Atka, Alaska · 2181 days ago · 14 km deep · 17 km away
  6. 1.851 km SSE of Atka, Alaska · 2181 days ago · 25 km deep · 67 km away
  7. 3.945 km SE of Atka, Alaska · 2180 days ago · 20 km deep · 48 km away
  8. 2.926 km WNW of Atka, Alaska · 2180 days ago · 195 km deep · 43 km away
  9. 1.737 km SW of Atka, Alaska · 2179 days ago · 64 km deep · 63 km away
  10. 1.826 km SW of Atka, Alaska · 2175 days ago · 72 km deep · 52 km away
  11. 2.921 km S of Atka, Alaska · 2174 days ago · 195 km deep · 41 km away
  12. 2.892 km SE of Atka, Alaska · 2172 days ago · 35 km deep · 94 km away
  13. 1.615 km NW of Atka, Alaska · 2171 days ago · 180 km deep · 30 km away
  14. 3.071 km ESE of Atka, Alaska · 2171 days ago · 15 km deep · 64 km away
  15. 2.841 km ENE of Atka, Alaska · 2168 days ago · 166 km deep · 16 km away
  16. 2.934 km N of Atka, Alaska · 2168 days ago · 193 km deep · 29 km away
  17. 1.723 km WNW of Atka, Alaska · 2166 days ago · 148 km deep · 40 km away
  18. 1.819 km NW of Atka, Alaska · 2166 days ago · 188 km deep · 35 km away
  19. 1.930 km W of Atka, Alaska · 2165 days ago · 199 km deep · 52 km away
  20. 2.373 km W of Atka, Alaska · 2165 days ago · 239 km deep · 96 km away
  21. 3.057 km ESE of Atka, Alaska · 2165 days ago · 76 km deep · 49 km away
  22. 1.534 km SE of Atka, Alaska · 2164 days ago · 12 km deep · 43 km away
  23. 1.640 km ESE of Atka, Alaska · 2163 days ago · 78 km deep · 31 km away
  24. 2.755 km NNW of Atka, Alaska · 2163 days ago · 183 km deep · 53 km away
  25. 2.516 km NNE of Atka, Alaska · 2162 days ago · 4 km deep · 17 km away
  26. 2.013 km SE of Atka, Alaska · 2160 days ago · 98 km deep · 26 km away
  27. 2.043 km W of Atka, Alaska · 2158 days ago · 95 km deep · 67 km away
  28. 1.660.7 km NE of Atka, AK · 2157 days ago · 47 km deep · 86 km away
  29. 2.352 km SE of Atka, Alaska · 2156 days ago · 115 km deep · 55 km away
  30. 2.49 km ESE of Atka, Alaska · 2153 days ago · 158 km deep · 23 km away
  31. 2.933 km NNE of Atka, Alaska · 2149 days ago · 218 km deep · 20 km away
  32. 2.943 km WSW of Atka, Alaska · 2149 days ago · 247 km deep · 68 km away
  33. 3.520 km ENE of Atka, Alaska · 2149 days ago · 159 km deep · 8 km away
  34. 2.230 km SSW of Atka, Alaska · 2149 days ago · 61 km deep · 54 km away
  35. 3.090 km SSE of Atka, Alaska · 2148 days ago · 10 km deep · 96 km away
  36. 3.272 km ESE of Atka, Alaska · 2147 days ago · 100 km deep · 61 km away
  37. 3.669 km SSW of Atka, Alaska · 2146 days ago · 25 km deep · 93 km away
  38. 1.974 km SW of Atka, Alaska · 2141 days ago · 22 km deep · 100 km away
  39. 2.9106 km ESE of Atka, Alaska · 2140 days ago · 19 km deep · 97 km away
  40. 3.6103 km SE of Atka, Alaska · 2140 days ago · 35 km deep · 98 km away
  41. 1.667 km WSW of Atka, Alaska · 2139 days ago · 69 km deep · 92 km away
  42. 2.056 km SSW of Atka, Alaska · 2138 days ago · 23 km deep · 81 km away
  43. 2.563 km WSW of Atka, Alaska · 2136 days ago · 57 km deep · 89 km away
  44. 3.056 km SSW of Atka, Alaska · 2130 days ago · 33 km deep · 81 km away
  45. 3.373 km SE of Atka, Alaska · 2130 days ago · 14 km deep · 78 km away

Before

  1. 1.749 km S of Atka, Alaska · 2188 days ago · 23 km deep · 66 km away
  2. 2.336 km W of Atka, Alaska · 2189 days ago · 200 km deep · 58 km away
  3. 1.576 km S of Atka, Alaska · 2189 days ago · 22 km deep · 95 km away
  4. 3.6100 km E of Atka, Alaska · 2191 days ago · 151 km deep · 78 km away
  5. 1.657 km WSW of Atka, Alaska · 2192 days ago · 74 km deep · 82 km away
  6. 2.147 km ESE of Atka, Alaska · 2192 days ago · 85 km deep · 36 km away
  7. 2.325 km S of Atka, Alaska · 2193 days ago · 145 km deep · 46 km away
  8. 2.840 km SSW of Atka, Alaska · 2194 days ago · 76 km deep · 64 km away
  9. 1.735 km SSE of Atka, Alaska · 2195 days ago · 55 km deep · 46 km away
  10. 1.95 km NW of Atka, Alaska · 2196 days ago · 152 km deep · 26 km away
  11. 1.775 km SE of Atka, Alaska · 2196 days ago · 1 km deep · 71 km away
  12. 1.915 km WSW of Atka, Alaska · 2196 days ago · 170 km deep · 40 km away
  13. 1.787 km SSE of Atka, AK · 2197 days ago · 39 km deep · 96 km away
  14. 1.583 km SSE of Atka, Alaska · 2197 days ago · 8 km deep · 96 km away
  15. 3.169 km WSW of Atka, Alaska · 2197 days ago · 75 km deep · 95 km away
  16. 1.860 km SW of Atka, Alaska · 2198 days ago · 60 km deep · 86 km away
  17. 2.967 km ESE of Atka, Alaska · 2198 days ago · 71 km deep · 58 km away
  18. 2.07 km NW of Atka, Alaska · 2198 days ago · 140 km deep · 27 km away
  19. 4.026 km NNW of Atka, Alaska · 2199 days ago · 122 km deep · 33 km away
  20. 3.385 km SE of Atka, Alaska · 2200 days ago · 35 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020cs0ycce. Read Thu, Oct 1, 2026, 6:43 AM UTC.