Alaska earthquakes

M2.8 earthquake 70 km SW of Nikolski, Alaska

A magnitude 2.8 earthquake struck 70 km SW of Nikolski, Alaska on Thu, Dec 31, 2020, 11:36 PM AKST (08:36 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M2.9 38 km SW of Nikolski, 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
2.8 (ml), micro
Local time
UTC
2021-01-01 08:36:15 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
52.430° N, 169.474° 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.

Location uncertainty
About 5.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
276°, poorly surrounded by stations
Stations used
24

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 85 in the 30 days before it.

After

  1. 2.938 km SW of Nikolski, Alaska · 2089 days ago · 9 km deep · 32 km away
  2. 3.362 km SE of Nikolski, Alaska · 2086 days ago · 35 km deep · 78 km away
  3. 3.249 km ESE of Nikolski, Alaska · 2084 days ago · 34 km deep · 93 km away
  4. 4.336 km E of Nikolski, Alaska · 2084 days ago · 47 km deep · 96 km away
  5. 2.945 km ESE of Nikolski, Alaska · 2081 days ago · 35 km deep · 88 km away
  6. 2.4113 km SSW of Nikolski, Alaska · 2079 days ago · 32 km deep · 51 km away
  7. 1.943 km WSW of Nikolski, Alaska · 2079 days ago · 3 km deep · 46 km away
  8. 3.246 km ESE of Nikolski, Alaska · 2078 days ago · 33 km deep · 94 km away
  9. 3.035 km SE of Nikolski, Alaska · 2076 days ago · 35 km deep · 77 km away
  10. 2.848 km ESE of Nikolski, Alaska · 2075 days ago · 35 km deep · 93 km away
  11. 3.554 km ESE of Nikolski, Alaska · 2073 days ago · 41 km deep · 97 km away
  12. 2.387 km SSE of Nikolski, Alaska · 2071 days ago · 39 km deep · 78 km away
  13. 2.349 km WSW of Nikolski, Alaska · 2071 days ago · 16 km deep · 45 km away
  14. 2.697 km WSW of Nikolski, Alaska · 2067 days ago · 102 km deep · 64 km away
  15. 2.9106 km SSE of Nikolski, Alaska · 2067 days ago · 10 km deep · 82 km away
  16. 3.8113 km SW of Nikolski, Alaska · 2066 days ago · 49 km deep · 49 km away
  17. 3.281 km WSW of Nikolski, Alaska · 2065 days ago · 70 km deep · 34 km away
  18. 4.2116 km WSW of Nikolski, Alaska · 2064 days ago · 44 km deep · 58 km away
  19. 3.347 km ESE of Nikolski, Alaska · 2063 days ago · 35 km deep · 93 km away
  20. 3.1132 km SW of Nikolski, Alaska · 2062 days ago · 27 km deep · 63 km away
  21. 2.939 km SW of Nikolski, Alaska · 2061 days ago · 69 km deep · 34 km away
  22. 2.2113 km SW of Nikolski, Alaska · 2059 days ago · 36 km deep · 44 km away
  23. 3.087 km SSW of Nikolski, Alaska · 2055 days ago · 35 km deep · 24 km away
  24. 2.053 km W of Nikolski, Alaska · 2052 days ago · -3 km deep · 49 km away
  25. 3.245 km SE of Nikolski, Alaska · 2051 days ago · 35 km deep · 84 km away
  26. 3.3153 km SW of Nikolski, Alaska · 2048 days ago · 35 km deep · 90 km away
  27. 3.8111 km SSW of Nikolski, Alaska · 2048 days ago · 30 km deep · 51 km away
  28. 3.5113 km SW of Nikolski, Alaska · 2048 days ago · 50 km deep · 44 km away
  29. 2.595 km WSW of Nikolski, Alaska · 2047 days ago · 43 km deep · 46 km away
  30. 3.5160 km SW of Nikolski, Alaska · 2046 days ago · 35 km deep · 91 km away
  31. 2.973 km SW of Nikolski, Alaska · 2046 days ago · 39 km deep · 7 km away
  32. 2.476 km SSW of Nikolski, Alaska · 2045 days ago · 9 km deep · 8 km away
  33. 2.736 km SE of Nikolski, Alaska · 2044 days ago · 35 km deep · 79 km away
  34. 1.831 km E of Nikolski, Alaska · 2043 days ago · 62 km deep · 95 km away
  35. 3.1135 km SW of Nikolski, Alaska · 2043 days ago · 35 km deep · 73 km away
  36. 4.3127 km SSW of Nikolski, Alaska · 2039 days ago · 35 km deep · 58 km away
  37. 3.287 km S of Nikolski, Alaska · 2037 days ago · 35 km deep · 42 km away
  38. 3.072 km S of Nikolski, Alaska · 2037 days ago · 10 km deep · 37 km away

Before

  1. 3.142 km ESE of Nikolski, Alaska · 2092 days ago · 35 km deep · 90 km away
  2. 2.738 km ESE of Nikolski, Alaska · 2093 days ago · 47 km deep · 89 km away
  3. 3.439 km E of Nikolski, Alaska · 2093 days ago · 35 km deep · 95 km away
  4. 2.047 km WSW of Nikolski, Alaska · 2093 days ago · 22 km deep · 38 km away
  5. 2.783 km SSE of Nikolski, Alaska · 2094 days ago · 10 km deep · 85 km away
  6. 3.046 km SW of Nikolski, Alaska · 2095 days ago · 127 km deep · 24 km away
  7. 2.251 km SW of Nikolski, Alaska · 2095 days ago · 14 km deep · 25 km away
  8. 4.243 km ESE of Nikolski, Alaska · 2095 days ago · 38 km deep · 86 km away
  9. 4.270 km SW of Nikolski, Alaska · 2097 days ago · 46 km deep · 15 km away · felt by 1
  10. 2.250 km ESE of Nikolski, Alaska · 2097 days ago · 25 km deep · 99 km away
  11. 2.993 km WSW of Nikolski, Alaska · 2097 days ago · 35 km deep · 38 km away
  12. 2.445 km ESE of Nikolski, Alaska · 2098 days ago · 44 km deep · 91 km away
  13. 2.649 km ESE of Nikolski, Alaska · 2098 days ago · 35 km deep · 95 km away
  14. 2.825 km ESE of Nikolski, Alaska · 2098 days ago · 73 km deep · 82 km away
  15. 2.683 km SE of Nikolski, Alaska · 2100 days ago · 34 km deep · 93 km away
  16. 1.538 km WNW of Nikolski, Alaska · 2100 days ago · 6 km deep · 66 km away
  17. 3.6129 km SSW of Nikolski, Alaska · 2100 days ago · 10 km deep · 68 km away
  18. 3.056 km ESE of Nikolski, Alaska · 2101 days ago · 35 km deep · 99 km away
  19. 3.335 km S of Nikolski, Alaska · 2102 days ago · 51 km deep · 44 km away
  20. 2.144 km ESE of Nikolski, Alaska · 2102 days ago · 42 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000d4un (also filed as ak0211sillf). Read Thu, Sep 24, 2026, 3:17 AM UTC.