Alaska earthquakes

M2.8 earthquake 83 km E of Nikolski, Alaska

A magnitude 2.8 earthquake struck 83 km E of Nikolski, Alaska on Wed, Sep 23, 2020, 8:25 PM AKDT (04:25 UTC), 58 km (36 mi) below the surface.

A larger quake followed: M5.7 43 km ESE 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
2020-09-24 04:25:11 UTC
Depth
58.0 km (36.0 mi), shallow
Epicenter
53.078° N, 167.642° 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 9.8 km horizontally, 26.6 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
212°, poorly surrounded by stations
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 65 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 2.236 km ENE of Nikolski, Alaska · 2196 days ago · 107 km deep · 51 km away
  2. 1.887 km SSW of Unalaska, Alaska · 2187 days ago · 17 km deep · 42 km away
  3. 1.827 km SSE of Nikolski, Alaska · 2187 days ago · 40 km deep · 87 km away
  4. 1.896 km SSW of Unalaska, Alaska · 2187 days ago · 39 km deep · 24 km away
  5. 3.467 km ESE of Nikolski, Alaska · 2184 days ago · 35 km deep · 44 km away
  6. 5.743 km ESE of Nikolski, Alaska · 2183 days ago · 32 km deep · 55 km away · felt by 1 · tsunami flag
  7. 3.264 km SE of Nikolski, Alaska · 2183 days ago · 27 km deep · 58 km away
  8. 3.144 km ESE of Nikolski, Alaska · 2183 days ago · 35 km deep · 50 km away
  9. 3.457 km ESE of Nikolski, Alaska · 2182 days ago · 35 km deep · 55 km away
  10. 3.659 km ESE of Nikolski, Alaska · 2182 days ago · 30 km deep · 56 km away
  11. 2.956 km ESE of Nikolski, Alaska · 2182 days ago · 34 km deep · 52 km away
  12. 2.860 km ESE of Nikolski, Alaska · 2182 days ago · 35 km deep · 53 km away
  13. 2.961 km SE of Nikolski, Alaska · 2181 days ago · 35 km deep · 58 km away
  14. 2.238 km E of Nikolski, Alaska · 2181 days ago · 54 km deep · 50 km away
  15. 2.951 km ESE of Nikolski, Alaska · 2180 days ago · 29 km deep · 52 km away
  16. 1.761 km S of Unalaska, Alaska · 2180 days ago · 43 km deep · 80 km away
  17. 1.871 km S of Unalaska, Alaska · 2179 days ago · 28 km deep · 83 km away
  18. 1.540 km S of Unalaska, Alaska · 2179 days ago · 61 km deep · 82 km away
  19. 2.765 km SW of Unalaska, Alaska · 2178 days ago · 10 km deep · 49 km away
  20. 1.945 km SW of Unalaska, Alaska · 2178 days ago · 27 km deep · 70 km away
  21. 1.974 km SW of Unalaska, Alaska · 2177 days ago · 71 km deep · 47 km away
  22. 3.529 km WSW of Dutch Harbor, Alaska · 2176 days ago · 107 km deep · 94 km away
  23. 3.348 km ESE of Nikolski, Alaska · 2175 days ago · 36 km deep · 53 km away
  24. 2.070 km SSW of Unalaska, Alaska · 2174 days ago · 67 km deep · 46 km away
  25. 2.1144 km ESE of Nikolski, Alaska · 2173 days ago · 26 km deep · 85 km away
  26. 2.143 km SSE of Nikolski, Alaska · 2173 days ago · 18 km deep · 89 km away
  27. 1.779 km S of Unalaska, Alaska · 2173 days ago · 25 km deep · 60 km away
  28. 3.2129 km S of Unalaska, Alaska · 2172 days ago · 30 km deep · 73 km away
  29. 2.175 km E of Nikolski, Alaska · 2170 days ago · 37 km deep · 8 km away
  30. 4.040 km ESE of Nikolski, Alaska · 2168 days ago · 35 km deep · 59 km away
  31. 1.971 km E of Nikolski, Alaska · 2165 days ago · 33 km deep · 26 km away
  32. 2.752 km ESE of Nikolski, Alaska · 2164 days ago · 29 km deep · 55 km away
  33. 1.968 km WSW of Unalaska, Alaska · 2162 days ago · 86 km deep · 61 km away
  34. 3.242 km ESE of Nikolski, Alaska · 2160 days ago · 50 km deep · 55 km away
  35. 4.248 km ESE of Nikolski, Alaska · 2159 days ago · 42 km deep · 51 km away
  36. 3.243 km ESE of Nikolski, Alaska · 2159 days ago · 41 km deep · 50 km away
  37. 2.856 km ESE of Nikolski, Alaska · 2158 days ago · 35 km deep · 55 km away
  38. 3.549 km ESE of Nikolski, Alaska · 2158 days ago · 35 km deep · 55 km away
  39. 3.268 km SW of Unalaska, Alaska · 2158 days ago · 76 km deep · 47 km away
  40. 3.053 km ESE of Nikolski, Alaska · 2156 days ago · 35 km deep · 55 km away
  41. 2.382 km S of Unalaska, Alaska · 2155 days ago · 25 km deep · 59 km away
  42. 1.957 km E of Nikolski, Alaska · 2153 days ago · 23 km deep · 36 km away
  43. 2.9136 km ESE of Nikolski, Alaska · 2152 days ago · 10 km deep · 76 km away
  44. 3.783 km SSW of Unalaska, Alaska · 2152 days ago · 35 km deep · 57 km away
  45. 1.881 km S of Unalaska, Alaska · 2152 days ago · 26 km deep · 61 km away
  46. 3.155 km ESE of Nikolski, Alaska · 2151 days ago · 42 km deep · 48 km away
  47. 2.420 km SE of Nikolski, Alaska · 2151 days ago · 67 km deep · 74 km away
  48. 1.827 km SSW of Unalaska, Alaska · 2148 days ago · 75 km deep · 90 km away
  49. 3.279 km SSW of Unalaska, Alaska · 2147 days ago · 35 km deep · 56 km away
  50. 1.880 km S of Unalaska, Alaska · 2146 days ago · 26 km deep · 59 km away
  51. 2.290 km S of Unalaska, Alaska · 2145 days ago · 26 km deep · 61 km away
  52. 1.944 km SW of Unalaska, Alaska · 2145 days ago · 15 km deep · 71 km away
  53. 3.639 km E of Nikolski, Alaska · 2145 days ago · 56 km deep · 45 km away
  54. 2.980 km E of Nikolski, Alaska · 2144 days ago · 68 km deep · 3 km away
  55. 2.665 km S of Unalaska, Alaska · 2144 days ago · 52 km deep · 82 km away
  56. 1.864 km S of Unalaska, Alaska · 2144 days ago · 21 km deep · 87 km away
  57. 4.183 km SW of Unalaska, Alaska · 2144 days ago · 36 km deep · 32 km away
  58. 4.3117 km ESE of Nikolski, Alaska · 2143 days ago · 43 km deep · 60 km away
  59. 1.980 km WSW of Unalaska, Alaska · 2142 days ago · 99 km deep · 48 km away
  60. 3.146 km ENE of Nikolski, Alaska · 2142 days ago · 78 km deep · 39 km away

The first 60 of 65.

Before

  1. 2.283 km WSW of Unalaska, Alaska · 2198 days ago · 118 km deep · 55 km away
  2. 3.394 km E of Nikolski, Alaska · 2199 days ago · 35 km deep · 30 km away
  3. 3.2100 km E of Nikolski, Alaska · 2199 days ago · 35 km deep · 36 km away
  4. 2.558 km S of Unalaska, Alaska · 2200 days ago · 72 km deep · 72 km away
  5. 1.991 km E of Nikolski, Alaska · 2200 days ago · 26 km deep · 27 km away
  6. 1.568 km SW of Unalaska, Alaska · 2201 days ago · 13 km deep · 49 km away
  7. 1.891 km E of Nikolski, Alaska · 2201 days ago · 48 km deep · 14 km away
  8. 1.871 km ESE of Nikolski, Alaska · 2206 days ago · 11 km deep · 47 km away
  9. 2.378 km NE of Nikolski, Alaska · 2207 days ago · 144 km deep · 57 km away
  10. 2.929 km SW of Unalaska, Alaska · 2209 days ago · 77 km deep · 85 km away
  11. 3.281 km SSW of Unalaska, Alaska · 2210 days ago · 35 km deep · 58 km away
  12. 2.183 km S of Unalaska, Alaska · 2210 days ago · 26 km deep · 59 km away
  13. 1.593 km ESE of Nikolski, Alaska · 2212 days ago · 26 km deep · 45 km away
  14. 1.881 km WSW of Unalaska, Alaska · 2212 days ago · 81 km deep · 44 km away
  15. 2.170 km WSW of Unalaska, Alaska · 2214 days ago · 6 km deep · 52 km away
  16. 3.1104 km S of Unalaska, Alaska · 2215 days ago · 40 km deep · 66 km away
  17. 1.938 km SW of Unalaska, Alaska · 2220 days ago · 76 km deep · 77 km away
  18. 3.752 km ESE of Nikolski, Alaska · 2222 days ago · 35 km deep · 54 km away
  19. 2.2103 km SSW of Unalaska, Alaska · 2223 days ago · 78 km deep · 39 km away
  20. 1.861 km WSW of Unalaska, Alaska · 2224 days ago · 10 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000c5uc (also filed as ak020cbak4qu). Read Wed, Sep 30, 2026, 8:05 AM UTC.