Alaska earthquakes

M1.8 earthquake 91 km E of Nikolski, Alaska

A magnitude 1.8 earthquake struck 91 km E of Nikolski, Alaska on Sat, Sep 19, 2020, 5:34 PM AKDT (01:34 UTC), 48 km (30 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-09-20 01:34:45 UTC
Depth
48.3 km (30.0 mi), shallow
Epicenter
52.989° N, 167.501° 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

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 68 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.568 km SW of Unalaska, Alaska · 2204 days ago · 13 km deep · 55 km away
  2. 1.991 km E of Nikolski, Alaska · 2202 days ago · 26 km deep · 16 km away
  3. 2.558 km S of Unalaska, Alaska · 2202 days ago · 72 km deep · 69 km away
  4. 3.0111 km SE of Nikolski, Alaska · 2202 days ago · 10 km deep · 97 km away
  5. 3.2100 km E of Nikolski, Alaska · 2202 days ago · 35 km deep · 23 km away
  6. 3.394 km E of Nikolski, Alaska · 2202 days ago · 35 km deep · 18 km away
  7. 2.283 km WSW of Unalaska, Alaska · 2200 days ago · 118 km deep · 66 km away
  8. 2.883 km E of Nikolski, Alaska · 2200 days ago · 58 km deep · 14 km away
  9. 2.236 km ENE of Nikolski, Alaska · 2198 days ago · 107 km deep · 61 km away
  10. 1.887 km SSW of Unalaska, Alaska · 2189 days ago · 17 km deep · 36 km away
  11. 1.827 km SSE of Nikolski, Alaska · 2189 days ago · 40 km deep · 92 km away
  12. 1.896 km SSW of Unalaska, Alaska · 2189 days ago · 39 km deep · 21 km away
  13. 3.467 km ESE of Nikolski, Alaska · 2186 days ago · 35 km deep · 42 km away
  14. 5.743 km ESE of Nikolski, Alaska · 2185 days ago · 32 km deep · 58 km away · felt by 1 · tsunami flag
  15. 3.264 km SE of Nikolski, Alaska · 2185 days ago · 27 km deep · 56 km away
  16. 3.144 km ESE of Nikolski, Alaska · 2185 days ago · 35 km deep · 53 km away
  17. 3.457 km ESE of Nikolski, Alaska · 2185 days ago · 35 km deep · 54 km away
  18. 3.659 km ESE of Nikolski, Alaska · 2185 days ago · 30 km deep · 55 km away
  19. 2.956 km ESE of Nikolski, Alaska · 2185 days ago · 34 km deep · 51 km away
  20. 2.860 km ESE of Nikolski, Alaska · 2184 days ago · 35 km deep · 51 km away
  21. 2.961 km SE of Nikolski, Alaska · 2183 days ago · 35 km deep · 57 km away
  22. 2.238 km E of Nikolski, Alaska · 2183 days ago · 54 km deep · 55 km away
  23. 2.951 km ESE of Nikolski, Alaska · 2183 days ago · 29 km deep · 53 km away
  24. 1.761 km S of Unalaska, Alaska · 2182 days ago · 43 km deep · 76 km away
  25. 1.871 km S of Unalaska, Alaska · 2181 days ago · 28 km deep · 77 km away
  26. 1.540 km S of Unalaska, Alaska · 2181 days ago · 61 km deep · 82 km away
  27. 2.765 km SW of Unalaska, Alaska · 2181 days ago · 10 km deep · 53 km away
  28. 1.945 km SW of Unalaska, Alaska · 2180 days ago · 27 km deep · 72 km away
  29. 1.974 km SW of Unalaska, Alaska · 2180 days ago · 71 km deep · 56 km away
  30. 3.529 km WSW of Dutch Harbor, Alaska · 2179 days ago · 107 km deep · 99 km away
  31. 3.348 km ESE of Nikolski, Alaska · 2177 days ago · 36 km deep · 55 km away
  32. 2.070 km SSW of Unalaska, Alaska · 2176 days ago · 67 km deep · 47 km away
  33. 2.1144 km ESE of Nikolski, Alaska · 2176 days ago · 26 km deep · 71 km away
  34. 2.143 km SSE of Nikolski, Alaska · 2175 days ago · 18 km deep · 91 km away
  35. 1.779 km S of Unalaska, Alaska · 2175 days ago · 25 km deep · 54 km away
  36. 3.2129 km S of Unalaska, Alaska · 2175 days ago · 30 km deep · 60 km away
  37. 2.175 km E of Nikolski, Alaska · 2172 days ago · 37 km deep · 17 km away
  38. 4.040 km ESE of Nikolski, Alaska · 2171 days ago · 35 km deep · 62 km away
  39. 1.971 km E of Nikolski, Alaska · 2167 days ago · 33 km deep · 25 km away
  40. 2.752 km ESE of Nikolski, Alaska · 2167 days ago · 29 km deep · 55 km away
  41. 1.968 km WSW of Unalaska, Alaska · 2165 days ago · 86 km deep · 69 km away
  42. 3.242 km ESE of Nikolski, Alaska · 2162 days ago · 50 km deep · 58 km away
  43. 4.248 km ESE of Nikolski, Alaska · 2161 days ago · 42 km deep · 53 km away
  44. 3.243 km ESE of Nikolski, Alaska · 2161 days ago · 41 km deep · 54 km away
  45. 2.856 km ESE of Nikolski, Alaska · 2161 days ago · 35 km deep · 54 km away
  46. 3.549 km ESE of Nikolski, Alaska · 2161 days ago · 35 km deep · 57 km away
  47. 3.268 km SW of Unalaska, Alaska · 2160 days ago · 76 km deep · 52 km away
  48. 3.053 km ESE of Nikolski, Alaska · 2159 days ago · 35 km deep · 55 km away
  49. 2.382 km S of Unalaska, Alaska · 2157 days ago · 25 km deep · 52 km away
  50. 1.957 km E of Nikolski, Alaska · 2155 days ago · 23 km deep · 38 km away
  51. 2.9136 km ESE of Nikolski, Alaska · 2155 days ago · 10 km deep · 62 km away
  52. 3.783 km SSW of Unalaska, Alaska · 2154 days ago · 35 km deep · 50 km away
  53. 1.881 km S of Unalaska, Alaska · 2154 days ago · 26 km deep · 54 km away
  54. 3.155 km ESE of Nikolski, Alaska · 2154 days ago · 42 km deep · 49 km away
  55. 2.420 km SE of Nikolski, Alaska · 2153 days ago · 67 km deep · 80 km away
  56. 1.827 km SSW of Unalaska, Alaska · 2150 days ago · 75 km deep · 91 km away
  57. 3.279 km SSW of Unalaska, Alaska · 2149 days ago · 35 km deep · 50 km away
  58. 1.880 km S of Unalaska, Alaska · 2149 days ago · 26 km deep · 52 km away
  59. 2.290 km S of Unalaska, Alaska · 2148 days ago · 26 km deep · 53 km away
  60. 1.944 km SW of Unalaska, Alaska · 2148 days ago · 15 km deep · 75 km away

The first 60 of 68.

Before

  1. 3.377 km SSE of Unalaska, Alaska · 2208 days ago · 58 km deep · 100 km away
  2. 1.871 km ESE of Nikolski, Alaska · 2209 days ago · 11 km deep · 43 km away
  3. 2.378 km NE of Nikolski, Alaska · 2210 days ago · 144 km deep · 70 km away
  4. 2.929 km SW of Unalaska, Alaska · 2212 days ago · 77 km deep · 88 km away
  5. 3.281 km SSW of Unalaska, Alaska · 2212 days ago · 35 km deep · 52 km away
  6. 2.183 km S of Unalaska, Alaska · 2212 days ago · 26 km deep · 52 km away
  7. 1.593 km ESE of Nikolski, Alaska · 2215 days ago · 26 km deep · 34 km away
  8. 1.881 km WSW of Unalaska, Alaska · 2215 days ago · 81 km deep · 54 km away
  9. 2.170 km WSW of Unalaska, Alaska · 2216 days ago · 6 km deep · 60 km away
  10. 3.1104 km S of Unalaska, Alaska · 2218 days ago · 40 km deep · 55 km away
  11. 1.938 km SW of Unalaska, Alaska · 2222 days ago · 76 km deep · 80 km away
  12. 3.752 km ESE of Nikolski, Alaska · 2225 days ago · 35 km deep · 54 km away
  13. 2.2103 km SSW of Unalaska, Alaska · 2225 days ago · 78 km deep · 29 km away
  14. 1.861 km WSW of Unalaska, Alaska · 2226 days ago · 10 km deep · 69 km away
  15. 2.644 km SSE of Nikolski, Alaska · 2227 days ago · 35 km deep · 85 km away
  16. 1.542 km SW of Unalaska, Alaska · 2227 days ago · 17 km deep · 80 km away
  17. 1.877 km E of Nikolski, Alaska · 2229 days ago · 37 km deep · 14 km away
  18. 2.682 km E of Nikolski, Alaska · 2230 days ago · 32 km deep · 11 km away
  19. 1.949 km ESE of Nikolski, Alaska · 2230 days ago · 49 km deep · 46 km away
  20. 1.676 km SSW of Unalaska, Alaska · 2232 days ago · 30 km deep · 55 km away

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From the USGS Earthquake Hazards Program and its partner networks, event ak020c4moftm. Read Fri, Oct 2, 2026, 7:35 PM UTC.