Alaska earthquakes

M1.8 earthquake 96 km SSW of Unalaska, Alaska

A magnitude 1.8 earthquake struck 96 km SSW of Unalaska, Alaska on Sun, Oct 4, 2020, 11:38 AM AKDT (19:38 UTC), 39 km (24 mi) below the surface.

A larger quake followed: M6.4 46 km ESE of Nikolski, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2020-10-04 19:38:54 UTC
Depth
39.1 km (24.3 mi), shallow
Epicenter
53.129° N, 167.287° 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
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 159 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 3.467 km ESE of Nikolski, Alaska · 2182 days ago · 35 km deep · 63 km away
  2. 5.743 km ESE of Nikolski, Alaska · 2181 days ago · 32 km deep · 77 km away · felt by 1 · tsunami flag
  3. 3.264 km SE of Nikolski, Alaska · 2181 days ago · 27 km deep · 77 km away
  4. 3.144 km ESE of Nikolski, Alaska · 2181 days ago · 35 km deep · 73 km away
  5. 3.457 km ESE of Nikolski, Alaska · 2181 days ago · 35 km deep · 75 km away
  6. 3.659 km ESE of Nikolski, Alaska · 2181 days ago · 30 km deep · 76 km away
  7. 2.956 km ESE of Nikolski, Alaska · 2181 days ago · 34 km deep · 72 km away
  8. 2.860 km ESE of Nikolski, Alaska · 2180 days ago · 35 km deep · 72 km away
  9. 2.961 km SE of Nikolski, Alaska · 2180 days ago · 35 km deep · 78 km away
  10. 2.238 km E of Nikolski, Alaska · 2179 days ago · 54 km deep · 73 km away
  11. 2.951 km ESE of Nikolski, Alaska · 2179 days ago · 29 km deep · 73 km away
  12. 1.761 km S of Unalaska, Alaska · 2179 days ago · 43 km deep · 56 km away
  13. 1.871 km S of Unalaska, Alaska · 2178 days ago · 28 km deep · 59 km away
  14. 1.540 km S of Unalaska, Alaska · 2177 days ago · 61 km deep · 61 km away
  15. 2.765 km SW of Unalaska, Alaska · 2177 days ago · 10 km deep · 34 km away
  16. 1.945 km SW of Unalaska, Alaska · 2176 days ago · 27 km deep · 51 km away
  17. 1.768 km SE of Unalaska, Alaska · 2176 days ago · 38 km deep · 98 km away
  18. 1.974 km SW of Unalaska, Alaska · 2176 days ago · 71 km deep · 42 km away
  19. 1.667 km SE of Unalaska, Alaska · 2176 days ago · 49 km deep · 96 km away
  20. 3.529 km WSW of Dutch Harbor, Alaska · 2175 days ago · 107 km deep · 80 km away
  21. 3.348 km ESE of Nikolski, Alaska · 2174 days ago · 36 km deep · 75 km away
  22. 2.070 km SSW of Unalaska, Alaska · 2172 days ago · 67 km deep · 26 km away
  23. 1.747 km SSE of Unalaska, Alaska · 2172 days ago · 52 km deep · 87 km away
  24. 2.1144 km ESE of Nikolski, Alaska · 2172 days ago · 26 km deep · 78 km away
  25. 1.779 km S of Unalaska, Alaska · 2171 days ago · 25 km deep · 35 km away
  26. 3.2129 km S of Unalaska, Alaska · 2171 days ago · 30 km deep · 59 km away
  27. 2.175 km E of Nikolski, Alaska · 2168 days ago · 37 km deep · 32 km away
  28. 4.040 km ESE of Nikolski, Alaska · 2167 days ago · 35 km deep · 82 km away
  29. 2.555 km SE of Unalaska, Alaska · 2165 days ago · 59 km deep · 90 km away
  30. 1.971 km E of Nikolski, Alaska · 2163 days ago · 33 km deep · 46 km away
  31. 2.752 km ESE of Nikolski, Alaska · 2163 days ago · 29 km deep · 76 km away
  32. 1.968 km WSW of Unalaska, Alaska · 2161 days ago · 86 km deep · 55 km away
  33. 3.242 km ESE of Nikolski, Alaska · 2158 days ago · 50 km deep · 78 km away
  34. 4.248 km ESE of Nikolski, Alaska · 2157 days ago · 42 km deep · 73 km away
  35. 3.243 km ESE of Nikolski, Alaska · 2157 days ago · 41 km deep · 73 km away
  36. 2.856 km ESE of Nikolski, Alaska · 2157 days ago · 35 km deep · 75 km away
  37. 3.549 km ESE of Nikolski, Alaska · 2157 days ago · 35 km deep · 77 km away
  38. 3.268 km SW of Unalaska, Alaska · 2157 days ago · 76 km deep · 33 km away
  39. 1.867 km SE of Unalaska, Alaska · 2155 days ago · 29 km deep · 99 km away
  40. 3.053 km ESE of Nikolski, Alaska · 2155 days ago · 35 km deep · 76 km away
  41. 2.382 km S of Unalaska, Alaska · 2153 days ago · 25 km deep · 35 km away
  42. 2.175 km SSE of Unalaska, Alaska · 2153 days ago · 21 km deep · 94 km away
  43. 1.531 km SE of Unalaska, Alaska · 2152 days ago · 70 km deep · 97 km away
  44. 1.957 km E of Nikolski, Alaska · 2152 days ago · 23 km deep · 58 km away
  45. 2.9136 km ESE of Nikolski, Alaska · 2151 days ago · 10 km deep · 70 km away
  46. 3.783 km SSW of Unalaska, Alaska · 2150 days ago · 35 km deep · 33 km away
  47. 1.881 km S of Unalaska, Alaska · 2150 days ago · 26 km deep · 37 km away
  48. 3.155 km ESE of Nikolski, Alaska · 2150 days ago · 42 km deep · 69 km away
  49. 2.420 km SE of Nikolski, Alaska · 2150 days ago · 67 km deep · 98 km away
  50. 1.827 km SSW of Unalaska, Alaska · 2147 days ago · 75 km deep · 70 km away
  51. 3.279 km SSW of Unalaska, Alaska · 2145 days ago · 35 km deep · 32 km away
  52. 1.880 km S of Unalaska, Alaska · 2145 days ago · 26 km deep · 35 km away
  53. 2.290 km S of Unalaska, Alaska · 2144 days ago · 26 km deep · 38 km away
  54. 1.944 km SW of Unalaska, Alaska · 2144 days ago · 15 km deep · 56 km away
  55. 3.639 km E of Nikolski, Alaska · 2144 days ago · 56 km deep · 69 km away
  56. 2.980 km E of Nikolski, Alaska · 2143 days ago · 68 km deep · 27 km away
  57. 2.665 km S of Unalaska, Alaska · 2142 days ago · 52 km deep · 58 km away
  58. 1.864 km S of Unalaska, Alaska · 2142 days ago · 21 km deep · 63 km away
  59. 4.183 km SW of Unalaska, Alaska · 2142 days ago · 36 km deep · 21 km away
  60. 4.3117 km ESE of Nikolski, Alaska · 2142 days ago · 43 km deep · 58 km away

The first 60 of 159.

Before

  1. 1.887 km SSW of Unalaska, Alaska · 2185 days ago · 17 km deep · 18 km away
  2. 1.538 km SE of Unalaska, Alaska · 2190 days ago · 32 km deep · 90 km away
  3. 2.236 km ENE of Nikolski, Alaska · 2194 days ago · 107 km deep · 74 km away
  4. 2.883 km E of Nikolski, Alaska · 2196 days ago · 58 km deep · 24 km away
  5. 2.283 km WSW of Unalaska, Alaska · 2196 days ago · 118 km deep · 57 km away
  6. 3.394 km E of Nikolski, Alaska · 2198 days ago · 35 km deep · 36 km away
  7. 3.2100 km E of Nikolski, Alaska · 2198 days ago · 35 km deep · 38 km away
  8. 2.558 km S of Unalaska, Alaska · 2198 days ago · 72 km deep · 49 km away
  9. 1.991 km E of Nikolski, Alaska · 2199 days ago · 26 km deep · 34 km away
  10. 1.568 km SW of Unalaska, Alaska · 2200 days ago · 13 km deep · 38 km away
  11. 1.891 km E of Nikolski, Alaska · 2200 days ago · 48 km deep · 21 km away
  12. 3.377 km SSE of Unalaska, Alaska · 2204 days ago · 58 km deep · 82 km away
  13. 1.871 km ESE of Nikolski, Alaska · 2205 days ago · 11 km deep · 64 km away
  14. 1.615 km WSW of Dutch Harbor, Alaska · 2206 days ago · 7 km deep · 88 km away
  15. 2.378 km NE of Nikolski, Alaska · 2206 days ago · 144 km deep · 70 km away
  16. 1.915 km WSW of Dutch Harbor, Alaska · 2206 days ago · 3 km deep · 87 km away
  17. 2.929 km SW of Unalaska, Alaska · 2208 days ago · 77 km deep · 67 km away
  18. 3.281 km SSW of Unalaska, Alaska · 2208 days ago · 35 km deep · 34 km away
  19. 2.183 km S of Unalaska, Alaska · 2209 days ago · 26 km deep · 35 km away
  20. 1.593 km ESE of Nikolski, Alaska · 2211 days ago · 26 km deep · 53 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020cs2xzd7. Read Mon, Sep 28, 2026, 10:47 PM UTC.