Alaska earthquakes

M4.0 earthquake 45 km SSE of Adak, Alaska

A magnitude 4.0 earthquake struck 45 km SSE of Adak, Alaska on Thu, Nov 26, 2020, 12:00 PM HAST (22:00 UTC), 43 km (27 mi) below the surface.

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

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The earthquake

Magnitude
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-11-26 22:00:23 UTC
Depth
43.0 km (26.7 mi), shallow
Epicenter
51.484° N, 176.444° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
4.0mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.085 · 37 stations
3.6ML, local (Richter)Alaska Earthquake CenterPreliminary

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 2.5 km horizontally, 7.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
188°, poorly surrounded by stations
Stations used
76

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 57 in the 30 days before it.

After

  1. 1.868 km SSW of Adak, Alaska · 2134 days ago · 26 km deep · 47 km away
  2. 1.676 km WSW of Adak, Alaska · 2134 days ago · 37 km deep · 79 km away
  3. 2.941 km SW of Adak, Alaska · 2134 days ago · 60 km deep · 41 km away
  4. 3.632 km SE of Adak, Alaska · 2132 days ago · 59 km deep · 20 km away
  5. 2.079 km E of Adak, Alaska · 2132 days ago · 81 km deep · 86 km away
  6. 3.314 km SSE of Adak, Alaska · 2132 days ago · 67 km deep · 31 km away
  7. 2.7104 km SW of Adak, Alaska · 2132 days ago · 35 km deep · 99 km away
  8. 1.817 km SSE of Adak, Alaska · 2132 days ago · 61 km deep · 28 km away
  9. 3.014 km SSE of Adak, Alaska · 2132 days ago · 66 km deep · 31 km away
  10. 2.559 km SSW of Adak, Alaska · 2131 days ago · 38 km deep · 45 km away
  11. 2.345 km W of Adak, Alaska · 2130 days ago · 107 km deep · 75 km away
  12. 1.657 km SSE of Adak, Alaska · 2130 days ago · 24 km deep · 19 km away
  13. 1.754 km SSE of Adak, Alaska · 2130 days ago · 26 km deep · 11 km away
  14. 1.851 km SSE of Adak, Alaska · 2130 days ago · 26 km deep · 9 km away
  15. 1.560 km SE of Adak, Alaska · 2129 days ago · 17 km deep · 27 km away
  16. 1.559 km SE of Adak, Alaska · 2129 days ago · 26 km deep · 28 km away
  17. 1.549 km WSW of Adak, Alaska · 2129 days ago · 70 km deep · 62 km away
  18. 3.369 km SW of Adak, AK · 2129 days ago · 64 km deep · 71 km away
  19. 1.661 km SSE of Adak, Alaska · 2128 days ago · 26 km deep · 20 km away
  20. 1.783 km SW of Atka, Alaska · 2128 days ago · 38 km deep · 92 km away
  21. 2.0108 km SW of Adak, Alaska · 2128 days ago · 28 km deep · 95 km away
  22. 2.654 km SW of Adak, Alaska · 2128 days ago · 47 km deep · 44 km away
  23. 3.254 km SSE of Adak, Alaska · 2127 days ago · 36 km deep · 9 km away
  24. 1.649 km SSE of Adak, Alaska · 2127 days ago · 24 km deep · 4 km away
  25. 1.864 km SW of Adak, Alaska · 2127 days ago · 35 km deep · 59 km away
  26. 2.835 km SSE of Adak, Alaska · 2127 days ago · 57 km deep · 11 km away
  27. 1.997 km SW of Atka, Alaska · 2127 days ago · 26 km deep · 87 km away
  28. 3.448 km SSW of Adak, Alaska · 2126 days ago · 35 km deep · 23 km away
  29. 2.554 km SSE of Adak, Alaska · 2126 days ago · 35 km deep · 10 km away
  30. 1.652 km SSE of Adak, Alaska · 2126 days ago · 29 km deep · 14 km away
  31. 2.730 km SSW of Adak, Alaska · 2126 days ago · 214 km deep · 29 km away
  32. 1.635 km NE of Adak, Alaska · 2125 days ago · 8 km deep · 66 km away
  33. 3.361 km ENE of Adak, Alaska · 2125 days ago · 165 km deep · 78 km away
  34. 2.846 km SSE of Adak, Alaska · 2125 days ago · 32 km deep · 11 km away
  35. 1.541 km SSE of Adak, Alaska · 2124 days ago · 32 km deep · 8 km away
  36. 1.774 km ESE of Adak, Alaska · 2123 days ago · 22 km deep · 58 km away
  37. 1.7107 km SW of Adak, Alaska · 2123 days ago · 40 km deep · 98 km away
  38. 1.782 km SSE of Adak, Alaska · 2122 days ago · 25 km deep · 37 km away
  39. 2.013 km SE of Adak, Alaska · 2122 days ago · 87 km deep · 36 km away
  40. 2.149 km SSE of Adak, Alaska · 2121 days ago · 26 km deep · 7 km away
  41. 2.774 km SW of Adak, Alaska · 2121 days ago · 53 km deep · 75 km away
  42. 3.948 km S of Adak, Alaska · 2120 days ago · 35 km deep · 9 km away
  43. 1.5Andreanof Islands, Aleutian Islands, Alaska · 2120 days ago · 7 km deep · 81 km away
  44. 2.164 km ESE of Adak, Alaska · 2120 days ago · 26 km deep · 43 km away
  45. 1.742 km SW of Adak, Alaska · 2119 days ago · 51 km deep · 45 km away
  46. 1.755 km S of Adak, Alaska · 2119 days ago · 23 km deep · 17 km away
  47. 3.076 km SSW of Adak, Alaska · 2119 days ago · 35 km deep · 56 km away
  48. 2.737 km SSE of Adak, Alaska · 2118 days ago · 48 km deep · 10 km away
  49. 1.993 km WSW of Adak, Alaska · 2118 days ago · 43 km deep · 97 km away
  50. 1.821 km NE of Adak, Alaska · 2117 days ago · 97 km deep · 60 km away
  51. 1.584 km SW of Adak, Alaska · 2116 days ago · 26 km deep · 82 km away
  52. 1.784 km SW of Atka, Alaska · 2116 days ago · 27 km deep · 92 km away
  53. 1.566 km WSW of Adak, Alaska · 2116 days ago · 72 km deep · 82 km away
  54. 2.153 km E of Adak, Alaska · 2116 days ago · 153 km deep · 67 km away
  55. 1.857 km WSW of Adak, Alaska · 2116 days ago · 12 km deep · 77 km away
  56. 2.067 km SE of Adak, Alaska · 2115 days ago · 23 km deep · 33 km away
  57. 2.593 km SSW of Adak, Alaska · 2115 days ago · 42 km deep · 73 km away
  58. 3.268 km SE of Adak, Alaska · 2115 days ago · 35 km deep · 36 km away
  59. 3.849 km SSW of Adak, Alaska · 2114 days ago · 42 km deep · 24 km away
  60. 2.138 km ENE of Adak, Alaska · 2114 days ago · 140 km deep · 61 km away

The first 60 of 139.

Before

  1. 2.062 km SE of Adak, Alaska · 2135 days ago · 26 km deep · 31 km away
  2. 1.978 km ESE of Adak, Alaska · 2136 days ago · 28 km deep · 60 km away
  3. 2.954 km NE of Adak, Alaska · 2136 days ago · 158 km deep · 84 km away
  4. 3.4114 km SE of Adak, Alaska · 2137 days ago · 17 km deep · 73 km away
  5. 2.832 km ENE of Adak, Alaska · 2137 days ago · 137 km deep · 55 km away
  6. 1.851 km SW of Adak, Alaska · 2138 days ago · 32 km deep · 46 km away
  7. 2.129 km WSW of Adak, Alaska · 2139 days ago · 74 km deep · 49 km away
  8. 2.346 km N of Adak, Alaska · 2139 days ago · 213 km deep · 90 km away
  9. 2.885 km SW of Adak, Alaska · 2140 days ago · 35 km deep · 80 km away
  10. 1.869 km WSW of Adak, Alaska · 2140 days ago · 56 km deep · 74 km away
  11. 1.745 km SSW of Adak, Alaska · 2140 days ago · 61 km deep · 22 km away
  12. 1.754 km SSW of Adak, Alaska · 2140 days ago · 28 km deep · 33 km away
  13. 3.668 km ENE of Adak, Alaska · 2142 days ago · 156 km deep · 88 km away
  14. 3.1104 km S of Adak, Alaska · 2145 days ago · 24 km deep · 60 km away
  15. 2.690 km WSW of Adak, Alaska · 2145 days ago · 74 km deep · 100 km away
  16. 1.657 km SSE of Adak, Alaska · 2146 days ago · 26 km deep · 15 km away
  17. 2.963 km SE of Adak, Alaska · 2146 days ago · 35 km deep · 31 km away
  18. 1.960 km S of Adak, Alaska · 2146 days ago · 43 km deep · 16 km away
  19. 2.863 km SE of Adak, Alaska · 2146 days ago · 35 km deep · 26 km away
  20. 2.544 km ESE of Adak, Alaska · 2147 days ago · 68 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ck5w (also filed as ak020f7rzgdj). Read Thu, Oct 1, 2026, 2:57 AM UTC.