Alaska earthquakes

M1.8 earthquake 71 km SE of Unalaska, Alaska

A magnitude 1.8 earthquake struck 71 km SE of Unalaska, Alaska on Thu, Sep 24, 2020, 4:18 AM AKDT (12:18 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M4.7 156 km SSE of Akutan, 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), micro
Local time
UTC
2020-09-24 12:18:25 UTC
Depth
23.7 km (14.7 mi), shallow
Epicenter
53.475° N, 165.695° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 92 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 1.538 km SE of Unalaska, Alaska · 2192 days ago · 32 km deep · 35 km away
  2. 3.2Fox Islands, Aleutian Islands, Alaska · 2188 days ago · 35 km deep · 1 km away
  3. 1.887 km SSW of Unalaska, Alaska · 2188 days ago · 17 km deep · 95 km away
  4. 1.949 km SSE of Akutan, Alaska · 2187 days ago · 58 km deep · 26 km away
  5. 1.869 km ESE of Akutan, Alaska · 2185 days ago · 55 km deep · 86 km away
  6. 1.644 km S of Akutan, Alaska · 2185 days ago · 24 km deep · 30 km away
  7. 1.933 km E of Akutan, Alaska · 2183 days ago · 84 km deep · 83 km away
  8. 1.761 km S of Unalaska, Alaska · 2181 days ago · 43 km deep · 57 km away
  9. 2.278 km SSE of Akutan, Alaska · 2180 days ago · 25 km deep · 24 km away
  10. 1.871 km S of Unalaska, Alaska · 2180 days ago · 28 km deep · 55 km away
  11. 1.540 km S of Unalaska, Alaska · 2179 days ago · 61 km deep · 63 km away
  12. 1.537 km SE of Akutan, Alaska · 2179 days ago · 69 km deep · 53 km away
  13. 2.765 km SW of Unalaska, Alaska · 2179 days ago · 10 km deep · 99 km away
  14. 1.945 km SW of Unalaska, Alaska · 2178 days ago · 27 km deep · 81 km away
  15. 1.768 km SE of Unalaska, Alaska · 2178 days ago · 38 km deep · 15 km away
  16. 1.667 km SE of Unalaska, Alaska · 2178 days ago · 49 km deep · 17 km away
  17. 3.529 km WSW of Dutch Harbor, Alaska · 2177 days ago · 107 km deep · 93 km away
  18. 2.070 km SSW of Unalaska, Alaska · 2174 days ago · 67 km deep · 95 km away
  19. 1.747 km SSE of Unalaska, Alaska · 2174 days ago · 52 km deep · 30 km away
  20. 1.779 km S of Unalaska, Alaska · 2173 days ago · 25 km deep · 78 km away
  21. 3.054 km SE of Unalaska, Alaska · 2172 days ago · 56 km deep · 18 km away
  22. 4.7156 km SSE of Akutan, Alaska · 2171 days ago · 10 km deep · 97 km away · felt by 1
  23. 2.622 km SSW of Akutan, Alaska · 2170 days ago · 92 km deep · 56 km away
  24. 2.991 km SSE of Akutan, Alaska · 2169 days ago · 35 km deep · 46 km away
  25. 2.591 km SE of Akutan, Alaska · 2169 days ago · 35 km deep · 47 km away
  26. 4.371 km SE of Akutan, Alaska · 2169 days ago · 35 km deep · 41 km away
  27. 2.555 km SE of Unalaska, Alaska · 2167 days ago · 59 km deep · 23 km away
  28. 1.568 km SSE of Akutan, Alaska · 2167 days ago · 19 km deep · 19 km away
  29. 1.692 km SE of Akutan, Alaska · 2166 days ago · 4 km deep · 69 km away
  30. 1.680 km SSE of Akutan, Alaska · 2164 days ago · 43 km deep · 35 km away
  31. 1.773 km S of Akutan, Alaska · 2163 days ago · 43 km deep · 6 km away
  32. 1.798 km SE of Akutan, Alaska · 2163 days ago · 21 km deep · 78 km away
  33. 3.747 km SE of Akutan, Alaska · 2163 days ago · 49 km deep · 46 km away
  34. 1.951 km SE of Akutan, Alaska · 2163 days ago · 43 km deep · 45 km away
  35. 2.663 km SE of Akutan, Alaska · 2163 days ago · 35 km deep · 39 km away
  36. 2.021 km SE of Akutan, Alaska · 2162 days ago · 63 km deep · 62 km away
  37. 2.8122 km SSE of Akutan, Alaska · 2162 days ago · 9 km deep · 69 km away
  38. 3.780 km SE of Akutan, Alaska · 2160 days ago · 45 km deep · 41 km away
  39. 2.587 km SE of Akutan, Alaska · 2160 days ago · 28 km deep · 46 km away
  40. 1.971 km E of Akutan, Alaska · 2159 days ago · 59 km deep · 89 km away
  41. 3.242 km E of Akutan, Alaska · 2159 days ago · 92 km deep · 79 km away
  42. 1.867 km SE of Unalaska, Alaska · 2157 days ago · 29 km deep · 14 km away
  43. 2.5139 km SE of Akutan, Alaska · 2157 days ago · 35 km deep · 85 km away
  44. 2.272 km SE of Unalaska, Alaska · 2157 days ago · 34 km deep · 2 km away
  45. 4.484 km SE of Akutan, Alaska · 2156 days ago · 35 km deep · 55 km away
  46. 2.864 km SSE of Akutan, Alaska · 2156 days ago · 47 km deep · 27 km away
  47. 3.074 km SE of Akutan, Alaska · 2156 days ago · 35 km deep · 53 km away
  48. 2.723 km S of Akutan, Alaska · 2155 days ago · 69 km deep · 50 km away
  49. 2.382 km S of Unalaska, Alaska · 2155 days ago · 25 km deep · 80 km away
  50. 3.374 km ESE of Akutan, Alaska · 2155 days ago · 25 km deep · 82 km away
  51. 2.188 km SSE of Akutan, Alaska · 2155 days ago · 26 km deep · 29 km away
  52. 2.175 km SSE of Unalaska, Alaska · 2155 days ago · 21 km deep · 23 km away
  53. 2.976 km SSE of Akutan, Alaska · 2154 days ago · 31 km deep · 15 km away
  54. 2.073 km ESE of Akutan, Alaska · 2154 days ago · 47 km deep · 82 km away
  55. 1.531 km SE of Unalaska, Alaska · 2154 days ago · 70 km deep · 40 km away
  56. 2.886 km SSE of Akutan, Alaska · 2154 days ago · 32 km deep · 41 km away
  57. 2.970 km ESE of Akutan, Alaska · 2154 days ago · 43 km deep · 85 km away
  58. 2.972 km SSE of Akutan, Alaska · 2154 days ago · 35 km deep · 15 km away
  59. 2.193 km ESE of Akutan, Alaska · 2154 days ago · 35 km deep · 95 km away
  60. 1.876 km SE of Akutan, Alaska · 2153 days ago · 62 km deep · 62 km away

The first 60 of 92.

Before

  1. 2.292 km SE of Akutan, Alaska · 2200 days ago · 26 km deep · 58 km away
  2. 3.677 km ESE of Akutan, Alaska · 2200 days ago · 42 km deep · 92 km away
  3. 2.558 km S of Unalaska, Alaska · 2201 days ago · 72 km deep · 65 km away
  4. 1.680 km SSE of Akutan, Alaska · 2203 days ago · 38 km deep · 24 km away
  5. 1.820 km NE of Dutch Harbor, Alaska · 2203 days ago · 99 km deep · 72 km away
  6. 2.192 km SE of Akutan, Alaska · 2204 days ago · 25 km deep · 61 km away
  7. 1.816 km SSW of Akutan, Alaska · 2205 days ago · 77 km deep · 58 km away
  8. 3.377 km SSE of Unalaska, Alaska · 2206 days ago · 58 km deep · 36 km away
  9. 2.927 km ENE of Dutch Harbor, Alaska · 2207 days ago · 105 km deep · 65 km away
  10. 1.986 km SE of Unalaska, Alaska · 2207 days ago · 49 km deep · 20 km away
  11. 3.241 km ESE of Unalaska, Alaska · 2208 days ago · 36 km deep · 34 km away
  12. 2.427 km NNE of Akutan, Alaska · 2208 days ago · 159 km deep · 97 km away
  13. 1.615 km WSW of Dutch Harbor, Alaska · 2208 days ago · 7 km deep · 83 km away
  14. 1.915 km WSW of Dutch Harbor, Alaska · 2208 days ago · 3 km deep · 82 km away
  15. 1.658 km SE of Akutan, Alaska · 2209 days ago · 53 km deep · 47 km away
  16. 1.946 km SE of Akutan, Alaska · 2209 days ago · 38 km deep · 44 km away
  17. 2.929 km SW of Unalaska, Alaska · 2210 days ago · 77 km deep · 77 km away
  18. 3.281 km SSW of Unalaska, Alaska · 2210 days ago · 35 km deep · 80 km away
  19. 2.183 km S of Unalaska, Alaska · 2211 days ago · 26 km deep · 80 km away
  20. 1.8Fox Islands, Aleutian Islands, Alaska · 2211 days ago · 1 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020cbfa56k. Read Wed, Sep 30, 2026, 11:19 PM UTC.