Alaska earthquakes

M1.5 earthquake 68 km SW of Unalaska, Alaska

A magnitude 1.5 earthquake struck 68 km SW of Unalaska, Alaska on Sat, Sep 19, 2020, 8:14 PM AKDT (04:14 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.3 117 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.

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The earthquake

Magnitude
1.5 (ml), micro
Local time
UTC
2020-09-20 04:14:42 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
53.472° N, 167.316° 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
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 60 in the 60 days after this one and 31 in the 30 days before it.

After

  1. 1.991 km E of Nikolski, Alaska · 2199 days ago · 26 km deep · 70 km away
  2. 2.558 km S of Unalaska, Alaska · 2199 days ago · 72 km deep · 46 km away
  3. 3.2100 km E of Nikolski, Alaska · 2199 days ago · 35 km deep · 76 km away
  4. 3.394 km E of Nikolski, Alaska · 2199 days ago · 35 km deep · 72 km away
  5. 2.283 km WSW of Unalaska, Alaska · 2197 days ago · 118 km deep · 28 km away
  6. 2.883 km E of Nikolski, Alaska · 2197 days ago · 58 km deep · 49 km away
  7. 2.236 km ENE of Nikolski, Alaska · 2195 days ago · 107 km deep · 82 km away
  8. 1.538 km SE of Unalaska, Alaska · 2191 days ago · 32 km deep · 76 km away
  9. 1.887 km SSW of Unalaska, Alaska · 2186 days ago · 17 km deep · 42 km away
  10. 1.896 km SSW of Unalaska, Alaska · 2186 days ago · 39 km deep · 38 km away
  11. 3.467 km ESE of Nikolski, Alaska · 2183 days ago · 35 km deep · 93 km away
  12. 3.144 km ESE of Nikolski, Alaska · 2182 days ago · 35 km deep · 96 km away
  13. 2.956 km ESE of Nikolski, Alaska · 2182 days ago · 34 km deep · 100 km away
  14. 2.238 km E of Nikolski, Alaska · 2180 days ago · 54 km deep · 93 km away
  15. 2.951 km ESE of Nikolski, Alaska · 2180 days ago · 29 km deep · 99 km away
  16. 1.761 km S of Unalaska, Alaska · 2179 days ago · 43 km deep · 56 km away
  17. 1.871 km S of Unalaska, Alaska · 2178 days ago · 28 km deep · 65 km away
  18. 1.540 km S of Unalaska, Alaska · 2178 days ago · 61 km deep · 45 km away
  19. 2.765 km SW of Unalaska, Alaska · 2178 days ago · 10 km deep · 10 km away
  20. 1.945 km SW of Unalaska, Alaska · 2177 days ago · 27 km deep · 27 km away
  21. 1.768 km SE of Unalaska, Alaska · 2177 days ago · 38 km deep · 95 km away
  22. 1.974 km SW of Unalaska, Alaska · 2177 days ago · 71 km deep · 9 km away
  23. 1.667 km SE of Unalaska, Alaska · 2177 days ago · 49 km deep · 93 km away
  24. 3.529 km WSW of Dutch Harbor, Alaska · 2175 days ago · 107 km deep · 45 km away
  25. 2.070 km SSW of Unalaska, Alaska · 2173 days ago · 67 km deep · 20 km away
  26. 1.747 km SSE of Unalaska, Alaska · 2173 days ago · 52 km deep · 77 km away
  27. 1.779 km S of Unalaska, Alaska · 2172 days ago · 25 km deep · 50 km away
  28. 3.2129 km S of Unalaska, Alaska · 2172 days ago · 30 km deep · 93 km away
  29. 3.054 km SE of Unalaska, Alaska · 2171 days ago · 56 km deep · 98 km away
  30. 2.175 km E of Nikolski, Alaska · 2169 days ago · 37 km deep · 57 km away
  31. 2.555 km SE of Unalaska, Alaska · 2166 days ago · 59 km deep · 84 km away
  32. 1.971 km E of Nikolski, Alaska · 2164 days ago · 33 km deep · 75 km away
  33. 1.968 km WSW of Unalaska, Alaska · 2162 days ago · 86 km deep · 19 km away
  34. 4.248 km ESE of Nikolski, Alaska · 2158 days ago · 42 km deep · 98 km away
  35. 3.243 km ESE of Nikolski, Alaska · 2158 days ago · 41 km deep · 96 km away
  36. 3.268 km SW of Unalaska, Alaska · 2157 days ago · 76 km deep · 7 km away
  37. 1.867 km SE of Unalaska, Alaska · 2156 days ago · 29 km deep · 95 km away
  38. 2.382 km S of Unalaska, Alaska · 2154 days ago · 25 km deep · 51 km away
  39. 2.175 km SSE of Unalaska, Alaska · 2154 days ago · 21 km deep · 95 km away
  40. 1.531 km SE of Unalaska, Alaska · 2153 days ago · 70 km deep · 79 km away
  41. 1.957 km E of Nikolski, Alaska · 2152 days ago · 23 km deep · 83 km away
  42. 3.783 km SSW of Unalaska, Alaska · 2151 days ago · 35 km deep · 50 km away
  43. 1.881 km S of Unalaska, Alaska · 2151 days ago · 26 km deep · 53 km away
  44. 3.155 km ESE of Nikolski, Alaska · 2151 days ago · 42 km deep · 96 km away
  45. 1.831 km SW of Akutan, Alaska · 2151 days ago · 74 km deep · 96 km away
  46. 1.646 km ESE of Unalaska, Alaska · 2150 days ago · 24 km deep · 98 km away
  47. 2.924 km E of Unalaska, Alaska · 2149 days ago · 77 km deep · 89 km away
  48. 1.827 km SSW of Unalaska, Alaska · 2147 days ago · 75 km deep · 48 km away
  49. 3.279 km SSW of Unalaska, Alaska · 2146 days ago · 35 km deep · 47 km away
  50. 1.880 km S of Unalaska, Alaska · 2146 days ago · 26 km deep · 50 km away
  51. 2.290 km S of Unalaska, Alaska · 2145 days ago · 26 km deep · 60 km away
  52. 1.944 km SW of Unalaska, Alaska · 2145 days ago · 15 km deep · 24 km away
  53. 3.639 km E of Nikolski, Alaska · 2144 days ago · 56 km deep · 86 km away
  54. 2.980 km E of Nikolski, Alaska · 2144 days ago · 68 km deep · 50 km away
  55. 2.665 km S of Unalaska, Alaska · 2143 days ago · 52 km deep · 61 km away
  56. 1.864 km S of Unalaska, Alaska · 2143 days ago · 21 km deep · 64 km away
  57. 4.183 km SW of Unalaska, Alaska · 2143 days ago · 36 km deep · 18 km away
  58. 4.3117 km ESE of Nikolski, Alaska · 2143 days ago · 43 km deep · 97 km away
  59. 1.980 km WSW of Unalaska, Alaska · 2141 days ago · 99 km deep · 18 km away
  60. 3.146 km ENE of Nikolski, Alaska · 2141 days ago · 78 km deep · 73 km away

Before

  1. 1.891 km E of Nikolski, Alaska · 2201 days ago · 48 km deep · 55 km away
  2. 1.820 km NE of Dutch Harbor, Alaska · 2202 days ago · 99 km deep · 90 km away
  3. 3.377 km SSE of Unalaska, Alaska · 2205 days ago · 58 km deep · 87 km away
  4. 1.871 km ESE of Nikolski, Alaska · 2206 days ago · 11 km deep · 95 km away
  5. 2.927 km ENE of Dutch Harbor, Alaska · 2206 days ago · 105 km deep · 95 km away
  6. 3.241 km ESE of Unalaska, Alaska · 2207 days ago · 36 km deep · 96 km away
  7. 1.615 km WSW of Dutch Harbor, Alaska · 2207 days ago · 7 km deep · 56 km away
  8. 2.378 km NE of Nikolski, Alaska · 2207 days ago · 144 km deep · 54 km away
  9. 1.915 km WSW of Dutch Harbor, Alaska · 2207 days ago · 3 km deep · 55 km away
  10. 2.929 km SW of Unalaska, Alaska · 2209 days ago · 77 km deep · 39 km away
  11. 3.281 km SSW of Unalaska, Alaska · 2209 days ago · 35 km deep · 50 km away
  12. 2.183 km S of Unalaska, Alaska · 2209 days ago · 26 km deep · 53 km away
  13. 1.593 km ESE of Nikolski, Alaska · 2212 days ago · 26 km deep · 89 km away
  14. 1.881 km WSW of Unalaska, Alaska · 2212 days ago · 81 km deep · 17 km away
  15. 1.614 km SSW of Unalaska, Alaska · 2212 days ago · 82 km deep · 55 km away
  16. 2.170 km WSW of Unalaska, Alaska · 2213 days ago · 6 km deep · 10 km away
  17. 3.1104 km S of Unalaska, Alaska · 2215 days ago · 40 km deep · 73 km away
  18. 1.546 km ESE of Unalaska, Alaska · 2216 days ago · 34 km deep · 96 km away
  19. 1.938 km SW of Unalaska, Alaska · 2219 days ago · 76 km deep · 31 km away
  20. 2.2103 km SSW of Unalaska, Alaska · 2222 days ago · 78 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020c4ocg4d. Read Tue, Sep 29, 2026, 7:19 PM UTC.