Alaska earthquakes

M2.2 earthquake 76 km SSW of Unalaska, Alaska

A magnitude 2.2 earthquake struck 76 km SSW of Unalaska, Alaska on Mon, Aug 17, 2020, 3:10 PM AKDT (23:10 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M3.6 68 km SE of Unalaska, 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
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-08-17 23:10:03 UTC
Depth
27.6 km (17.1 mi), shallow
Epicenter
53.199° N, 166.777° 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
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 67 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 3.668 km SE of Unalaska, Alaska · 2238 days ago · 38 km deep · 73 km away
  2. 1.962 km SW of Unalaska, Alaska · 2238 days ago · 6 km deep · 49 km away
  3. 2.061 km SW of Unalaska, Alaska · 2237 days ago · 14 km deep · 52 km away
  4. 1.5103 km SSW of Unalaska, Alaska · 2237 days ago · 48 km deep · 39 km away
  5. 1.677 km S of Akutan, Alaska · 2237 days ago · 25 km deep · 85 km away
  6. 1.681 km SE of Unalaska, Alaska · 2237 days ago · 25 km deep · 80 km away
  7. 3.690 km SSE of Unalaska, Alaska · 2236 days ago · 35 km deep · 66 km away
  8. 1.714 km WSW of Dutch Harbor, Alaska · 2236 days ago · 6 km deep · 73 km away
  9. 1.566 km SW of Unalaska, Alaska · 2235 days ago · 97 km deep · 50 km away
  10. 2.588 km E of Nikolski, Alaska · 2234 days ago · 28 km deep · 54 km away
  11. 1.514 km WSW of Dutch Harbor, Alaska · 2233 days ago · 10 km deep · 72 km away
  12. 1.676 km SSW of Unalaska, Alaska · 2233 days ago · 30 km deep · 1 km away
  13. 1.949 km ESE of Nikolski, Alaska · 2230 days ago · 49 km deep · 100 km away
  14. 2.682 km E of Nikolski, Alaska · 2230 days ago · 32 km deep · 64 km away
  15. 1.515 km WSW of Dutch Harbor, Alaska · 2230 days ago · 6 km deep · 73 km away
  16. 1.877 km E of Nikolski, Alaska · 2230 days ago · 37 km deep · 67 km away
  17. 1.814 km WSW of Dutch Harbor, Alaska · 2230 days ago · 8 km deep · 73 km away
  18. 1.542 km SW of Unalaska, Alaska · 2228 days ago · 17 km deep · 55 km away
  19. 1.861 km WSW of Unalaska, Alaska · 2227 days ago · 10 km deep · 59 km away
  20. 1.715 km W of Dutch Harbor, Alaska · 2227 days ago · 7 km deep · 74 km away
  21. 2.2103 km SSW of Unalaska, Alaska · 2226 days ago · 78 km deep · 29 km away
  22. 1.938 km SW of Unalaska, Alaska · 2223 days ago · 76 km deep · 47 km away
  23. 1.546 km ESE of Unalaska, Alaska · 2219 days ago · 34 km deep · 79 km away
  24. 3.1104 km S of Unalaska, Alaska · 2219 days ago · 40 km deep · 29 km away
  25. 2.170 km WSW of Unalaska, Alaska · 2217 days ago · 6 km deep · 57 km away
  26. 1.614 km SSW of Unalaska, Alaska · 2216 days ago · 82 km deep · 63 km away
  27. 1.881 km WSW of Unalaska, Alaska · 2215 days ago · 81 km deep · 61 km away
  28. 1.593 km ESE of Nikolski, Alaska · 2215 days ago · 26 km deep · 77 km away
  29. 1.8Fox Islands, Aleutian Islands, Alaska · 2214 days ago · 1 km deep · 69 km away
  30. 2.183 km S of Unalaska, Alaska · 2213 days ago · 26 km deep · 7 km away
  31. 3.281 km SSW of Unalaska, Alaska · 2213 days ago · 35 km deep · 5 km away
  32. 2.929 km SW of Unalaska, Alaska · 2212 days ago · 77 km deep · 52 km away
  33. 1.915 km WSW of Dutch Harbor, Alaska · 2211 days ago · 3 km deep · 72 km away
  34. 2.378 km NE of Nikolski, Alaska · 2211 days ago · 144 km deep · 96 km away
  35. 1.615 km WSW of Dutch Harbor, Alaska · 2210 days ago · 7 km deep · 73 km away
  36. 3.241 km ESE of Unalaska, Alaska · 2210 days ago · 36 km deep · 82 km away
  37. 1.986 km SE of Unalaska, Alaska · 2210 days ago · 49 km deep · 75 km away
  38. 2.927 km ENE of Dutch Harbor, Alaska · 2209 days ago · 105 km deep · 97 km away
  39. 1.871 km ESE of Nikolski, Alaska · 2209 days ago · 11 km deep · 94 km away
  40. 3.377 km SSE of Unalaska, Alaska · 2208 days ago · 58 km deep · 48 km away
  41. 1.820 km NE of Dutch Harbor, Alaska · 2205 days ago · 99 km deep · 96 km away
  42. 1.680 km SSE of Akutan, Alaska · 2205 days ago · 38 km deep · 100 km away
  43. 1.891 km E of Nikolski, Alaska · 2205 days ago · 48 km deep · 54 km away
  44. 1.568 km SW of Unalaska, Alaska · 2204 days ago · 13 km deep · 47 km away
  45. 1.991 km E of Nikolski, Alaska · 2203 days ago · 26 km deep · 62 km away
  46. 2.558 km S of Unalaska, Alaska · 2203 days ago · 72 km deep · 19 km away
  47. 3.2100 km E of Nikolski, Alaska · 2203 days ago · 35 km deep · 61 km away
  48. 3.394 km E of Nikolski, Alaska · 2203 days ago · 35 km deep · 62 km away
  49. 2.283 km WSW of Unalaska, Alaska · 2201 days ago · 118 km deep · 74 km away
  50. 2.883 km E of Nikolski, Alaska · 2200 days ago · 58 km deep · 59 km away
  51. 1.871 km SE of Unalaska, Alaska · 2200 days ago · 24 km deep · 78 km away
  52. 1.538 km SE of Unalaska, Alaska · 2195 days ago · 32 km deep · 59 km away
  53. 3.2Fox Islands, Aleutian Islands, Alaska · 2191 days ago · 35 km deep · 79 km away
  54. 1.887 km SSW of Unalaska, Alaska · 2190 days ago · 17 km deep · 17 km away
  55. 1.896 km SSW of Unalaska, Alaska · 2190 days ago · 39 km deep · 35 km away
  56. 1.949 km SSE of Akutan, Alaska · 2189 days ago · 58 km deep · 96 km away
  57. 1.644 km S of Akutan, Alaska · 2187 days ago · 24 km deep · 87 km away
  58. 3.467 km ESE of Nikolski, Alaska · 2187 days ago · 35 km deep · 94 km away
  59. 1.761 km S of Unalaska, Alaska · 2183 days ago · 43 km deep · 22 km away
  60. 1.871 km S of Unalaska, Alaska · 2182 days ago · 28 km deep · 24 km away

The first 60 of 67.

Before

  1. 1.975 km SW of Unalaska, Alaska · 2239 days ago · 9 km deep · 41 km away
  2. 2.626 km S of Unalaska, Alaska · 2240 days ago · 87 km deep · 52 km away
  3. 1.514 km WSW of Dutch Harbor, Alaska · 2240 days ago · 6 km deep · 73 km away
  4. 1.747 km S of Akutan, Alaska · 2241 days ago · 57 km deep · 88 km away
  5. 1.614 km WSW of Dutch Harbor, Alaska · 2241 days ago · 7 km deep · 72 km away
  6. 3.384 km SSW of Unalaska, Alaska · 2241 days ago · 14 km deep · 26 km away
  7. 1.952 km SSE of Unalaska, Alaska · 2243 days ago · 50 km deep · 45 km away
  8. 2.999 km E of Nikolski, Alaska · 2244 days ago · 35 km deep · 46 km away
  9. 2.2139 km ESE of Nikolski, Alaska · 2244 days ago · 74 km deep · 67 km away
  10. 1.677 km SW of Unalaska, Alaska · 2244 days ago · 13 km deep · 47 km away
  11. 1.657 km SSE of Unalaska, Alaska · 2245 days ago · 42 km deep · 54 km away
  12. 1.774 km SSE of Akutan, Alaska · 2245 days ago · 51 km deep · 99 km away
  13. 2.185 km SSW of Unalaska, Alaska · 2246 days ago · 26 km deep · 9 km away
  14. 1.89 km SSE of Unalaska, Alaska · 2246 days ago · 83 km deep · 69 km away
  15. 1.859 km SW of Unalaska, Alaska · 2247 days ago · 73 km deep · 34 km away
  16. 1.9101 km SSE of Akutan, Alaska · 2248 days ago · 41 km deep · 97 km away
  17. 1.617 km WSW of Dutch Harbor, Alaska · 2251 days ago · 5 km deep · 72 km away
  18. 1.518 km W of Dutch Harbor, Alaska · 2251 days ago · 2 km deep · 75 km away
  19. 2.518 km W of Dutch Harbor, Alaska · 2251 days ago · 6 km deep · 74 km away
  20. 1.717 km WSW of Dutch Harbor, Alaska · 2251 days ago · 7 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020akrcucw. Read Sat, Oct 3, 2026, 1:47 PM UTC.