Alaska earthquakes

M1.6 earthquake 76 km SSW of Unalaska, Alaska

A magnitude 1.6 earthquake struck 76 km SSW of Unalaska, Alaska on Sat, Aug 22, 2020, 4:38 PM AKDT (00:38 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M3.5 29 km WSW of Dutch Harbor, 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
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-08-23 00:38:45 UTC
Depth
30.4 km (18.9 mi), shallow
Epicenter
53.201° N, 166.762° 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
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 61 in the 60 days after this one and 46 in the 30 days before it.

After

  1. 2.682 km E of Nikolski, Alaska · 2228 days ago · 32 km deep · 65 km away
  2. 1.515 km WSW of Dutch Harbor, Alaska · 2228 days ago · 6 km deep · 73 km away
  3. 1.877 km E of Nikolski, Alaska · 2228 days ago · 37 km deep · 68 km away
  4. 1.814 km WSW of Dutch Harbor, Alaska · 2228 days ago · 8 km deep · 73 km away
  5. 1.542 km SW of Unalaska, Alaska · 2226 days ago · 17 km deep · 55 km away
  6. 1.861 km WSW of Unalaska, Alaska · 2225 days ago · 10 km deep · 59 km away
  7. 1.715 km W of Dutch Harbor, Alaska · 2225 days ago · 7 km deep · 74 km away
  8. 2.2103 km SSW of Unalaska, Alaska · 2224 days ago · 78 km deep · 30 km away
  9. 1.938 km SW of Unalaska, Alaska · 2221 days ago · 76 km deep · 47 km away
  10. 1.546 km ESE of Unalaska, Alaska · 2217 days ago · 34 km deep · 78 km away
  11. 3.1104 km S of Unalaska, Alaska · 2217 days ago · 40 km deep · 29 km away
  12. 2.170 km WSW of Unalaska, Alaska · 2215 days ago · 6 km deep · 58 km away
  13. 1.614 km SSW of Unalaska, Alaska · 2214 days ago · 82 km deep · 63 km away
  14. 1.881 km WSW of Unalaska, Alaska · 2213 days ago · 81 km deep · 62 km away
  15. 1.593 km ESE of Nikolski, Alaska · 2213 days ago · 26 km deep · 78 km away
  16. 1.8Fox Islands, Aleutian Islands, Alaska · 2212 days ago · 1 km deep · 68 km away
  17. 2.183 km S of Unalaska, Alaska · 2211 days ago · 26 km deep · 7 km away
  18. 3.281 km SSW of Unalaska, Alaska · 2211 days ago · 35 km deep · 5 km away
  19. 2.929 km SW of Unalaska, Alaska · 2211 days ago · 77 km deep · 52 km away
  20. 1.915 km WSW of Dutch Harbor, Alaska · 2209 days ago · 3 km deep · 72 km away
  21. 2.378 km NE of Nikolski, Alaska · 2209 days ago · 144 km deep · 97 km away
  22. 1.615 km WSW of Dutch Harbor, Alaska · 2208 days ago · 7 km deep · 73 km away
  23. 3.241 km ESE of Unalaska, Alaska · 2208 days ago · 36 km deep · 81 km away
  24. 1.986 km SE of Unalaska, Alaska · 2208 days ago · 49 km deep · 74 km away
  25. 2.927 km ENE of Dutch Harbor, Alaska · 2207 days ago · 105 km deep · 96 km away
  26. 1.871 km ESE of Nikolski, Alaska · 2207 days ago · 11 km deep · 95 km away
  27. 3.377 km SSE of Unalaska, Alaska · 2206 days ago · 58 km deep · 47 km away
  28. 1.820 km NE of Dutch Harbor, Alaska · 2203 days ago · 99 km deep · 95 km away
  29. 1.680 km SSE of Akutan, Alaska · 2203 days ago · 38 km deep · 99 km away
  30. 1.891 km E of Nikolski, Alaska · 2203 days ago · 48 km deep · 55 km away
  31. 1.568 km SW of Unalaska, Alaska · 2202 days ago · 13 km deep · 48 km away
  32. 1.991 km E of Nikolski, Alaska · 2201 days ago · 26 km deep · 63 km away
  33. 2.558 km S of Unalaska, Alaska · 2201 days ago · 72 km deep · 18 km away
  34. 3.2100 km E of Nikolski, Alaska · 2201 days ago · 35 km deep · 62 km away
  35. 3.394 km E of Nikolski, Alaska · 2201 days ago · 35 km deep · 63 km away
  36. 2.283 km WSW of Unalaska, Alaska · 2199 days ago · 118 km deep · 75 km away
  37. 2.883 km E of Nikolski, Alaska · 2198 days ago · 58 km deep · 60 km away
  38. 1.871 km SE of Unalaska, Alaska · 2198 days ago · 24 km deep · 77 km away
  39. 1.538 km SE of Unalaska, Alaska · 2193 days ago · 32 km deep · 58 km away
  40. 3.2Fox Islands, Aleutian Islands, Alaska · 2189 days ago · 35 km deep · 78 km away
  41. 1.887 km SSW of Unalaska, Alaska · 2188 days ago · 17 km deep · 18 km away
  42. 1.896 km SSW of Unalaska, Alaska · 2188 days ago · 39 km deep · 36 km away
  43. 1.949 km SSE of Akutan, Alaska · 2187 days ago · 58 km deep · 96 km away
  44. 1.644 km S of Akutan, Alaska · 2185 days ago · 24 km deep · 86 km away
  45. 3.467 km ESE of Nikolski, Alaska · 2185 days ago · 35 km deep · 95 km away
  46. 1.761 km S of Unalaska, Alaska · 2181 days ago · 43 km deep · 21 km away
  47. 1.871 km S of Unalaska, Alaska · 2180 days ago · 28 km deep · 23 km away
  48. 1.540 km S of Unalaska, Alaska · 2180 days ago · 61 km deep · 36 km away
  49. 2.765 km SW of Unalaska, Alaska · 2179 days ago · 10 km deep · 38 km away
  50. 1.945 km SW of Unalaska, Alaska · 2179 days ago · 27 km deep · 38 km away
  51. 1.768 km SE of Unalaska, Alaska · 2178 days ago · 38 km deep · 62 km away
  52. 1.974 km SW of Unalaska, Alaska · 2178 days ago · 71 km deep · 56 km away
  53. 1.667 km SE of Unalaska, Alaska · 2178 days ago · 49 km deep · 60 km away
  54. 3.529 km WSW of Dutch Harbor, Alaska · 2177 days ago · 107 km deep · 71 km away
  55. 2.070 km SSW of Unalaska, Alaska · 2175 days ago · 67 km deep · 28 km away
  56. 1.747 km SSE of Unalaska, Alaska · 2175 days ago · 52 km deep · 53 km away
  57. 2.1144 km ESE of Nikolski, Alaska · 2174 days ago · 26 km deep · 81 km away
  58. 1.779 km S of Unalaska, Alaska · 2174 days ago · 25 km deep · 3 km away
  59. 3.2129 km S of Unalaska, Alaska · 2174 days ago · 30 km deep · 54 km away
  60. 3.054 km SE of Unalaska, Alaska · 2173 days ago · 56 km deep · 75 km away

The first 60 of 61.

Before

  1. 1.514 km WSW of Dutch Harbor, Alaska · 2231 days ago · 10 km deep · 72 km away
  2. 2.588 km E of Nikolski, Alaska · 2232 days ago · 28 km deep · 55 km away
  3. 1.566 km SW of Unalaska, Alaska · 2233 days ago · 97 km deep · 50 km away
  4. 1.714 km WSW of Dutch Harbor, Alaska · 2234 days ago · 6 km deep · 73 km away
  5. 3.690 km SSE of Unalaska, Alaska · 2235 days ago · 35 km deep · 65 km away
  6. 1.681 km SE of Unalaska, Alaska · 2235 days ago · 25 km deep · 79 km away
  7. 1.677 km S of Akutan, Alaska · 2235 days ago · 25 km deep · 84 km away
  8. 1.5103 km SSW of Unalaska, Alaska · 2235 days ago · 48 km deep · 39 km away
  9. 2.061 km SW of Unalaska, Alaska · 2235 days ago · 14 km deep · 52 km away
  10. 1.962 km SW of Unalaska, Alaska · 2236 days ago · 6 km deep · 49 km away
  11. 3.668 km SE of Unalaska, Alaska · 2236 days ago · 38 km deep · 72 km away
  12. 2.276 km SSW of Unalaska, Alaska · 2236 days ago · 28 km deep · 1 km away
  13. 1.975 km SW of Unalaska, Alaska · 2237 days ago · 9 km deep · 42 km away
  14. 2.626 km S of Unalaska, Alaska · 2238 days ago · 87 km deep · 51 km away
  15. 1.514 km WSW of Dutch Harbor, Alaska · 2238 days ago · 6 km deep · 73 km away
  16. 1.747 km S of Akutan, Alaska · 2239 days ago · 57 km deep · 87 km away
  17. 1.614 km WSW of Dutch Harbor, Alaska · 2239 days ago · 7 km deep · 72 km away
  18. 3.384 km SSW of Unalaska, Alaska · 2239 days ago · 14 km deep · 27 km away
  19. 1.952 km SSE of Unalaska, Alaska · 2241 days ago · 50 km deep · 44 km away
  20. 2.999 km E of Nikolski, Alaska · 2242 days ago · 35 km deep · 47 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020aub2640. Read Thu, Oct 1, 2026, 2:40 PM UTC.