Alaska earthquakes

M1.8 earthquake 9 km SSE of Unalaska, Alaska

A magnitude 1.8 earthquake struck 9 km SSE of Unalaska, Alaska on Sun, Aug 9, 2020, 7:30 AM AKDT (15:30 UTC), 83 km (52 mi) below the surface.

A larger quake followed: M3.7 31 km E 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-08-09 15:30:35 UTC
Depth
83.0 km (51.6 mi), intermediate-depth
Epicenter
53.792° N, 166.486° 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
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 69 in the 60 days after this one and 35 in the 30 days before it.

After

  1. 2.185 km SSW of Unalaska, Alaska · 2244 days ago · 26 km deep · 77 km away
  2. 1.774 km SSE of Akutan, Alaska · 2243 days ago · 51 km deep · 80 km away
  3. 1.657 km SSE of Unalaska, Alaska · 2242 days ago · 42 km deep · 48 km away
  4. 1.677 km SW of Unalaska, Alaska · 2242 days ago · 13 km deep · 74 km away
  5. 1.952 km SSE of Unalaska, Alaska · 2241 days ago · 50 km deep · 43 km away
  6. 1.812 km WNW of Akutan, Alaska · 2239 days ago · 4 km deep · 53 km away
  7. 3.384 km SSW of Unalaska, Alaska · 2239 days ago · 14 km deep · 78 km away
  8. 1.614 km WSW of Dutch Harbor, Alaska · 2239 days ago · 7 km deep · 18 km away
  9. 1.747 km S of Akutan, Alaska · 2239 days ago · 57 km deep · 49 km away
  10. 1.514 km WSW of Dutch Harbor, Alaska · 2238 days ago · 6 km deep · 19 km away
  11. 2.626 km S of Unalaska, Alaska · 2237 days ago · 87 km deep · 18 km away
  12. 1.975 km SW of Unalaska, Alaska · 2237 days ago · 9 km deep · 71 km away
  13. 1.815 km W of Akutan, Alaska · 2237 days ago · 19 km deep · 47 km away
  14. 2.216 km W of Akutan, Alaska · 2237 days ago · 21 km deep · 48 km away
  15. 3.679 km SE of Akutan, Alaska · 2236 days ago · 35 km deep · 100 km away
  16. 2.276 km SSW of Unalaska, Alaska · 2236 days ago · 28 km deep · 69 km away
  17. 3.668 km SE of Unalaska, Alaska · 2236 days ago · 38 km deep · 60 km away
  18. 1.962 km SW of Unalaska, Alaska · 2235 days ago · 6 km deep · 59 km away
  19. 2.061 km SW of Unalaska, Alaska · 2235 days ago · 14 km deep · 60 km away
  20. 1.5103 km SSW of Unalaska, Alaska · 2235 days ago · 48 km deep · 97 km away
  21. 1.677 km S of Akutan, Alaska · 2235 days ago · 25 km deep · 72 km away
  22. 1.681 km SE of Unalaska, Alaska · 2234 days ago · 25 km deep · 73 km away
  23. 3.690 km SSE of Unalaska, Alaska · 2234 days ago · 35 km deep · 82 km away
  24. 1.739 km ESE of Akutan, Alaska · 2234 days ago · 117 km deep · 87 km away
  25. 1.714 km WSW of Dutch Harbor, Alaska · 2234 days ago · 6 km deep · 19 km away
  26. 1.566 km SW of Unalaska, Alaska · 2233 days ago · 97 km deep · 64 km away
  27. 1.514 km WSW of Dutch Harbor, Alaska · 2231 days ago · 10 km deep · 19 km away
  28. 1.676 km SSW of Unalaska, Alaska · 2230 days ago · 30 km deep · 68 km away
  29. 1.515 km WSW of Dutch Harbor, Alaska · 2228 days ago · 6 km deep · 20 km away
  30. 1.814 km WSW of Dutch Harbor, Alaska · 2227 days ago · 8 km deep · 19 km away
  31. 1.542 km SW of Unalaska, Alaska · 2226 days ago · 17 km deep · 41 km away
  32. 1.861 km WSW of Unalaska, Alaska · 2225 days ago · 10 km deep · 60 km away
  33. 1.715 km W of Dutch Harbor, Alaska · 2225 days ago · 7 km deep · 20 km away
  34. 2.2103 km SSW of Unalaska, Alaska · 2224 days ago · 78 km deep · 96 km away
  35. 3.731 km E of Akutan, Alaska · 2222 days ago · 87 km deep · 89 km away
  36. 1.938 km SW of Unalaska, Alaska · 2221 days ago · 76 km deep · 34 km away
  37. 1.684 km SSE of Akutan, Alaska · 2220 days ago · 14 km deep · 91 km away
  38. 2.083 km SSE of Akutan, Alaska · 2217 days ago · 38 km deep · 91 km away
  39. 1.546 km ESE of Unalaska, Alaska · 2217 days ago · 34 km deep · 40 km away
  40. 3.1104 km S of Unalaska, Alaska · 2217 days ago · 40 km deep · 96 km away
  41. 2.170 km WSW of Unalaska, Alaska · 2215 days ago · 6 km deep · 69 km away
  42. 1.614 km SSW of Unalaska, Alaska · 2214 days ago · 82 km deep · 11 km away
  43. 1.881 km WSW of Unalaska, Alaska · 2213 days ago · 81 km deep · 80 km away
  44. 1.8Fox Islands, Aleutian Islands, Alaska · 2212 days ago · 1 km deep · 93 km away
  45. 2.183 km S of Unalaska, Alaska · 2211 days ago · 26 km deep · 75 km away
  46. 3.281 km SSW of Unalaska, Alaska · 2211 days ago · 35 km deep · 73 km away
  47. 2.929 km SW of Unalaska, Alaska · 2210 days ago · 77 km deep · 26 km away
  48. 1.946 km SE of Akutan, Alaska · 2210 days ago · 38 km deep · 75 km away
  49. 1.658 km SE of Akutan, Alaska · 2209 days ago · 53 km deep · 87 km away
  50. 1.915 km WSW of Dutch Harbor, Alaska · 2209 days ago · 3 km deep · 20 km away
  51. 1.615 km WSW of Dutch Harbor, Alaska · 2208 days ago · 7 km deep · 20 km away
  52. 2.427 km NNE of Akutan, Alaska · 2208 days ago · 159 km deep · 86 km away
  53. 3.241 km ESE of Unalaska, Alaska · 2208 days ago · 36 km deep · 37 km away
  54. 1.986 km SE of Unalaska, Alaska · 2207 days ago · 49 km deep · 78 km away
  55. 2.927 km ENE of Dutch Harbor, Alaska · 2207 days ago · 105 km deep · 31 km away
  56. 3.377 km SSE of Unalaska, Alaska · 2206 days ago · 58 km deep · 68 km away
  57. 1.816 km SSW of Akutan, Alaska · 2206 days ago · 77 km deep · 48 km away
  58. 1.820 km NE of Dutch Harbor, Alaska · 2203 days ago · 99 km deep · 27 km away
  59. 1.680 km SSE of Akutan, Alaska · 2203 days ago · 38 km deep · 84 km away
  60. 1.568 km SW of Unalaska, Alaska · 2202 days ago · 13 km deep · 65 km away

The first 60 of 69.

Before

  1. 1.859 km SW of Unalaska, Alaska · 2245 days ago · 73 km deep · 54 km away
  2. 1.740 km ENE of Akutan, Alaska · 2245 days ago · 79 km deep · 99 km away
  3. 1.9101 km SSE of Akutan, Alaska · 2245 days ago · 41 km deep · 97 km away
  4. 1.671 km SSE of Akutan, Alaska · 2245 days ago · 53 km deep · 79 km away
  5. 1.617 km WSW of Dutch Harbor, Alaska · 2249 days ago · 5 km deep · 21 km away
  6. 1.518 km W of Dutch Harbor, Alaska · 2249 days ago · 2 km deep · 24 km away
  7. 2.518 km W of Dutch Harbor, Alaska · 2249 days ago · 6 km deep · 23 km away
  8. 1.717 km WSW of Dutch Harbor, Alaska · 2249 days ago · 7 km deep · 21 km away
  9. 1.696 km SSW of Unalaska, Alaska · 2250 days ago · 40 km deep · 90 km away
  10. 1.8100 km SE of Unalaska, Alaska · 2251 days ago · 25 km deep · 91 km away
  11. 1.513 km W of Dutch Harbor, Alaska · 2252 days ago · 7 km deep · 19 km away
  12. 1.734 km SSW of Unalaska, Alaska · 2253 days ago · 75 km deep · 28 km away
  13. 2.690 km SSE of Akutan, Alaska · 2253 days ago · 35 km deep · 98 km away
  14. 1.872 km WSW of Unalaska, Alaska · 2254 days ago · 7 km deep · 71 km away
  15. 1.729 km ESE of Akutan, Alaska · 2254 days ago · 73 km deep · 78 km away
  16. 2.060 km SE of Unalaska, Alaska · 2254 days ago · 32 km deep · 53 km away
  17. 1.755 km SSE of Unalaska, Alaska · 2255 days ago · 35 km deep · 46 km away
  18. 2.065 km SE of Akutan, Alaska · 2255 days ago · 48 km deep · 94 km away
  19. 1.615 km WSW of Unalaska, Alaska · 2255 days ago · 5 km deep · 19 km away
  20. 1.616 km WSW of Unalaska, Alaska · 2255 days ago · 7 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020a7ef1xo. Read Thu, Oct 1, 2026, 11:41 AM UTC.