Alaska earthquakes

M1.6 earthquake 57 km SSE of Unalaska, Alaska

A magnitude 1.6 earthquake struck 57 km SSE of Unalaska, Alaska on Mon, Aug 10, 2020, 5:31 PM AKDT (01:31 UTC), 42 km (26 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
1.6 (ml), micro
Local time
UTC
2020-08-11 01:31:49 UTC
Depth
41.7 km (25.9 mi), shallow
Epicenter
53.444° N, 166.067° 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
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 76 in the 60 days after this one and 42 in the 30 days before it.

After

  1. 1.677 km SW of Unalaska, Alaska · 2242 days ago · 13 km deep · 88 km away
  2. 2.999 km E of Nikolski, Alaska · 2241 days ago · 35 km deep · 100 km away
  3. 1.952 km SSE of Unalaska, Alaska · 2240 days ago · 50 km deep · 11 km away
  4. 1.812 km WNW of Akutan, Alaska · 2238 days ago · 4 km deep · 80 km away
  5. 3.384 km SSW of Unalaska, Alaska · 2238 days ago · 14 km deep · 77 km away
  6. 1.614 km WSW of Dutch Harbor, Alaska · 2238 days ago · 7 km deep · 63 km away
  7. 1.747 km S of Akutan, Alaska · 2238 days ago · 57 km deep · 36 km away
  8. 1.514 km WSW of Dutch Harbor, Alaska · 2237 days ago · 6 km deep · 65 km away
  9. 2.626 km S of Unalaska, Alaska · 2237 days ago · 87 km deep · 36 km away
  10. 1.975 km SW of Unalaska, Alaska · 2236 days ago · 9 km deep · 83 km away
  11. 1.815 km W of Akutan, Alaska · 2236 days ago · 19 km deep · 74 km away
  12. 2.216 km W of Akutan, Alaska · 2236 days ago · 21 km deep · 76 km away
  13. 3.679 km SE of Akutan, Alaska · 2235 days ago · 35 km deep · 71 km away
  14. 2.276 km SSW of Unalaska, Alaska · 2235 days ago · 28 km deep · 54 km away
  15. 3.668 km SE of Unalaska, Alaska · 2235 days ago · 38 km deep · 20 km away
  16. 1.962 km SW of Unalaska, Alaska · 2235 days ago · 6 km deep · 80 km away
  17. 2.061 km SW of Unalaska, Alaska · 2235 days ago · 14 km deep · 82 km away
  18. 1.5103 km SSW of Unalaska, Alaska · 2234 days ago · 48 km deep · 93 km away
  19. 1.677 km S of Akutan, Alaska · 2234 days ago · 25 km deep · 33 km away
  20. 1.681 km SE of Unalaska, Alaska · 2234 days ago · 25 km deep · 30 km away
  21. 3.690 km SSE of Unalaska, Alaska · 2234 days ago · 35 km deep · 34 km away
  22. 1.739 km ESE of Akutan, Alaska · 2233 days ago · 117 km deep · 85 km away
  23. 1.714 km WSW of Dutch Harbor, Alaska · 2233 days ago · 6 km deep · 65 km away
  24. 3.599 km SE of Akutan, Alaska · 2233 days ago · 35 km deep · 87 km away
  25. 1.886 km SE of Akutan, Alaska · 2233 days ago · 32 km deep · 76 km away
  26. 1.566 km SW of Unalaska, Alaska · 2232 days ago · 97 km deep · 83 km away
  27. 1.779 km SE of Akutan, Alaska · 2232 days ago · 42 km deep · 72 km away
  28. 1.514 km WSW of Dutch Harbor, Alaska · 2230 days ago · 10 km deep · 64 km away
  29. 1.676 km SSW of Unalaska, Alaska · 2230 days ago · 30 km deep · 53 km away
  30. 2.7107 km SSE of Akutan, Alaska · 2230 days ago · 35 km deep · 75 km away
  31. 1.515 km WSW of Dutch Harbor, Alaska · 2227 days ago · 6 km deep · 65 km away
  32. 1.814 km WSW of Dutch Harbor, Alaska · 2227 days ago · 8 km deep · 65 km away
  33. 1.542 km SW of Unalaska, Alaska · 2225 days ago · 17 km deep · 70 km away
  34. 1.861 km WSW of Unalaska, Alaska · 2224 days ago · 10 km deep · 87 km away
  35. 1.715 km W of Dutch Harbor, Alaska · 2224 days ago · 7 km deep · 66 km away
  36. 2.2103 km SSW of Unalaska, Alaska · 2223 days ago · 78 km deep · 83 km away
  37. 3.731 km E of Akutan, Alaska · 2222 days ago · 87 km deep · 96 km away
  38. 1.938 km SW of Unalaska, Alaska · 2220 days ago · 76 km deep · 58 km away
  39. 2.786 km SE of Akutan, Alaska · 2220 days ago · 35 km deep · 82 km away
  40. 1.684 km SSE of Akutan, Alaska · 2219 days ago · 14 km deep · 55 km away
  41. 1.9123 km SE of Akutan, Alaska · 2219 days ago · 59 km deep · 99 km away
  42. 2.690 km SE of Akutan, Alaska · 2218 days ago · 27 km deep · 83 km away
  43. 2.083 km SSE of Akutan, Alaska · 2217 days ago · 38 km deep · 56 km away
  44. 1.546 km ESE of Unalaska, Alaska · 2216 days ago · 34 km deep · 29 km away
  45. 3.1104 km S of Unalaska, Alaska · 2216 days ago · 40 km deep · 69 km away
  46. 2.170 km WSW of Unalaska, Alaska · 2214 days ago · 6 km deep · 91 km away
  47. 2.9104 km SSE of Akutan, Alaska · 2214 days ago · 20 km deep · 72 km away
  48. 1.614 km SSW of Unalaska, Alaska · 2213 days ago · 82 km deep · 52 km away
  49. 1.881 km WSW of Unalaska, Alaska · 2213 days ago · 81 km deep · 100 km away
  50. 1.8Fox Islands, Aleutian Islands, Alaska · 2211 days ago · 1 km deep · 46 km away
  51. 2.183 km S of Unalaska, Alaska · 2210 days ago · 26 km deep · 58 km away
  52. 3.281 km SSW of Unalaska, Alaska · 2210 days ago · 35 km deep · 57 km away
  53. 2.929 km SW of Unalaska, Alaska · 2210 days ago · 77 km deep · 55 km away
  54. 1.946 km SE of Akutan, Alaska · 2209 days ago · 38 km deep · 63 km away
  55. 1.658 km SE of Akutan, Alaska · 2209 days ago · 53 km deep · 69 km away
  56. 1.915 km WSW of Dutch Harbor, Alaska · 2208 days ago · 3 km deep · 65 km away
  57. 1.615 km WSW of Dutch Harbor, Alaska · 2208 days ago · 7 km deep · 65 km away
  58. 3.241 km ESE of Unalaska, Alaska · 2207 days ago · 36 km deep · 34 km away
  59. 1.986 km SE of Unalaska, Alaska · 2207 days ago · 49 km deep · 31 km away
  60. 2.927 km ENE of Dutch Harbor, Alaska · 2206 days ago · 105 km deep · 61 km away

The first 60 of 76.

Before

  1. 1.774 km SSE of Akutan, Alaska · 2242 days ago · 51 km deep · 46 km away
  2. 1.878 km SE of Akutan, Alaska · 2243 days ago · 60 km deep · 84 km away
  3. 2.185 km SSW of Unalaska, Alaska · 2243 days ago · 26 km deep · 62 km away
  4. 1.89 km SSE of Unalaska, Alaska · 2243 days ago · 83 km deep · 48 km away
  5. 1.859 km SW of Unalaska, Alaska · 2244 days ago · 73 km deep · 66 km away
  6. 1.9101 km SSE of Akutan, Alaska · 2245 days ago · 41 km deep · 54 km away
  7. 1.671 km SSE of Akutan, Alaska · 2245 days ago · 53 km deep · 48 km away
  8. 1.617 km WSW of Dutch Harbor, Alaska · 2249 days ago · 5 km deep · 66 km away
  9. 1.518 km W of Dutch Harbor, Alaska · 2249 days ago · 2 km deep · 69 km away
  10. 2.518 km W of Dutch Harbor, Alaska · 2249 days ago · 6 km deep · 68 km away
  11. 1.717 km WSW of Dutch Harbor, Alaska · 2249 days ago · 7 km deep · 65 km away
  12. 1.696 km SSW of Unalaska, Alaska · 2249 days ago · 40 km deep · 86 km away
  13. 1.6100 km SE of Akutan, Alaska · 2250 days ago · 14 km deep · 85 km away
  14. 2.090 km SE of Akutan, Alaska · 2250 days ago · 41 km deep · 78 km away
  15. 1.8100 km SE of Unalaska, Alaska · 2251 days ago · 25 km deep · 44 km away
  16. 1.513 km W of Dutch Harbor, Alaska · 2251 days ago · 7 km deep · 65 km away
  17. 1.734 km SSW of Unalaska, Alaska · 2252 days ago · 75 km deep · 47 km away
  18. 2.690 km SSE of Akutan, Alaska · 2252 days ago · 35 km deep · 61 km away
  19. 1.872 km WSW of Unalaska, Alaska · 2253 days ago · 7 km deep · 96 km away
  20. 1.729 km ESE of Akutan, Alaska · 2253 days ago · 73 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020aah5x80. Read Wed, Sep 30, 2026, 4:46 PM UTC.