Alaska earthquakes

M1.6 earthquake 102 km ESE of Adak, Alaska

A magnitude 1.6 earthquake struck 102 km ESE of Adak, Alaska on Wed, Aug 26, 2020, 2:29 PM HADT (23:29 UTC), 30 km (18 mi) below the surface.

A larger quake followed: M5.3 76 km SW of Atka, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-08-26 23:29:16 UTC
Depth
29.5 km (18.3 mi), shallow
Epicenter
51.511° N, 175.276° 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

Nearby

Within 100 km, magnitude 1.5 and up: 135 in the 60 days after this one and 79 in the 30 days before it.

After

  1. 1.5120 km SSW of Atka, Alaska · 2228 days ago · 9 km deep · 29 km away
  2. 1.540 km SSE of Atka, Alaska · 2228 days ago · 50 km deep · 92 km away
  3. 2.028 km NE of Adak, Alaska · 2227 days ago · 205 km deep · 95 km away
  4. 1.685 km WSW of Atka, Alaska · 2226 days ago · 59 km deep · 41 km away
  5. 2.618 km S of Adak, Alaska · 2226 days ago · 66 km deep · 93 km away
  6. 2.223 km W of Atka, Alaska · 2225 days ago · 162 km deep · 88 km away
  7. 2.7102 km ESE of Adak, Alaska · 2225 days ago · 35 km deep · 0 km away
  8. 1.596 km ESE of Adak, Alaska · 2225 days ago · 26 km deep · 6 km away
  9. 1.550 km ESE of Adak, Alaska · 2224 days ago · 50 km deep · 53 km away
  10. 1.794 km ESE of Adak, Alaska · 2224 days ago · 33 km deep · 14 km away
  11. 1.539 km SSE of Adak, Alaska · 2223 days ago · 36 km deep · 81 km away
  12. 2.793 km S of Adak, Alaska · 2222 days ago · 22 km deep · 92 km away
  13. 2.568 km SSE of Adak, Alaska · 2222 days ago · 34 km deep · 79 km away
  14. 2.054 km SSE of Adak, Alaska · 2221 days ago · 24 km deep · 76 km away
  15. 2.660 km S of Atka, Alaska · 2220 days ago · 35 km deep · 70 km away
  16. 1.637 km SSE of Adak, Alaska · 2219 days ago · 34 km deep · 80 km away
  17. 2.074 km ENE of Adak, Alaska · 2219 days ago · 91 km deep · 60 km away
  18. 1.766 km SW of Atka, Alaska · 2218 days ago · 9 km deep · 40 km away
  19. 1.793 km SSE of Adak, Alaska · 2217 days ago · 26 km deep · 83 km away
  20. 1.815 km S of Adak, Alaska · 2217 days ago · 66 km deep · 98 km away
  21. 1.965 km SE of Adak, Alaska · 2217 days ago · 26 km deep · 46 km away
  22. 2.145 km ENE of Adak, Alaska · 2216 days ago · 127 km deep · 74 km away
  23. 1.684 km WSW of Atka, Alaska · 2216 days ago · 72 km deep · 40 km away
  24. 1.858 km SSE of Adak, Alaska · 2216 days ago · 25 km deep · 64 km away
  25. 2.637 km SSE of Adak, Alaska · 2216 days ago · 46 km deep · 80 km away
  26. 1.537 km S of Adak, Alaska · 2214 days ago · 37 km deep · 96 km away
  27. 1.953 km SE of Adak, Alaska · 2213 days ago · 26 km deep · 62 km away
  28. 1.555 km SE of Adak, Alaska · 2213 days ago · 24 km deep · 60 km away
  29. 3.721 km S of Atka, Alaska · 2213 days ago · 71 km deep · 90 km away
  30. 1.875 km SE of Adak, Alaska · 2212 days ago · 23 km deep · 43 km away
  31. 1.982 km SE of Adak, Alaska · 2212 days ago · 26 km deep · 40 km away
  32. 2.787 km SE of Adak, Alaska · 2212 days ago · 26 km deep · 37 km away
  33. 2.7Andreanof Islands, Aleutian Islands, Alaska · 2212 days ago · 32 km deep · 47 km away
  34. 1.948 km SSE of Adak, Alaska · 2211 days ago · 26 km deep · 83 km away
  35. 1.979 km SSW of Atka, Alaska · 2211 days ago · 13 km deep · 44 km away
  36. 1.540 km SSE of Adak, Alaska · 2211 days ago · 32 km deep · 75 km away
  37. 1.679 km SE of Adak, Alaska · 2210 days ago · 22 km deep · 40 km away
  38. 1.587 km ESE of Adak, Alaska · 2210 days ago · 20 km deep · 16 km away
  39. 1.852 km S of Adak, Alaska · 2209 days ago · 26 km deep · 88 km away
  40. 2.678 km WSW of Atka, Alaska · 2209 days ago · 251 km deep · 56 km away
  41. 1.739 km SW of Atka, Alaska · 2209 days ago · 75 km deep · 66 km away
  42. 1.651 km SE of Adak, Alaska · 2209 days ago · 45 km deep · 58 km away
  43. 2.851 km E of Adak, Alaska · 2209 days ago · 80 km deep · 55 km away
  44. 2.270 km E of Adak, Alaska · 2209 days ago · 197 km deep · 55 km away
  45. 1.551 km S of Adak, Alaska · 2208 days ago · 25 km deep · 94 km away
  46. 2.672 km ENE of Adak, Alaska · 2208 days ago · 190 km deep · 65 km away
  47. 3.875 km SE of Adak, Alaska · 2208 days ago · 26 km deep · 54 km away · felt by 1
  48. 3.067 km SSE of Adak, Alaska · 2208 days ago · 22 km deep · 60 km away
  49. 1.662 km SE of Adak, Alaska · 2208 days ago · 24 km deep · 47 km away
  50. 1.996 km ESE of Adak, Alaska · 2207 days ago · 29 km deep · 10 km away
  51. 4.051 km SSE of Adak, Alaska · 2207 days ago · 35 km deep · 75 km away
  52. 1.693 km ESE of Adak, Alaska · 2206 days ago · 26 km deep · 12 km away
  53. 2.660 km SSW of Atka, Alaska · 2204 days ago · 30 km deep · 52 km away
  54. 2.056 km SE of Adak, Alaska · 2204 days ago · 32 km deep · 52 km away
  55. 2.717 km SE of Adak, Alaska · 2202 days ago · 80 km deep · 88 km away
  56. 2.155 km SSE of Adak, Alaska · 2202 days ago · 26 km deep · 79 km away
  57. 1.570 km SSE of Adak, Alaska · 2201 days ago · 21 km deep · 84 km away
  58. 3.384 km W of Atka, Alaska · 2201 days ago · 144 km deep · 78 km away
  59. 2.736 km S of Adak, Alaska · 2201 days ago · 47 km deep · 100 km away
  60. 1.982 km SW of Atka, Alaska · 2201 days ago · 41 km deep · 25 km away

The first 60 of 135.

Before

  1. 1.817 km W of Atka, Alaska · 2228 days ago · 99 km deep · 94 km away
  2. 2.040 km E of Adak, Alaska · 2228 days ago · 130 km deep · 69 km away
  3. 1.958 km ENE of Adak, Alaska · 2229 days ago · 123 km deep · 75 km away
  4. 2.679 km SW of Atka, Alaska · 2229 days ago · 25 km deep · 29 km away
  5. 2.119 km WSW of Atka, Alaska · 2229 days ago · 5 km deep · 88 km away
  6. 1.976 km ENE of Adak, Alaska · 2229 days ago · 162 km deep · 86 km away
  7. 2.147 km NE of Adak, Alaska · 2230 days ago · 130 km deep · 90 km away
  8. 4.072 km NE of Adak, Alaska · 2230 days ago · 153 km deep · 94 km away
  9. 1.957 km SSE of Adak, Alaska · 2230 days ago · 27 km deep · 79 km away
  10. 1.829 km ESE of Adak, Alaska · 2230 days ago · 65 km deep · 72 km away
  11. 3.054 km SW of Atka, Alaska · 2230 days ago · 75 km deep · 52 km away
  12. 1.850 km S of Atka, Alaska · 2230 days ago · 26 km deep · 71 km away
  13. 2.770 km ENE of Adak, Alaska · 2230 days ago · 152 km deep · 77 km away
  14. 1.558 km SE of Adak, Alaska · 2231 days ago · 26 km deep · 60 km away
  15. 2.018 km ESE of Adak, Alaska · 2231 days ago · 80 km deep · 84 km away
  16. 1.767 km SW of Atka, Alaska · 2231 days ago · 40 km deep · 39 km away
  17. 1.587 km SW of Atka, Alaska · 2232 days ago · 28 km deep · 21 km away
  18. 2.99 km WSW of Atka, Alaska · 2233 days ago · 222 km deep · 98 km away
  19. 1.867 km SE of Adak, Alaska · 2233 days ago · 25 km deep · 38 km away
  20. 1.953 km ENE of Adak, Alaska · 2234 days ago · 218 km deep · 80 km away

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From the USGS Earthquake Hazards Program and its partner networks, event ak020aznb6js. Read Fri, Oct 2, 2026, 9:24 PM UTC.