Alaska earthquakes

M4.6 earthquake 294 km WSW of Adak, Alaska

A magnitude 4.6 earthquake struck 294 km WSW of Adak, Alaska on Thu, Aug 27, 2020, 7:14 PM GMT+12 (07:14 UTC), 35 km (22 mi) below the surface.

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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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-08-27 07:14:44 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.214° N, 179.251° E
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
4.6mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.03 · 340 stations
4.4ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.9 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.03
Depth from
Operator assigned
Station coverage gap
132°
Stations used
212

Nearby

Within 100 km, magnitude 1.6 and up: 124 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 1.8299 km WSW of Adak, Alaska · 2226 days ago · 22 km deep · 11 km away
  2. 3.0Rat Islands, Aleutian Islands, Alaska · 2225 days ago · 42 km deep · 38 km away
  3. 1.8295 km WSW of Adak, Alaska · 2225 days ago · 7 km deep · 21 km away
  4. 2.0222 km W of Adak, Alaska · 2224 days ago · 77 km deep · 81 km away
  5. 1.6242 km WSW of Adak, Alaska · 2223 days ago · 48 km deep · 52 km away
  6. 1.9Rat Islands, Aleutian Islands, Alaska · 2223 days ago · 47 km deep · 54 km away
  7. 1.7Rat Islands, Aleutian Islands, Alaska · 2223 days ago · 19 km deep · 62 km away
  8. 3.2Rat Islands, Aleutian Islands, Alaska · 2222 days ago · 59 km deep · 86 km away
  9. 2.4238 km WSW of Adak, Alaska · 2221 days ago · 11 km deep · 65 km away
  10. 4.0235 km WSW of Adak, Alaska · 2220 days ago · 19 km deep · 60 km away
  11. 3.2232 km WSW of Adak, Alaska · 2220 days ago · 15 km deep · 62 km away
  12. 2.6Rat Islands, Aleutian Islands, Alaska · 2219 days ago · 35 km deep · 69 km away
  13. 2.1Rat Islands, Aleutian Islands, Alaska · 2219 days ago · 116 km deep · 86 km away
  14. 3.4Rat Islands, Aleutian Islands, Alaska · 2217 days ago · 97 km deep · 83 km away
  15. 2.2262 km W of Adak, Alaska · 2217 days ago · 82 km deep · 64 km away
  16. 2.4237 km WSW of Adak, Alaska · 2216 days ago · 13 km deep · 78 km away
  17. 4.3238 km WSW of Adak, Alaska · 2216 days ago · 47 km deep · 70 km away
  18. 2.5238 km WSW of Adak, Alaska · 2216 days ago · 12 km deep · 80 km away
  19. 4.1235 km WSW of Adak, Alaska · 2215 days ago · 40 km deep · 76 km away
  20. 2.2238 km WSW of Adak, Alaska · 2215 days ago · 15 km deep · 62 km away
  21. 1.7277 km W of Adak, Alaska · 2215 days ago · 79 km deep · 46 km away
  22. 1.9238 km WSW of Adak, Alaska · 2215 days ago · 10 km deep · 79 km away
  23. 2.0234 km WSW of Adak, Alaska · 2215 days ago · 25 km deep · 77 km away
  24. 2.7261 km W of Adak, Alaska · 2215 days ago · 156 km deep · 79 km away
  25. 1.7250 km WSW of Adak, Alaska · 2215 days ago · 70 km deep · 48 km away
  26. 1.7239 km WSW of Adak, Alaska · 2214 days ago · 18 km deep · 60 km away
  27. 2.6277 km WSW of Adak, Alaska · 2214 days ago · 31 km deep · 23 km away
  28. 1.8244 km WSW of Adak, Alaska · 2213 days ago · 16 km deep · 65 km away
  29. 2.1Rat Islands, Aleutian Islands, Alaska · 2213 days ago · 66 km deep · 57 km away
  30. 2.0251 km WSW of Adak, Alaska · 2213 days ago · 58 km deep · 45 km away
  31. 2.5Rat Islands, Aleutian Islands, Alaska · 2213 days ago · 111 km deep · 78 km away
  32. 2.9Rat Islands, Aleutian Islands, Alaska · 2212 days ago · 137 km deep · 99 km away
  33. 3.0259 km W of Adak, Alaska · 2212 days ago · 146 km deep · 81 km away
  34. 2.2216 km W of Adak, Alaska · 2211 days ago · 99 km deep · 96 km away
  35. 2.1239 km WSW of Adak, Alaska · 2211 days ago · 8 km deep · 72 km away
  36. 1.7265 km W of Adak, Alaska · 2211 days ago · 10 km deep · 77 km away
  37. 3.0Rat Islands, Aleutian Islands, Alaska · 2210 days ago · 144 km deep · 87 km away
  38. 3.1Rat Islands, Aleutian Islands, Alaska · 2210 days ago · 85 km deep · 63 km away
  39. 2.5268 km W of Adak, Alaska · 2208 days ago · 110 km deep · 69 km away
  40. 3.0260 km W of Adak, Alaska · 2207 days ago · 123 km deep · 65 km away
  41. 1.7269 km W of Adak, Alaska · 2207 days ago · 64 km deep · 36 km away
  42. 2.9259 km W of Adak, Alaska · 2206 days ago · 189 km deep · 84 km away
  43. 2.0Rat Islands, Aleutian Islands, Alaska · 2205 days ago · 59 km deep · 33 km away
  44. 2.1Rat Islands, Aleutian Islands, Alaska · 2205 days ago · 79 km deep · 69 km away
  45. 1.8206 km W of Adak, Alaska · 2204 days ago · 85 km deep · 93 km away
  46. 1.8246 km WSW of Adak, Alaska · 2203 days ago · 45 km deep · 50 km away
  47. 2.0Rat Islands, Aleutian Islands, Alaska · 2203 days ago · 97 km deep · 72 km away
  48. 2.1Rat Islands, Aleutian Islands, Alaska · 2203 days ago · 49 km deep · 61 km away
  49. 1.7213 km WSW of Adak, Alaska · 2203 days ago · 52 km deep · 81 km away
  50. 3.4217 km WSW of Adak, Alaska · 2202 days ago · 10 km deep · 78 km away
  51. 2.9201 km WSW of Adak, Alaska · 2200 days ago · 74 km deep · 93 km away
  52. 1.9295 km WSW of Adak, Alaska · 2200 days ago · 50 km deep · 21 km away
  53. 2.0Rat Islands, Aleutian Islands, Alaska · 2199 days ago · 25 km deep · 21 km away
  54. 3.7240 km WSW of Adak, Alaska · 2198 days ago · 19 km deep · 56 km away
  55. 1.8244 km WSW of Adak, Alaska · 2198 days ago · 26 km deep · 53 km away
  56. 1.6241 km WSW of Adak, Alaska · 2198 days ago · 13 km deep · 55 km away
  57. 1.6Rat Islands, Aleutian Islands, Alaska · 2198 days ago · 40 km deep · 37 km away
  58. 2.0265 km W of Adak, Alaska · 2198 days ago · 91 km deep · 66 km away
  59. 2.0213 km W of Adak, Alaska · 2198 days ago · 144 km deep · 99 km away
  60. 1.8246 km WSW of Adak, Alaska · 2198 days ago · 26 km deep · 49 km away

The first 60 of 124.

Before

  1. 1.8Rat Islands, Aleutian Islands, Alaska · 2226 days ago · 57 km deep · 67 km away
  2. 2.2229 km W of Adak, Alaska · 2226 days ago · 94 km deep · 85 km away
  3. 3.1Rat Islands, Aleutian Islands, Alaska · 2226 days ago · 32 km deep · 68 km away
  4. 2.0Rat Islands, Aleutian Islands, Alaska · 2227 days ago · 69 km deep · 50 km away
  5. 1.8Rat Islands, Aleutian Islands, Alaska · 2227 days ago · 87 km deep · 74 km away
  6. 1.6Rat Islands, Aleutian Islands, Alaska · 2227 days ago · 102 km deep · 75 km away
  7. 1.7236 km WSW of Adak, Alaska · 2228 days ago · 14 km deep · 66 km away
  8. 2.1Rat Islands, Aleutian Islands, Alaska · 2228 days ago · 74 km deep · 76 km away
  9. 1.9Rat Islands, Aleutian Islands, Alaska · 2228 days ago · 0 km deep · 98 km away
  10. 1.9249 km W of Adak, Alaska · 2229 days ago · 60 km deep · 50 km away
  11. 1.8202 km WSW of Adak, Alaska · 2229 days ago · 16 km deep · 93 km away
  12. 3.2262 km W of Adak, Alaska · 2230 days ago · 206 km deep · 92 km away
  13. 2.8245 km W of Adak, Alaska · 2231 days ago · 72 km deep · 55 km away
  14. 1.9245 km WSW of Adak, Alaska · 2231 days ago · 26 km deep · 50 km away
  15. 2.1Rat Islands, Aleutian Islands, Alaska · 2231 days ago · 89 km deep · 75 km away
  16. 2.7250 km W of Adak, Alaska · 2231 days ago · 186 km deep · 82 km away
  17. 2.3290 km W of Adak, Alaska · 2232 days ago · 84 km deep · 53 km away
  18. 1.8Rat Islands, Aleutian Islands, Alaska · 2232 days ago · 46 km deep · 36 km away
  19. 1.6Rat Islands, Aleutian Islands, Alaska · 2232 days ago · 22 km deep · 74 km away
  20. 1.8Rat Islands, Aleutian Islands, Alaska · 2232 days ago · 58 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bdkg (also filed as ak020b118et3). Read Thu, Oct 1, 2026, 5:54 AM UTC.