Alaska earthquakes

M3.7 earthquake 77 km E of Atka, Alaska

A magnitude 3.7 earthquake struck 77 km E of Atka, Alaska on Sat, May 2, 2020, 11:33 AM HADT (20:33 UTC), 150 km (93 mi) below the surface.

A larger quake followed: M4.5 93 km SSE 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
3.7 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-05-02 20:33:39 UTC
Depth
150.0 km (93.2 mi), intermediate-depth
Epicenter
52.235° N, 173.066° W
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
3.7mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.115 · 19 stations
2.9ML, 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 10.8 km horizontally, 6.7 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
54

Nearby

Within 100 km, magnitude 1.5 and up: 60 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 2.242 km ENE of Atka, Alaska · 2343 days ago · 121 km deep · 36 km away
  2. 3.14 km ESE of Atka, Alaska · 2340 days ago · 185 km deep · 74 km away
  3. 3.015 km NW of Atka, Alaska · 2339 days ago · 187 km deep · 89 km away
  4. 3.130 km N of Atka, Alaska · 2338 days ago · 194 km deep · 82 km away
  5. 3.664 km ESE of Atka, Alaska · 2332 days ago · 73 km deep · 33 km away
  6. 2.879 km ENE of Atka, Alaska · 2331 days ago · 272 km deep · 18 km away
  7. 1.67 km S of Atka, Alaska · 2331 days ago · 14 km deep · 79 km away
  8. 1.778 km SSE of Atka, Alaska · 2331 days ago · 25 km deep · 97 km away
  9. 1.672 km ESE of Atka, Alaska · 2331 days ago · 54 km deep · 38 km away
  10. 4.593 km SSE of Atka, Alaska · 2328 days ago · 28 km deep · 90 km away
  11. 2.678 km E of Atka, Alaska · 2327 days ago · 35 km deep · 8 km away
  12. 3.791 km SSE of Atka, Alaska · 2327 days ago · 42 km deep · 88 km away
  13. 2.868 km ESE of Atka, Alaska · 2326 days ago · 61 km deep · 46 km away
  14. 2.989 km SSE of Atka, Alaska · 2325 days ago · 16 km deep · 90 km away
  15. 2.859 km ESE of Atka, Alaska · 2325 days ago · 6 km deep · 45 km away
  16. 3.0102 km SSE of Atka, Alaska · 2324 days ago · 35 km deep · 94 km away
  17. 2.788 km SSE of Atka, Alaska · 2324 days ago · 35 km deep · 93 km away
  18. 3.170 km E of Atka, Alaska · 2323 days ago · 167 km deep · 10 km away
  19. 3.3171 km E of Atka, Alaska · 2321 days ago · 16 km deep · 93 km away
  20. 3.5156 km ESE of Atka, Alaska · 2320 days ago · 35 km deep · 85 km away
  21. 1.747 km S of Atka, Alaska · 2320 days ago · 51 km deep · 92 km away
  22. 1.644 km E of Atka, Alaska · 2320 days ago · 13 km deep · 33 km away
  23. 1.86 km S of Atka, Alaska · 2319 days ago · 13 km deep · 78 km away
  24. 2.05 km S of Atka, Alaska · 2319 days ago · 12 km deep · 78 km away
  25. 2.040 km NNE of Atka, Alaska · 2319 days ago · 158 km deep · 77 km away
  26. 2.965 km ESE of Atka, Alaska · 2318 days ago · 67 km deep · 29 km away
  27. 3.152 km N of Atka, Alaska · 2316 days ago · 171 km deep · 87 km away
  28. 1.873 km SE of Atka, Alaska · 2314 days ago · 12 km deep · 74 km away
  29. 2.0Andreanof Islands, Aleutian Islands, Alaska · 2313 days ago · 74 km deep · 29 km away
  30. 1.988 km SE of Atka, Alaska · 2313 days ago · 8 km deep · 81 km away
  31. 2.067 km NNE of Atka, Alaska · 2311 days ago · 146 km deep · 72 km away
  32. 1.9135 km ESE of Atka, Alaska · 2310 days ago · 36 km deep · 75 km away
  33. 2.716 km NW of Atka, Alaska · 2308 days ago · 173 km deep · 89 km away
  34. 1.641 km ESE of Atka, Alaska · 2308 days ago · 78 km deep · 47 km away
  35. 3.386 km ENE of Atka, Alaska · 2306 days ago · 104 km deep · 15 km away
  36. 1.852 km SSE of Atka, Alaska · 2306 days ago · 35 km deep · 77 km away
  37. 3.381 km ESE of Atka, Alaska · 2304 days ago · 10 km deep · 36 km away
  38. 1.764 km SSE of Atka, Alaska · 2302 days ago · 9 km deep · 93 km away
  39. 2.840 km SE of Atka, Alaska · 2302 days ago · 164 km deep · 60 km away
  40. 2.8139 km E of Atka, Alaska · 2302 days ago · 112 km deep · 62 km away
  41. 2.234 km NE of Atka, Alaska · 2301 days ago · 190 km deep · 53 km away
  42. 1.962 km SSE of Atka, Alaska · 2300 days ago · 25 km deep · 88 km away
  43. 2.781 km SE of Atka, Alaska · 2300 days ago · 24 km deep · 54 km away
  44. 2.19 km SSW of Atka, Alaska · 2300 days ago · 161 km deep · 83 km away
  45. 1.864 km ESE of Atka, Alaska · 2298 days ago · 59 km deep · 43 km away
  46. 2.072 km SSE of Atka, Alaska · 2295 days ago · 5 km deep · 85 km away
  47. 2.135 km ENE of Atka, Alaska · 2293 days ago · 151 km deep · 43 km away
  48. 3.4139 km E of Atka, Alaska · 2293 days ago · 77 km deep · 62 km away
  49. 1.744 km E of Atka, Alaska · 2293 days ago · 7 km deep · 34 km away
  50. 1.683 km ESE of Atka, Alaska · 2292 days ago · 46 km deep · 46 km away
  51. 3.131 km ESE of Atka, Alaska · 2292 days ago · 120 km deep · 50 km away
  52. 1.566 km SSE of Atka, Alaska · 2292 days ago · 9 km deep · 91 km away
  53. 1.87 km WSW of Atka, Alaska · 2291 days ago · 7 km deep · 84 km away
  54. 1.839 km ESE of Atka, Alaska · 2291 days ago · 71 km deep · 44 km away
  55. 4.119 km SSE of Atka, Alaska · 2291 days ago · 59 km deep · 72 km away
  56. 3.5141 km SE of Atka, Alaska · 2291 days ago · 35 km deep · 96 km away
  57. 1.535 km S of Atka, Alaska · 2290 days ago · 24 km deep · 85 km away
  58. 2.973 km E of Atka, Alaska · 2290 days ago · 61 km deep · 13 km away
  59. 3.836 km NE of Atka, Alaska · 2286 days ago · 131 km deep · 62 km away
  60. 2.0100 km ESE of Atka, Alaska · 2285 days ago · 39 km deep · 41 km away

Before

  1. 1.839 km E of Atka, Alaska · 2344 days ago · 5 km deep · 38 km away
  2. 1.974 km SE of Atka, Alaska · 2344 days ago · 106 km deep · 68 km away
  3. 2.744 km N of Atka, Alaska · 2345 days ago · 156 km deep · 82 km away
  4. 1.659 km SSE of Atka, Alaska · 2345 days ago · 8 km deep · 90 km away
  5. 2.7104 km ESE of Atka, Alaska · 2346 days ago · 35 km deep · 57 km away
  6. 1.939 km E of Atka, Alaska · 2350 days ago · 81 km deep · 40 km away
  7. 3.261 km ESE of Atka, Alaska · 2351 days ago · 67 km deep · 37 km away
  8. 2.633 km NE of Atka, Alaska · 2352 days ago · 179 km deep · 55 km away
  9. 2.9108 km ESE of Atka, Alaska · 2352 days ago · 35 km deep · 64 km away
  10. 1.937 km E of Atka, Alaska · 2353 days ago · 16 km deep · 41 km away
  11. 3.1174 km E of Atka, Alaska · 2357 days ago · 35 km deep · 96 km away
  12. 2.655 km S of Atka, Alaska · 2358 days ago · 35 km deep · 94 km away
  13. 2.424 km NW of Atka, Alaska · 2358 days ago · 171 km deep · 94 km away
  14. 2.334 km NNE of Atka, Alaska · 2359 days ago · 118 km deep · 68 km away
  15. 2.013 km N of Atka, Alaska · 2360 days ago · 4 km deep · 80 km away
  16. 2.965 km ESE of Atka, Alaska · 2362 days ago · 60 km deep · 24 km away
  17. 1.817 km NW of Atka, Alaska · 2362 days ago · 9 km deep · 92 km away
  18. 3.181 km E of Atka, Alaska · 2363 days ago · 106 km deep · 10 km away
  19. 3.987 km SSE of Atka, Alaska · 2368 days ago · 27 km deep · 94 km away
  20. 2.973 km SE of Atka, Alaska · 2369 days ago · 35 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70009gdm (also filed as ak0205nr7inx). Read Fri, Oct 2, 2026, 4:07 AM UTC.