Alaska earthquakes

M2.7 earthquake 69 km SW of Atka, Alaska

A magnitude 2.7 earthquake struck 69 km SW of Atka, Alaska on Fri, Apr 24, 2020, 8:00 PM HADT (05:00 UTC), 56 km (35 mi) below the surface.

A larger quake followed: M4.0 100 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
2.7 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-04-25 05:00:49 UTC
Depth
56.4 km (35.1 mi), shallow
Epicenter
51.796° N, 174.981° 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
2.7ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.0ML, 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 8.6 km horizontally, 15.1 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
217°, poorly surrounded by stations
Stations used
30

Nearby

Within 100 km, magnitude 1.5 and up: 131 in the 60 days after this one and 71 in the 30 days before it.

After

  1. 1.866 km SW of Atka, Alaska · 2354 days ago · 47 km deep · 6 km away
  2. 2.260 km W of Atka, Alaska · 2354 days ago · 235 km deep · 56 km away
  3. 1.797 km SE of Adak, Alaska · 2353 days ago · 19 km deep · 60 km away
  4. 1.823 km SE of Adak, Alaska · 2353 days ago · 64 km deep · 96 km away
  5. 2.098 km ESE of Adak, Alaska · 2351 days ago · 25 km deep · 38 km away
  6. 1.897 km SW of Atka, Alaska · 2349 days ago · 26 km deep · 32 km away
  7. 1.564 km SSE of Adak, Alaska · 2349 days ago · 22 km deep · 95 km away
  8. 1.659 km SSE of Atka, Alaska · 2348 days ago · 8 km deep · 68 km away
  9. 2.289 km SE of Adak, Alaska · 2348 days ago · 27 km deep · 57 km away
  10. 2.662 km ESE of Adak, Alaska · 2347 days ago · 35 km deep · 64 km away
  11. 1.777 km WSW of Atka, Alaska · 2346 days ago · 84 km deep · 33 km away
  12. 3.673 km ENE of Adak, Alaska · 2346 days ago · 142 km deep · 72 km away
  13. 3.620 km E of Adak, Alaska · 2345 days ago · 79 km deep · 94 km away
  14. 2.862 km ENE of Adak, Alaska · 2344 days ago · 193 km deep · 64 km away
  15. 2.753 km SE of Adak, Alaska · 2344 days ago · 35 km deep · 91 km away
  16. 3.067 km SSE of Adak, Alaska · 2343 days ago · 35 km deep · 96 km away
  17. 3.14 km ESE of Atka, Alaska · 2343 days ago · 185 km deep · 72 km away
  18. 2.867 km SSE of Adak, Alaska · 2342 days ago · 35 km deep · 94 km away
  19. 1.844 km SSE of Adak, Alaska · 2342 days ago · 25 km deep · 98 km away
  20. 1.970 km SW of Atka, Alaska · 2342 days ago · 41 km deep · 2 km away
  21. 3.015 km NW of Atka, Alaska · 2342 days ago · 187 km deep · 69 km away
  22. 1.672 km WSW of Atka, Alaska · 2342 days ago · 70 km deep · 24 km away
  23. 1.8121 km SSW of Atka, Alaska · 2342 days ago · 21 km deep · 63 km away
  24. 1.832 km SE of Adak, Alaska · 2341 days ago · 53 km deep · 97 km away
  25. 3.130 km N of Atka, Alaska · 2341 days ago · 194 km deep · 92 km away
  26. 2.8104 km ESE of Adak, Alaska · 2341 days ago · 35 km deep · 51 km away
  27. 1.875 km E of Adak, Alaska · 2341 days ago · 162 km deep · 39 km away
  28. 1.8152 km SE of Adak, Alaska · 2341 days ago · 12 km deep · 97 km away
  29. 1.559 km WSW of Atka, Alaska · 2340 days ago · 53 km deep · 27 km away
  30. 3.169 km ESE of Adak, Alaska · 2339 days ago · 70 km deep · 47 km away
  31. 2.943 km SSE of Adak, Alaska · 2338 days ago · 35 km deep · 98 km away
  32. 1.972 km SW of Atka, Alaska · 2338 days ago · 20 km deep · 12 km away
  33. 2.953 km SE of Adak, Alaska · 2338 days ago · 58 km deep · 73 km away
  34. 3.367 km NE of Adak, Alaska · 2338 days ago · 210 km deep · 88 km away
  35. 1.693 km ESE of Adak, Alaska · 2337 days ago · 35 km deep · 36 km away
  36. 1.930 km SE of Adak, Alaska · 2335 days ago · 56 km deep · 95 km away
  37. 1.67 km S of Atka, Alaska · 2334 days ago · 14 km deep · 65 km away
  38. 2.554 km NE of Adak, Alaska · 2334 days ago · 173 km deep · 80 km away
  39. 2.595 km SSW of Atka, Alaska · 2334 days ago · 24 km deep · 39 km away
  40. 1.560 km SE of Adak, Alaska · 2334 days ago · 24 km deep · 84 km away
  41. 1.778 km SSE of Atka, Alaska · 2334 days ago · 25 km deep · 83 km away
  42. 3.399 km ESE of Adak, Alaska · 2333 days ago · 35 km deep · 33 km away
  43. 2.678 km SE of Adak, Alaska · 2333 days ago · 35 km deep · 61 km away
  44. 3.545 km NW of Atka, Alaska · 2332 days ago · 207 km deep · 87 km away
  45. 2.186 km SW of Atka, Alaska · 2332 days ago · 26 km deep · 27 km away
  46. 1.561 km SE of Adak, Alaska · 2332 days ago · 24 km deep · 78 km away
  47. 2.034 km NE of Adak, Alaska · 2332 days ago · 5 km deep · 89 km away
  48. 2.135 km ENE of Adak, Alaska · 2332 days ago · 6 km deep · 89 km away
  49. 4.0100 km SW of Atka, Alaska · 2331 days ago · 40 km deep · 33 km away
  50. 3.763 km ESE of Adak, Alaska · 2330 days ago · 53 km deep · 61 km away
  51. 2.749 km NW of Atka, Alaska · 2330 days ago · 212 km deep · 81 km away
  52. 3.051 km NNW of Atka, Alaska · 2329 days ago · 158 km deep · 94 km away
  53. 1.947 km SSW of Atka, Alaska · 2328 days ago · 28 km deep · 38 km away
  54. 1.758 km SSE of Adak, Alaska · 2328 days ago · 26 km deep · 92 km away
  55. 2.788 km SSE of Atka, Alaska · 2327 days ago · 35 km deep · 98 km away
  56. 2.645 km SSE of Adak, Alaska · 2325 days ago · 50 km deep · 94 km away
  57. 1.835 km ENE of Adak, Alaska · 2325 days ago · 98 km deep · 85 km away
  58. 1.624 km ENE of Adak, Alaska · 2325 days ago · 9 km deep · 92 km away
  59. 2.9102 km SW of Atka, Alaska · 2324 days ago · 25 km deep · 34 km away
  60. 1.760 km SW of Atka, Alaska · 2324 days ago · 40 km deep · 15 km away

The first 60 of 131.

Before

  1. 1.8114 km SW of Atka, Alaska · 2354 days ago · 31 km deep · 51 km away
  2. 2.324 km ESE of Adak, Alaska · 2355 days ago · 71 km deep · 93 km away
  3. 3.062 km SE of Adak, Alaska · 2355 days ago · 35 km deep · 76 km away
  4. 1.937 km E of Atka, Alaska · 2355 days ago · 16 km deep · 100 km away
  5. 1.763 km SE of Adak, Alaska · 2356 days ago · 24 km deep · 76 km away
  6. 2.272 km SE of Adak, Alaska · 2357 days ago · 27 km deep · 73 km away
  7. 3.638 km WSW of Atka, Alaska · 2358 days ago · 82 km deep · 34 km away
  8. 2.857 km SW of Atka, Alaska · 2358 days ago · 35 km deep · 16 km away
  9. 1.662 km SE of Adak, Alaska · 2358 days ago · 13 km deep · 89 km away
  10. 3.457 km SE of Adak, Alaska · 2358 days ago · 35 km deep · 86 km away
  11. 2.6107 km SE of Adak, Alaska · 2358 days ago · 35 km deep · 60 km away
  12. 3.3105 km SE of Adak, Alaska · 2358 days ago · 28 km deep · 58 km away
  13. 1.765 km SE of Adak, Alaska · 2359 days ago · 13 km deep · 87 km away
  14. 2.966 km SW of Atka, Alaska · 2359 days ago · 72 km deep · 5 km away
  15. 1.695 km SE of Adak, Alaska · 2359 days ago · 25 km deep · 60 km away
  16. 3.0121 km SSW of Atka, Alaska · 2359 days ago · 12 km deep · 66 km away
  17. 1.532 km SSE of Adak, Alaska · 2360 days ago · 49 km deep · 98 km away
  18. 2.870 km ENE of Adak, Alaska · 2360 days ago · 113 km deep · 64 km away
  19. 1.568 km SE of Adak, Alaska · 2360 days ago · 26 km deep · 73 km away
  20. 2.655 km S of Atka, Alaska · 2361 days ago · 35 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70009fth (also filed as ak0205bxbj4q). Read Mon, Oct 5, 2026, 1:53 AM UTC.