Alaska earthquakes

M2.8 earthquake 58 km SSE of Adak, Alaska

A magnitude 2.8 earthquake struck 58 km SSE of Adak, Alaska on Tue, Mar 10, 2020, 11:17 AM HADT (20:17 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.8 117 km SSW 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-03-10 20:17:41 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.424° N, 176.188° 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
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.2ML, 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 4.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
220°, poorly surrounded by stations
Stations used
31

Nearby

Within 100 km, magnitude 1.5 and up: 166 in the 60 days after this one and 127 in the 30 days before it.

After

  1. 1.759 km SSW of Adak, Alaska · 2396 days ago · 32 km deep · 44 km away
  2. 1.743 km SSW of Adak, Alaska · 2396 days ago · 30 km deep · 46 km away
  3. 2.775 km SW of Adak, Alaska · 2395 days ago · 48 km deep · 92 km away
  4. 2.965 km ESE of Adak, Alaska · 2394 days ago · 35 km deep · 30 km away
  5. 1.961 km SE of Adak, Alaska · 2394 days ago · 22 km deep · 5 km away
  6. 2.0Andreanof Islands, Aleutian Islands, Alaska · 2394 days ago · 83 km deep · 68 km away
  7. 2.764 km S of Adak, Alaska · 2394 days ago · 31 km deep · 43 km away
  8. 2.341 km ENE of Adak, Alaska · 2394 days ago · 5 km deep · 70 km away
  9. 2.541 km ENE of Adak, Alaska · 2394 days ago · 2 km deep · 71 km away
  10. 1.765 km WSW of Adak, Alaska · 2393 days ago · 60 km deep · 93 km away
  11. 2.074 km E of Adak, Alaska · 2393 days ago · 88 km deep · 77 km away
  12. 1.920 km ESE of Adak, Alaska · 2392 days ago · 70 km deep · 44 km away
  13. 2.6108 km SE of Adak, Alaska · 2391 days ago · 28 km deep · 58 km away
  14. 2.823 km SSW of Adak, Alaska · 2391 days ago · 72 km deep · 49 km away
  15. 1.641 km E of Adak, Alaska · 2391 days ago · 72 km deep · 50 km away
  16. 1.968 km SE of Adak, Alaska · 2390 days ago · 25 km deep · 16 km away
  17. 1.937 km WSW of Adak, Alaska · 2390 days ago · 12 km deep · 71 km away
  18. 2.257 km SW of Adak, Alaska · 2388 days ago · 52 km deep · 72 km away
  19. 2.718 km SSE of Adak, Alaska · 2388 days ago · 69 km deep · 41 km away
  20. 1.841 km SSW of Adak, Alaska · 2388 days ago · 36 km deep · 45 km away
  21. 3.017 km NNW of Adak, Alaska · 2387 days ago · 215 km deep · 76 km away
  22. 1.995 km ESE of Adak, Alaska · 2387 days ago · 30 km deep · 63 km away
  23. 3.591 km SW of Atka, Alaska · 2387 days ago · 35 km deep · 74 km away
  24. 3.162 km S of Adak, Alaska · 2385 days ago · 35 km deep · 44 km away
  25. 1.756 km SE of Adak, Alaska · 2385 days ago · 27 km deep · 14 km away
  26. 2.760 km SE of Adak, Alaska · 2384 days ago · 36 km deep · 7 km away
  27. 2.239 km ESE of Adak, Alaska · 2384 days ago · 133 km deep · 38 km away
  28. 1.842 km W of Adak, Alaska · 2384 days ago · 69 km deep · 86 km away
  29. 2.315 km NW of Adak, Alaska · 2383 days ago · 188 km deep · 74 km away
  30. 2.9109 km SW of Atka, Alaska · 2383 days ago · 14 km deep · 72 km away
  31. 4.8117 km SSW of Atka, Alaska · 2383 days ago · 20 km deep · 76 km away
  32. 1.641 km ENE of Adak, Alaska · 2383 days ago · 3 km deep · 71 km away
  33. 2.868 km SE of Adak, Alaska · 2382 days ago · 31 km deep · 11 km away
  34. 2.664 km SE of Adak, Alaska · 2382 days ago · 36 km deep · 13 km away
  35. 2.062 km SE of Adak, Alaska · 2382 days ago · 22 km deep · 10 km away
  36. 2.653 km S of Adak, Alaska · 2381 days ago · 37 km deep · 28 km away
  37. 1.772 km SW of Adak, Alaska · 2381 days ago · 36 km deep · 90 km away
  38. 2.548 km SE of Adak, Alaska · 2381 days ago · 37 km deep · 21 km away
  39. 3.592 km SW of Adak, Alaska · 2380 days ago · 17 km deep · 97 km away
  40. 2.858 km SSE of Adak, Alaska · 2379 days ago · 35 km deep · 13 km away
  41. 3.410 km S of Adak, Alaska · 2379 days ago · 79 km deep · 52 km away
  42. 1.572 km SW of Adak, Alaska · 2379 days ago · 26 km deep · 84 km away
  43. 1.673 km SW of Adak, Alaska · 2379 days ago · 34 km deep · 91 km away
  44. 1.743 km ENE of Adak, Alaska · 2379 days ago · 8 km deep · 69 km away
  45. 1.855 km ESE of Adak, Alaska · 2379 days ago · 37 km deep · 28 km away
  46. 3.252 km SW of Adak, Alaska · 2377 days ago · 44 km deep · 61 km away
  47. 1.760 km SSW of Adak, Alaska · 2377 days ago · 40 km deep · 60 km away
  48. 1.579 km WSW of Adak, Alaska · 2376 days ago · 26 km deep · 98 km away
  49. 1.840 km S of Adak, Alaska · 2376 days ago · 32 km deep · 39 km away
  50. 1.741 km ENE of Adak, Alaska · 2376 days ago · 4 km deep · 71 km away
  51. 1.534 km ESE of Adak, Alaska · 2375 days ago · 72 km deep · 39 km away
  52. 1.641 km S of Adak, Alaska · 2375 days ago · 33 km deep · 30 km away
  53. 1.765 km SE of Adak, Alaska · 2375 days ago · 27 km deep · 7 km away
  54. 1.739 km W of Adak, Alaska · 2375 days ago · 92 km deep · 84 km away
  55. 3.544 km W of Adak, Alaska · 2373 days ago · 101 km deep · 87 km away
  56. 3.244 km SSW of Adak, Alaska · 2373 days ago · 34 km deep · 40 km away
  57. 1.962 km WSW of Adak, Alaska · 2373 days ago · 13 km deep · 94 km away
  58. 1.737 km WSW of Adak, Alaska · 2373 days ago · 13 km deep · 72 km away
  59. 2.144 km ENE of Adak, Alaska · 2372 days ago · 9 km deep · 70 km away
  60. 2.260 km WSW of Adak, Alaska · 2372 days ago · 14 km deep · 83 km away

The first 60 of 166.

Before

  1. 3.127 km SSW of Adak, Alaska · 2397 days ago · 60 km deep · 44 km away
  2. 1.763 km SSW of Adak, Alaska · 2397 days ago · 43 km deep · 56 km away
  3. 2.965 km SSW of Adak, Alaska · 2397 days ago · 36 km deep · 58 km away
  4. 1.945 km S of Adak, Alaska · 2397 days ago · 38 km deep · 39 km away
  5. 2.944 km S of Adak, Alaska · 2397 days ago · 35 km deep · 28 km away
  6. 1.669 km SSE of Adak, Alaska · 2397 days ago · 26 km deep · 19 km away
  7. 2.350 km W of Adak, Alaska · 2397 days ago · 94 km deep · 97 km away
  8. 1.784 km SE of Adak, Alaska · 2397 days ago · 26 km deep · 40 km away
  9. 1.743 km ENE of Adak, Alaska · 2399 days ago · 6 km deep · 72 km away
  10. 1.674 km WSW of Adak, Alaska · 2399 days ago · 18 km deep · 94 km away
  11. 1.656 km SSW of Adak, Alaska · 2399 days ago · 30 km deep · 60 km away
  12. 2.041 km ENE of Adak, Alaska · 2399 days ago · 3 km deep · 71 km away
  13. 3.460 km SSW of Adak, Alaska · 2400 days ago · 39 km deep · 61 km away
  14. 1.956 km SW of Adak, Alaska · 2400 days ago · 49 km deep · 64 km away
  15. 1.9126 km SSW of Atka, Alaska · 2400 days ago · 25 km deep · 86 km away
  16. 2.467 km NE of Adak, Alaska · 2400 days ago · 172 km deep · 99 km away
  17. 1.561 km SW of Adak, Alaska · 2400 days ago · 18 km deep · 80 km away
  18. 2.798 km SW of Atka, Alaska · 2400 days ago · 35 km deep · 68 km away
  19. 4.041 km ENE of Adak, Alaska · 2401 days ago · 10 km deep · 67 km away
  20. 1.861 km SE of Adak, Alaska · 2402 days ago · 23 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70008m8r (also filed as ak020383mp0l). Read Fri, Oct 2, 2026, 9:11 AM UTC.