Alaska earthquakes

M4.5 earthquake 84 km SSW of Atka, Alaska

A magnitude 4.5 earthquake struck 84 km SSW of Atka, Alaska on Wed, May 7, 1986, 12:42 PM HADT (21:42 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M8.0 1986 Atka, Alaska Earthquake. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1986-05-07 21:42:30 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.531° N, 174.802° 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.

Depth from
OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.144 km SW of Atka, Alaska · 14758 days ago · 33 km deep · 48 km away
  2. 8.01986 Atka, Alaska Earthquake · 14758 days ago · 33 km deep · 2 km away
  3. 5.687 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  4. 5.787 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  5. 5.287 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  6. 4.987 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  7. 5.387 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  8. 5.087 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  9. 5.587 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  10. 5.087 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  11. 5.387 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  12. 5.287 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  13. 5.492 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 44 km away
  14. 5.387 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  15. 4.987 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  16. 5.287 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  17. 5.287 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  18. 5.488 km S of Atka, Alaska · 14758 days ago · 33 km deep · 48 km away
  19. 4.7113 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 42 km away
  20. 5.775 km S of Atka, Alaska · 14758 days ago · 33 km deep · 45 km away
  21. 5.187 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  22. 5.097 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 46 km away
  23. 5.893 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 9 km away
  24. 5.787 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  25. 4.787 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  26. 5.096 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 37 km away
  27. 4.543 km SW of Atka, Alaska · 14758 days ago · 33 km deep · 44 km away
  28. 4.487 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 3 km away
  29. 4.850 km SE of Adak, Alaska · 14758 days ago · 33 km deep · 90 km away
  30. 4.294 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 50 km away
  31. 4.688 km SE of Adak, Alaska · 14758 days ago · 33 km deep · 83 km away
  32. 5.294 km S of Atka, Alaska · 14758 days ago · 33 km deep · 39 km away
  33. 4.755 km S of Atka, Alaska · 14758 days ago · 33 km deep · 45 km away
  34. 4.653 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 31 km away
  35. 4.897 km SE of Adak, Alaska · 14758 days ago · 33 km deep · 75 km away
  36. 5.373 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 11 km away
  37. 4.291 km S of Atka, Alaska · 14758 days ago · 33 km deep · 59 km away
  38. 5.186 km SSE of Adak, Alaska · 14758 days ago · 33 km deep · 96 km away
  39. 4.894 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 12 km away
  40. 5.1104 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 22 km away
  41. 3.993 km SSE of Adak, Alaska · 14758 days ago · 33 km deep · 90 km away
  42. 5.071 km SE of Adak, Alaska · 14758 days ago · 33 km deep · 76 km away
  43. 4.883 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 18 km away
  44. 4.8104 km SE of Adak, Alaska · 14758 days ago · 33 km deep · 57 km away
  45. 5.1114 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 39 km away
  46. 4.691 km SE of Adak, Alaska · 14758 days ago · 33 km deep · 80 km away
  47. 5.164 km SSE of Adak, Alaska · 14758 days ago · 33 km deep · 96 km away
  48. 5.081 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 7 km away
  49. 5.492 km S of Atka, Alaska · 14758 days ago · 33 km deep · 50 km away
  50. 4.0116 km ESE of Adak, Alaska · 14758 days ago · 33 km deep · 35 km away
  51. 4.996 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 11 km away
  52. 6.4106 km SE of Adak, Alaska · 14757 days ago · 18 km deep · 45 km away
  53. 4.8105 km SE of Adak, Alaska · 14757 days ago · 33 km deep · 50 km away
  54. 4.939 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 46 km away
  55. 5.164 km SSE of Adak, Alaska · 14757 days ago · 33 km deep · 96 km away
  56. 4.8104 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 20 km away
  57. 4.8110 km ESE of Adak, Alaska · 14757 days ago · 33 km deep · 40 km away
  58. 4.7134 km SE of Adak, Alaska · 14757 days ago · 33 km deep · 74 km away
  59. 4.3115 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 34 km away
  60. 4.069 km SSW of Atka, Alaska · 14757 days ago · 33 km deep · 16 km away

The first 60 of at least 199.

Before

  1. 4.450 km WSW of Atka, Alaska · 14758 days ago · 33 km deep · 60 km away
  2. 4.292 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 27 km away
  3. 5.0106 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 23 km away
  4. 6.399 km SSW of Atka, Alaska · 14758 days ago · 22 km deep · 16 km away
  5. 5.099 km SSW of Atka, Alaska · 14758 days ago · 33 km deep · 20 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002tmr. Read Fri, Oct 2, 2026, 5:03 PM UTC.