Alaska earthquakes

M3.9 earthquake 59 km E of Atka, Alaska

A magnitude 3.9 earthquake struck 59 km E of Atka, Alaska on Sat, Oct 26, 2019, 9:42 AM HADT (18:42 UTC), 83 km (52 mi) below the surface.

A larger quake followed: M4.8 93 km ENE of Atka, Alaska. 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
3.9 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-10-26 18:42:54 UTC
Depth
83.0 km (51.6 mi), intermediate-depth
Epicenter
52.258° N, 173.339° 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
3.9mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.097 · 28 stations
3.6ML, 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 10.4 km horizontally, 7.5 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
174°
Stations used
80

Nearby

Within 100 km, magnitude 1.5 and up: 47 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 2.069 km S of Atka, Alaska · 2529 days ago · 27 km deep · 90 km away
  2. 1.738 km WSW of Atka, Alaska · 2529 days ago · 69 km deep · 96 km away
  3. 2.637 km NNW of Atka, Alaska · 2529 days ago · 167 km deep · 73 km away
  4. 2.228 km N of Atka, AK · 2525 days ago · 127 km deep · 59 km away
  5. 2.050 km NNW of Atka, Alaska · 2524 days ago · 137 km deep · 86 km away
  6. 3.929 km E of Atka, Alaska · 2523 days ago · 9 km deep · 30 km away
  7. 2.3110 km SE of Atka, Alaska · 2523 days ago · 23 km deep · 98 km away
  8. 4.893 km ENE of Atka, Alaska · 2522 days ago · 128 km deep · 40 km away · tsunami flag
  9. 1.628 km NE of Atka, Alaska · 2522 days ago · 12 km deep · 39 km away
  10. 2.172 km ESE of Atka, Alaska · 2522 days ago · 63 km deep · 35 km away
  11. 1.617 km ESE of Atka, Alaska · 2519 days ago · 3 km deep · 43 km away
  12. 1.6Andreanof Islands, Aleutian Islands, Alaska · 2517 days ago · 52 km deep · 86 km away
  13. 1.753 km SSW of Atka, Alaska · 2517 days ago · 34 km deep · 95 km away
  14. 2.170 km SSE of Atka, Alaska · 2517 days ago · 28 km deep · 79 km away
  15. 1.864 km SSE of Atka, Alaska · 2516 days ago · 19 km deep · 65 km away
  16. 1.919 km SSW of Atka, Alaska · 2514 days ago · 11 km deep · 73 km away
  17. 2.3103 km ESE of Atka, Alaska · 2514 days ago · 14 km deep · 64 km away
  18. 2.865 km N of Atka, Alaska · 2513 days ago · 200 km deep · 88 km away
  19. 2.8158 km E of Atka, Alaska · 2513 days ago · 33 km deep · 99 km away
  20. 1.833 km ENE of Atka, Alaska · 2513 days ago · 20 km deep · 31 km away
  21. 2.067 km SE of Atka, Alaska · 2511 days ago · 32 km deep · 59 km away
  22. 1.66 km SSW of Atka, Alaska · 2510 days ago · 10 km deep · 62 km away
  23. 3.716 km NE of Atka, Alaska · 2509 days ago · 195 km deep · 46 km away
  24. 2.372 km ESE of Atka, Alaska · 2508 days ago · 61 km deep · 29 km away
  25. 4.381 km SSE of Atka, Alaska · 2508 days ago · 39 km deep · 77 km away
  26. 2.889 km ENE of Atka, Alaska · 2505 days ago · 136 km deep · 30 km away
  27. 2.943 km N of Atka, Alaska · 2505 days ago · 174 km deep · 73 km away
  28. 2.969 km SSE of Atka, Alaska · 2504 days ago · 29 km deep · 82 km away
  29. 1.734 km SW of Atka, Alaska · 2503 days ago · 68 km deep · 87 km away
  30. 2.348 km NNE of Atka, Alaska · 2499 days ago · 128 km deep · 47 km away
  31. 2.226 km SE of Atka, Alaska · 2499 days ago · 81 km deep · 45 km away
  32. 2.638 km SSW of Atka, Alaska · 2498 days ago · 35 km deep · 84 km away
  33. 2.431 km ESE of Atka, Alaska · 2498 days ago · 9 km deep · 33 km away
  34. 2.338 km SW of Atka, Alaska · 2496 days ago · 76 km deep · 92 km away
  35. 3.251 km SSW of Atka, Alaska · 2494 days ago · 60 km deep · 93 km away
  36. 2.790 km ENE of Atka, Alaska · 2493 days ago · 14 km deep · 34 km away
  37. 2.570 km ENE of Atka, Alaska · 2491 days ago · 19 km deep · 17 km away
  38. 2.7134 km E of Atka, Alaska · 2490 days ago · 28 km deep · 78 km away
  39. 2.531 km SSW of Atka, Alaska · 2489 days ago · 61 km deep · 81 km away
  40. 2.818 km SSE of Atka, Alaska · 2487 days ago · 211 km deep · 57 km away
  41. 2.261 km ESE of Atka, Alaska · 2486 days ago · 74 km deep · 23 km away
  42. 2.068 km ESE of Atka, Alaska · 2484 days ago · 81 km deep · 26 km away
  43. 2.997 km NNE of Atka, Alaska · 2484 days ago · 219 km deep · 84 km away
  44. 3.5120 km E of Atka, Alaska · 2484 days ago · 35 km deep · 64 km away
  45. 2.724 km W of Atka, Alaska · 2480 days ago · 35 km deep · 84 km away
  46. 2.072 km SSE of Atka, Alaska · 2479 days ago · 22 km deep · 89 km away
  47. 4.481 km SE of Atka, Alaska · 2476 days ago · 35 km deep · 74 km away

Before

  1. 3.466 km SE of Atka, Alaska · 2533 days ago · 47 km deep · 66 km away
  2. 2.751 km NNW of Atka, Alaska · 2535 days ago · 165 km deep · 91 km away
  3. 2.260 km ESE of Atka, Alaska · 2537 days ago · 74 km deep · 25 km away
  4. 2.4146 km ENE of Atka, Alaska · 2537 days ago · 87 km deep · 93 km away
  5. 2.270 km SE of Atka, Alaska · 2538 days ago · 46 km deep · 51 km away
  6. 3.375 km E of Atka, Alaska · 2539 days ago · 10 km deep · 19 km away
  7. 2.373 km ENE of Atka, Alaska · 2539 days ago · 26 km deep · 21 km away
  8. 3.285 km NNE of Atka, Alaska · 2542 days ago · 10 km deep · 69 km away
  9. 2.435 km SSW of Atka, Alaska · 2545 days ago · 194 km deep · 82 km away
  10. 1.628 km SW of Atka, Alaska · 2545 days ago · 63 km deep · 81 km away
  11. 1.974 km SSE of Atka, Alaska · 2546 days ago · 18 km deep · 85 km away
  12. 2.547 km SSE of Atka, Alaska · 2549 days ago · 35 km deep · 70 km away
  13. 1.816 km SW of Atka, Alaska · 2550 days ago · 17 km deep · 71 km away
  14. 2.562 km NNW of Atka, Alaska · 2551 days ago · 154 km deep · 92 km away
  15. 2.2117 km ESE of Atka, Alaska · 2551 days ago · 8 km deep · 77 km away
  16. 1.529 km SSW of Atka, Alaska · 2553 days ago · 75 km deep · 78 km away
  17. 1.647 km SSW of Atka, Alaska · 2553 days ago · 50 km deep · 93 km away
  18. 2.8107 km ESE of Atka, Alaska · 2554 days ago · 19 km deep · 64 km away
  19. 1.843 km S of Atka, Alaska · 2555 days ago · 25 km deep · 82 km away
  20. 1.7Andreanof Islands, Aleutian Islands, Alaska · 2555 days ago · 23 km deep · 83 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600063et (also filed as ak019dqsnsek). Read Thu, Oct 1, 2026, 5:00 PM UTC.