Alaska earthquakes

M3.3 earthquake 75 km E of Atka, Alaska

A magnitude 3.3 earthquake struck 75 km E of Atka, Alaska on Sat, Oct 19, 2019, 8:28 PM HADT (05:28 UTC), 10 km (6 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
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-10-20 05:28:17 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.164° N, 173.098° 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
3.3ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
3.3ML, 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 3.6 km horizontally, 1.0 km in depth
Depth from
Operator assigned
Station coverage gap
192°, poorly surrounded by stations
Stations used
31

Nearby

Within 100 km, magnitude 1.5 and up: 45 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 2.270 km SE of Atka, Alaska · 2538 days ago · 46 km deep · 45 km away
  2. 2.4146 km ENE of Atka, Alaska · 2537 days ago · 87 km deep · 89 km away
  3. 2.260 km ESE of Atka, Alaska · 2537 days ago · 74 km deep · 23 km away
  4. 3.466 km SE of Atka, Alaska · 2533 days ago · 47 km deep · 64 km away
  5. 3.959 km E of Atka, Alaska · 2532 days ago · 83 km deep · 19 km away
  6. 2.069 km S of Atka, Alaska · 2529 days ago · 27 km deep · 93 km away
  7. 2.637 km NNW of Atka, Alaska · 2529 days ago · 167 km deep · 93 km away
  8. 2.228 km N of Atka, AK · 2525 days ago · 127 km deep · 78 km away
  9. 3.929 km E of Atka, Alaska · 2523 days ago · 9 km deep · 46 km away
  10. 2.3110 km SE of Atka, Alaska · 2523 days ago · 23 km deep · 88 km away
  11. 4.893 km ENE of Atka, Alaska · 2522 days ago · 128 km deep · 41 km away · tsunami flag
  12. 1.628 km NE of Atka, Alaska · 2522 days ago · 12 km deep · 58 km away
  13. 2.172 km ESE of Atka, Alaska · 2522 days ago · 63 km deep · 24 km away
  14. 1.617 km ESE of Atka, Alaska · 2519 days ago · 3 km deep · 58 km away
  15. 1.6Andreanof Islands, Aleutian Islands, Alaska · 2517 days ago · 52 km deep · 96 km away
  16. 2.170 km SSE of Atka, Alaska · 2517 days ago · 28 km deep · 79 km away
  17. 1.864 km SSE of Atka, Alaska · 2516 days ago · 19 km deep · 64 km away
  18. 1.919 km SSW of Atka, Alaska · 2514 days ago · 11 km deep · 86 km away
  19. 2.3103 km ESE of Atka, Alaska · 2514 days ago · 14 km deep · 47 km away
  20. 2.8158 km E of Atka, Alaska · 2513 days ago · 33 km deep · 83 km away
  21. 1.833 km ENE of Atka, Alaska · 2513 days ago · 20 km deep · 50 km away
  22. 2.067 km SE of Atka, Alaska · 2511 days ago · 32 km deep · 56 km away
  23. 1.66 km SSW of Atka, Alaska · 2510 days ago · 10 km deep · 77 km away
  24. 3.716 km NE of Atka, Alaska · 2509 days ago · 195 km deep · 64 km away
  25. 2.372 km ESE of Atka, Alaska · 2508 days ago · 61 km deep · 17 km away
  26. 4.381 km SSE of Atka, Alaska · 2508 days ago · 39 km deep · 72 km away
  27. 2.889 km ENE of Atka, Alaska · 2505 days ago · 136 km deep · 25 km away
  28. 2.943 km N of Atka, Alaska · 2505 days ago · 174 km deep · 93 km away
  29. 2.969 km SSE of Atka, Alaska · 2504 days ago · 29 km deep · 83 km away
  30. 1.734 km SW of Atka, Alaska · 2503 days ago · 68 km deep · 99 km away
  31. 2.348 km NNE of Atka, Alaska · 2499 days ago · 128 km deep · 66 km away
  32. 2.226 km SE of Atka, Alaska · 2499 days ago · 81 km deep · 56 km away
  33. 2.638 km SSW of Atka, Alaska · 2498 days ago · 35 km deep · 94 km away
  34. 2.431 km ESE of Atka, Alaska · 2498 days ago · 9 km deep · 45 km away
  35. 2.790 km ENE of Atka, Alaska · 2493 days ago · 14 km deep · 34 km away
  36. 2.570 km ENE of Atka, Alaska · 2491 days ago · 19 km deep · 27 km away
  37. 2.7134 km E of Atka, Alaska · 2490 days ago · 28 km deep · 60 km away
  38. 2.531 km SSW of Atka, Alaska · 2489 days ago · 61 km deep · 93 km away
  39. 2.818 km SSE of Atka, Alaska · 2487 days ago · 211 km deep · 69 km away
  40. 2.261 km ESE of Atka, Alaska · 2486 days ago · 74 km deep · 20 km away
  41. 2.068 km ESE of Atka, Alaska · 2484 days ago · 81 km deep · 17 km away
  42. 2.997 km NNE of Atka, Alaska · 2484 days ago · 219 km deep · 99 km away
  43. 3.5120 km E of Atka, Alaska · 2484 days ago · 35 km deep · 45 km away
  44. 2.724 km W of Atka, Alaska · 2480 days ago · 35 km deep · 100 km away
  45. 2.072 km SSE of Atka, Alaska · 2479 days ago · 22 km deep · 90 km away

Before

  1. 2.373 km ENE of Atka, Alaska · 2539 days ago · 26 km deep · 30 km away
  2. 3.285 km NNE of Atka, Alaska · 2542 days ago · 10 km deep · 85 km away
  3. 2.435 km SSW of Atka, Alaska · 2545 days ago · 194 km deep · 94 km away
  4. 1.628 km SW of Atka, Alaska · 2545 days ago · 63 km deep · 94 km away
  5. 1.974 km SSE of Atka, Alaska · 2546 days ago · 18 km deep · 84 km away
  6. 2.547 km SSE of Atka, Alaska · 2549 days ago · 35 km deep · 75 km away
  7. 1.816 km SW of Atka, Alaska · 2550 days ago · 17 km deep · 85 km away
  8. 2.2117 km ESE of Atka, Alaska · 2551 days ago · 8 km deep · 59 km away
  9. 2.8171 km E of Atka, Alaska · 2553 days ago · 26 km deep · 96 km away
  10. 1.529 km SSW of Atka, Alaska · 2553 days ago · 75 km deep · 89 km away
  11. 2.8107 km ESE of Atka, Alaska · 2554 days ago · 19 km deep · 46 km away
  12. 1.843 km S of Atka, Alaska · 2555 days ago · 25 km deep · 90 km away
  13. 1.7Andreanof Islands, Aleutian Islands, Alaska · 2555 days ago · 23 km deep · 91 km away
  14. 1.951 km SE of Atka, Alaska · 2556 days ago · 44 km deep · 58 km away
  15. 1.972 km SSE of Atka, Alaska · 2557 days ago · 5 km deep · 79 km away
  16. 1.874 km S of Atka, Alaska · 2558 days ago · 6 km deep · 100 km away
  17. 1.868 km SSE of Atka, Alaska · 2564 days ago · 46 km deep · 71 km away
  18. 2.1134 km E of Atka, Alaska · 2564 days ago · 52 km deep · 60 km away
  19. 1.825 km ESE of Atka, Alaska · 2565 days ago · 31 km deep · 54 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60006btf (also filed as ak019dgnlwsv). Read Thu, Oct 1, 2026, 5:00 PM UTC.