Alaska earthquakes

M2.5 earthquake 62 km NNW of Atka, Alaska

A magnitude 2.5 earthquake struck 62 km NNW of Atka, Alaska on Mon, Oct 7, 2019, 9:36 AM HADT (18:36 UTC), 154 km (96 mi) below the surface.

A larger quake followed: M3.9 59 km E 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
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-10-07 18:36:31 UTC
Depth
154.4 km (95.9 mi), intermediate-depth
Epicenter
52.744° N, 174.433° 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
2.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.5ML, 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 15.7 km horizontally, 15.5 km in depth
Depth from
From location
Station coverage gap
119°
Stations used
25

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.816 km SW of Atka, Alaska · 2551 days ago · 17 km deep · 74 km away
  2. 1.554 km W of Atka, Alaska · 2551 days ago · 13 km deep · 74 km away
  3. 1.843 km WSW of Atka, Alaska · 2546 days ago · 13 km deep · 75 km away
  4. 1.628 km SW of Atka, Alaska · 2546 days ago · 63 km deep · 83 km away
  5. 2.435 km SSW of Atka, Alaska · 2546 days ago · 194 km deep · 93 km away
  6. 1.759 km WSW of Atka, Alaska · 2546 days ago · 72 km deep · 85 km away
  7. 3.285 km NNE of Atka, Alaska · 2543 days ago · 10 km deep · 59 km away
  8. 2.499 km NNW of Atka, Alaska · 2540 days ago · 177 km deep · 38 km away
  9. 2.373 km ENE of Atka, Alaska · 2540 days ago · 26 km deep · 91 km away
  10. 2.991 km N of Atka, Alaska · 2537 days ago · 220 km deep · 29 km away
  11. 2.751 km NNW of Atka, Alaska · 2536 days ago · 165 km deep · 17 km away
  12. 3.959 km E of Atka, Alaska · 2533 days ago · 83 km deep · 92 km away
  13. 1.738 km WSW of Atka, Alaska · 2530 days ago · 69 km deep · 81 km away
  14. 2.637 km NNW of Atka, Alaska · 2529 days ago · 167 km deep · 25 km away
  15. 2.228 km N of Atka, AK · 2525 days ago · 127 km deep · 39 km away
  16. 2.050 km NNW of Atka, Alaska · 2525 days ago · 137 km deep · 14 km away
  17. 3.929 km E of Atka, Alaska · 2524 days ago · 9 km deep · 75 km away
  18. 1.628 km NE of Atka, Alaska · 2523 days ago · 12 km deep · 57 km away
  19. 2.997 km WNW of Atka, Alaska · 2520 days ago · 216 km deep · 79 km away
  20. 1.617 km ESE of Atka, Alaska · 2520 days ago · 3 km deep · 73 km away
  21. 1.919 km SSW of Atka, Alaska · 2515 days ago · 11 km deep · 77 km away
  22. 2.865 km N of Atka, Alaska · 2514 days ago · 200 km deep · 9 km away
  23. 1.833 km ENE of Atka, Alaska · 2513 days ago · 20 km deep · 63 km away
  24. 2.575 km NNW of Atka, Alaska · 2513 days ago · 169 km deep · 19 km away
  25. 1.66 km SSW of Atka, Alaska · 2511 days ago · 10 km deep · 69 km away
  26. 3.716 km NE of Atka, Alaska · 2510 days ago · 195 km deep · 58 km away
  27. 2.943 km N of Atka, Alaska · 2505 days ago · 174 km deep · 21 km away
  28. 1.943 km WSW of Atka, Alaska · 2505 days ago · 13 km deep · 84 km away
  29. 1.734 km SW of Atka, Alaska · 2504 days ago · 68 km deep · 89 km away
  30. 2.348 km NNE of Atka, Alaska · 2500 days ago · 128 km deep · 46 km away
  31. 2.226 km SE of Atka, Alaska · 2500 days ago · 81 km deep · 85 km away
  32. 2.638 km SSW of Atka, Alaska · 2499 days ago · 35 km deep · 98 km away
  33. 2.431 km ESE of Atka, Alaska · 2499 days ago · 9 km deep · 84 km away
  34. 2.4123 km NNW of Atka, Alaska · 2498 days ago · 162 km deep · 61 km away
  35. 2.338 km SW of Atka, Alaska · 2497 days ago · 76 km deep · 88 km away
  36. 2.252 km WSW of Atka, Alaska · 2495 days ago · 64 km deep · 91 km away

Before

  1. 1.529 km SSW of Atka, Alaska · 2554 days ago · 75 km deep · 88 km away
  2. 1.836 km SW of Atka, Alaska · 2561 days ago · 13 km deep · 90 km away
  3. 2.0Andreanof Islands, Aleutian Islands, Alaska · 2564 days ago · 90 km deep · 58 km away
  4. 1.5113 km NW of Atka, Alaska · 2565 days ago · 14 km deep · 66 km away
  5. 1.825 km ESE of Atka, Alaska · 2566 days ago · 31 km deep · 83 km away
  6. 2.558 km WSW of Atka, Alaska · 2572 days ago · 80 km deep · 84 km away
  7. 2.332 km NW of Atka, Alaska · 2573 days ago · 158 km deep · 42 km away
  8. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2575 days ago · 7 km deep · 70 km away
  9. 2.693 km NNW of Atka, Alaska · 2575 days ago · 159 km deep · 33 km away
  10. 3.04 km SSW of Atka, Alaska · 2576 days ago · 81 km deep · 66 km away
  11. 4.295 km NNE of Atka, Alaska · 2576 days ago · 221 km deep · 65 km away
  12. 4.124 km E of Atka, Alaska · 2579 days ago · 171 km deep · 75 km away
  13. 2.181 km W of Atka, Alaska · 2579 days ago · 75 km deep · 97 km away
  14. 2.356 km WSW of Atka, Alaska · 2579 days ago · 57 km deep · 94 km away
  15. 2.028 km SSW of Atka, Alaska · 2581 days ago · 55 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005ucc (also filed as ak019cvdes61). Read Fri, Oct 2, 2026, 9:36 AM UTC.