Alaska earthquakes

M3.8 earthquake 137 km SE of Atka, Alaska

A magnitude 3.8 earthquake struck 137 km SE of Atka, Alaska on Mon, Dec 26, 2016, 6:49 PM HAST (04:49 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.0 146 km SSE 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
3.8 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-12-27 04:49:53 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
51.215° N, 172.991° 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.

Location uncertainty
About 10.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
227°, poorly surrounded by stations
Stations used
41

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.558 km ESE of Atka, Alaska · 3566 days ago · 48 km deep · 90 km away
  2. 2.8112 km SSE of Atka, Alaska · 3559 days ago · 10 km deep · 32 km away
  3. 2.8115 km SSE of Atka, Alaska · 3559 days ago · 10 km deep · 31 km away
  4. 2.7129 km SE of Atka, Alaska · 3558 days ago · 10 km deep · 8 km away
  5. 2.357 km ESE of Atka, Alaska · 3547 days ago · 63 km deep · 93 km away
  6. 3.986 km SE of Atka, Alaska · 3547 days ago · 31 km deep · 56 km away
  7. 2.9103 km SE of Atka, Alaska · 3547 days ago · 52 km deep · 38 km away
  8. 2.8Andreanof Islands, Aleutian Islands, Alaska · 3547 days ago · 44 km deep · 10 km away
  9. 2.881 km SE of Atka, Alaska · 3547 days ago · 32 km deep · 63 km away
  10. 2.799 km SE of Atka, Alaska · 3547 days ago · 34 km deep · 40 km away
  11. 2.8119 km SE of Atka, Alaska · 3547 days ago · 31 km deep · 23 km away
  12. 3.789 km SE of Atka, Alaska · 3541 days ago · 31 km deep · 49 km away
  13. 2.9101 km S of Atka, Alaska · 3519 days ago · 26 km deep · 97 km away
  14. 3.590 km SSE of Atka, Alaska · 3517 days ago · 43 km deep · 49 km away
  15. 4.0146 km SSE of Atka, Alaska · 3515 days ago · 46 km deep · 18 km away
  16. 3.2104 km SE of Atka, Alaska · 3513 days ago · 10 km deep · 34 km away
  17. 3.1100 km SE of Atka, Alaska · 3513 days ago · 16 km deep · 38 km away
  18. 2.5103 km SE of Atka, Alaska · 3513 days ago · 33 km deep · 34 km away
  19. 2.6101 km SE of Atka, Alaska · 3513 days ago · 8 km deep · 37 km away
  20. 3.597 km SE of Atka, Alaska · 3513 days ago · 5 km deep · 40 km away
  21. 2.466 km SSE of Atka, Alaska · 3513 days ago · 56 km deep · 77 km away
  22. 3.056 km SSE of Atka, Alaska · 3509 days ago · 25 km deep · 84 km away

Before

  1. 3.8146 km SSE of Atka, Alaska · 3569 days ago · 38 km deep · 22 km away
  2. 3.292 km SE of Atka, Alaska · 3574 days ago · 36 km deep · 55 km away
  3. 3.9126 km SE of Atka, Alaska · 3575 days ago · 10 km deep · 12 km away
  4. 2.764 km SE of Atka, Alaska · 3581 days ago · 19 km deep · 77 km away
  5. 3.6164 km SSE of Atka, Alaska · 3582 days ago · 23 km deep · 64 km away
  6. 3.5156 km S of Atka, Alaska · 3583 days ago · 10 km deep · 79 km away
  7. 2.475 km ESE of Atka, Alaska · 3584 days ago · 46 km deep · 78 km away
  8. 2.071 km SE of Atka, Alaska · 3588 days ago · 20 km deep · 68 km away
  9. 3.167 km SSE of Atka, Alaska · 3589 days ago · 30 km deep · 74 km away
  10. 2.1100 km S of Atka, Alaska · 3592 days ago · 15 km deep · 98 km away
  11. 2.699 km ESE of Atka, Alaska · 3596 days ago · 43 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10007t48. Read Sat, Oct 3, 2026, 10:56 AM UTC.