Alaska earthquakes

M4.8 earthquake 88 km SE of Atka, Alaska

A magnitude 4.8 earthquake struck 88 km SE of Atka, Alaska on Wed, Jan 3, 1979, 1:26 AM GMT-11 (12:26 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
4.8 (mb), light
Local time
UTC
1979-01-03 12:26:46 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.639° N, 173.289° 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
Stations used
88

Nearby

Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.894 km SE of Atka, Alaska · 17424 days ago · 43 km deep · 8 km away
  2. 4.456 km SSE of Atka, Alaska · 17390 days ago · 33 km deep · 46 km away

Before

  1. 4.680 km SE of Atka, Alaska · 17430 days ago · 35 km deep · 17 km away
  2. 5.290 km SE of Atka, Alaska · 17430 days ago · 33 km deep · 4 km away
  3. 5.180 km SE of Atka, Alaska · 17430 days ago · 31 km deep · 8 km away
  4. 4.891 km SE of Atka, Alaska · 17430 days ago · 35 km deep · 5 km away
  5. 4.187 km SE of Atka, Alaska · 17438 days ago · 33 km deep · 12 km away
  6. 4.394 km SE of Atka, Alaska · 17438 days ago · 33 km deep · 7 km away
  7. 4.3Andreanof Islands, Aleutian Islands, Alaska · 17438 days ago · 33 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000y91 (also filed as iscgemsup670554). Read Tue, Sep 22, 2026, 8:54 PM UTC.