Alaska earthquakes

M5.2 earthquake 53 km W of Adak, Alaska

A magnitude 5.2 earthquake struck 53 km W of Adak, Alaska on Mon, Apr 2, 1973, 5:49 AM GMT-11 (16:49 UTC), 63 km (39 mi) below the surface.

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The earthquake

Magnitude
5.2 (mb), moderate
Local time
UTC
1973-04-02 16:49:29 UTC
Depth
63.0 km (39.1 mi), shallow
Epicenter
51.940° N, 177.402° 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.

Stations used
37

Nearby

Within 100 km, magnitude 2.2 and up: 4 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.944 km ENE of Adak, Alaska · 19528 days ago · 59 km deep · 96 km away
  2. 5.0134 km WSW of Adak, Alaska · 19527 days ago · 50 km deep · 92 km away
  3. 4.048 km NW of Adak, Alaska · 19523 days ago · 217 km deep · 37 km away
  4. 4.619 km S of Adak, Alaska · 19483 days ago · 56 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000016u. Read Tue, Sep 22, 2026, 8:21 AM UTC.