Alaska earthquakes

M5.2 earthquake 129 km WSW of Adak, Alaska

A magnitude 5.2 earthquake struck 129 km WSW of Adak, Alaska on Sun, Aug 26, 1973, 2:07 PM GMT-10 (00:07 UTC), 59 km (37 mi) below the surface.

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The earthquake

Magnitude
5.2 (mb), moderate
Local time
UTC
1973-08-27 00:07:26 UTC
Depth
59.0 km (36.7 mi), shallow
Epicenter
51.461° N, 178.388° 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
42

Nearby

Within 100 km, magnitude 2.2 and up: 5 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.5191 km WSW of Adak, Alaska · 19384 days ago · 53 km deep · 62 km away
  2. 4.6193 km WSW of Adak, Alaska · 19384 days ago · 51 km deep · 63 km away
  3. 4.5187 km WSW of Adak, Alaska · 19384 days ago · 62 km deep · 60 km away
  4. 4.5202 km WSW of Adak, Alaska · 19384 days ago · 60 km deep · 73 km away
  5. 4.9190 km WSW of Adak, Alaska · 19372 days ago · 54 km deep · 61 km away

Before

  1. 5.3195 km WSW of Adak, Alaska · 19384 days ago · 48 km deep · 65 km away
  2. 4.6104 km WSW of Adak, Alaska · 19405 days ago · 55 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000037u. Read Tue, Sep 22, 2026, 7:11 AM UTC.