Alaska earthquakes

M5.8 earthquake 222 km WSW of Adak, Alaska

A magnitude 5.8 earthquake struck 222 km WSW of Adak, Alaska on Sat, May 26, 1973, 2:19 AM GMT-10 (12:19 UTC), 39 km (24 mi) below the surface.

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The earthquake

Magnitude
5.8 (mb), moderate
Local time
UTC
1973-05-26 12:19:34 UTC
Depth
39.0 km (24.2 mi), shallow
Epicenter
51.372° N, 179.743° 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
80

Nearby

Within 100 km, magnitude 2.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.9221 km WSW of Adak, Alaska · 19477 days ago · 56 km deep · 12 km away
  2. 4.1239 km WSW of Adak, Alaska · 19474 days ago · 46 km deep · 24 km away
  3. 5.8201 km WSW of Adak, Alaska · 19457 days ago · 48 km deep · 26 km away
  4. 5.4204 km WSW of Adak, Alaska · 19457 days ago · 50 km deep · 25 km away
  5. 4.4190 km WSW of Adak, Alaska · 19456 days ago · 51 km deep · 32 km away

Before

  1. 5.3207 km WSW of Adak, Alaska · 19493 days ago · 61 km deep · 15 km away
  2. 3.7186 km SW of Adak, Alaska · 19504 days ago · 33 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00001xw (also filed as ushis3232, iscgem760863). Read Tue, Sep 22, 2026, 8:51 AM UTC.