Alaska earthquakes

M3.2 earthquake 250 km WSW of Adak, Alaska

A magnitude 3.2 earthquake struck 250 km WSW of Adak, Alaska on Sun, Jul 11, 2021, 1:47 PM GMT-12 (01:47 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M3.9 220 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.2 (ml), minor
Local time
UTC
2021-07-12 01:47:53 UTC
Depth
25.7 km (16.0 mi), shallow
Epicenter
50.928° N, 179.900° 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
53

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 34 in the 30 days before it.

After

The first 60 of 108.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0218v7llnw. Read Thu, Sep 24, 2026, 3:02 PM UTC.