Alaska earthquakes

M4.7 earthquake 100 km SW of Adak, Alaska

A magnitude 4.7 earthquake struck 100 km SW of Adak, Alaska on Tue, Jun 11, 1996, 9:47 AM HADT (18:47 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.8 120 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 4.7 (mb), light
Local time: Tue, Jun 11, 1996, 9:47 AM HADT
UTC: 1996-06-11 18:47:38 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 51.351° N, 177.816° 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

Nearby

Within 100 km, magnitude 1.7 and up: 91 in the 60 days after this one and 108 in the 30 days before it.

After

The first 60 of 91.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007jm2 (also filed as ak9967hvlj1k). Read Tue, Sep 22, 2026, 3:38 PM UTC.