Alaska earthquakes

M4.5 earthquake 49 km SSW of Adak, Alaska

A magnitude 4.5 earthquake struck 49 km SSW of Adak, Alaska on Thu, Jul 4, 1996, 8:15 PM HADT (05:15 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.0 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 4.5 (mb), light
Local time: Thu, Jul 4, 1996, 8:15 PM HADT
UTC: 1996-07-05 05:15:05 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 51.474° N, 176.951° 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 1.5 and up: 40 in the 60 days after this one and at least 200 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007kr2 (also filed as ak9968lckajo). Read Mon, Sep 28, 2026, 2:29 PM UTC.