Alaska earthquakes

M4.3 earthquake 147 km WSW of Adak, Alaska

A magnitude 4.3 earthquake struck 147 km WSW of Adak, Alaska on Sun, Jun 23, 1996, 10:26 PM HADT (07:26 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: 4.3 (mb), light
Local time: Sun, Jun 23, 1996, 10:26 PM HADT
UTC: 1996-06-24 07:26:05 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 51.350° N, 178.589° 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: 29 in the 60 days after this one and 118 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 usp0007k6x (also filed as ak996836wp7p). Read Wed, Sep 30, 2026, 8:54 PM UTC.