Alaska earthquakes

M4.3 earthquake 58 km S of Adak, Alaska

A magnitude 4.3 earthquake struck 58 km S of Adak, Alaska on Sun, Jun 9, 1996, 8:59 PM HADT (05:59 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.1 74 km S of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 4.3 (mb), light
Local time: Sun, Jun 9, 1996, 8:59 PM HADT
UTC: 1996-06-10 05:59:03 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 51.352° N, 176.573° 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: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007jdn (also filed as ak9967g0e1ky). Read Tue, Sep 22, 2026, 11:33 PM UTC.