Alaska earthquakes

M4.8 earthquake 139 km WSW of Adak, Alaska

A magnitude 4.8 earthquake struck 139 km WSW of Adak, Alaska on Sun, Jun 9, 1996, 8:02 PM HADT (05:02 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: 4.8 (mb), light
Local time: Sun, Jun 9, 1996, 8:02 PM HADT
UTC: 1996-06-10 05:02:22 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 51.313° N, 178.429° 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 1.8 and up: 134 in the 60 days after this one and 17 in the 30 days before it.

After

The first 60 of 134.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007jd9 (also filed as ak9967g01v5d). Read Wed, Sep 30, 2026, 11:34 PM UTC.