Alaska earthquakes

M6.5 earthquake 111 km WSW of Adak, Alaska

A magnitude 6.5 earthquake struck 111 km WSW of Adak, Alaska on Sat, Jun 8, 1996, 2:19 PM HADT (23:19 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M7.9 77 km WSW of Adak, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 6.5 (mwc), strong
Local time: Sat, Jun 8, 1996, 2:19 PM HADT
UTC: 1996-06-08 23:19:15 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 51.491° N, 178.128° 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Reverse (thrust)
Nodal plane 1: Strike 262°, dip 24°, rake 114°
Nodal plane 2: Strike 56°, dip 69°, rake 80°

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 3.5 and up: 181 in the 60 days after this one and 2 in the 30 days before it.

After

The first 60 of 181.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007jbb (also filed as choy19960608231915, gcmtc060896e, gcmt19960608231915, ak9967czsloj, iscgem968349). Read Mon, Sep 28, 2026, 9:11 PM UTC.