Alaska earthquakes

M5.8 earthquake 120 km WSW of Adak, Alaska

A magnitude 5.8 earthquake struck 120 km WSW of Adak, Alaska on Tue, Jun 11, 1996, 5:16 PM HADT (02:16 UTC), 33 km (21 mi) below the surface.

Map

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

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The earthquake

Magnitude: 5.8 (mwc), moderate
Local time: Tue, Jun 11, 1996, 5:16 PM HADT
UTC: 1996-06-12 02:16:48 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 51.420° N, 178.214° 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 266°, dip 23°, rake 116°
Nodal plane 2: Strike 59°, dip 70°, rake 80°

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 2.8 and up: 78 in the 60 days after this one and 103 in the 30 days before it.

After

The first 60 of 78.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007jms (also filed as choy19960612021648, gcmtb061296b, gcmt19960612021648, ak9967j9fbbx, iscgem969349). Read Tue, Sep 29, 2026, 11:01 AM UTC.