Alaska earthquakes

M5.9 earthquake 71 km SSE of Adak, Alaska

A magnitude 5.9 earthquake struck 71 km SSE of Adak, Alaska on Tue, Jun 11, 1996, 1:40 AM HADT (10:40 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: 5.9 (mwc), moderate
Local time: Tue, Jun 11, 1996, 1:40 AM HADT
UTC: 1996-06-11 10:40:08 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 51.276° N, 176.256° 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 252°, dip 25°, rake 99°
Nodal plane 2: Strike 63°, dip 66°, rake 86°

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 2.5 and up: 92 in the 60 days after this one and 100 in the 30 days before it.

After

The first 60 of 92.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007jjx (also filed as choy19960611104008, gcmtb061196c, gcmt19960611104008, ak9967hqshtv, iscgem969048). Read Tue, Sep 22, 2026, 8:49 PM UTC.