Alaska earthquakes

M3.4 earthquake 59 km W of Adak, Alaska

A magnitude 3.4 earthquake struck 59 km W of Adak, Alaska on Wed, Dec 11, 1996, 4:31 AM HAST (14:31 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 117 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.4 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1996-12-11 14:31:38 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
51.880° N, 177.495° 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: 23 in the 60 days after this one and 9 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007u9a. Read Fri, Oct 2, 2026, 7:25 PM UTC.