Alaska earthquakes

M4.5 earthquake 287 km W of Adak, Alaska

A magnitude 4.5 earthquake struck 287 km W of Adak, Alaska on Sun, Dec 24, 1995, 3:31 PM GMT+12 (03:31 UTC), 121 km (75 mi) below the surface.

A larger quake followed: M5.0 237 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1995-12-24 03:31:48 UTC
Depth
121.1 km (75.2 mi), intermediate-depth
Epicenter
51.878° N, 179.186° E
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
FROM_LOCATION

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00079ge. Read Mon, Oct 5, 2026, 1:34 AM UTC.