Alaska earthquakes

M4.1 earthquake 262 km W of Adak, Alaska

A magnitude 4.1 earthquake struck 262 km W of Adak, Alaska on Wed, Mar 26, 1997, 2:29 PM GMT+12 (02:29 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.6 288 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-03-26 02:29:23 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.782° N, 179.567° 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
OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 7 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007zec. Read Thu, Oct 1, 2026, 1:49 PM UTC.