Alaska earthquakes

M3.8 earthquake 193 km WSW of Adak, Alaska

A magnitude 3.8 earthquake struck 193 km WSW of Adak, Alaska on Wed, Apr 30, 1997, 3:53 PM HADT (00:53 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.4 195 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.8 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-05-01 00:53:04 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.275° N, 179.260° 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: 12 in the 60 days after this one and 1 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 usp00081hw. Read Thu, Oct 1, 2026, 9:16 AM UTC.