Alaska earthquakes

M3.7 earthquake 252 km SW of Yakutat, Alaska

A magnitude 3.7 earthquake struck 252 km SW of Yakutat, Alaska on Mon, Nov 30, 1987, 12:50 PM AKST (21:50 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.8 228 km SW of Yakutat, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.7 (ml), minor
Local time
UTC
1987-11-30 21:50:34 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
58.128° N, 143.128° 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

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 57 in the 30 days before it.

After

The first 60 of 107.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003ar2. Read Tue, Sep 22, 2026, 11:19 AM UTC.