Alaska earthquakes

M3.1 earthquake 25 km NNE of Whittier, Alaska

A magnitude 3.1 earthquake struck 25 km NNE of Whittier, Alaska on Mon, Nov 9, 1987, 10:38 AM AKST (19:38 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M3.2 20 km NNW of Girdwood, Alaska. This one was a foreshock.

Girdwood forecastMore in Alaska

Map

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

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The earthquake

Magnitude
3.1 (ml), minor
Local time
UTC
1987-11-09 19:38:26 UTC
Depth
29.2 km (18.1 mi), shallow
Epicenter
60.991° N, 148.542° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 3 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003a0n. Read Tue, Sep 22, 2026, 8:59 AM UTC.