Alaska earthquakes

M5.5 earthquake 87 km ENE of McCarthy, Alaska

A magnitude 5.5 earthquake struck 87 km ENE of McCarthy, Alaska on Sun, Nov 22, 1987, 10:18 PM AKST (07:18 UTC), 5 km (3 mi) below the surface.

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The earthquake

Magnitude: 5.5 (mw), moderate
Local time: Sun, Nov 22, 1987, 10:18 PM AKST
UTC: 1987-11-23 07:18:20 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 61.616° N, 141.323° 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 2.5 and up: 9 in the 60 days after this one and 0 in the 30 days before it.

After

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003acn (also filed as gcmtb112387a, ushis4047, gcmt19871123071821, iscgem453581). Read Thu, Sep 24, 2026, 4:52 AM UTC.