Alaska earthquakes

M5.3 earthquake 83 km SSW of Atka, Alaska

A magnitude 5.3 earthquake struck 83 km SSW of Atka, Alaska on Tue, Jan 12, 1988, 5:58 PM HAST (03:58 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude: 5.3 (mw), moderate
Local time: Tue, Jan 12, 1988, 5:58 PM HAST
UTC: 1988-01-13 03:58:02 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 51.509° N, 174.703° 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 2.3 and up: 11 in the 60 days after this one and 8 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003c0p (also filed as gcmtb011388d, gcmt19880113035803, iscgem447787). Read Tue, Sep 22, 2026, 10:32 PM UTC.