Alaska earthquakes

M3.1 earthquake 209 km SSE of Old Harbor, Alaska

A magnitude 3.1 earthquake struck 209 km SSE of Old Harbor, Alaska on Fri, May 25, 2018, 7:50 AM AKDT (15:50 UTC), 10 km (6 mi) below the surface.

Womens Bay forecast More 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: Fri, May 25, 2018, 7:50 AM AKDT
UTC: 2018-05-25 15:50:25 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.528° N, 151.777° 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.

Location uncertainty: About 5.5 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 193°, poorly surrounded by stations
Stations used: 45

Nearest places

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

Womens Bay, AlaskaPopulation 719. Forecast246 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 4 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000ef7i (also filed as ak0186o25lsd, ak19662441, aacse0186o25lsd). Read Tue, Sep 22, 2026, 5:19 PM UTC.