Alaska earthquakes

M2.6 earthquake 171 km SSE of Old Harbor, Alaska

A magnitude 2.6 earthquake struck 171 km SSE of Old Harbor, Alaska on Fri, Feb 2, 2018, 11:57 AM AKST (20:57 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.6 105 km SSE of Akhiok, Alaska. This one was a foreshock.

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: 2.6 (ml), micro
Local time: Fri, Feb 2, 2018, 11:57 AM AKST
UTC: 2018-02-02 20:57:03 UTC
Depth: 9.4 km (5.8 mi), shallow
Epicenter: 55.859° N, 151.930° 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 7.1 km horizontally, 8.6 km in depth
Depth from: From location
Station coverage gap: 242°, poorly surrounded by stations
Stations used: 51

Nearest places

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

Womens Bay, AlaskaPopulation 719. Forecast208 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 34 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 us2000czxt (also filed as ak18417713, ak0181iwzcoh). Read Mon, Sep 28, 2026, 10:53 AM UTC.