Alaska earthquakes

M2.9 earthquake 178 km S of False Pass, Alaska

A magnitude 2.9 earthquake struck 178 km S of False Pass, Alaska on Sat, Mar 17, 2018, 3:38 PM AKDT (23:38 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M4.6 155 km S of False Pass, Alaska. This one was a foreshock.

King Cove 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: 2.9 (ml), micro
Local time: Sat, Mar 17, 2018, 3:38 PM AKDT
UTC: 2018-03-17 23:38:57 UTC
Depth: 22.6 km (14.1 mi), shallow
Epicenter: 53.276° N, 162.938° 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 9.2 km horizontally, 20.6 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 231°, poorly surrounded by stations
Stations used: 22

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast203 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 94 in the 60 days after this one and 20 in the 30 days before it.

After

The first 60 of 94.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000d8h0 (also filed as ak0183i2rm5a, ak18744871). Read Wed, Sep 30, 2026, 11:13 PM UTC.