Alaska earthquakes

M3.4 earthquake 208 km SSE of Chiniak, Alaska

A magnitude 3.4 earthquake struck 208 km SSE of Chiniak, Alaska on Wed, Jan 24, 2018, 9:08 AM AKST (18:08 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.3 254 km SE of Chiniak, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.4 (ml), minor
Local time: Wed, Jan 24, 2018, 9:08 AM AKST
UTC: 2018-01-24 18:08:54 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.923° N, 150.791° 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 8.2 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 156°
Stations used: 76

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000ceiu (also filed as ak18192852, ak01813znz1z). Read Mon, Sep 28, 2026, 9:16 PM UTC.