Alaska earthquakes

M3.2 earthquake 218 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 218 km SE of Chiniak, Alaska on Wed, Feb 7, 2018, 7:14 PM AKST (04:14 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M5.2 228 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: 3.2 (ml), minor
Local time: Wed, Feb 7, 2018, 7:14 PM AKST
UTC: 2018-02-08 04:14:12 UTC
Depth: 27.8 km (17.2 mi), shallow
Epicenter: 56.039° N, 150.148° 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 9.3 km horizontally, 18.6 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 237°, poorly surrounded by stations
Stations used: 67

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 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000d3my (also filed as ak18413522, ak0181skfauw). Read Mon, Sep 28, 2026, 5:15 PM UTC.