Alaska earthquakes

M3.2 earthquake 277 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 277 km SE of Chiniak, Alaska on Sat, Mar 3, 2018, 3:41 PM AKST (00:41 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M5.4 252 km ESE of Chiniak, Alaska. This one was a foreshock.

Kodiak 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: 3.2 (ml), minor
Local time: Sat, Mar 3, 2018, 3:41 PM AKST
UTC: 2018-03-04 00:41:54 UTC
Depth: 7.2 km (4.5 mi), shallow
Epicenter: 55.771° N, 149.222° 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, 9.3 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 253°, poorly surrounded by stations
Stations used: 30

Nearest places

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

Kodiak, AlaskaPopulation 6,253. Forecast296 kmSE

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 us1000d2m0 (also filed as ak0182w73s29, ak18655432). Read Tue, Sep 29, 2026, 7:13 AM UTC.