Alaska earthquakes

M3.5 earthquake 209 km ESE of Chiniak, Alaska

A magnitude 3.5 earthquake struck 209 km ESE of Chiniak, Alaska on Tue, Apr 3, 2018, 7:11 PM AKDT (03:11 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M5.5 276 km ESE 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: 3.5 (ml), minor
Local time: Tue, Apr 3, 2018, 7:11 PM AKDT
UTC: 2018-04-04 03:11:24 UTC
Depth: 11.8 km (7.3 mi), shallow
Epicenter: 56.772° N, 149.186° 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.

Stations used: 130

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

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0184bidc0o (also filed as ak18945403, us1000de0b). Read Tue, Sep 29, 2026, 10:14 PM UTC.