Alaska earthquakes

M2.6 earthquake 224 km SE of Chiniak, Alaska

A magnitude 2.6 earthquake struck 224 km SE of Chiniak, Alaska on Sat, Apr 14, 2018, 1:28 AM AKDT (09:28 UTC), 20 km (13 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: 2.6 (ml), micro
Local time: Sat, Apr 14, 2018, 1:28 AM AKDT
UTC: 2018-04-14 09:28:18 UTC
Depth: 20.4 km (12.7 mi), shallow
Epicenter: 56.471° N, 149.234° 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 5.8 km horizontally, 11.0 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 233°, poorly surrounded by stations
Stations used: 28

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

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000dnq6 (also filed as ak19244182, ak0184s5f1ni). Read Sat, Sep 26, 2026, 10:28 PM UTC.