Alaska earthquakes

M3.0 earthquake 296 km ESE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 296 km ESE of Chiniak, Alaska on Thu, Apr 26, 2018, 5:58 AM AKDT (13:58 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.1 253 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: 3.0 (ml), minor
Local time: Thu, Apr 26, 2018, 5:58 AM AKDT
UTC: 2018-04-26 13:58:16 UTC
Depth: 17.9 km (11.1 mi), shallow
Epicenter: 56.404° N, 147.928° 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 4.5 km horizontally, 8.3 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 216°, poorly surrounded by stations
Stations used: 54

Nearest places

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

Anchorage, AlaskaPopulation 289,600. Forecast547 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000dsx4 (also filed as ak0185c2fd6c, ak19278830). Read Tue, Sep 22, 2026, 10:42 AM UTC.