Alaska earthquakes

M3.0 earthquake 231 km SE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 231 km SE of Chiniak, Alaska on Sun, Nov 18, 2018, 8:40 PM AKST (05:40 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.6 271 km SE of Chiniak, Alaska. This one was a foreshock.

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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: Sun, Nov 18, 2018, 8:40 PM AKST
UTC: 2018-11-19 05:40:29 UTC
Depth: 20.5 km (12.7 mi), shallow
Epicenter: 56.254° N, 149.408° 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 8.3 km horizontally, 10.4 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 185°, poorly surrounded by stations
Stations used: 68

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 177 in the 60 days after this one and 110 in the 30 days before it.

After

The first 60 of 177.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000hy6l (also filed as ak20416537, aacse018eu9swmg, ak018eu9swmg). Read Wed, Sep 30, 2026, 12:38 AM UTC.