Alaska earthquakes

M3.0 earthquake 254 km ESE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 254 km ESE of Chiniak, Alaska on Tue, Nov 6, 2018, 1:11 PM AKST (22:11 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.7 251 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: Tue, Nov 6, 2018, 1:11 PM AKST
UTC: 2018-11-06 22:11:08 UTC
Depth: 20.9 km (13.0 mi), shallow
Epicenter: 56.499° N, 148.623° 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 7.8 km horizontally, 10.2 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 203°, poorly surrounded by stations
Stations used: 34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 29 in the 30 days before it.

After

The first 60 of 170.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000hrfi (also filed as ak20357585, ak018e91ri3n, aacse018e91ri3n). Read Tue, Sep 22, 2026, 8:33 PM UTC.