Alaska earthquakes

M3.2 earthquake 244 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 244 km SE of Chiniak, Alaska on Tue, Nov 20, 2018, 1:33 PM AKST (22:33 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M3.3 240 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: 3.2 (ml), minor
Local time: Tue, Nov 20, 2018, 1:33 PM AKST
UTC: 2018-11-20 22:33:36 UTC
Depth: 24.4 km (15.2 mi), shallow
Epicenter: 56.196° N, 149.204° 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 9.3 km horizontally, 10.6 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 209°, poorly surrounded by stations
Stations used: 57

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 22 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 us1000hz2k (also filed as ak20420878, aacse018ew7f51h, ak018ew7f51h). Read Tue, Sep 22, 2026, 9:37 AM UTC.