Alaska earthquakes

M3.2 earthquake 269 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 269 km SE of Chiniak, Alaska on Thu, Nov 1, 2018, 2:00 PM AKDT (22:00 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M4.1 271 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: Thu, Nov 1, 2018, 2:00 PM AKDT
UTC: 2018-11-01 22:00:17 UTC
Depth: 19.9 km (12.4 mi), shallow
Epicenter: 56.239° N, 148.638° 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 8.8 km horizontally, 9.5 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 213°, poorly surrounded by stations
Stations used: 102

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 20 in the 30 days before it.

After

The first 60 of 179.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000i7mt (also filed as ak20310204, aacse018e0s0fd9, ak018e0s0fd9). Read Tue, Sep 22, 2026, 3:51 AM UTC.