Alaska earthquakes

M2.8 earthquake 241 km ESE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 241 km ESE of Chiniak, Alaska on Fri, Nov 9, 2018, 10:52 PM AKST (07:52 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M3.1 249 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: 2.8 (ml), micro
Local time: Fri, Nov 9, 2018, 10:52 PM AKST
UTC: 2018-11-10 07:52:07 UTC
Depth: 22.4 km (13.9 mi), shallow
Epicenter: 56.642° N, 148.719° 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, 11.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 234°, poorly surrounded by stations
Stations used: 58

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 155 in the 60 days after this one and 44 in the 30 days before it.

After

The first 60 of 155.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000huab (also filed as ak20384256, aacse018eff86ct, ak018eff86ct). Read Tue, Sep 22, 2026, 4:25 AM UTC.