Alaska earthquakes

M2.8 earthquake 247 km ESE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 247 km ESE of Chiniak, Alaska on Thu, Nov 15, 2018, 8:02 PM AKST (05:02 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.4 250 km ESE 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: Thu, Nov 15, 2018, 8:02 PM AKST
UTC: 2018-11-16 05:02:13 UTC
Depth: 20.6 km (12.8 mi), shallow
Epicenter: 56.684° N, 148.565° 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 6.5 km horizontally, 10.8 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 210°, poorly surrounded by stations
Stations used: 33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 65 in the 30 days before it.

After

The first 60 of 133.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000hx5i (also filed as ak20410702, aacse018epayooy, ak018epayooy). Read Tue, Sep 22, 2026, 9:38 AM UTC.