Alaska earthquakes

M2.8 earthquake 84 km ENE of Chignik, Alaska

A magnitude 2.8 earthquake struck 84 km ENE of Chignik, Alaska on Mon, Dec 31, 2018, 12:32 AM AKST (09:32 UTC), 83 km (51 mi) below the surface.

A larger quake followed: M3.0 46 km SW of Pilot Point, Alaska. This one was a foreshock.

Naknek forecast More in Alaska

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: Mon, Dec 31, 2018, 12:32 AM AKST
UTC: 2018-12-31 09:32:13 UTC
Depth: 82.8 km (51.4 mi), intermediate-depth
Epicenter: 56.542° N, 157.115° 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.

Stations used: 32

Nearest places

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

Naknek, AlaskaPopulation 544. Forecast243 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 19 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018grspgo0 (also filed as ak20608415, us2000j7gv, aacse018grspgo0). Read Tue, Sep 22, 2026, 11:28 PM UTC.