Alaska earthquakes

M1.8 earthquake 6 km NW of Point MacKenzie, Alaska

A magnitude 1.8 earthquake struck 6 km NW of Point MacKenzie, Alaska on Tue, Dec 4, 2018, 7:31 AM AKST (16:31 UTC), 40 km (25 mi) below the surface.

A larger quake followed: M5.0 7 km SSE of Point MacKenzie, Alaska. This one was a foreshock.

Point MacKenzie forecast More in Alaska

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 1.8 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Dec 4, 2018, 7:31 AM AKST
UTC: 2018-12-04 16:31:48 UTC
Depth: 39.9 km (24.8 mi), shallow
Epicenter: 61.397° N, 150.067° 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: 27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018fj9czhs (also filed as ak20442443). Read Thu, Oct 1, 2026, 11:00 AM UTC.