Alaska earthquakes

M1.6 earthquake 27 km WNW of Willow, Alaska

A magnitude 1.6 earthquake struck 27 km WNW of Willow, Alaska on Tue, Dec 4, 2018, 4:51 PM AKST (01:51 UTC), 46 km (29 mi) below the surface.

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

Willow 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: 1.6 (ml), micro
Local time: Tue, Dec 4, 2018, 4:51 PM AKST
UTC: 2018-12-05 01:51:39 UTC
Depth: 45.9 km (28.5 mi), shallow
Epicenter: 61.855° N, 150.503° 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: 30

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 ak018fko33kn (also filed as ak20443345). Read Wed, Sep 30, 2026, 3:53 AM UTC.