Alaska earthquakes

M1.6 earthquake 39 km SE of Fox River, Alaska

A magnitude 1.6 earthquake struck 39 km SE of Fox River, Alaska on Fri, Feb 23, 2018, 11:09 AM AKST (20:09 UTC), 41 km (25 mi) below the surface.

A larger quake followed: M4.3 14 km SSW of Nanwalek, Alaska. This one was a foreshock.

Fox River 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: 1.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Fri, Feb 23, 2018, 11:09 AM AKST
UTC: 2018-02-23 20:09:15 UTC
Depth: 40.6 km (25.2 mi), shallow
Epicenter: 59.615° N, 150.451° 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: 19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 104 in the 60 days after this one and 28 in the 30 days before it.

After

The first 60 of 104.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0182hmzdeh (also filed as ak18503697). Read Mon, Oct 5, 2026, 12:25 AM UTC.