Alaska earthquakes

M1.6 earthquake 48 km WNW of Nanwalek, Alaska

A magnitude 1.6 earthquake struck 48 km WNW of Nanwalek, Alaska on Sun, Sep 16, 2018, 2:09 PM AKDT (22:09 UTC), 80 km (50 mi) below the surface.

A larger quake followed: M4.2 19 km SSW of Anchor Point, Alaska. This one was a foreshock.

Anchor Point 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: Sun, Sep 16, 2018, 2:09 PM AKDT
UTC: 2018-09-16 22:09:11 UTC
Depth: 79.8 km (49.6 mi), intermediate-depth
Epicenter: 59.596° N, 152.638° 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: 41

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 200 in the 60 days after this one and 175 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018bwpcdjh (also filed as ak20255810). Read Wed, Sep 30, 2026, 2:19 AM UTC.