Alaska earthquakes

M3.4 earthquake 47 km W of Nanwalek, Alaska

A magnitude 3.4 earthquake struck 47 km W of Nanwalek, Alaska on Mon, Jan 11, 2021, 5:34 AM AKST (14:34 UTC), 80 km (50 mi) below the surface.

A larger quake followed: M4.3 72 km SSW of Nanwalek, 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.

Open the live map with earthquakes

The earthquake

Magnitude: 3.4 (ml), minor
Local time: Mon, Jan 11, 2021, 5:34 AM AKST
UTC: 2021-01-11 14:34:24 UTC
Depth: 80.1 km (49.8 mi), intermediate-depth
Epicenter: 59.442° N, 152.748° W
Region: Alaska
Felt reports: 2
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Stations used: 237

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 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021ifg83p (also filed as ak021ifg81u, us6000d7f8). Read Tue, Sep 29, 2026, 8:52 PM UTC.