Alaska earthquakes

M4.9 earthquake 91 km S of Atka, Alaska

A magnitude 4.9 earthquake struck 91 km S of Atka, Alaska on Wed, Jan 13, 2021, 7:13 PM HAST (05:13 UTC), 19 km (12 mi) below the surface.

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The earthquake

Magnitude: 4.9 (mb), light
Local time: Wed, Jan 13, 2021, 7:13 PM HAST
UTC: 2021-01-14 05:13:47 UTC
Depth: 19.3 km (12.0 mi), shallow
Epicenter: 51.383° N, 174.061° 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.

Location uncertainty: About 6.0 km horizontally, 1.6 km in depth
Magnitude uncertainty: ±0.04
Depth from: From location
Station coverage gap: 140°
Stations used: 127

Nearby

Within 100 km, magnitude 1.9 and up: 69 in the 60 days after this one and 32 in the 30 days before it.

After

The first 60 of 69.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000d87l (also filed as ak021n8kx8n, iscgem619715765, ak021n8kx3v). Read Fri, Sep 25, 2026, 11:50 PM UTC.