Alaska earthquakes

M2.8 earthquake 86 km E of McCarthy, Alaska

A magnitude 2.8 earthquake struck 86 km E of McCarthy, Alaska on Thu, Aug 19, 2021, 5:52 PM AKDT (01:52 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.6 52 km SSW of Alcan Border, Alaska. This one was a foreshock.

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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: 2.8 (ml), micro
Local time: Thu, Aug 19, 2021, 5:52 PM AKDT
UTC: 2021-08-20 01:52:40 UTC
Depth: 4.1 km (2.5 mi), shallow
Epicenter: 61.558° N, 141.328° 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: 56

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 8 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021anpl6iz (also filed as us7000f6kf). Read Tue, Sep 29, 2026, 8:21 AM UTC.