Alaska earthquakes

M2.6 earthquake 94 km N of Atka, Alaska

A magnitude 2.6 earthquake struck 94 km N of Atka, Alaska on Wed, Jul 21, 2021, 9:19 AM HADT (18:19 UTC), 248 km (154 mi) below the surface.

A larger quake followed: M2.7 37 km N of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.6 (ml), micro
Local time
UTC
2021-07-21 18:19:39 UTC
Depth
247.8 km (154.0 mi), intermediate-depth
Epicenter
53.041° N, 174.251° 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
22

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 12 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219ade29e. Read Thu, Sep 24, 2026, 8:59 AM UTC.