Alaska earthquakes

M1.5 earthquake 40 km E of Atka, Alaska

A magnitude 1.5 earthquake struck 40 km E of Atka, Alaska on Wed, Mar 24, 2021, 3:32 PM HADT (00:32 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M5.1 75 km SE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.5 (ml), micro
Local time
UTC
2021-03-25 00:32:32 UTC
Depth
13.0 km (8.1 mi), shallow
Epicenter
52.210° N, 173.605° 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
16

Nearby

Within 100 km, magnitude 1.5 and up: 58 in the 60 days after this one and 37 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 ak0213uxc2xe. Read Thu, Sep 24, 2026, 12:44 PM UTC.