Alaska earthquakes

M2.4 earthquake 29 km E of Atka, Alaska

A magnitude 2.4 earthquake struck 29 km E of Atka, Alaska on Wed, Jul 14, 2021, 3:26 PM HADT (00:26 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.7 67 km ESE of Atka, Alaska. This one was a foreshock.

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
2.4 (ml), micro
Local time
UTC
2021-07-15 00:26:09 UTC
Depth
11.4 km (7.1 mi), shallow
Epicenter
52.204° N, 173.772° 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
35

Nearby

Within 100 km, magnitude 1.5 and up: 116 in the 60 days after this one and 29 in the 30 days before it.

After

The first 60 of 116.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021905hm5f. Read Thu, Sep 24, 2026, 12:34 PM UTC.