Alaska earthquakes

M1.5 earthquake 17 km SSW of Atka, Alaska

A magnitude 1.5 earthquake struck 17 km SSW of Atka, Alaska on Tue, Feb 9, 2021, 3:15 PM HAST (01:15 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M4.7 37 km SSW 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
1.5 (ml), micro
Local time
UTC
2021-02-10 01:15:06 UTC
Depth
11.8 km (7.3 mi), shallow
Epicenter
52.052° N, 174.312° 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: 97 in the 60 days after this one and 45 in the 30 days before it.

After

The first 60 of 97.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0211vtpw44 (also filed as av91019193). Read Thu, Sep 24, 2026, 3:05 PM UTC.