Alaska earthquakes

M2.4 earthquake 8 km NW of Atka, Alaska

A magnitude 2.4 earthquake struck 8 km NW of Atka, Alaska on Tue, Aug 8, 2017, 5:39 AM HADT (14:39 UTC), 187 km (116 mi) below the surface.

A larger quake followed: M4.2 47 km NNW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.4 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Aug 8, 2017, 5:39 AM HADT
UTC: 2017-08-08 14:39:45 UTC
Depth: 186.9 km (116.1 mi), intermediate-depth
Epicenter: 52.244° N, 174.301° 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: 19

Nearby

Within 100 km, magnitude 1.5 and up: 64 in the 60 days after this one and 34 in the 30 days before it.

After

The first 60 of 64.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017a42svig (also filed as ak16483168). Read Fri, Oct 2, 2026, 10:01 AM UTC.