Alaska earthquakes

M2.7 earthquake 17 km S of Atka, Alaska

A magnitude 2.7 earthquake struck 17 km S of Atka, Alaska on Tue, Aug 16, 2022, 1:10 AM HADT (10:10 UTC), 87 km (54 mi) below the surface.

A larger quake followed: M4.0 87 km SSE of Atka, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude: 2.7 (ml), micro
Local time: Tue, Aug 16, 2022, 1:10 AM HADT
UTC: 2022-08-16 10:10:57 UTC
Depth: 87.3 km (54.3 mi), intermediate-depth
Epicenter: 52.037° N, 174.185° 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.

Location uncertainty: About 15.3 km horizontally, 23.0 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 192°, poorly surrounded by stations
Stations used: 12

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 101 in the 30 days before it.

After

The first 60 of 117.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000iniy (also filed as ak022ah8jqbz). Read Wed, Sep 30, 2026, 3:07 PM UTC.