Alaska earthquakes

M2.9 earthquake 95 km SE of Atka, Alaska

A magnitude 2.9 earthquake struck 95 km SE of Atka, Alaska on Mon, Jul 18, 2022, 6:31 PM HADT (03:31 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.2 83 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: 2.9 (ml), micro
Local time: Mon, Jul 18, 2022, 6:31 PM HADT
UTC: 2022-07-19 03:31:42 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 51.659° N, 173.119° 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 5.9 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.12
Depth from: Operator assigned
Station coverage gap: 314°, poorly surrounded by stations
Stations used: 12

Nearby

Within 100 km, magnitude 1.5 and up: 112 in the 60 days after this one and 73 in the 30 days before it.

After

The first 60 of 112.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000i3pm (also filed as ak02296tggn8). Read Wed, Sep 30, 2026, 6:31 PM UTC.