Alaska earthquakes

M3.1 earthquake 55 km S of Atka, Alaska

A magnitude 3.1 earthquake struck 55 km S of Atka, Alaska on Sun, May 8, 2022, 4:18 PM HADT (01:18 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M3.9 66 km E of Atka, Alaska. This one was a foreshock.

Map

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

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The earthquake

Magnitude: 3.1 (ml), minor
Local time: Sun, May 8, 2022, 4:18 PM HADT
UTC: 2022-05-09 01:18:28 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 51.702° N, 174.077° 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 4.2 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.13
Depth from: Operator assigned
Station coverage gap: 271°, poorly surrounded by stations
Stations used: 13

Nearby

Within 100 km, magnitude 1.5 and up: 184 in the 60 days after this one and 63 in the 30 days before it.

After

The first 60 of 184.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000i1va (also filed as ak0225xd14o1). Read Thu, Oct 1, 2026, 12:26 AM UTC.