Alaska earthquakes

M2.7 earthquake 275 km W of Adak, Alaska

A magnitude 2.7 earthquake struck 275 km W of Adak, Alaska on Thu, May 19, 2022, 11:10 AM GMT+12 (23:10 UTC), 194 km (121 mi) below the surface.

A larger quake followed: M6.3 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Thu, May 19, 2022, 11:10 AM GMT+12
UTC: 2022-05-18 23:10:01 UTC
Depth: 194.4 km (120.8 mi), intermediate-depth
Epicenter: 52.050° N, 179.366° E
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 8.8 km horizontally, 4.8 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 184°, poorly surrounded by stations
Stations used: 19

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 85 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000i3ft (also filed as ak0226clx0dl). Read Tue, Sep 29, 2026, 10:33 AM UTC.