Alaska earthquakes

M2.8 earthquake 243 km W of Adak, Alaska

A magnitude 2.8 earthquake struck 243 km W of Adak, Alaska on Fri, Apr 8, 2022, 7:31 PM GMT+12 (07:31 UTC), 199 km (123 mi) below the surface.

A larger quake followed: M3.8 192 km WNW of Adak, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Fri, Apr 8, 2022, 7:31 PM GMT+12
UTC: 2022-04-08 07:31:44 UTC
Depth: 198.7 km (123.5 mi), intermediate-depth
Epicenter: 52.000° N, 179.836° 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 9.3 km horizontally, 4.1 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 167°
Stations used: 31

Nearby

Within 100 km, magnitude 1.5 and up: 150 in the 60 days after this one and 63 in the 30 days before it.

After

The first 60 of 150.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000hcbf (also filed as ak0224i70s77). Read Tue, Sep 29, 2026, 1:41 AM UTC.