Alaska earthquakes

M3.0 earthquake 94 km W of Adak, Alaska

A magnitude 3.0 earthquake struck 94 km W of Adak, Alaska on Sat, Apr 16, 2022, 4:35 AM HADT (13:35 UTC), 115 km (72 mi) below the surface.

A larger quake followed: M5.0 129 km WSW of Adak, 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: 3.0 (ml), minor
Local time: Sat, Apr 16, 2022, 4:35 AM HADT
UTC: 2022-04-16 13:35:10 UTC
Depth: 115.2 km (71.6 mi), intermediate-depth
Epicenter: 51.819° N, 178.006° 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 12.0 km horizontally, 3.6 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 129°
Stations used: 26

Nearby

Within 100 km, magnitude 1.5 and up: 182 in the 60 days after this one and 118 in the 30 days before it.

After

The first 60 of 182.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000hfce (also filed as ak0224viwy3d). Read Tue, Sep 29, 2026, 3:56 AM UTC.