Alaska earthquakes

M3.5 earthquake 109 km WSW of Adak, Alaska

A magnitude 3.5 earthquake struck 109 km WSW of Adak, Alaska on Thu, Jun 9, 2022, 9:49 AM HADT (18:49 UTC), 61 km (38 mi) below the surface.

A larger quake followed: M4.7 22 km SSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 3.5 (ml), minor
Local time: Thu, Jun 9, 2022, 9:49 AM HADT
UTC: 2022-06-09 18:49:45 UTC
Depth: 60.9 km (37.9 mi), shallow
Epicenter: 51.460° N, 178.064° 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 5.1 km horizontally, 11.0 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 196°, poorly surrounded by stations
Stations used: 30

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 103 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 us6000i7le (also filed as ak0227cwzxik). Read Tue, Sep 29, 2026, 2:50 PM UTC.