Alaska earthquakes

M2.1 earthquake 229 km W of Adak, Alaska

A magnitude 2.1 earthquake struck 229 km W of Adak, Alaska on Fri, Jun 16, 2023, 5:23 AM HADT (14:23 UTC), 157 km (97 mi) below the surface.

A larger quake followed: M4.3 289 km W of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.1 (ml), micro
Local time
UTC
2023-06-16 14:23:50 UTC
Depth
156.6 km (97.3 mi), intermediate-depth
Epicenter
52.033° N, 179.964° 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.

Stations used
34

Nearby

Within 100 km, magnitude 1.5 and up: 138 in the 60 days after this one and 59 in the 30 days before it.

After

The first 60 of 138.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0237of82b2. Read Wed, Sep 30, 2026, 5:37 PM UTC.