Alaska earthquakes

M2.8 earthquake 99 km W of Adak, Alaska

A magnitude 2.8 earthquake struck 99 km W of Adak, Alaska on Sun, May 14, 2023, 12:53 AM HADT (09:53 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M5.3 135 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: 2.8 (ml), micro
Local time: Sun, May 14, 2023, 12:53 AM HADT
UTC: 2023-05-14 09:53:01 UTC
Depth: 9.3 km (5.8 mi), shallow
Epicenter: 51.901° N, 178.075° 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 3.5 km horizontally, 6.5 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 142°
Stations used: 32

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 162 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kcut (also filed as ak02365rorot). Read Wed, Sep 30, 2026, 3:29 PM UTC.