Alaska earthquakes

M2.8 earthquake 24 km NE of Adak, Alaska

A magnitude 2.8 earthquake struck 24 km NE of Adak, Alaska on Sat, Mar 25, 2023, 10:24 AM HADT (19:24 UTC), 120 km (75 mi) below the surface.

A larger quake followed: M4.7 81 km NE 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: Sat, Mar 25, 2023, 10:24 AM HADT
UTC: 2023-03-25 19:24:31 UTC
Depth: 120.5 km (74.8 mi), intermediate-depth
Epicenter: 52.049° N, 176.415° 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 8.4 km horizontally, 5.3 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 174°
Stations used: 12

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 54 in the 30 days before it.

After

The first 60 of 179.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k0zy (also filed as ak0233v8llo7). Read Wed, Sep 30, 2026, 7:34 PM UTC.