Alaska earthquakes

M3.0 earthquake 253 km W of Adak, Alaska

A magnitude 3.0 earthquake struck 253 km W of Adak, Alaska on Tue, May 2, 2023, 5:17 AM GMT+12 (17:17 UTC), 109 km (68 mi) below the surface.

A larger quake followed: M4.4 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.0 (ml), minor
Local time
UTC
2023-05-01 17:17:04 UTC
Depth
108.6 km (67.5 mi), intermediate-depth
Epicenter
51.803° N, 179.696° E
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 5.7 km horizontally, 4.8 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
105°
Stations used
12

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 55 in the 30 days before it.

After

The first 60 of 139.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k9ki (also filed as ak0235ke9121). Read Wed, Sep 30, 2026, 6:35 PM UTC.