Alaska earthquakes

M2.6 earthquake 269 km W of Adak, Alaska

A magnitude 2.6 earthquake struck 269 km W of Adak, Alaska on Tue, Mar 3, 2020, 7:59 PM GMT+12 (07:59 UTC), 165 km (102 mi) below the surface.

A larger quake followed: M4.7 251 km W of Adak, Alaska. This one was a foreshock.

Map

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The earthquake

Magnitude: 2.6 (ml), micro
Local time: Tue, Mar 3, 2020, 7:59 PM GMT+12
UTC: 2020-03-03 07:59:13 UTC
Depth: 164.7 km (102.3 mi), intermediate-depth
Epicenter: 51.928° N, 179.449° 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 10.6 km horizontally, 10.0 km in depth
Depth from: From location
Station coverage gap: 176°
Stations used: 15

Nearby

Within 100 km, magnitude 1.5 and up: 77 in the 60 days after this one and 39 in the 30 days before it.

After

The first 60 of 77.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60008er1 (also filed as ak0202wbdkpe). Read Wed, Sep 30, 2026, 4:46 PM UTC.