Alaska earthquakes

M2.8 earthquake 79 km W of Adak, Alaska

A magnitude 2.8 earthquake struck 79 km W of Adak, Alaska on Fri, May 1, 2020, 3:35 PM HADT (00:35 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.0 141 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.8 (ml), micro
Local time
UTC
2020-05-02 00:35:14 UTC
Depth
9.7 km (6.0 mi), shallow
Epicenter
51.825° N, 177.786° 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 2.0 km horizontally, 3.6 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
133°
Stations used
27

Nearby

Within 100 km, magnitude 1.5 and up: 184 in the 60 days after this one and 80 in the 30 days before it.

After

The first 60 of 184.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70009a18 (also filed as av62163176, ak0205nfb7wc). Read Tue, Sep 29, 2026, 6:39 PM UTC.