Alaska earthquakes

M2.7 earthquake 16 km NW of Atka, Alaska

A magnitude 2.7 earthquake struck 16 km NW of Atka, Alaska on Sat, Jun 6, 2020, 2:45 PM HADT (23:45 UTC), 173 km (107 mi) below the surface.

A larger quake followed: M4.1 19 km SSE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Sat, Jun 6, 2020, 2:45 PM HADT
UTC: 2020-06-06 23:45:28 UTC
Depth: 172.8 km (107.4 mi), intermediate-depth
Epicenter: 52.299° N, 174.365° 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 12.1 km horizontally, 4.9 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 147°
Stations used: 13

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 36 in the 30 days before it.

After

The first 60 of 100.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000aadu (also filed as ak02079oviff). Read Wed, Sep 30, 2026, 5:12 AM UTC.