Alaska earthquakes

M2.8 earthquake 79 km ENE of Atka, Alaska

A magnitude 2.8 earthquake struck 79 km ENE of Atka, Alaska on Thu, May 14, 2020, 7:46 AM HADT (16:46 UTC), 272 km (169 mi) below the surface.

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

Map

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Thu, May 14, 2020, 7:46 AM HADT
UTC: 2020-05-14 16:46:49 UTC
Depth: 271.7 km (168.8 mi), intermediate-depth
Epicenter: 52.399° N, 173.085° 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 11.5 km horizontally, 8.2 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 187°, poorly surrounded by stations
Stations used: 28

Nearby

Within 100 km, magnitude 1.5 and up: 59 in the 60 days after this one and 19 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000a1cc (also filed as ak02067jcw5o). Read Tue, Sep 29, 2026, 10:25 PM UTC.