Alaska earthquakes

M2.8 earthquake 37 km W of Atka, Alaska

A magnitude 2.8 earthquake struck 37 km W of Atka, Alaska on Tue, Mar 10, 2020, 1:09 PM HADT (22:09 UTC), 85 km (53 mi) below the surface.

A larger quake followed: M4.8 117 km SSW of Atka, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Tue, Mar 10, 2020, 1:09 PM HADT
UTC: 2020-03-10 22:09:19 UTC
Depth: 85.1 km (52.9 mi), intermediate-depth
Epicenter: 52.160° N, 174.749° 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, 5.1 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 179°
Stations used: 25

Nearby

Within 100 km, magnitude 1.5 and up: 88 in the 60 days after this one and 51 in the 30 days before it.

After

The first 60 of 88.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70008m8x (also filed as ak020384rt0p). Read Wed, Sep 30, 2026, 3:35 PM UTC.