Alaska earthquakes

M2.8 earthquake 238 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 238 km SE of Chiniak, Alaska on Wed, May 6, 2020, 8:10 PM AKDT (04:10 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M3.7 229 km SE of Chiniak, Alaska. This one was a foreshock.

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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: Wed, May 6, 2020, 8:10 PM AKDT
UTC: 2020-05-07 04:10:22 UTC
Depth: 22.2 km (13.8 mi), shallow
Epicenter: 56.027° N, 149.647° 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 8.5 km horizontally, 10.9 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 212°, poorly surrounded by stations
Stations used: 64

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 47 in the 60 days after this one and 28 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70009bs3 (also filed as ak0205vr8ja1). Read Sat, Sep 26, 2026, 2:09 PM UTC.