Alaska earthquakes

M2.8 earthquake 254 km ESE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 254 km ESE of Chiniak, Alaska on Sun, Apr 19, 2020, 11:05 AM AKDT (19:05 UTC), 21 km (13 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: Sun, Apr 19, 2020, 11:05 AM AKDT
UTC: 2020-04-19 19:05:32 UTC
Depth: 20.9 km (13.0 mi), shallow
Epicenter: 56.466° N, 148.652° 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 10.1 km horizontally, 11.1 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 232°, poorly surrounded by stations
Stations used: 23

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 22 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70009dvz (also filed as ak020528gpqw). Read Mon, Sep 28, 2026, 5:34 PM UTC.