Alaska earthquakes

M2.8 earthquake 276 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 276 km SE of Chiniak, Alaska on Fri, Apr 17, 2020, 8:36 PM AKDT (04:36 UTC), 10 km (6 mi) below the surface.

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

Kodiak forecast More in Alaska

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: Fri, Apr 17, 2020, 8:36 PM AKDT
UTC: 2020-04-18 04:36:55 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.714° N, 149.369° 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 5.7 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 244°, poorly surrounded by stations
Stations used: 17

Nearest places

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

Kodiak, AlaskaPopulation 6,253. Forecast296 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 16 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 us70009c3m (also filed as ak02050c6end). Read Thu, Sep 24, 2026, 2:18 PM UTC.