Alaska earthquakes

M2.6 earthquake 203 km ESE of Chiniak, Alaska

A magnitude 2.6 earthquake struck 203 km ESE of Chiniak, Alaska on Wed, Aug 19, 2020, 7:38 AM AKDT (15:38 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.2 205 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: 2.6 (ml), micro
Local time: Wed, Aug 19, 2020, 7:38 AM AKDT
UTC: 2020-08-19 15:38:28 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.710° N, 149.353° 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 8.3 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 240°, poorly surrounded by stations
Stations used: 21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 36 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000beiv (also filed as ak020anxu904). Read Sat, Sep 26, 2026, 11:31 AM UTC.