Alaska earthquakes

M2.7 earthquake 225 km SE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 225 km SE of Chiniak, Alaska on Fri, Jul 17, 2020, 10:25 AM AKDT (18:25 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M4.1 212 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: 2.7 (ml), micro
Local time: Fri, Jul 17, 2020, 10:25 AM AKDT
UTC: 2020-07-17 18:25:40 UTC
Depth: 19.0 km (11.8 mi), shallow
Epicenter: 56.067° N, 149.888° 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 12.3 km horizontally, 11.5 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 256°, poorly surrounded by stations
Stations used: 33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 56 in the 60 days after this one and 29 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000b7b8 (also filed as ak02095etgop). Read Fri, Sep 25, 2026, 9:12 PM UTC.