Alaska earthquakes

M2.8 earthquake 258 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 258 km SE of Chiniak, Alaska on Fri, Jul 19, 2019, 7:35 PM AKDT (03:35 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.0 260 km ESE of Chiniak, Alaska. This one was a foreshock.

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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, Jul 19, 2019, 7:35 PM AKDT
UTC: 2019-07-20 03:35:21 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.343° N, 148.726° 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 8.0 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 245°, poorly surrounded by stations
Stations used: 28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 98 in the 60 days after this one and 97 in the 30 days before it.

After

The first 60 of 98.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600054e7 (also filed as aacse01998h0m3h, ak01998h0m3h). Read Wed, Sep 23, 2026, 1:06 PM UTC.