Alaska earthquakes

M2.8 earthquake 202 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 202 km SE of Chiniak, Alaska on Mon, Mar 18, 2019, 1:50 AM AKDT (09:50 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.4 270 km SE 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: Mon, Mar 18, 2019, 1:50 AM AKDT
UTC: 2019-03-18 09:50:08 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.225° N, 150.137° 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 8.1 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 254°, poorly surrounded by stations
Stations used: 20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 39 in the 30 days before it.

After

The first 60 of 160.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us700038lu (also filed as aacse0193ji1d7o, ak0193ji1d7o). Read Tue, Sep 22, 2026, 7:42 PM UTC.