Alaska earthquakes

M2.7 earthquake 259 km ESE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 259 km ESE of Chiniak, Alaska on Sat, Mar 12, 2022, 11:59 AM AKST (20:59 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M3.7 255 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: Sat, Mar 12, 2022, 11:59 AM AKST
UTC: 2022-03-12 20:59:23 UTC
Depth: 22.4 km (13.9 mi), shallow
Epicenter: 56.582° N, 148.447° 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 8.5 km horizontally, 11.4 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 248°, poorly surrounded by stations
Stations used: 26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 20 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000h2e8 (also filed as ak02239rf0e6). Read Mon, Sep 28, 2026, 11:01 PM UTC.