Alaska earthquakes

M2.7 earthquake 236 km SE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 236 km SE of Chiniak, Alaska on Thu, Mar 19, 2020, 3:00 AM AKDT (11:00 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M4.2 259 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
UTC
2020-03-19 11:00:32 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
55.882° N, 150.037° 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 9.4 km horizontally, 9.1 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
252°, 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: 44 in the 60 days after this one and 23 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70008cd0 (also filed as ak0203mu0b6s). Read Sun, Sep 27, 2026, 6:44 AM UTC.