Alaska earthquakes

M3.1 earthquake 116 km ENE of Chignik, Alaska

A magnitude 3.1 earthquake struck 116 km ENE of Chignik, Alaska on Sat, Feb 27, 2021, 7:28 AM AKST (16:28 UTC), 73 km (45 mi) below the surface.

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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
3.1 (ml), minor
Local time
UTC
2021-02-27 16:28:13 UTC
Depth
72.6 km (45.1 mi), intermediate-depth
Epicenter
56.518° N, 156.557° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
158

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 31 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212o6v3f1 (also filed as us7000de6j). Read Sat, Sep 26, 2026, 6:35 PM UTC.