Alaska earthquakes

M3.1 earthquake 53 km E of Chignik, Alaska

A magnitude 3.1 earthquake struck 53 km E of Chignik, Alaska on Tue, Apr 26, 2016, 2:17 AM AKDT (10:17 UTC), 72 km (44 mi) below the surface.

A larger quake followed: M4.1 31 km ENE of Port Heiden, 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
3.1 (ML, local (Richter)), minor
Magnitude from
Alaska Earthquake Center
Local time
UTC
2016-04-26 10:17:00 UTC
Depth
71.5 km (44.4 mi), intermediate-depth
Epicenter
56.373° N, 157.553° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
3.1ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
3.1ML, local (Richter)USGS National Earthquake Information CenterReviewed · 35 stations

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
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 65 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of 65.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0165dnxl2i (also filed as ak13514304, us10005dtv). Read Sun, Oct 4, 2026, 8:22 PM UTC.