Alaska earthquakes

M2.3 earthquake 64 km SSE of Chignik, Alaska

A magnitude 2.3 earthquake struck 64 km SSE of Chignik, Alaska on Thu, Mar 12, 2026, 8:47 PM AKDT (04:47 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M3.3 129 km SE of Perryville, 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-03-13 04:47:47 UTC
Depth
27.8 km (17.3 mi), shallow
Epicenter
55.757° N, 158.024° 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 11.9 km horizontally, 6.1 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
234°, poorly surrounded by stations
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 51 in the 60 days after this one and 27 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026fascmb. Read Sun, Oct 4, 2026, 6:24 AM UTC.