Alaska earthquakes

M2.8 earthquake 223 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 223 km SE of Chiniak, Alaska on Wed, Mar 25, 2026, 12:05 AM AKDT (08:05 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.2 287 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: 2.8 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Wed, Mar 25, 2026, 12:05 AM AKDT
UTC: 2026-03-25 08:05:36 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.494° N, 149.220° 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.	Scale	Computed by	Notes
2.8	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.128 · 8 stations
3.3	ML, local (Richter)	Alaska Earthquake Center	Reviewed · ±0.2 · 12 stations

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 7.6 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.13
Depth from: Operator assigned
Station coverage gap: 243°, poorly surrounded by stations
Stations used: 12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 14 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000s7jn (also filed as aka2026fxyaeh). Read Fri, Oct 2, 2026, 10:14 AM UTC.