Alaska earthquakes

M3.2 earthquake 230 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 230 km SE of Chiniak, Alaska on Sun, Mar 25, 2018, 10:13 PM AKDT (06:13 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M5.5 276 km ESE of Chiniak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 3.2 (ml), minor
Local time: Sun, Mar 25, 2018, 10:13 PM AKDT
UTC: 2018-03-26 06:13:59 UTC
Depth: 21.5 km (13.3 mi), shallow
Epicenter: 56.182° N, 149.555° 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 7.3 km horizontally, 9.8 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 167°
Stations used: 84

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 201.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000d967 (also filed as ak0183woc3rr, ak18773807). Read Sat, Sep 26, 2026, 9:09 PM UTC.