Alaska earthquakes

M2.6 earthquake 195 km SE of Chiniak, Alaska

A magnitude 2.6 earthquake struck 195 km SE of Chiniak, Alaska on Sun, Mar 25, 2018, 6:18 AM AKDT (14:18 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.4 252 km ESE 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: 2.6 (ml), micro
Local time: Sun, Mar 25, 2018, 6:18 AM AKDT
UTC: 2018-03-25 14:18:02 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.331° N, 150.081° 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 3.8 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.09
Depth from: Operator assigned
Station coverage gap: 216°, poorly surrounded by stations
Stations used: 24

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 us1000dcgr (also filed as ak18902344, ak0183v5l3cf). Read Fri, Sep 25, 2026, 10:40 PM UTC.