Alaska earthquakes

M2.6 earthquake 217 km SE of Chiniak, Alaska

A magnitude 2.6 earthquake struck 217 km SE of Chiniak, Alaska on Wed, May 9, 2018, 1:46 AM AKDT (09:46 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.8 224 km SE of Chiniak, Alaska. This one was a foreshock.

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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: Wed, May 9, 2018, 1:46 AM AKDT
UTC: 2018-05-09 09:46:08 UTC
Depth: 26.0 km (16.1 mi), shallow
Epicenter: 56.110° N, 150.000° 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 10.6 km horizontally, 18.1 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 241°, poorly surrounded by stations
Stations used: 33

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 us1000e4cw (also filed as ak19500301, ak0185xhyjw6). Read Sat, Sep 26, 2026, 6:04 PM UTC.