Alaska earthquakes

M3.0 earthquake 232 km SE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 232 km SE of Chiniak, Alaska on Tue, May 8, 2018, 11:46 PM AKDT (07:46 UTC), 9 km (6 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: 3.0 (ml), minor
Local time: Tue, May 8, 2018, 11:46 PM AKDT
UTC: 2018-05-09 07:46:18 UTC
Depth: 9.4 km (5.9 mi), shallow
Epicenter: 55.976° N, 149.916° 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 5.2 km horizontally, 7.5 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 200°, poorly surrounded by stations
Stations used: 36

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 us1000e1da (also filed as ak0185xgrpog, ak19384302). Read Sat, Sep 26, 2026, 10:39 PM UTC.