Alaska earthquakes

M3.0 earthquake 219 km SE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 219 km SE of Chiniak, Alaska on Tue, May 8, 2018, 11:58 PM AKDT (07:58 UTC), 24 km (15 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, 11:58 PM AKDT
UTC: 2018-05-09 07:58:01 UTC
Depth: 23.5 km (14.6 mi), shallow
Epicenter: 56.097° N, 149.968° 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 7.6 km horizontally, 9.1 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 211°, 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 us1000e4ct (also filed as ak19500291, ak0185xgu8ts). Read Sun, Sep 27, 2026, 12:43 AM UTC.