Alaska earthquakes

M1.8 earthquake 47 km W of Tatitlek, Alaska

A magnitude 1.8 earthquake struck 47 km W of Tatitlek, Alaska on Thu, Sep 27, 2018, 11:48 PM AKDT (07:48 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.3 45 km N of Valdez, Alaska. This one was a foreshock.

Valdez forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 1.8 (ml), micro
Local time: Thu, Sep 27, 2018, 11:48 PM AKDT
UTC: 2018-09-28 07:48:05 UTC
Depth: 8.9 km (5.5 mi), shallow
Epicenter: 60.872° N, 147.552° 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.

Stations used: 44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 140 in the 60 days after this one and 42 in the 30 days before it.

After

The first 60 of 140.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018cgb3dud (also filed as ak20266140). Read Wed, Sep 30, 2026, 10:24 PM UTC.