Alaska earthquakes

M1.7 earthquake 48 km NW of Tatitlek, Alaska

A magnitude 1.7 earthquake struck 48 km NW of Tatitlek, Alaska on Fri, Aug 17, 2018, 6:46 PM AKDT (02:46 UTC), 5 km (3 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

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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: 1.7 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Fri, Aug 17, 2018, 6:46 PM AKDT
UTC: 2018-08-18 02:46:52 UTC
Depth: 4.6 km (2.9 mi), shallow
Epicenter: 61.154° N, 147.338° 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: 40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 49 in the 30 days before it.

After

The first 60 of 117.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018akf2nr2 (also filed as ak20109994). Read Thu, Oct 1, 2026, 10:39 AM UTC.