Alaska earthquakes

M1.6 earthquake 30 km WNW of Valdez, Alaska

A magnitude 1.6 earthquake struck 30 km WNW of Valdez, Alaska on Sun, Oct 21, 2018, 4:19 PM AKDT (00:19 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M3.8 49 km SSE of Nelchina, 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: 1.6 (ml), micro
Local time: Sun, Oct 21, 2018, 4:19 PM AKDT
UTC: 2018-10-22 00:19:32 UTC
Depth: 0.8 km (0.5 mi), shallow
Epicenter: 61.275° N, 146.838° 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: 28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 116 in the 60 days after this one and 73 in the 30 days before it.

After

The first 60 of 116.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018djvnirp (also filed as ak20288572). Read Wed, Sep 30, 2026, 4:07 PM UTC.