Alaska earthquakes

M1.5 earthquake Central Alaska

A magnitude 1.5 earthquake struck in Central Alaska on Thu, Aug 9, 2018, 9:56 AM AKDT (17:56 UTC), 125 km (78 mi) below the surface.

A larger quake followed: M3.7 34 km W of Cantwell, Alaska. This one was a foreshock.

Healy 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: 1.5 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Thu, Aug 9, 2018, 9:56 AM AKDT
UTC: 2018-08-09 17:56:20 UTC
Depth: 125.0 km (77.7 mi), intermediate-depth
Epicenter: 63.295° N, 150.462° 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: 184 in the 60 days after this one and 99 in the 30 days before it.

After

The first 60 of 184.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018a5s8448 (also filed as ak20042483). Read Thu, Oct 1, 2026, 10:58 PM UTC.