Alaska earthquakes

M1.8 earthquake 35 km S of Akutan, Alaska

A magnitude 1.8 earthquake struck 35 km S of Akutan, Alaska on Thu, Aug 3, 2017, 4:45 AM AKDT (12:45 UTC), 85 km (53 mi) below the surface.

A larger quake followed: M4.3 120 km SSE of Unalaska, Alaska. This one was a foreshock.

Akutan 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, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Thu, Aug 3, 2017, 4:45 AM AKDT
UTC: 2017-08-03 12:45:12 UTC
Depth: 85.3 km (53.0 mi), intermediate-depth
Epicenter: 53.814° N, 165.764° 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: 25

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast36 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 120 in the 60 days after this one and 50 in the 30 days before it.

After

The first 60 of 120.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0179vryhmt (also filed as ak16605323). Read Thu, Oct 1, 2026, 11:35 PM UTC.