Alaska earthquakes

M1.5 earthquake Alaska Peninsula

A magnitude 1.5 earthquake struck in the Alaska Peninsula on Sun, Apr 9, 2017, 1:40 AM AKDT (09:40 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.0 122 km SSE of Ugashik, Alaska. This one was a foreshock.

Naknek 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: Sun, Apr 9, 2017, 1:40 AM AKDT
UTC: 2017-04-09 09:40:56 UTC
Depth: 9.8 km (6.1 mi), shallow
Epicenter: 57.183° N, 157.405° 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: 10

Nearest places

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

Naknek, AlaskaPopulation 544. Forecast173 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 76 in the 30 days before it.

After

The first 60 of 72.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0174jvsybb (also filed as ak15743896). Read Sun, Oct 4, 2026, 12:44 PM UTC.