Alaska earthquakes

M2.5 earthquake 35 km NNE of Dutch Harbor, Alaska

A magnitude 2.5 earthquake struck 35 km NNE of Dutch Harbor, Alaska on Sun, Jun 17, 2018, 4:34 AM AKDT (12:34 UTC), 188 km (117 mi) below the surface.

A larger quake followed: M3.8 69 km NNE of Akutan, Alaska. This one was a foreshock.

Dutch Harbor 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: 2.5 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Sun, Jun 17, 2018, 4:34 AM AKDT
UTC: 2018-06-17 12:34:10 UTC
Depth: 187.9 km (116.8 mi), intermediate-depth
Epicenter: 54.200° N, 166.423° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.5	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed
2.5	ML, local (Richter)	Alaska Earthquake Center	Preliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 15.5 km horizontally, 7.7 km in depth
Depth from: From location
Station coverage gap: 178°
Stations used: 23

Nearest places

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

Dutch Harbor, AlaskaPopulation 4,376. Forecast35 kmNNE

Nearby

Within 100 km, magnitude 1.5 and up: 67 in the 60 days after this one and 33 in the 30 days before it.

After

The first 60 of 67.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000etz5 (also filed as ak19774176, ak0187q1mthv). Read Thu, Oct 1, 2026, 10:48 PM UTC.