Alaska earthquakes

M3.6 earthquake 37 km SW of Unalaska, Alaska

A magnitude 3.6 earthquake struck 37 km SW of Unalaska, Alaska on Mon, Jul 14, 2025, 11:34 PM AKDT (07:34 UTC), 100 km (62 mi) below the surface.

A larger quake followed: M5.3 23 km N of Dutch Harbor, Alaska. This one was a foreshock.

Unalaska 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: 3.6 (ml), minor
Local time: Mon, Jul 14, 2025, 11:34 PM AKDT
UTC: 2025-07-15 07:34:57 UTC
Depth: 100.2 km (62.3 mi), intermediate-depth
Epicenter: 53.660° N, 166.981° 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.

Location uncertainty: About 5.7 km horizontally, 6.0 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 167°
Stations used: 38

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast38 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 57 in the 30 days before it.

After

The first 60 of 100.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000qv68 (also filed as ak025909pgue). Read Wed, Sep 30, 2026, 4:34 AM UTC.