Alaska earthquakes

M3.8 earthquake 42 km S of Unalaska, Alaska

A magnitude 3.8 earthquake struck 42 km S of Unalaska, Alaska on Tue, Jul 14, 2026, 6:56 AM AKDT (14:56 UTC), 81 km (50 mi) below the surface.

A larger quake followed: M4.3 70 km SSE of Akutan, 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: 3.8 (mb), minor
Local time: Tue, Jul 14, 2026, 6:56 AM AKDT
UTC: 2026-07-14 14:56:44 UTC
Depth: 81.0 km (50.4 mi), intermediate-depth
Epicenter: 53.496° N, 166.497° W
Region: Alaska
Felt reports: 1
Strongest shaking: III, weak shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: III, weak shaking
Peak ground acceleration: 0.3% of gravity
Peak ground velocity: 0.1 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 7.2 km horizontally, 7.2 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 155°
Stations used: 27

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast42 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 97 in the 30 days before it.

After

The first 60 of 196.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000t0cb (also filed as aka2026nvmdud). Read Tue, Sep 29, 2026, 9:03 AM UTC.