Alaska earthquakes

M3.5 earthquake 69 km SW of Nikolski, Alaska

A magnitude 3.5 earthquake struck 69 km SW of Nikolski, Alaska on Tue, Apr 14, 2026, 7:30 PM AKDT (03:30 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.3 167 km SW of Nikolski, 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: 3.5 (ML, local (Richter)), minor
Magnitude from: USGS National Earthquake Information Center
Local time: Tue, Apr 14, 2026, 7:30 PM AKDT
UTC: 2026-04-15 03:30:26 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 52.478° N, 169.548° W
Region: Alaska
Strongest shaking: II, weak shaking
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
3.5	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.081 · 20 stations
3.6	ML, local (Richter)	Alaska Earthquake Center	Reviewed · ±0.1 · 24 stations

Shaking

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

Strongest estimated: II, weak shaking
Peak ground acceleration: 0.1% of gravity
Peak ground velocity: 0.0 cm/s
Map: Automatic

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

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 4.4 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.08
Depth from: Operator assigned
Station coverage gap: 211°, poorly surrounded by stations
Stations used: 26

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast254 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 122 in the 60 days after this one and 95 in the 30 days before it.

After

The first 60 of 122.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000sr9v (also filed as aka2026hjemvt). Read Sat, Oct 3, 2026, 1:45 PM UTC.