Alaska earthquakes

M4.9 earthquake 89 km SE of False Pass, Alaska

A magnitude 4.9 earthquake struck 89 km SE of False Pass, Alaska on Fri, Apr 10, 2026, 4:50 AM AKDT (12:50 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M5.1 93 km S of King Cove, Alaska. This one was a foreshock.

King Cove 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: 4.9 (mww), light
Local time: Fri, Apr 10, 2026, 4:50 AM AKDT
UTC: 2026-04-10 12:50:11 UTC
Depth: 26.7 km (16.6 mi), shallow
Epicenter: 54.221° N, 162.552° W
Region: Alaska
Strongest shaking: IV, light 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: IV, light shaking
Peak ground acceleration: 2.4% of gravity
Peak ground velocity: 1.2 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Reverse (thrust)
Moment magnitude: 4.9 Mww
Nodal plane 1: Strike 263°, dip 22°, rake 91°
Nodal plane 2: Strike 82°, dip 68°, rake 90°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.5 km horizontally, 3.9 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 148°
Stations used: 121

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast95 kmS

Nearby

Within 100 km, magnitude 1.9 and up: 102 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 102.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000snxe (also filed as aka2026haskss). Read Tue, Sep 29, 2026, 6:32 PM UTC.