Alaska earthquakes

M4.6 earthquake 85 km SSE of False Pass, Alaska

A magnitude 4.6 earthquake struck 85 km SSE of False Pass, Alaska on Sun, May 3, 2026, 11:20 AM AKDT (19:20 UTC), 41 km (26 mi) below the surface.

A larger quake followed: M4.7 84 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: 4.6 (mwr), light
Local time: Sun, May 3, 2026, 11:20 AM AKDT
UTC: 2026-05-03 19:20:09 UTC
Depth: 41.3 km (25.6 mi), shallow
Epicenter: 54.151° N, 162.895° W
Region: Alaska
Felt reports: 2
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: 1.6% of gravity
Peak ground velocity: 0.8 cm/s
Map: Automatic

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

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

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: 4.6 Mwr
Nodal plane 1: Strike 232°, dip 7°, rake 91°
Nodal plane 2: Strike 51°, dip 83°, rake 90°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.6 km horizontally, 6.2 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 151°
Stations used: 86

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast108 kmSSW

Nearby

Within 100 km, magnitude 1.6 and up: 125 in the 60 days after this one and 75 in the 30 days before it.

After

The first 60 of 125.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000si08 (also filed as aka2026isvjfu). Read Tue, Sep 29, 2026, 4:31 PM UTC.