Alaska earthquakes

M3.9 earthquake 92 km SSE of Sand Point, Alaska

A magnitude 3.9 earthquake struck 92 km SSE of Sand Point, Alaska on Fri, May 29, 2026, 5:56 AM AKDT (13:56 UTC), 41 km (25 mi) below the surface.

A larger quake followed: M4.0 46 km S of Sand Point, Alaska. This one was a foreshock.

Sand Point 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: 3.9 (mwr), minor
Local time: Fri, May 29, 2026, 5:56 AM AKDT
UTC: 2026-05-29 13:56:57 UTC
Depth: 40.9 km (25.4 mi), shallow
Epicenter: 54.540° N, 160.062° W
Region: Alaska
Strongest shaking: II, 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: II, weak shaking
Peak ground acceleration: 0.2% 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?

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: Strike-slip
Moment magnitude: 3.9 Mwr
Nodal plane 1: Strike 77°, dip 54°, rake -26°
Nodal plane 2: Strike 183°, dip 69°, rake -141°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.0 km horizontally, 6.7 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 163°
Stations used: 36

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast93 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 138 in the 60 days after this one and 42 in the 30 days before it.

After

The first 60 of 138.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000spb0 (also filed as aka2026koldti). Read Wed, Sep 30, 2026, 5:54 AM UTC.