Alaska earthquakes

M3.7 earthquake 7 km SW of Sand Point, Alaska

A magnitude 3.7 earthquake struck 7 km SW of Sand Point, Alaska on Thu, Aug 20, 2026, 6:46 AM AKDT (14:46 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.1 88 km SSE 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: 3.7 (ml), minor
Local time: Thu, Aug 20, 2026, 6:46 AM AKDT
UTC: 2026-08-20 14:46:39 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.291° N, 160.599° 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: 1.2% of gravity
Peak ground velocity: 0.3 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 2.7 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 191°, poorly surrounded by stations
Stations used: 24

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast8 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 60 since this one and 83 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tm46 (also filed as aka2026qlupzl). Read Wed, Sep 30, 2026, 4:51 AM UTC.