Alaska earthquakes

M2.8 earthquake 108 km SSE of Sand Point, Alaska

A magnitude 2.8 earthquake struck 108 km SSE of Sand Point, Alaska on Tue, May 4, 2021, 11:43 AM AKDT (19:43 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.2 108 km SE of King Cove, 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.

Open the live map with earthquakes

The earthquake

Magnitude: 2.8 (ml), micro
Local time: Tue, May 4, 2021, 11:43 AM AKDT
UTC: 2021-05-04 19:43:45 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 54.423° N, 159.903° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

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 1.7 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.12
Depth from: Operator assigned
Station coverage gap: 250°, poorly surrounded by stations
Stations used: 16

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast109 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 60 in the 60 days after this one and 139 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 us7000e97p (also filed as ak0215pe7l5f). Read Wed, Sep 23, 2026, 6:29 PM UTC.