Alaska earthquakes

M4.0 earthquake 80 km S of Sand Point, Alaska

A magnitude 4.0 earthquake struck 80 km S of Sand Point, Alaska on Thu, Mar 28, 2019, 7:39 AM AKDT (15:39 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M4.4 105 km SSW 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: 4.0 (mb), light
Local time: Thu, Mar 28, 2019, 7:39 AM AKDT
UTC: 2019-03-28 15:39:57 UTC
Depth: 29.0 km (18.0 mi), shallow
Epicenter: 54.612° N, 160.549° 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 4.5 km horizontally, 6.5 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 160°
Stations used: 144

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast81 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 92 in the 60 days after this one and 46 in the 30 days before it.

After

The first 60 of 92.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000k6k9 (also filed as aacse019404x6b7, ak019404x6b7). Read Wed, Sep 30, 2026, 3:06 AM UTC.