Alaska earthquakes

M4.2 earthquake 46 km S of Sand Point, Alaska

A magnitude 4.2 earthquake struck 46 km S of Sand Point, Alaska on Fri, Aug 14, 2020, 11:34 PM AKDT (07:34 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.9 68 km SE 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: 4.2 (mb), light
Local time: Fri, Aug 14, 2020, 11:34 PM AKDT
UTC: 2020-08-15 07:34:09 UTC
Depth: 33.3 km (20.7 mi), shallow
Epicenter: 54.925° N, 160.392° 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 3.4 km horizontally, 6.7 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 153°
Stations used: 159

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast46 kmS

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000bf3r (also filed as ak020ah6wgwi). Read Sun, Sep 27, 2026, 12:45 PM UTC.