Alaska earthquakes

M3.6 earthquake 68 km SSW of Sand Point, Alaska

A magnitude 3.6 earthquake struck 68 km SSW of Sand Point, Alaska on Tue, Jul 21, 2020, 11:19 PM AKDT (07:19 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.1 75 km SW 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: 3.6 (ml), minor
Local time: Tue, Jul 21, 2020, 11:19 PM AKDT
UTC: 2020-07-22 07:19:44 UTC
Depth: 10.1 km (6.3 mi), shallow
Epicenter: 54.748° N, 160.789° 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 8.0 km horizontally, 2.8 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 155°
Stations used: 23

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast68 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and 63 in the 30 days before it.

After

The first 60 of at least 202.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000b5y2 (also filed as ak0209dhx0ap). Read Tue, Sep 29, 2026, 12:09 PM UTC.