Alaska earthquakes

M1.7 earthquake 59 km WSW of Nelson Lagoon, Alaska

A magnitude 1.7 earthquake struck 59 km WSW of Nelson Lagoon, Alaska on Thu, Jul 23, 2020, 12:50 PM AKDT (20:50 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.3 21 km ENE of Cold Bay, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (ml), micro
Local time
UTC
2020-07-23 20:50:46 UTC
Depth
2.5 km (1.6 mi), shallow
Epicenter
55.766° N, 162.069° 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.

Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 15 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0209fddmps. Read Mon, Sep 28, 2026, 7:33 PM UTC.