Alaska earthquakes

M2.3 earthquake 8 km NW of Sterling, Alaska

A magnitude 2.3 earthquake struck 8 km NW of Sterling, Alaska on Tue, Aug 4, 2020, 6:56 PM AKDT (02:56 UTC), 46 km (29 mi) below the surface.

A larger quake followed: M3.6 18 km WNW of Cohoe, Alaska. This one was a foreshock.

Sterling forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-08-05 02:56:44 UTC
Depth
46.4 km (28.8 mi), shallow
Epicenter
60.596° N, 150.876° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.3ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.5ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.035 · 108 stations

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
65

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 89 in the 30 days before it.

After

The first 60 of 180.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020a0komd0 (also filed as us6000b9ie). Read Fri, Oct 2, 2026, 12:04 PM UTC.