Alaska earthquakes

M2.8 earthquake 219 km S of Sand Point, Alaska

A magnitude 2.8 earthquake struck 219 km S of Sand Point, Alaska on Sun, Sep 6, 2020, 8:30 AM AKDT (16:30 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.9 144 km SSE of Sand Point, Alaska. This one was a foreshock.

Sand Point 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-09-06 16:30:22 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
53.366° N, 160.278° 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
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.148 · 6 stations
2.9ML, local (Richter)Alaska Earthquake CenterPreliminary

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 4.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
288°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 15 in the 30 days before it.

After

The first 60 of 181.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bq2h (also filed as ak020bhq26fo). Read Thu, Oct 1, 2026, 4:07 AM UTC.