Alaska earthquakes

M3.8 earthquake 76 km ESE of Sand Point, Alaska

A magnitude 3.8 earthquake struck 76 km ESE of Sand Point, Alaska on Thu, Oct 27, 2022, 1:05 PM AKDT (21:05 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.2 107 km SE 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
3.8 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-10-27 21:05:02 UTC
Depth
9.5 km (5.9 mi), shallow
Epicenter
55.089° N, 159.383° 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
3.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.069 · 28 stations
3.4ML, 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 2.1 km horizontally, 8.7 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
170°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 127 in the 60 days after this one and 102 in the 30 days before it.

After

The first 60 of 127.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ip70 (also filed as ak022dshratn). Read Thu, Oct 1, 2026, 7:42 AM UTC.