Alaska earthquakes

M2.7 earthquake 45 km SW of Sand Point, Alaska

A magnitude 2.7 earthquake struck 45 km SW of Sand Point, Alaska on Tue, Aug 1, 2017, 8:56 PM AKDT (04:56 UTC), 51 km (32 mi) below the surface.

A larger quake followed: M3.9 97 km SE of King Cove, 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
2.7 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-08-02 04:56:51 UTC
Depth
51.4 km (31.9 mi), shallow
Epicenter
55.004° N, 160.899° 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
2.7ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.148 · 6 stations
2.6ML, 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, 6.7 km in depth
Magnitude uncertainty
±0.15
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 80 in the 60 days after this one and 29 in the 30 days before it.

After

The first 60 of 80.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000aac6 (also filed as ak0179tzq44w, ak16400600). Read Thu, Oct 1, 2026, 11:22 PM UTC.