Alaska earthquakes

M2.3 earthquake 99 km SSW of Sand Point, Alaska

A magnitude 2.3 earthquake struck 99 km SSW of Sand Point, Alaska on Tue, Aug 14, 2018, 12:48 PM AKDT (20:48 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.5 114 km S 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-08-14 20:48:02 UTC
Depth
15.5 km (9.6 mi), shallow
Epicenter
54.470° N, 160.860° 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
2.3ML, local (Richter)AACSEPreliminary

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
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 70 in the 60 days after this one and 63 in the 30 days before it.

After

The first 60 of 70.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ae3ne99 (also filed as ak20103327, aacse018ae3ne99). Read Thu, Oct 1, 2026, 5:17 AM UTC.